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Hokkaido HCKU 1066 X4 Series Service manual

Manual is about: Multi Liberty DC Inverter

Summary of HCKU 1066 X4 Series

  • Page 1

    Service manual (07/2011 - va1) air conditioners dual outdoor units: hcku 406 x2 hcku 536 x2 triple outdoor units: hcku 606 x3 hcku 806 x3 poker outdoor units: hcku 706 x4 hcku 816 x4 hcku 1066 x4 60 x 60 cassette type indoor units: htfu 206 x htfu 266 x htfu 356 x htfu 536 x floor/ceiling type indoo...

  • Page 2

    - table of contents - dual, triple, poker dc inverter : table of contents multi liberty dc inverter table of contents 1. General information ..............................................................................................Gi-2 1.1 guidelines to consultation & warnings .....................

  • Page 3

    Gi-1 section 1: general information dual, triple, poker dc inverter : 1. General information multi liberty dc inverter table of contents 1. General information ...........................................................................................................Ig-2 1.1 guidelines to consultati...

  • Page 4

    Gi-2 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter this manual describes operation, installation and procedures for solving operation malfunctions of air conditioners “multi liberty dc inverter” with indoor units highwall, 60 x 60 cassette, console, floor/ceilin...

  • Page 5

    Gi-3 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter 1.2 essential features of these models â ozone friendly r410a refrigerant r410a refrigerant does not damage ozone at all (odp=0), thus reducing the environmental impact of system. â advanced control for malfunct...

  • Page 6

    Gi-4 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter blackout. This means that there is no need to use the ir remote control. However, if “timer” operation had been previously selected, it will be cancelled and need to be set again. “sleep” function on highwall mo...

  • Page 7

    Gi-5 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter the profile of fan’s moving part allows to reduce the disturbance phenomena during air circulation inside outdoor unit. The 4-way valve coil is powered during operation in heating mode only. The special fins on ...

  • Page 8

    Gi-6 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter outline of available functions & features of “multi liberty dc inverter” units wide range of error codes that can be shown on lighted display of indoor unit (hkeu x models only). Indoor units on/off by ir remote...

  • Page 9

    Gi-7 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter min. Interval between on/off cycles of compressor is of 3 minutes. Outdoor units timed on/off of compressor for reducing noise level of outdoor fan, the shape of fan wheel has been expressly redrawn. Outdoor fan...

  • Page 10

    Gi-8 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter 1.3 model range of units indoor units kw highwall 60x60 cassette console floor / ceilin g low ducted type 2,00 hkeu 206 x htfu 206 x hrbu 206 x 2,60 hkeu 266 x htfu 266 x hfiu 266 x hrbu 266 x 3,50 hkeu 356 x ht...

  • Page 11

    Gi-9 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter 1.4 tables of combinations between indoor & outdoor units combinations of indoor units with outdoor unit hcku 406 x2 combinations of indoor units with outdoor unit hcku 536 x2 1 i.U. 206 206 + 206 266 + 266 206 ...

  • Page 12

    Gi-10 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter combinations of indoor units with outdoor unit hcku 706 x4 206 + 206 + 206 206 + 266 + 266 206 + 206 + 266 206 + 206 + 356 206 + 266 + 356 206 + 356 + 356 266 + 266 + 266 266 + 266 + 356 266 + 356 + 356 206 + 2...

  • Page 13

    Gi-11 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter combinations of indoor units with outdoor unit hcku 1066 x4 206 + 206 + 206 206 + 266 + 266 206 + 206 + 266 206 + 206 + 356 206 + 266 + 536 206 + 536 + 536 266 + 356 + 536 266 + 536 + 536 356 + 356 + 356 206 + ...

  • Page 14

    Gi-12 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter 1.5 capacity tables for combinations with i.U. Hkeu, htfu, hfiu combinations nominal capacity (kw) rated capacity (kw) power consumption (kw) annual consumption (kwh) [500h/year] eer (w/w) energy class unit a u...

  • Page 15

    Gi-13 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter unit a unit b unit a unit b min. Std. Max min. Std. Max (1x1) 206 — 2,45 — 1,30 2,45 3,16 0,37 0,67 0,87 333 3,68 a 266 — 2,98 — 1,52 2,98 3,90 0,45 0,79 1,06 395 3,77 a 356 — 3,95 — 1,98 3,95 4,98 0,60 1,05 1,...

  • Page 16

    Gi-14 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter unit a unit b unit c unit a unit b unit c min. Std. Max min. Std. Max (1x2) 266 266 — 3,00 3,00 — 2,52 5,96 7,38 0,67 1,60 2,24 801 3,72 a 266 356 — 2,89 3,56 — 2,71 6,41 7,93 0,71 1,71 2,38 854 3,76 a 266 536 ...

  • Page 17

    Gi-15 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter unit a unit b unit c unit a unit b unit c min. Std. Max min. Std. Max (1x1) 206 — — 2,45 — — 1,47 2,44 3,14 0,46 0,67 0,90 336 3,62 a 266 — — 2,96 — — 1,78 2,94 3,79 0,56 0,82 1,09 408 3,61 a 356 — — 3,75 — — 2...

  • Page 18

    Gi-16 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter unit a unit b unit c unit d unit a unit b unit c unit d min. Std. Max min. Std. Max (1x3) 266 266 266 — 2,33 2,33 2,33 — 2,93 6,95 8,52 0,87 1,97 2,94 984 3,53 a 266 266 356 — 2,24 2,24 2,76 — 3,05 7,22 8,85 0,...

  • Page 19

    Gi-17 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter unit a unit b unit c unit d unit a unit b unit c unit d min. Std. Max min. Std. Max (1x4) 206 206 206 356 2,04 2,04 2,04 3,26 3,85 9,36 11,44 1,04 2,41 3,47 1205 3,88 a 206 206 266 266 2,04 2,04 2,65 2,65 3,85 ...

  • Page 20

    Gi-18 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter unit a unit b unit c unit d unit a unit b unit c unit d min. Std. Max min. Std. Max (1x4) 206 206 356 356 1,73 1,73 2,78 2,78 3,70 9,23 11,00 1,11 2,79 3,75 1397 3,30 a 206 266 266 266 1,83 2,38 2,38 2,38 3,67 ...

  • Page 21

    Gi-19 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter unit a unit b unit c unit d unit a unit b unit c unit d min. Std. Max min. Std. Max (1x4) 206 206 206 356 2,04 2,04 2,04 3,26 3,85 9,60 11,44 1,04 2,58 3,47 1288 3,73 a 206 206 206 536 1,79 1,79 1,79 4,75 4,15 ...

  • Page 22

    Gi-20 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter unit a unit b unit c unit d unit a unit b unit c unit d min. Std. Max min. Std. Max (1x4) 206 206 206 206 2,04 2,04 2,04 2,04 3,34 8,23 9,78 1,11 2,57 3,23 1285 3,20 a 206 206 206 266 1,90 1,90 1,90 2,46 3,34 8...

  • Page 23

    Gi-21 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter unit a unit b unit c unit d unit a unit b unit c unit d min. Std. Max min. Std. Max (1x2) 266 536 — — 2,90 5,92 — — 3,70 9,30 10,85 0,99 2,37 3,09 1184 3,93 a 356 356 — — 3,61 3,61 — — 3,03 7,61 8,88 0,97 2,33 ...

  • Page 24

    Gi-22 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter 1.6 capacity tables for combinations with i.U. Hsfu, hrbu unit a unit b unit a unit b min. Std. Max min. Std. Max (1x1) 206 — 2,30 — 1,54 2,27 2,92 0,53 0,74 0,97 370 3,07 b 266 — 2,78 — 1,75 2,75 3,56 0,62 0,9...

  • Page 25

    Gi-23 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter unit a unit b unit a unit b min. Std. Max min. Std. Max (1x1) 206 — 2,45 — 1,30 2,45 3,16 0,37 0,67 0,87 333 3,68 a 266 — 2,98 — 1,52 2,98 3,90 0,45 0,79 1,06 395 3,77 a 356 — 3,95 — 1,98 3,95 4,98 0,60 1,05 1,...

  • Page 26

    Gi-24 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter unit a unit b unit c unit a unit b unit c min. Std. Max min. Std. Max (1x2) 266 356 — 2,89 3,56 — 2,71 6,41 7,93 0,71 1,71 2,38 854 3,76 a 266 536 — 2,42 4,94 — 3,09 7,32 8,98 0,83 1,97 2,75 987 3,71 a 356 356 ...

  • Page 27

    Gi-25 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter unit a unit b unit c unit a unit b unit c min. Std. Max min. Std. Max (1x1) 206 — — 2,45 — — 1,47 2,44 3,14 0,46 0,67 0,90 336 3,62 a 266 — — 2,96 — — 1,78 2,94 3,79 0,56 0,82 1,09 408 3,61 a 356 — — 3,75 — — 2...

  • Page 28

    Gi-26 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter unit a unit b unit c unit d unit a unit b unit c unit d min. Std. Max min. Std. Max (1x3) 206 356 356 — 1,73 2,76 2,76 — 3,05 7,22 8,85 0,90 2,03 3,03 1016 3,55 a 266 266 266 — 2,33 2,33 2,33 — 2,93 6,95 8,52 0...

  • Page 29

    Gi-27 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter unit a unit b unit c unit d unit a unit b unit c unit d min. Std. Max min. Std. Max (1x1) 206 — — — 2,30 — — — 1,38 2,35 2,81 0,58 0,77 1,04 387 3,04 b 266 — — — 2,70 — — — 1,62 2,76 3,29 0,67 0,90 1,21 452 3,0...

  • Page 30

    Gi-28 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter unit a unit b unit c unit d unit a unit b unit c unit d min. Std. Max min. Std. Max (1x1) 206 — — — 2,65 — — — 1,59 2,71 3,23 0,47 0,79 1,06 393 3,45 b 266 — — — 2,92 — — — 1,75 2,99 3,56 0,52 0,86 1,16 428 3,5...

  • Page 31

    Gi-29 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter unit a unit b unit c unit d unit a unit b unit c unit d min. Std. Max min. Std. Max (1x1) 206 — — — 2,30 — — — 1,27 2,32 2,78 0,55 0,81 1,03 407 2,85 c 266 — — — 2,70 — — — 1,49 2,73 3,27 0,64 0,95 1,20 475 2,8...

  • Page 32

    Gi-30 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter unit a unit b unit c unit d unit a unit b unit c unit d min. Std. Max min. Std. Max (1x4) 206 266 536 536 1,56 2,03 4,13 4,13 4,85 11,95 14,21 1,59 3,67 4,61 1833 3,26 a 206 356 356 356 1,91 3,05 3,05 3,05 4,53...

  • Page 33

    Gi-31 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter unit a unit b unit c unit d unit a unit b unit c unit d min. Std. Max min. Std. Max (1x3) 356 356 356 — 3,62 3,62 3,62 — 4,56 11,44 13,35 1,39 3,33 4,33 1663 3,44 b 356 356 536 — 3,25 3,25 4,66 — 4,69 11,76 13,...

  • Page 34

    Gi-32 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter 1.7 appearance of indoor & outdoor units “highwall” type indoor units : hkeu 206 x, 266 x hkeu 356 x hkeu 536 x.

  • Page 35

    Gi-33 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter 60 x 60 cassette type indoor units : “console” type indoor units : htfu 206 x, 266 x, 356 x, 536 x hfiu 266 x, 356 x, 536 x.

  • Page 36

    Gi-34 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter floor / ceiling type indoor units : low ducted type indoor units : hsfu 356 x, 536 x hrbu 206 x, 266 x, 356 x hrbu 536 x.

  • Page 37

    Gi-35 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter multi liberty dc inverter outdoor units : hcku 536 x2 hcku 606 x3 hcku 806 x3 hcku 706 x4 hcku 816 x4 hcku 406 x2.

  • Page 38

    Gi-36 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter multi liberty dc inverter outdoor units : hcku 1066 x4.

  • Page 39

    Gi-37 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter 1.8 outline of indoor & outdoor units air inlet 3 8 7 9 15 12 10 11 13 5 14 2 1 4 6 air outlet air inlet air inlet air outlet ir signal transmitter adju st aut o coo l dry heat hea lth high me d low mod e fan s...

  • Page 40

    Gi-38 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter it refers to a function which is not available on these models. “operation” indication lamp “self clean” indication lamp this lamp illuminates when the air conditioner is in operation. Auto timer indication lam...

  • Page 41

    Gi-39 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter 16 13 14 15 air inle t air inlet air outlet 13. Refrigerant pipings 14. Wiring between units 15. Service valves 16. Fan hood 1. Decorative panel 2. Air inlet grille 3. Air outlet (4) 4. Air filter (below the gr...

  • Page 42

    Gi-40 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter • outline of display panel on multi liberty cassette type indoor units (htfu x) operation led when connecting the unit to the power source, the led starts flashing. During the air conditioner’s operation, it st...

  • Page 43

    Gi-41 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter 1 2 3 4 5 6 7 8 9 led display & ir receiver refrigerant pipings air inlet condensate drain pipe air outlet ir remote controller motorized air outlet flaps air inlet wall fixing unit side 1 6 7 1 3 4 5 air inlet...

  • Page 44

    Gi-42 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter ir receiver window it allows to receive the signals sent by ir remote controller. 1 2 3 4 5 1 3 4 5 2 • outline of display panel on multi liberty “console” type indoor units (hfiu x) operation led it lights up ...

  • Page 45

    Gi-43 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter 13 10 11 12 air inlet air inlet air outlet 10. Tubazioni frigorifere 11. Collegamenti elettrici tra le unità 12. Rubinetti di servizio 13. Griglia di protezione del ventilatore 1. Motorized air outlet flap 2. A...

  • Page 46

    Gi-44 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter • outline of display panel on multi liberty floor/ceiling type indoor units (hsfu x) operation led when indoor unit is powered, this indicator starts flashing. The led lights up when indoor unit is operating. T...

  • Page 47

    Gi-45 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter 13 10 11 12 air inlet air inlet air outlet 10. Refrigerant pipings 11. Wiring between units 12. Service valves 13. Fan hood 1. Air inlet 2. Air outlet 3. Electric box (reachable from air inlet) 4. Unit’s square...

  • Page 48

    Gi-46 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter • outline of display panel on multi liberty low ducted type indoor units (hrbu x) operation led when connecting the unit to the power source, the led starts flashing. During the air conditioner’s operation, it ...

  • Page 49

    Gi-47 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter 1.9 ir remote controllers (standard type) for hkeu (206, 266, 356, 536) x models r51i4/bge.

  • Page 50

    Gi-48 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter 1) please make sure the 2 batteries (“aaa” type, 1.5v) are fully charged and correctly fitted in the special slot on the remote controller, by respecting the polarity marked on the remote control itself. The ba...

  • Page 51

    Gi-49 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter remove the cover of battery case (on rear of remote controller), by sliding it in the direction of the arrows marked on the cover itself. Pull out the old batteries and fit in the new batteries by respecting th...

  • Page 52

    Gi-50 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter n outline of ir remote controller’s buttons 1) temp button 2) temp button : press this button if you desire to reduce set tenperature by 1°c. : press this button if you desire to increase set temperature by 1°c...

  • Page 53

    Gi-51 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter n outline of ir remote controller’s buttons 8) fan speed button : to change the indoor fan speed. The available settings are the following: auto (automatic setting) low speed med speed high speed. 9) on/off but...

  • Page 54

    Gi-52 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter n outline of ir remote controller’s buttons 16) follow me button : to activate/deactivate ambient temperature sensor which is integrated in ir remote controller. Activation of this temperature sensor allows to ...

  • Page 55

    Gi-53 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter n outline of ir remote controller’s display 1 2 5 4 6 4 3 timer on off 7 1) digital display: it shows set temperature value in °c. During timer setting procedure, it shows time interval (h) referred to programm...

  • Page 56

    Gi-54 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter n outline of remote controller’s display timer on off 8) “follow me” indicator: when this indicator is displayed, it indicates that ambient temperature sensor integrated in ir remote controller has been activat...

  • Page 57

    Gi-55 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter for htfu (206, 266, 356, 536) x models r11hg/e.

  • Page 58

    Gi-56 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter max. Allowed distance of remote controller: 8 metres n installation & correct use of ir remote controller 1) please make sure the 2 batteries (“aaa” type, 1.5v) are fully charged and correctly fitted in the spe...

  • Page 59

    Gi-57 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter when batteries are inserted, remote control display will show “00:00” - sideways “clock” indication - with flashing colon. 1. Press “time adjust” button ( to go on and to go back). Every time the button is pres...

  • Page 60

    Gi-58 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter n outline of remote controller’s buttons temp clock speed mode fan speed on off temp auto cool dry heat fan auto low med high "mode" button "fan speed" button push this button to select operation modes. Each ti...

  • Page 61

    Gi-59 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter n outline of ir remote controller’s buttons auto cool dry heat fan temp clock timer on timer off speed auto low med high mode fan speed on off temp air direction economic running swing ok timer on clock cancel ...

  • Page 62

    Gi-60 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter n outline of remote controller’s display trasmission indicator mode display "on" indicator it is lit when the air conditioner has been started by remote controller. "temp" display the set point temperature is s...

  • Page 63

    Gi-61 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter for hfiu (266, 356, 536) x models r51d/e.

  • Page 64

    Gi-62 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter n installation & correct use of ir remote controller max. Allowed distance of remote controller: 8 metres 1) please make sure the 2 batteries (“aaa” type, 1.5v) are fully charged and correctly fitted in the spe...

  • Page 65

    Gi-63 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter temp auto cool dry heat fan high med low mode fan speed timer on economic on/off timer off air direction reset lock set temperature (°c) swing powerful n first fitting in and/or replacement of remote controller...

  • Page 66

    Gi-64 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter n outline of ir remote controller’s buttons temp auto cool dry heat fan high med low mode fan speed timer on economic on/off timer off air direction reset lock 1 2 4 5 6 7 3 8 9 10 11 12 13 set temperature (°c)...

  • Page 67

    Gi-65 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter n outline of ir remote controller’s buttons 8) fan speed button: to change the indoor fan speed. The available settings are the following: auto (automatic speed) low (low speed) med (medium speed) high (high sp...

  • Page 68

    Gi-66 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter n outline of ir remote controller’s display 1 2 5 4 6 4 3 timer on off 1) digital display: it shows set temperature value in °c. During timer setting procedure, it shows time interval (h) referred to progrmmed ...

  • Page 69

    Gi-67 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter n outline of ir remote controller’s display timer on off 7 7) fan speed indicator: it shows the currently selected speed for indoor fan. In “auto” and “dry” modes, there is no display of fan set speed, as the s...

  • Page 70

    Gi-68 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter for hsfu (356, 536) x models r05/bge.

  • Page 71

    Gi-69 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter n installation & correct use of ir remote controller max. Allowed distance of remote controller: 8 metres 1) please make sure the 2 batteries (“aaa” type, 1.5v) are fully charged and correctly fitted in the spe...

  • Page 72

    Gi-70 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter 3 1 2 when batteries are inserted, remote control display will show “00:00” - sideways “clock” indication - with flashing colon. 1. Press “time adjust” button ( to go on and to go back). Every time the button i...

  • Page 73

    Gi-71 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter n outline of ir remote controller’s buttons 1) mode button: each time the button is pressed, the selected operation mode changes according to the following sequence: auto = operation in automatic mode cool = op...

  • Page 74

    Gi-72 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter 3) adjust button : press this button if you desire to reduce set temperature by 1°c. Moreover, this button allows to adjust hours & minutes when setting current time. 4) adjust button : press this button if you...

  • Page 75

    Gi-73 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter 12) reset button: 13) lock button: to lock/unlock remote controller’s buttons. This allows to prevent undesired changes of operation settings. 14) ok button: to confirm current time setting. 16) eco button: to ...

  • Page 76

    Gi-74 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter n outline of ir remote controller’s display operation mode indicators "on" indicator it is shown if indoor unit has been started by remote controller. "temp" indicator it shows current time. "timer on & off" in...

  • Page 77

    Gi-75 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter for hrbu (206, 266, 356, 536) x models r11hg/e.

  • Page 78

    Gi-76 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter max. Allowed distance of remote controller: 8 metres n installation & correct use of ir remote controller manual operation timer def./fan alarm 1) please make sure the 2 batteries (“aaa” type, 1.5v) are fully c...

  • Page 79

    Gi-77 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter when batteries are inserted, remote control display will show “00:00” - sideways “clock” indication - with flashing colon. 1. Press “time adjust” button ( to go on and to go back). Every time the button is pres...

  • Page 80

    Gi-78 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter n outline of remote controller’s buttons temp clock speed mode fan speed on off temp auto cool dry heat fan auto low med high "mode" button "fan speed" button push this button to select operation modes. Each ti...

  • Page 81

    Gi-79 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter n outline of ir remote controller’s buttons auto cool dry heat fan temp clock timer on timer off speed auto low med high mode fan speed on off temp air direction economic running swing ok timer on clock cancel ...

  • Page 82

    Gi-80 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter n outline of remote controller’s display trasmission indicator mode display "on" indicator it is lit when the air conditioner has been started by remote controller. "temp" display the set point temperature is s...

  • Page 83

    Gi-81 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter 1.10 optional wired controllers for “console” type units dtw-ihxr wired controller dtws-ihxr wired controller with integrated ambient temperature sensor & “follow me” function..

  • Page 84

    Gi-82 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter 1.11 operation conditions for multi liberty dc inverter systems to obtain the best performances from these air-conditioning systems, it is recommended their use under the following temperature ranges: note: if ...

  • Page 85

    Gi-83 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter how to orient vertical airflow direction: warning a) customized setting (stop): perform this setting while the air conditioner is operating. Press “direction/swing” button several times, till the desired angle ...

  • Page 86

    Gi-84 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter n adjusting the horizontal airflow direction (hkeu x) a) customized setting: b) automatic setting: horizontal airflow direction can be manually set by moving the vertical outlet grille behind the horizontal fla...

  • Page 87

    Gi-85 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter how to set automatic of air outlet flaps: press “swing” button on remote controller, to start the automatic swinging of air outlet flaps. Press “swing” button again to stop automatic swinging of flaps. “swing” ...

  • Page 88

    Gi-86 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter warning • if the motorized louver malfunctions, it is adviced to turn off the air conditioner and cut the power for some minutes; then restore the power, turn the unit on again and check if the louver works pro...

  • Page 89

    Gi-87 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter air outlet selector positins of selector for selecting the kind of air outlet 1) open the frontal panel as it is shown in figure 1, by releasing hook mechanisms. 2) the position of selector for choosing the kin...

  • Page 90

    Gi-88 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter n adjusting the vertical airflow direction (hfiu x) cool / dry modes heat mode automatic swinging (“swing”) of air outlet flaps by pressing "air direction" button on remote controller, it is possible to select ...

  • Page 91

    Gi-89 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter manual adjustment of louvers (rightside-leftside) to adjust horizontal direction of air supplied by indoor unit, orient the louvers on both air outlets according to your needs, by moving the knobs placed sidewa...

  • Page 92

    Gi-90 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter n adjusting the vertical airflow direction (hsfu x) heating mode how to orient vertical airflow direction: press “air direction” button on remote controller several times, to select a fixed stop position for ai...

  • Page 93

    Gi-91 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter • “air direction”, “swing ” and “swing ” are disabled when the air conditioner is not operating. • never operate the air conditioner for a long time with the airflow direction set downwards in cooling and dry m...

  • Page 94

    Gi-92 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter warning • when the air conditioner is connected to power (initial power), the horizontal louver may generate a sound for about 10 secondi: this is a normal operation. • to avoid malfunctions, never attempt to m...

  • Page 95

    Gi-93 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter n adjustment of vertical airflow direction (hrbu x) on the indoor units of this type, air is supplied through air outlet vents placed at the end of ducts. The position and the type of air outlet vents are deter...

  • Page 96

    Gi-94 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter 40˚ • in heating mode, it is absolutely necessary to avoid thait hot air supplied through the vent keeps (”stratification” phenomenon) in the higher part of the room. This causes remarkable damage to the comfor...

  • Page 97

    Gi-95 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter 1.13 operation in emergency mode/test n highwall type models (hkeu x) frontal panel emergency/test button auto/cool • access to emergency / test button: to reach the emergency/test button, lift the frontal pane...

  • Page 98

    Gi-96 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter n 60 x 60 cassette type models (htfu x) • access to emergency/test button: on indoor unit’s led display, you can easily find “manual” button. Operation timer def./fan alarm led display manual • operation in “au...

  • Page 99

    Gi-97 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter n “console” type models (hfiu x) • access to emergency/test: on indoor unit’s led display, you can easily find “manual” button. Led display manual • operation in “auto” emergency mode: if the remote controller ...

  • Page 100

    Gi-98 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter n floor/ceiling type models (hsfu x) • access to emergency/test button: on indoor unit’s led display, you can easily find “manual” button. Led display manual alarm def./fan timer operation • operation in “auto”...

  • Page 101

    Gi-99 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter n low ducted type models (hrbu x) • access to emergency/test button: on indoor unit’s led display, you can easily find “manual” button. Operation timer def./fan alarm led display manual wiring • operation in “a...

  • Page 102

    Gi-100 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter 1.14 automatic restart function after a blackout this function requires the presence of a special module for automatic restart (“auto-restart”). This module is already provided in inner electronis of all “mult...

  • Page 103

    Gi-101 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter 1.15 advice for economic use of system n set a suitable temperature value: • during operation in heating mode, take care not to set a too high temperature value. • during operation in cooling mode, take care n...

  • Page 104: °C

    Gi-102 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter n 60 x 60 cassette models (htfu x) n set a suitable temperature value: • during operation in heating mode, take care not to set a too high temperature value. • during operation in cooling mode, take care not t...

  • Page 105: °C

    Gi-103 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter close the doors and the windows! Timer clean the air filters adjust airflow direction temperature adjustment use the curtains eco. °c powerful n “console” models (hfiu x) n set a suitable temperature value: • ...

  • Page 106: °C

    Gi-104 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter close the doors and the windows! Timer clean the air filters adjust the airflow direction temperature adjustment use the curtains eco. °c n floor/ceiling models (hsfu x) n set a suitable temperature value: • d...

  • Page 107: °C

    Gi-105 dual, triple, poker dc inverter : 1. General informationi multi liberty dc inverter close the doors and the windows! Timer clean the air filters adjust the airflow direction temperature adjustment use the curtains eco. °c manual operation timer def./fan alarm n low ducted models (hrbu x) n se...

  • Page 108: Section 2: Indoor Units

    Dual, triple, poker dc inverter : 2. Indoor units multi liberty dc inverter iu-1 dual, triple, poker dc inverter : 2. Indoor units multi liberty dc inverter section 2: indoor units table of contents 2. Indoor units ........................................................................................

  • Page 109: 2. Indoor Units

    Iu-2 dual, triple, poker dc inverter : 2. Indoor units multi liberty dc inverter 2. Indoor units 2.1 hkeu x models (highwall type) model name hkeu 206 x 220~240-1-50 (on outdoor unit) v-ph-hz power supply 2.00 kw capacity 38 0.17 38 0.17 - w power input cooling running current heating dehumidifying ...

  • Page 110

    Iu-3 dual, triple, poker dc inverter : 2. Indoor units multi liberty dc inverter model name hkeu 266 x 220~240-1-50 (on outdoor unit) v-ph-hz power supply 2.60 kw capacity 38 0.17 38 0.17 - w power input cooling running current heating dehumidifying capacity model type supplier 43 w mm mm mm mm db(a...

  • Page 111

    Iu-4 dual, triple, poker dc inverter : 2. Indoor units multi liberty dc inverter model name hkeu 356 x 220~240-1-50 (on outdoor unit) v-ph-hz power supply 3.50 kw capacity 44 0.20 44 0.20 - w power input cooling running current heating dehumidifying capacity model type supplier 43 w mm mm mm mm db(a...

  • Page 112

    Iu-5 dual, triple, poker dc inverter : 2. Indoor units multi liberty dc inverter model name hkeu 536 x 220~240-1-50 (on outdoor unit) v-ph-hz power supply 5.30 kw capacity 52 0.24 52 0.24 - w power input cooling running current heating dehumidifying capacity model type supplier 47 w mm mm mm mm db(a...

  • Page 113

    Iu-6 dual, triple, poker dc inverter : 2. Indoor units multi liberty dc inverter unit: mm dimension model hkeu 356 x hkeu 536 x width ( w) height ( h) depth ( d) 845 286 165 995 292 194 hkeu 206 x hkeu 266 x 795 270 165 795 270 165 2. Dimensions of hkeu x multi liberty indoor units h w d.

  • Page 114

    Iu-7 dual, triple, poker dc inverter : 2. Indoor units multi liberty dc inverter more than 12 cm more than 12 cm more than 15 cm more than 2.3 m caution highwall type indoor unit must be installed, by fixation plate, at 2.3m higher from floor. 3. Installation & service spaces of hkeu x multi liberty...

  • Page 115

    Iu-8 dual, triple, poker dc inverter : 2. Indoor units multi liberty dc inverter dedicated connectors (units “a”, “b”, “c”, “d”) for “plug”, on outdoor unit [to dedicated connector on oudoor unit] ionizer indoor fan motor frontal panel motor room temperature sensor (t1) heat exchanger’s temperature ...

  • Page 116

    Iu-9 dual, triple, poker dc inverter : 2. Indoor units multi liberty dc inverter (by dedicated connectors (units “a”, “b”, “c”, “d”) for “plug”, on outdoor unit) “plug” cable for connection between hkeu x indoor units and multi liberty dc inverter outdoor units 50±5(×4) 3 pins of “plug” connector: 1...

  • Page 117

    Iu-10 dual, triple, poker dc inverter : 2. Indoor units multi liberty dc inverter 40 35 28 42 37 33 5. Noise level of hkeu x multi liberty indoor units noise level at 1m, db(a) models “hi.” speed “lo.” speed “me” speed hkeu 356 x hkeu 536 x 37 33 27 37 33 27 hkeu 206 x hkeu 266 x indoor unit microph...

  • Page 118

    Iu-11 dual, triple, poker dc inverter : 2. Indoor units multi liberty dc inverter 32 27 20 34 29 25 noise level at 2.5m, db(a) models “hi.” speed “lo.” speed “me” speed hkeu 356 x hkeu 536 x 29 25 19 29 25 19 hkeu 206 x hkeu 266 x indoor unit microphone 2.5m 1m measurement conditions: 2.5m in front ...

  • Page 119

    Iu-12 dual, triple, poker dc inverter : 2. Indoor units multi liberty dc inverter 3 / 1 1 2 / 2 / 1 1 / function aspect q.Ty component 6. Accessories provided with hkeu x multi liberty indoor units installation plate / 1 installation screws st3.9 x 25 screws st2.9 x 10-c-h for remote controller’s wa...

  • Page 120

    Iu-13 dual, triple, poker dc inverter : 2. Indoor units multi liberty dc inverter 2.2 htfu x models (60 x 60 cassette type) model name htfu 206 x 220~240-1-50 (on outdoor unit) v-ph-hz power supply 2.00 kw capacity 58 0.26 58 0.26 - w power input cooling running current heating dehumidifying capacit...

  • Page 121

    Iu-14 dual, triple, poker dc inverter : 2. Indoor units multi liberty dc inverter model name htfu 266 x 220~240-1-50 (on outdoor unit) v-ph-hz power supply 2.90 kw capacity 58 0.26 58 0.26 - w power input cooling running current heating dehumidifying capacity model type supplier 41 w mm mm mm mm db(...

  • Page 122

    Iu-15 dual, triple, poker dc inverter : 2. Indoor units multi liberty dc inverter model name htfu 356 x 220~240-1-50 (on outdoor unit) v-ph-hz power supply 3.50 kw capacity 58 0.26 58 0.26 - w power input cooling running current heating dehumidifying capacity model type supplier 41 w mm mm mm mm db(...

  • Page 123

    Iu-16 dual, triple, poker dc inverter : 2. Indoor units multi liberty dc inverter model name htfu 536 x 220~240-1-50 (on outdoor unit) v-ph-hz power supply 5.30 kw capacity 80 0.40 80 0.40 - w power input cooling running current heating dehumidifying capacity model type supplier 63 w mm mm mm mm db(...

  • Page 124

    Iu-17 dual, triple, poker dc inverter : 2. Indoor units multi liberty dc inverter unit: mm dimension model htfu 356 x htfu 536 x width ( w) height ( h) depth ( d) htfu 206 x htfu 266 x 580 254 580 2. Dimensions of htfu x multi liberty indoor units 580 254 580 580 254 580 580 254 580 67 422 28.5 650 ...

  • Page 125

    Iu-18 dual, triple, poker dc inverter : 2. Indoor units multi liberty dc inverter 3. Installation & service spaces for htfu x multi liberty indoor units air inlet air outlet air outlet > 2300 a ≥ 280 floor > 1000 > 1000 > 1000 > 1000 unit: mm htfu (206, 266, 356, 536) x models.

  • Page 126

    Iu-19 dual, triple, poker dc inverter : 2. Indoor units multi liberty dc inverter dedicated connectors (units “a”, “b”, “c”, “d”) for “plug”, on outdoor unit note: the above diagram refers to hcku 706 indoor unit x4 (4 indoor units can be connected). L n ground ground outdoor unit’s terminal block p...

  • Page 127

    Iu-20 dual, triple, poker dc inverter : 2. Indoor units multi liberty dc inverter (by dedicated connectors (units “a”, “b”, “c”, “d”) for “plug”, on outdoor unit) “plug” cable for connection between htfu x indoor units and multi liberty dc inverter outdoor units 50±5(×4) 3 pins of “plug” connector: ...

  • Page 128

    Iu-21 dual, triple, poker dc inverter : 2. Indoor units multi liberty dc inverter 41 36 31 44 38 35 5. Noise level of htfu x multi liberty indoor units noise level at 1m, db(a) models “hi.” speed “lo.” speed “me” speed htfu 356 x htfu 536 x 40 34 30 40 34 30 htfu 206 x htfu 266 x indoor unit microph...

  • Page 129

    Iu-22 dual, triple, poker dc inverter : 2. Indoor units multi liberty dc inverter 33 28 23 36 30 27 noise level at 2.5m, db(a) models “hi.” speed “lo.” speed “me” speed htfu 356 x htfu 536 x 32 26 22 32 26 22 htfu 206 x htfu 266 x indoor unit microphone 2.5m measurement conditions: 2.5m below indoor...

  • Page 130

    Iu-23 dual, triple, poker dc inverter : 2. Indoor units multi liberty dc inverter 4 / 1 1 2 / 2 / 1 1 / function aspect q.Ty component 6. Accessories provided with htfu x multi liberty indoor units paper reference pattern 1 bolts m5 x 16 screw st2.9 x 10-c-h for remote controller’s wall bearing alka...

  • Page 131

    Iu-24 dual, triple, poker dc inverter : 2. Indoor units multi liberty dc inverter 2.3 hfiu x models (console type) model name hfiu 266 x 220~240-1-50 (on outdoor unit) v-ph-hz power supply 2.60 kw capacity 30 0.13 30 0.13 - w power input cooling running current heating dehumidifying capacity model t...

  • Page 132

    Iu-25 dual, triple, poker dc inverter : 2. Indoor units multi liberty dc inverter model name hfiu 356 x 220~240-1-50 (on outdoor unit) v-ph-hz power supply 3.50 kw capacity 30 0.13 30 0.13 - w power input cooling running current heating dehumidifying capacity model type supplier 42 w mm mm mm mm db(...

  • Page 133

    Iu-26 dual, triple, poker dc inverter : 2. Indoor units multi liberty dc inverter model name hfiu 536 x 220~240-1-50 (on outdoor unit) v-ph-hz power supply 5.30 kw capacity 50 0.22 50 0.22 - w power input cooling running current heating dehumidifying capacity model type supplier 42 w mm mm mm mm db(...

  • Page 134

    Iu-27 dual, triple, poker dc inverter : 2. Indoor units multi liberty dc inverter 2. Dimensions of hfiu x multi liberty indoor units hfiu (266, 356, 536) x models unit: mm 700 600 210 195 fixing elements.

  • Page 135

    Iu-28 dual, triple, poker dc inverter : 2. Indoor units multi liberty dc inverter 3. Installation & service spaces for hfiu (266, 356, 536) x multi liberty indoor units this type of indoor unit is installed in vertical position, with frontal and side air inlet and upper and lower air outlet (factory...

  • Page 136

    Iu-29 dual, triple, poker dc inverter : 2. Indoor units multi liberty dc inverter cn7 l n s cn20 cn11 cn5 jp1 cn3 cn1 cn2 cn15 cn101 cn10 cn201 cn202 xt1 cn20 cn13 cn18 cn6 m1 m2 rt1 rt2 l n s hfiu (266, 356, 536) x models 4. Wiring diagrams of hfiu x multi liberty indoor units temperature compensat...

  • Page 137

    Iu-30 dual, triple, poker dc inverter : 2. Indoor units multi liberty dc inverter dedicated connectors (units “a”, “b”, “c”, “d”) for “plug”, on outdoor unit note: the above diagram refers to hcku 706 indoor unit x4 (4 indoor units can be connected). L n ground ground outdoor unit’s terminal block p...

  • Page 138

    Iu-31 dual, triple, poker dc inverter : 2. Indoor units multi liberty dc inverter (by dedicated connectors (units “a”, “b”, “c”, “d”) for “plug”, on outdoor unit) “plug” cable for connection between hfiu x indoor units and multi liberty dc inverter outdoor units 1 50±5(×4) 3 2 3 pins of del “plug” c...

  • Page 139

    Iu-32 dual, triple, poker dc inverter : 2. Indoor units multi liberty dc inverter models noise level at 1m, db(a) “hi.” speed “lo.” speed “me” speed 5. Noise level of hfiu x multi liberty indoor units measurement conditions: 1m in front of indoor unit 1.5m 1.0m microphone hfiu 266 x 31 26 22 hfiu 35...

  • Page 140

    Iu-33 dual, triple, poker dc inverter : 2. Indoor units multi liberty dc inverter models noise level at 2.5m, db(a) “hi.” speed “lo.”speed “me” speed measurement conditions: 2.5m in front of indoor unit 1.5m 2.5m microphone hfiu 266 x 29 24 19 hfiu 356 x 29 24 19 hfiu 536 x 31 26 21.

  • Page 141

    Iu-34 dual, triple, poker dc inverter : 2. Indoor units multi liberty dc inverter / / 1 / / 1 1 1 2 / 2 / function aspect q.Ty components 6. Accessories provided with hfiu x multi liberty indoor units user’s manual installation manual control of unit infrared remote controller remote controller’s wa...

  • Page 142

    Iu-35 dual, triple, poker dc inverter : 2. Indoor units multi liberty dc inverter 2.4 hsfu x models (floor/ceiling type) model name hsfu 356 x 220~240-1-50 (on outdoor unit) v-ph-hz power supply 3.50 kw capacity 35 0.145 35 0.145 - w power input cooling running current heating dehumidifying capacity...

  • Page 143

    Iu-36 dual, triple, poker dc inverter : 2. Indoor units multi liberty dc inverter model name hsfu 536 x 220~240-1-50 (on outdoor unit) v-ph-hz power supply 5.30 kw capacity 35 0.145 35 0.145 - w power input cooling running current heating dehumidifying capacity model type supplier 33.4/31.1/29.5 w m...

  • Page 144

    Iu-37 dual, triple, poker dc inverter : 2. Indoor units multi liberty dc inverter a b c d e f g h 990 660 206 505 506 907 200 203 2. Dimensions of hsfu x multi liberty indoor units unit: mm a d f g h b e holes for refrigerant lines & drain hose c fixing clamp hole for drain hose hole for refrigerant...

  • Page 145

    Iu-38 dual, triple, poker dc inverter : 2. Indoor units multi liberty dc inverter 3. Service spaces for hsfu x multi liberty indoor units unit: mm hsfu (356, 536) x models ≥ 35mm ≥ 35mm ≥ 35mm ≥ 1000mm.

  • Page 146

    Iu-39 dual, triple, poker dc inverter : 2. Indoor units multi liberty dc inverter dedicated connectors (units “a”, “b”, “c”, “d”) for “plug”, on outdoor unit note: the above diagram refers to hcku 706 indoor unit x4 (4 indoor units can be connected). L n ground ground outdoor unit’s terminal block p...

  • Page 147

    Iu-40 dual, triple, poker dc inverter : 2. Indoor units multi liberty dc inverter (by dedicated connectors (units “a”, “b”, “c”, “d”) for “plug”, on outdoor unit) “plug” cable for connection between hsfu x indoor units and multi liberty dc inverter outdoor units 50±5(×4) 3 pins of “plug”connector: 1...

  • Page 148

    Iu-41 dual, triple, poker dc inverter : 2. Indoor units multi liberty dc inverter 5. Noise level of hsfu x multi liberty indoor units measurement conditions (floor type installation): 1 m in front of indoor unit indoor unit air outlet measurement conditions (ceiling type installation): 1m below indo...

  • Page 149

    Iu-42 dual, triple, poker dc inverter : 2. Indoor units multi liberty dc inverter measurement conditions (floor type installation): 2.5m in front of indoor unit indoor unit air outlet measurement conditions (ceiling type installation): 2.5m below indoor unit indoor unit air outlet 2. 5m 1.0m microph...

  • Page 150

    Iu-43 dual, triple, poker dc inverter : 2. Indoor units multi liberty dc inverter / / 1 / / 1 2 1 1 2 / 2 / function aspect q.Ty component 6. Accessories provided with hsfu x multi liberty indoor units user’s manual installation manual floor type installation bracket for wall fixing 2 ceiling type i...

  • Page 151

    Iu-44 dual, triple, poker dc inverter : 2. Indoor units multi liberty dc inverter 2.5 hrbu x models (low ducted type) model name hrbu 206 x 220~240-1-50 (on outdoor unit) v-ph-hz power supply 2.00 kw capacity 40 0.20 40 0.20 - w power input cooling running current heating dehumidifying capacity mode...

  • Page 152

    Iu-45 dual, triple, poker dc inverter : 2. Indoor units multi liberty dc inverter model name hrbu 266 x 220~240-1-50 (on outdoor unit) v-ph-hz power supply 2.60 kw capacity 40 0.20 40 0.20 - w power input cooling running current heating dehumidifying capacity model type supplier 36 w mm mm mm mm db(...

  • Page 153

    Iu-46 dual, triple, poker dc inverter : 2. Indoor units multi liberty dc inverter model name hrbu 356 x 220~240-1-50 (on outdoor unit) v-ph-hz power supply 3.20 kw capacity 45 0.20 45 0.20 - w power input cooling running current heating dehumidifying capacity model type supplier 36 w mm mm mm mm db(...

  • Page 154

    Iu-47 dual, triple, poker dc inverter : 2. Indoor units multi liberty dc inverter model name hrbu 536 x 220~240-1-50 (on outdoor unit) v-ph-hz power supply 5.30 kw capacity 60 0.30 60 0.30 - w power input cooling running current heating dehumidifying capacity model type supplier 52 w mm mm mm mm db(...

  • Page 155

    Iu-48 dual, triple, poker dc inverter : 2. Indoor units multi liberty dc inverter 2. Dimensions of hrbu x multi liberty indoor units hrbu (206, 266, 356) x models hrbu 536 x model unit: mm unit: mm 25 102 87 air outlet 55 220 175 63 refrigerant connection gas side (Ø9.52, 3/8”) refrigerant connectio...

  • Page 156

    Iu-49 dual, triple, poker dc inverter : 2. Indoor units multi liberty dc inverter 3. Service spaces for hrbu x multi liberty indoor units unit: mm hrbu (206, 266, 356, 536) x models refrigerant pipings’ connections air outlet air inlet plenum view a >500mm duct >100mm >200mm >250mm air inlet grille ...

  • Page 157

    Iu-50 dual, triple, poker dc inverter : 2. Indoor units multi liberty dc inverter dedicated connectors (units “a”, “b”, “c”, “d”) for “plug”, on outdoor unit note: the above diagram refers to hcku 706 indoor unit x4 (4 indoor units can be connected). L n ground ground outdoor unit’s terminal block p...

  • Page 158

    Iu-51 dual, triple, poker dc inverter : 2. Indoor units multi liberty dc inverter (by dedicated connectors (units “a”, “b”, “c”, “d”) for “plug”, on outdoor unit) “plug” cable for connection between hrbu x indoor units and multi liberty dc inverter outdoor units 50±5(×4) 3 pins of “plug” connector: ...

  • Page 159

    Iu-52 dual, triple, poker dc inverter : 2. Indoor units multi liberty dc inverter 41 36 31 41 36 31 45 39 35 5. Noise level of hrbu x multi liberty indoor units noise level at 1m, db(a) models “hi.” speed “lo.” speed “me” speed hrbu 206 x hrbu 266 x 42 36 31 hrbu 356 x hrbu 536 x indoor unit measure...

  • Page 160

    Iu-53 dual, triple, poker dc inverter : 2. Indoor units multi liberty dc inverter 33 28 23 33 28 23 37 31 27 noise level at 2.5m, db(a) models “hi” speed “lo.” speed “me” speed hrbu 206 x hrbu 266 x 34 28 23 hrbu 356 x hrbu 536 x indoor unit measurement conditions: 2.5m below indoor unit’s air inlet...

  • Page 161

    Iu-54 dual, triple, poker dc inverter : 2. Indoor units multi liberty dc inverter function aspect q.Ty component 6. Accessories provided with hrbu x multi liberty indoor units user’s manual to be delivered to customer 1 installation manual to be delivered to customer 1 1 infrared remote controller a...

  • Page 162

    Iu-55 dual, triple, poker dc inverter : 2. Indoor units multi liberty dc inverter 2.6 cleaning & maintenance of indoor units n highwall type models (hkeu x) warning n cleaning of indoor unit and remote controller (hkeu x multi liberty models) warning for cleaning the indoor unit and the remote contr...

  • Page 163

    Iu-56 dual, triple, poker dc inverter : 2. Indoor units multi liberty dc inverter n cleaning of polypropylene net type filters (hkeu x multi liberty models) 1) 2) 3) 4) 5) 6) fixing elements fig. 6 fig. 8 fig. 7 remove the net type filters by detaching the fixing latches, as it is shown in fig. 6. T...

  • Page 164

    Iu-57 dual, triple, poker dc inverter : 2. Indoor units multi liberty dc inverter n if you foresee not using the system for a long time 3) 1) 2) 4) 5) operate the indoor unit in “fan” mode for at least 2 hours, in order to remove residual humidity inside it. Disconnect the system by switching over m...

  • Page 165

    Iu-58 dual, triple, poker dc inverter : 2. Indoor units multi liberty dc inverter n 60 x 60 cassette type models (htfu x) warning n cleaning of indoor unit and remote controller (htfu x multi liberty models) warning to clean indoor unit’s panel and remote controller, preferably use a dry cloth. • • ...

  • Page 166

    Iu-59 dual, triple, poker dc inverter : 2. Indoor units multi liberty dc inverter n cleaning the polypropylene net type filter (htfu x multi liberty models) 1) 2) 3) 4) 5) fig. 6 fig. 7 remove the net type filter by detaching the fixing latches on indoor unit’s air inlet grille. Carry out the cleani...

  • Page 167

    Iu-60 dual, triple, poker dc inverter : 2. Indoor units multi liberty dc inverter n before starting the system after it has not been operated for a long time 4) 5) 6) replace batteries in infrared remote controller, and check if contacts are not damaged (eventual oxidation, etc.) inside the battery ...

  • Page 168

    Iu-61 dual, triple, poker dc inverter : 2. Indoor units multi liberty dc inverter n console type models (hfiu x) warning n cleaning of indoor unit and remote controller (hfiu x multi liberty models) warning to clean indoor unit and remote controller, preferably use a dry cloth. • • if indoor unit is...

  • Page 169

    Iu-62 dual, triple, poker dc inverter : 2. Indoor units multi liberty dc inverter n cleaning of polypropylene net type filter (hfiu x multi liberty models) 1) 2) 3) 4) 5) fig. 6 fig. 7 clean net type filter by using a vacuum cleaner and adjusting it at min. Suction capacity, in order to avoid to dam...

  • Page 170

    Iu-63 dual, triple, poker dc inverter : 2. Indoor units multi liberty dc inverter n if you foresee not using the system for a long time 3) 1) 2) 4) 5) operate the indoor unit in “fan” mode for at least 2 hours, in order to remove residual humidity inside it. Disconnect the system by switching over m...

  • Page 171

    Iu-64 dual, triple, poker dc inverter : 2. Indoor units multi liberty dc inverter n floor/ceiling type models (hsfu x) warning n cleaning of indoor unit and remote controller (hsfu x multi liberty models) warning • • if indoor unit is very dirty, a cloth dampened in cold water may be used. Indoor un...

  • Page 172

    Iu-65 dual, triple, poker dc inverter : 2. Indoor units multi liberty dc inverter n cleaning of polypropylene net type filters (hsfu x multi liberty models) 1) 2) 3) 4) 5) 6) fig. 5 fig. 6 fig. 7 with air inlet grille slightly open, detach the air filters (one on rightside and one on leftside) and t...

  • Page 173

    Iu-66 dual, triple, poker dc inverter : 2. Indoor units multi liberty dc inverter n cleaning of indoor unit’s air inlet grille (hsfu x multi liberty models) 7) 8) 9) fig. 10 dry well air inlet grille, by using a soft cloth which does not leave material pieces on the grille itself. Re-install the gri...

  • Page 174

    Iu-67 dual, triple, poker dc inverter : 2. Indoor units multi liberty dc inverter n low ducted type models (hrbu x) warning n cleaning of air inlet panel and remote controller (hrbu x multi liberty models) warning for cleaning indoor unti’s air inlet panel and remote controller, use preferably a dry...

  • Page 175

    Iu-68 dual, triple, poker dc inverter : 2. Indoor units multi liberty dc inverter n cleaning of polypropylene net type filter (hrbu x multi liberty models) 1) 2) 3) 4) 5) 6) fig. 5 fig. 6 fig. 7 after removing air inlet filter, remove polypropylene net type filter by detaching it from unit’s body or...

  • Page 176

    Iu-69 dual, triple, poker dc inverter : 2. Indoor units multi liberty dc inverter n if you foresee not using the system for a long time 3) 1) 2) 4) 5) n before starting the system after it has not operated for a long time 1) 2) 3) 4) 5) 6) 7) 8) operate the indoor unit in “fan” mode for at least 2 h...

  • Page 177

    Dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter section 3: outdoor units & troubleshooting out-1 dual, triple, poker dc inverter : 3. Outdoor units & troubleshooting multi liberty dc inverter table of contents 3.1 specifications of multi liberty outdoo...

  • Page 178

    Out-2 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter 3. Outdoor units & troubleshooting 3.1 specifications of multi liberty outdoor units model name v-ph-hz power supply kw capacity w power input cooling running current power input oil type heating c ...

  • Page 179

    Out-3 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter model name v-ph-hz power supply kw capacity w power input cooling running current power input oil type heating c om pr es so r m ot or eer/cop max. Power input starting current a kw capacity kw powe...

  • Page 180

    Out-4 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter model name v-ph-hz power supply kw capacity w power input cooling running current power input oil type heating c om pr es so r m ot or eer/cop max. Power input starting current a kw capacity kw powe...

  • Page 181

    Out-5 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter model name v-ph-hz power supply kw capacity w power input cooling running current power input oil type heating c om pr es so r m ot or eer/cop max. Power input starting current a kw capacity kw powe...

  • Page 182

    Out-6 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter model name v-ph-hz power supply kw capacity w power input cooling running current power input oil type heating c om pr es so r m ot or eer/cop max. Power input starting current a kw capacity kw powe...

  • Page 183

    Out-7 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter model name v-ph-hz power supply kw capacity w power input cooling running current power input oil type heating c om pr es so r m ot or eer/cop max. Power input starting current a kw capacity kw powe...

  • Page 184

    Out-8 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter model name v-ph-hz power supply kw capacity w power input cooling running current power input oil type heating c om pr es so r m ot or eer/cop max. Power input starting current a kw capacity kw powe...

  • Page 185

    Out-9 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter unit: mm hcku 406 outdoor unit x2 590 760 530 3.2 dimensions of multi liberty dc inverter outdoor units 285 290

  • Page 186

    Out-10 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter unit: mm hcku 536 x2, hcku 606 x3, hcku 806 x3, hcku 706 outdoor units x4 845 695 335 560 340

  • Page 187

    Out-11 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter unit: mm hcku 816 outdoor unit x4 590 862 313 895 975 302 333 355.

  • Page 188

    Out-12 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter unit: mm hcku 1066 outdoor unit x4 966 354 1075 990 624 340 366 396.

  • Page 189

    Out-13 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter unit: mm > 300 > 600 > 300 > 200 (wall or obstacle) air inlet maintenance space air outlet air inlet > 60 0 fix by bolts base base notes: 1) make sure that concrete base’s height may assure a suita...

  • Page 190

    Out-14 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter c om bi na tio ns w ith h c ku 4 06 x 2, h c ku 5 36 x 2 o ut do or u ni ts exhaust temperature sensor 4-w ay valv e compressor receiv er axial flo w f an condenser main capillar y a uxiliar y capi...

  • Page 191

    Out-15 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter c om bi na tio ns w ith h c ku 6 06 x 3, h c ku 8 06 o ut do or u ni ts x 3 exhaust temperature sensor 4-w ay valv e compressor receiv er axial flo w f an condenser main capillar y a uxiliar y capi...

  • Page 192

    Out-16 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter c om bi na tio ns w ith h c ku 7 06 x 4, h c ku 8 16 x 4, h c ku 1 06 6 x4 o ut do or u ni ts capillar y (unit “a”) capillar y (unit “b”) capillar y (unit “c”) exv v alv e (“a”) exv v alv e (“b”) e...

  • Page 193

    Out-17 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter hcku 406 x2 outdoor unit 3.5. Wiring diagrams of multi liberty dc inverter outdoor units ipm module p n p3 p1 p2 p4 p-1 t a , t b red ct1 red blue blac k blue red condenser ac u v w r1310 filter cn...

  • Page 194

    Out-18 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter hcku 536 outdoor unit x2 ipm module p n p-1 t a , t b red blac k ct1 red black blac k blue red condenser ac red blue red u v w r1815 filter cn2 a b cn14 cn13 cn26 cn28 (t o indoor unit “b”) (t o in...

  • Page 195

    Out-19 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter hcku 606 outdoor unit x3 ipm module p n p-1 t a , t b , t c red blac k ct1 red black blac k blue red condenser ac red blue red u v w r1815 filter cn2 a b c cn14 cn13 cn26 cn28 (t o indoor unit “b”)...

  • Page 196

    Out-20 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter hcku 806 outdoor unit x3 ipm module p n p-1 t a , t b , t c red blac k ct1 red black blac k blue red condenser ac red blue red u v w r1815 filter cn2 a b c cn14 cn13 cn26 cn28 (t o indoor unit “b”)...

  • Page 197

    Out-21 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter hcku 706 outdoor unit x4 cn1 p n p-1 red ct1 l n red blac k te m pe ra tu re s en so r (gas side), “a ” te m pe ra tu re s en so r (gas side), “b ” heat exchanger temp. Sensor , t3 room temp. Senso...

  • Page 198

    Out-22 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter p3 p1 p2 p4 + - + + + - - ~ ~ + - ~ ~ - hcku 816 outdoor unit x4 cn1 p n p-1 red ct1 l n red blac k te m pe ra tu re s en so r (gas side), “a ” te m pe ra tu re s en so r (gas side), “b ” heat exch...

  • Page 199

    Out-23 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter p3 p1 p2 p4 + - + + - - hcku 1066 outdoor unit x4 t a , t b , t c , t d cn1 cn202 p n p-1 red l n red blac k te m pe ra tu re s en so r (gas side), “a ” te m pe ra tu re s en so r (gas side), “b ” ...

  • Page 200

    Out-24 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter (by dedicated connectors (units “a”, “b”, “c”, “d”) for “plug”, on outdoor unit) wiring diagram between indoor units and outdoor units multi liberty dc inverter note: the wir ing abo ve ref ers to ...

  • Page 201

    Out-25 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter (by dedicated connectors (units “a”, “b”, “c”, “d”) for “plug”, on outdoor unit) “plug” cable for connection between per indoor u. And outdoor u. Multi liberty dc inverter 50±5(×4) 3 pins of “plug”...

  • Page 202

    Out-26 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter 1.0 m microphone models noise level at 1m, db(a) 53 54 55 hcku 406 x2 hcku 536 x2 hcku 606 x3 55 55 57 hcku 806 x3 hcku 706 x4 hcku 816 x4 61 hcku 1066 x4 outdoor unit measurement conditions: 1m in...

  • Page 203

    Out-27 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter 2.5 m microphone models noise level at 2.5m, db(a) 45 46 47 hcku 406 x2 hcku 536 x2 hcku 606 x3 47 47 49 hcku 806 x3 hcku 706 x4 hcku 816 x4 53 hcku 1066 x4 outdoor unit measurement conditions: 2.5...

  • Page 204

    Out-28 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter in cooling mode indoor temperature (°c, w.B.) outdoor temperature (°c , d .B .) 3.7 operating conditions of multi liberty dc inverter systems in heating mode outdoor temperature (°c , w .B .) 50 30...

  • Page 205

    Out-29 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter 3.8 capacity & power input in heating mode of multi liberty dc inverter outdoor units 12°c d .B. 11°c w .B. Capacity (kw) 5,24 4,57 3,74 3,21 2,73 2,29 1,98 1,36 p ower input (kw) 1,39 1,23 1,15 1,...

  • Page 206

    Out-30 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter 3.9 capacity curve and power consumption of multi liberty dc inverter outdoor units p ower input (kw) capacity (kw) outdoor air temperature (°c) d.B. Test conditions: indoor temperature = 20°c (b.S...

  • Page 207

    Out-31 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter p ower input (kw) capacity (kw) outdoor air temperature (°c) d.B. Test conditions: indoor temperature = 20°c (d.B.) number and capacity of connected indoor units = (2 x) 266x setting of indoor fan ...

  • Page 208

    Out-32 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter p ower input (kw) capacity (kw) outdoor air temperature (°c) d.B. Test conditions: indoor temperature = 20°c (d.B.) number and capacity of connected indoor units = (3 x) 206x setting of indoor fan ...

  • Page 209

    Out-33 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter p ower input (kw) capacity (kw) outdoor air temperature (°c) d.B. Test conditions: indoor temperature = 20°c (d.B.) number and capacity of connected indoor units = (3 x) 266x setting of indoor fan ...

  • Page 210

    Out-34 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter p ower input (kw) capacity (kw) outdoor air temperature (°c) d.B. Test conditions: indoor temperature = 20°c (d.B.) number and capacity of connected indoor units = (4 x) 206x setting of indoor fan ...

  • Page 211

    Out-35 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter p ower input (kw) capacity (kw) outdoor air temperature (°c) d.B. Test conditions: indoor temperature = 20°c (d.B.) number and capacity of connected indoor units = (4 x) 206x setting of indoor fan ...

  • Page 212

    Out-36 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter p ower input (kw) capacity (kw) outdoor air temperature (°c) d.B. Test conditions: indoor temperature = 20°c (d.B.) number and capacity of connected indoor units = (4 x) 266x setting of indoor fan ...

  • Page 213

    Out-37 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter 3.2 troubleshooting condition causes or check points after an operation stop, the air conditioner does not perform a restart immediately. • this is normal. A protective function (3 minutes delay) i...

  • Page 214

    Out-38 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter 3.2.1 error codes displayed on indoor units digital display 1) in case of whatever malfunction, the digital display (see above) shows the corresponding error code or protection code. 2) concerning ...

  • Page 215

    Out-39 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter malfunction of indoor unit’s eeprom or pcb. Replace indoor unit’s pcb. • troubleshooting for error codes shown on the display of multi liberty hkeu x indoor unit error codes on indoor unit outline ...

  • Page 216

    Out-40 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter is system operation normal now? Does led4 (red) on outdoor unit’s pcb light up and is led1 (yellow) flashing? Power supply problem of outdoor unit’s pcb. Check connections of pcb according to wirin...

  • Page 217

    Out-41 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter check connections of power lines and correct connectors’ connections. Indoor unit’s pcb is defective. Replace the indoor pcb. No yes are power lines and connectors’ connections ok? Error code on in...

  • Page 218

    Out-42 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter restore fan motor’s connector and connect if again on indoor unit’s pcb. No yes no are fan motor’s connector and wirings ok? Is voltage being applied to the fan motor (90~160v ac)? Replace fan moto...

  • Page 219

    Out-43 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter no no yes yes no are connectors of temperature sensors t3 and t4 and wirings of both sensors ok? Replace one of both sensors (t3, t4). Does code “e5” appear again? Do r-t features of sensors corres...

  • Page 220

    Out-44 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter no no yes yes no are the connectors of temperature sensors t1 and t2, and wirings of both sensors ok? Replace one of both sensors (t1, t2). Does code “e6” appear again? Do r-t features of sensors c...

  • Page 221

    Out-45 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter no yes yes yes are power supply voltage’s values normal? Solve the problem and test the system. No are wirings ok? Restore the connections and test the system. Yes no no inspect inverter module: ar...

  • Page 222

    Out-46 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter p i too low/too high power supply voltage on o.U. No no yes do power supply values correspond to operating specifications of system? Replace outdoor unit’s pcb. The problem is solved. Contact the e...

  • Page 223

    Out-47 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter no no no yes yes yes yes does refrigerant flow properly inside the system? Does anomaly persist even after having added refrigerant? Does compressor start? Are compressor motor’s connections ok? Do...

  • Page 224

    Out-48 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter p 3 protection for compressor overcurrent measure the resistance on compressor’s terminals. Normally, the detected values must be the following: between u(r) and v(s): 1 Ω . Between u(r) and w(c): ...

  • Page 225

    Out-49 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter p 4 intervention of a protection function of inverter module protection code on indoor unit outline of protection function • troubleshooting for protection codes shown on display of multi liberty h...

  • Page 226

    Out-50 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter p 5 operation mode in conflict with operation mode of other indoor units protection code on indoor unit outline of protection function • troubleshooting for protection codes shown on display of mul...

  • Page 227

    Out-51 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter led display on indoor units 1) in case of operation malfunctions, the codified flashing of led indicators on indoor units’ display allows to explain the cause of malfunction, thus making easier the...

  • Page 228

    Out-52 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter outline of malfunction malfunction of t1 sensor (room temperature) on indoor unit operation timer def./fan flashing off off alarm off no no yes yes no check the connector and wirings of t1 sensor: ...

  • Page 229

    Out-53 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter outline of malfunction malfunction of t2 sensor (heat exchanger) on indoor unit operation timer def./fan off off flashing alarm off no no yes yes no check connector and wirings of t2 sensor: are bo...

  • Page 230

    Out-54 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter outline of malfunction communication error between indoor unit ↔ outdoor unit operation timer def./fan off flashing off alarm off • troubleshooting by led indicators of multi liberty (htfu, hsfu, h...

  • Page 231

    Out-55 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter outline of malfunction malfunction on drain condensate system [htfu x i.U. Only] operation timer def./fan. Off off off alarm flashing • troubleshooting by led indicators of multi liberty (htfu, hsf...

  • Page 232

    Out-56 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter descrizione dell’anomalia malfunction of eeprom on indoor unit operation timer def./fan flashing flashing off alarm off • troubleshooting by led indicators of multi liberty (htfu, hsfu, hrbu) x ind...

  • Page 233

    Out-57 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter outline of malfunction intervention of a protection on inverter module (ipm) operation timer def./fan flashing off off alarm on • troubleshooting by led indicators of multi liberty (htfu, hsfu, hrb...

  • Page 234

    Out-58 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter outline of malfunction malfunction of temp. Sensor (broken or in short-circuit) on o.U. Operation timer def./fan flashing on off alarm off • troubleshooting by led indicators of multi liberty (htfu...

  • Page 235

    Out-59 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter outline of malfunction too low/too high power supply voltage on outdoor unit. Operation timer def./fan flashing on off alarm on • troubleshooting by led indicators of multi liberty (htfu, hsfu, hrb...

  • Page 236

    Out-60 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter outline of malfunction operation timer def./fan flashing off on alarm off • troubleshooting by led indicators of multi liberty (htfu, hsfu, hrbu) x indoor units no no no yes yes yes yes does refrig...

  • Page 237

    Out-61 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter outline of malfunction operation mode in conflict with operarion mode of other indoor units operation timer def./fan flashing off on alarm on • troubleshooting by led indicators of multi liberty (h...

  • Page 238

    Out-62 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter outline of malfunction operation timer def./fan flashing off on alarm on • troubleshooting by led indicators of multi liberty (htfu, hsfu, hrbu) x indoor units yes yes no no no protection for compr...

  • Page 239

    Out-63 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter codified malfunctions: led indicators of multi liberty (hfiu 266 x, 356 x) indoor units operation timer pre-def. Outline of malfunction faulty temp. Sensor (broken/in short-circuit) on o.U. Communi...

  • Page 240

    Out-64 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter • troubleshooting by led indicators of multi liberty (hfiu 266 x, 356 x) indoor units no no yes yes no yes outline of malfunction malfunction of t1 sensor (room temperature) on indoor unit operatio...

  • Page 241

    Out-65 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter • troubleshooting by led indicators of multi liberty (hfiu 266 x, 356 x) indoor units no no yes sÌ no yes outline of malfunction malfunction of t2 sensor (heat exchanger’s temp.) on indoor unit ope...

  • Page 242

    Out-66 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter communication error between indoor unit ↔ outdoor unit no no no no no yes yes yes • troubleshooting by led indicators of multi liberty (hfiu 266 x, 356 x) indoor units outline of malfunction operat...

  • Page 243

    Out-67 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter faulty eeprom on indoor unit • troubleshooting by led indicators of multi liberty (hfiu 266 x, 356 x) indoor units outline of malfunction no no yes yes operation timer pre-def. Flashing flashing of...

  • Page 244

    Out-68 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter intervention of a protection on inverter module (ipm) • troubleshooting by led indicators of multi liberty (hfiu 266 x, 356 x) indoor units outline of malfunction operation timer pre-def. Flashing ...

  • Page 245

    Out-69 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter • troubleshooting by led indicators of multi liberty (hfiu 266 x, 356 x) indoor units outline of malfunction operation timer pre-def. Flashing flashing flashing no no yes yes no yes malfunction of ...

  • Page 246

    Out-70 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter • troubleshooting by led indicators of multi liberty (hfiu 266 x, 356 x) indoor units outline of malfunction operation timer pre-def. Flashing on off no no no yes yes yes yes no no intervention of ...

  • Page 247

    Out-71 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter operation mode in conflict with operation mode of other i.U. Of system • troubleshooting by led indicators of multi liberty (hfiu 266 x, 356 x) indoor units outline of malfunction operation timer p...

  • Page 248

    Out-72 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter codified malfunctions: led indicators of multi liberty hfiu 536 x indoor unit operation timer pre-def. Outline of malfunction • troubleshooting by led indicators of multi liberty hfiu 536 x indoor ...

  • Page 249

    Out-73 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter • troubleshooting by led indicators of multi liberty hfiu 536 x indoor unit no no yes yes no yes outline of malfunction malfunction of t1 sensor (room temperature) on indoor unit operation timer pr...

  • Page 250

    Out-74 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter communication error between indoor unit ↔ outdoor unit no no no no no yes yes yes • troubleshooting by led indicators of multi liberty hfiu 536 x indoor unit outline of malfunction operation timer ...

  • Page 251

    Out-75 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter faulty eeprom on indoor unit • troubleshooting by led indicators of multi liberty hfiu 536 x indoor unit outline of malfunction no no yes yes operation timer pre-def. Flashing flashing flashing mal...

  • Page 252

    Out-76 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter malfunction on outdoor unit (see display on outdoor unit’s pcb) • troubleshooting by led indicators of multi liberty hfiu 536 x indoor unit outline of malfunction malfunction on outdoor unit. Pleas...

  • Page 253

    Out-77 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter operation mode in conflict with operation mode of other i.U. • troubleshooting by led indicators of multi liberty hfiu 536 x indoor unit outline of malfunction operation timer pre-def. Flashing off...

  • Page 254

    Out-78 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter 3.2.2 error/protection codes displayed on outdoor units • error codes shown by 2-digit led display (multi liberty outdoor unit’s pcb): • protection codes shown on 2-digit led display (multi liberty...

  • Page 255

    Out-79 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter error code on outdoor unit outline of malfunction e 0 error of eeprom parameters (indoor unit) the display shows “e0” . Error on indoor unit’s eeprom. Check if eeprom is well inserted into the base...

  • Page 256

    Out-80 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter error code on outdoor unit outline of malfunction e 1 malfunction of temperature sensor, gas side, on indoor unit “a” error code on outdoor unit outline of malfunction e 2 malfunction of temperatur...

  • Page 257

    Out-81 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter error code on outdoor unit outline of malfunction e 3 malfunction of temperature sensor, gas side, on indoor unit “c” is temperature sensor t3 (outside air) connected properly? Are sensor wirings o...

  • Page 258

    Out-82 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter does error (error code) occur again? Measure voltage on secondary side of transformer, on outdor unit’s power supply pcb: are there 12~14v ac? Error code on outdoor unit outline of malfunction e 5 ...

  • Page 259

    Out-83 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter outdoor unit’s display (pcb) shows error code “e7”. Error code on outdoor unit outline of malfunction e 7 communication error on outdoor unit’s pcb replace outdoor unit’s main pcb. • troubleshootin...

  • Page 260

    Out-84 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter the display shows “p0”. Compressor discharge overtemperature. Is compressor discharge temperature > 115°c? No no no yes check wirings and right connection of the discharge temperature sensor to the...

  • Page 261

    Out-85 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter no no no yes yes yes no does refrigerant flow properly inside the system? Does anomaly persist even after adding refrigerant? Does compressor start? Are compressor motor connections ok? Does therma...

  • Page 262

    Out-86 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter the display shows “p1”. Intervention of high pressure protection. Hypothesis 2: malfunction of high pressure sensor. Measure high pressure value on circuit: is it ok? Hypothesis 3: outdoor temperat...

  • Page 263

    Out-87 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter the display shows “ p2”. Intervention of low pressure protection. Hypothesis 2: malfunction of low pressure sensor. Hypothesis 4: refrigerant leak on refrigerant circuit. Hypothesis 3: is outdoor t...

  • Page 264

    Out-88 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter protection for compressor overcurrent p 3 outline of protection function • troubleshooting flowcharts, referred to protection codes displayed on outdoor unit: protection code on outdoor unit measur...

  • Page 265

    Out-89 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter check connections on p4(-), p2(+) connectors on outdoor unit’s main pcb: are they ok? Is power supply voltage (measure it) on outdoor unit 220-240v? Correct connections on connectors and make power...

  • Page 266

    Out-90 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter protection for outdoor low temperature, in heating mode if outdoor temperature keeps lower than -15°c for more than 1 hour, system is stopped. The system will be restarted if outdoor temperature ke...

  • Page 267

    Out-91 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter the display shows “p6”. Overtemperature of outdoor heat exchanger. Is temperature on outdoor heat exchanger > 65°c? No no no no no yes if temperature detected on oudoor heat exchanger is higher tha...

  • Page 268

    Out-92 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter • important warning for safety: on outdoor unit there are electrolytic condensers, that is high voltage components if system is powered, even if it is not operating. In case you need to have access...

  • Page 269

    Out-93 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter u-v 60-150v(ac) u-w 60-150v(ac) v-w 60-150v(ac) p-n dc 310v + ~ ~ + ~ ~ _ ~ + _ ~ • rectifier (1 & 2) tester prods rectifier measurement’s result resistance (direct measurement) resistance (inverte...

  • Page 270

    Out-94 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter 3.4 r-t features of temperature sensors temp. Resistance (k Ω ) resistance tolerance (%) r max r norm r min max (+) min (+) temperature tolerance (%) max (+) min (+) -20 116.539 106.732 96.920 9.19...

  • Page 271

    Out-95 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter 26 9.848 9.551 9.255 3.11 3.10 0.69 0.66 27 9.418 9.125 8.834 3.21 3.19 0.72 0.69 28 9.010 8.721 8.434 3.31 3.29 0.75 0.71 29 8.621 8.337 8.055 3.41 3.38 0.77 0.74 30 8.252 7.972 7.695 3.51 3.47 0....

  • Page 272

    Out-96 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter 74 1.514 1.416 1.321 6.94 6.71 1.98 1.94 75 1.463 1.367 1.275 7.00 6.77 2.01 1.97 76 1.414 1.321 1.230 7.06 6.83 2.04 2.00 77 1.367 1.276 1.188 7.12 6.88 2.06 2.02 78 1.321 1.233 1.147 7.17 6.94 2....

  • Page 273

    Out-97 dual, triple, poker dc inverter : 3. Outdoor unitis & troubleshooting multi liberty dc inverter discharge pipe temperature sensor. -20 542.7 20 68.66 60 13.59 100 3.702 -19 511.9 21 65.62 61 13.11 101 3.595 -18 483 22 62.73 62 12.65 102 3.492 -17 455.9 23 59.98 63 12.21 103 3.392 -16 430.5 24...

  • Page 274: Section 4: Installation

    Dual, triple, poker dc inverter : 4. Informazioni di installazione multi liberty dc inverter ins-1 dual, triple, poker dc inverter : 4. Indicazioni per l’installazione multi liberty dc inverter section 4: installation table of contents 4. Installation ...................................................

  • Page 275: 4. Installation

    Ins-2 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter warning this system should be applied to places as households, residences and the like. Application to other environment such as engineering shop could cause equipment malfunction. Please entrust installation to either...

  • Page 276

    Ins-3 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter caution execute proper grounding. Do not connect the ground wire to a gas pipe, water pipe, lighting rod or telephone ground wire. Improper placement of ground wires can result in electric shock. The installation of an...

  • Page 277

    Ins-4 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter 4.1 checks and preliminary operations ¦ before starting the installation work, be sure to have all necessary tools and materials for carrying out all different phases of procedures. ¦ check if there are all accessories...

  • Page 278

    Ins-5 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter r410a refrigerant specifications refrigerant r22 (pure) r410a (mixture) r407c (mixture) refrigerant oil mineral oil (sontex 200l) synthetic oil (poe) synthetic oil (poe) pressures factor: “1” factor: 1.6 factor: 1.1 1....

  • Page 279

    Ins-6 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter ■ refrigerant pipings 1. Use refrigerant pipings and materials designed for r410a refrigerant. Pipings’ diameter Φ 6.35mm Φ 9.52mm Φ 12.7mm Φ 15.88mm Φ19.05mm min. Thickness (mm) 0.8 0.8 0.8 1.0 1.2 note: carry out ins...

  • Page 280

    Ins-7 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter 4.2 installation of hkeu (206, 356, 356, 536) x indoor units disposal of an old air conditioner before disposing an old air conditioner, please make sure it is inoperative and carry out the disposal by adopting all saf...

  • Page 281

    Ins-8 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter safety instructions the user must never attempt to repair, install or perform special maintenance of system by himself. To carry out these operations in safety way, user must always contact authorized technical service...

  • Page 282

    Ins-9 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter installation • when installing, all possible countermeasures must be taken to avoid refrigerant leaks. If there is a high concentration of refrigerant gas in the room, oxygen lack may occur. • do not install the air co...

  • Page 283

    Ins-10 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter caution ! ! ! ! Do not use sprays near the air conditioner and do not spray anything towards the appliance. Do not expose plants or animals to direct airflow of air conditioner. Ventilate the room regularly while the ...

  • Page 284

    Ins-11 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter (1) selection of installation site for hkeu (206, 266, 356, 536) x indoor units n install indoor units in a place having the following requirements: - the fixing surface must be able to support the unit’s weight. - ma...

  • Page 285

    Ins-12 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter (3) fixing of installation plate the surface to which fixing plate will be installed must be installed must be perfectly vertical and as regular as possible. Once installation position of fixing plate has been selecte...

  • Page 286

    Ins-13 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter (5) disposal of pipings and cables a) right-rear and left-rear outlet of pipings: • take out refrigerant pipings and flexible drain hose from indoor unit and orient them properly according to installation needs. B) le...

  • Page 287

    Ins-14 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . .. . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. .. . . . . . . . . . . . . . . . . .. . .. . . . . . . . ...

  • Page 288

    Ins-15 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter keep in mind the following: 1. Wiring between each indoor unit and the outdoor unit, and of drain hose, must be taped togwther with refrigerant pipings, by using adhesive tape. 2. On outdoor unit, wiring and refrigera...

  • Page 289

    Ins-16 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter the connection of drain hose is on right side of each indoor unit only. If it is necessary to extend drain hose, use a pipe in semirigid plastic (pvc) of vp20 type, to buy separately. Connect the extension by using a ...

  • Page 290

    Ins-17 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter 1 2(n) s terminal block jx1 hcku 406 x2 outdoor units calibration of circuit breaker (a) section of power cables (mm 2 ) hcku 536 x2 12a 2.5 mm 2 hcku 606 x3 16a 4.0 mm 2 hcku 806 x3 20a 6.0 mm 2 hcku 706 x4 20a 6.0 m...

  • Page 291

    Ins-18 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter (10) definitive fixing of indoor units 1. Remove the spacer from indoor unit’s back. 2. Suspend each indoor unit to upper hooks of fixing plate and move unit left side and right side to check if it is properly fixed. ...

  • Page 292

    Ins-19 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter 4.3 installation of htfu (206, 356, 356, 536) x indoor units disposal of an old air conditioner before disposing an old air conditioner, please make sure it is inoperative and carry out the disposal by adopting all sa...

  • Page 293

    Ins-20 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter safety instructions the user must never attempt to repair, install or perform special maintenance of system by himself. To carry out these operations in safety way, user must always contact authorized technical servic...

  • Page 294

    Ins-21 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter installation • when installing, all possible countermeasures must be taken to avoid refrigerant leaks. If there is a high concentration of refrigerant gas in the room, oxygen lack may occur. • do not install the air c...

  • Page 295

    Ins-22 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter caution ! ! ! ! Do not use sprays near the air conditioner and do not spray anything towards the appliance. Do not expose plants or animals to direct airflow of air conditioner. Do not place anything in front of indoo...

  • Page 296

    Ins-23 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter (1) selection of installation site for htfu (206, 266, 356, 536) x indoor units n install indoor units in a place having the following requirements: - the fixing surface must be able to support the unit’s weight. - ma...

  • Page 297

    Ins-24 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter (2) transport of indoor unit 1. Decide the correct carry-in path. 2. Move this unit as originally packaged as possible. 3. If the air conditioner is installed on a metal part of the building, it must be electrically i...

  • Page 298

    Ins-25 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter brackets (Ø12mm) between each bar and contiguous bars, so as to make an external square structure. C) please adjust scrupulously indoor unit’s height, by intervention on lower hexangular nut of each threaded bar, so a...

  • Page 299

    Ins-26 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter (4.2) installation of decorative panel on indoor unit m for installation of decorative panel, a precise position is foreseen, which is shown further on. If this position is not observed, decorative panel cannot be ins...

  • Page 300

    Ins-27 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter c) temporarily fix the decorative panel to indoor unit’s body, by screwing for about 5 mm the 4 providec bolts m5 x 16, after inserting the corresponding washer on each bolt. D) horizontally adjust the position of the...

  • Page 301

    Ins-28 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter (4.3) reinstall the air inlet grille on the decorative panel m relocate the grille to the panel by side of clamps which allow the grille to sway. M connect the connector of flap motor to the corresponding connector fr...

  • Page 302

    Ins-29 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter metal supports insulating material slope higher than 1/100 air vent higher than specified trap the drain hose tip is in water the presence of air pockets generates noise slope higher than 1/100 vp-30 or wider diameter...

  • Page 303

    Ins-30 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter 1 2(n) s terminal block jx1 hcku 406 x2 outdoor units calibration of circuit breaker (a) section of power cables (mm 2 ) hcku 536 x2 12a 2.5 mm 2 hcku 606 x3 16a 4.0 mm 2 hcku 806 x3 20a 6.0 mm 2 hcku 706 x4 20a 6.0 m...

  • Page 304

    Ins-31 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter (10) test of system carry out automatic test procedure which is described in “section 1: general information ” of this service manual, or start the system’s indoor units normally (manual test) by using corresponding i...

  • Page 305

    Ins-32 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter 4.4 installation of hfiu (266, 356, 536) x indoor units disposal of an old air conditioner before disposing an old air conditioner, please make sure it is inoperative and carry out the disposal by adopting all safety ...

  • Page 306

    Ins-33 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter safety instructions the user must never attempt to repair, install or perform special maintenance of system by himself. To carry out these operations in safety way, user must always contact authorized technical servic...

  • Page 307

    Ins-34 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter installation • when installing, all possible countermeasures must be taken to avoid refrigerant leaks. If there is a high concentration of refrigerant gas in the room, oxygen lack may occur. • do not install the air c...

  • Page 308

    Ins-35 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter caution ! ! ! ! ! Do not use sprays near the air conditioner and do not spray anything towards the appliance. Do not expose plants or animals to direct airflow of air conditioner. Ventilate the room regularly while th...

  • Page 309

    Ins-36 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter 1. Selection of installation site & position 1.1 requirements for indoor unit’s installation 1) spaces for installation and maintenance must be available. 2) there must be no obstacles on indoor unit’s air outlet and ...

  • Page 310

    Ins-37 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter ■ ■ ■ ■ ■ 2. Installation of indoor unit 2.1 service spaces install the indoor unit in a place having the following requirements: suitable free spaces for installation and maintenance of unit must be available (see th...

  • Page 311

    Ins-38 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter ■ fix installation brackets to wall, by using screw anchors. ■ suspend indoor unit to installation brackets previously set. Unit’s bottom can be placed on the floor, as it is shown in the figure below, or it can be in...

  • Page 312

    Ins-39 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter 3. Connection of refrigerant pipings please check if splitting distance (also considering the number of bends on pipings) and splitting level distance between indoor units and the outdoor unit respect limitations indi...

  • Page 313

    Ins-40 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter 3.2 procedure for connection of refrigerant pipings caution: caution: connection of refrigerant pipings 3.3 flaring of refrigerant pipings: cut refrigerant pipings by using the special roller pipe cutter. Insert flare...

  • Page 314

    Ins-41 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter 3.4 carry out connection of refrigerant pipings, first on indoor unit then on outdoor unit. If a pipe bender is not available, please observe min. Radius of curvature shown on figure below. For tightening of flared nu...

  • Page 315

    Ins-42 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter 4. Drain piping 4.1 installation of drain pipe for indoor unit caution: 1) condensate drain piping must be properly insulated by close cells’ insulating material of suitable thickness, near connection point on indoor ...

  • Page 316

    Ins-43 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter 5. Wiring 5.1 general cautions 1) electric part of installation must be carried out in accordance with national and local current regulations as far as electric installation are concerned. 2) these systems require one...

  • Page 317

    Ins-44 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter 5) always use wire clamps on indoor units, to avoid that any traction applied to connection cables between indoor and outdoor units could be transmitted to terminal blocks’ contacts or to connectors. For proper use of...

  • Page 318

    Ins-45 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter 1 2(n) s terminal block jx1 hcku 406 x2 outdoor units calibration of circuit breaker (a) section of power cables (mm 2 ) hcku 536 x2 12a 2.5 mm 2 hcku 606 x3 16a 4.0 mm 2 hcku 806 x3 20a 6.0 mm 2 hcku 706 x4 20a 6.0 m...

  • Page 319

    Ins-46 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter 6. Test 1. Test procedure of system must be carried out only after installation has been completed in all its parts (electric part and refrigerant part). 2. Before carrying out the test, please check the following: • ...

  • Page 320

    Ins-47 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter 4.5 installation of hsfu (356, 536) x indoor units disposal of an old air conditioner before disposing an old air conditioner, please make sure it is inoperative and carry out the disposal by adopting all safety preca...

  • Page 321

    Ins-48 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter safety instructions the user must never attempt to repair, install or perform special maintenance of system by himself. To carry out these operations in safety way, user must always contact authorized technical servic...

  • Page 322

    Ins-49 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter installation • when installing, all possible countermeasures must be taken to avoid refrigerant leaks. If there is a high concentration of refrigerant gas in the room, oxygen lack may occur. • do not install the air c...

  • Page 323

    Ins-50 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter caution ! ! ! ! ! Do not use sprays near the air conditioner and do not spray anything towards the appliance. Do not expose plants or animals to direct airflow of air conditioner. Ventilate the room regularly while th...

  • Page 324

    Ins-51 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter 1. Selection of installation site & position 1.1 requirements for indoor unit’s installation 1) spaces for installation and maintenance must be available. 2) there must be no obstacles on indoor unit’s air outlet and ...

  • Page 325

    Ins-52 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter 2. Check of indoor unit after transport and following removal 1. “fragile”. Handle with care. Do not turn packaging upside down to avoid damages to panels. 2. Determine the easiest path for removing indoor unit to ins...

  • Page 326

    Ins-53 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter Ⴠ suitable spaces must be available, equal or wider as regards those indicated on the previous figure. Ⴠ if needed, strengthen the surface where fixing devices must be inserted. ႑ after choosing indoor unit’s installa...

  • Page 327

    Ins-54 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter 2. Wall installation of hsfu 356 x, 536 x indoor units fig. 3.2.7 1. As it is shown in fig. 3.2.8, install fixing brackets to wall by using screw anchors. 2. Suspend indoor unit to fixing brackets. 3. Ceiling installa...

  • Page 328

    Ins-55 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter fig. 3.2.10 2. Fix installation brackets on suspension threaded bolts (see fig. 3.2.11). Fig. 3.2.11 fig. 3.2.12 fig. 3.2.13 fix bolts on indoor unit to install brackets on unit’s body (see fig. 3.2.12). 3. Fix indoor...

  • Page 329

    Ins-56 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter unit: mm 907 200 203 > 20mm fig. 3.2.14 top view left side view.

  • Page 330

    Ins-57 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter 14.2 ᨺ 17.2 n•m (144 ᨺ 176 kgf•cm) 8.3 8.7 49.5 ᨺ 60.3 n•m (504 ᨺ 616 kgf•cm) 15.4 15.8 pipings’ diameter tightening torque dimension “a” (mm) min. Max. References for flaring Ø6.35(1/4”) Ø12.7(1/2”) 4. Connection of ...

  • Page 331

    Ins-58 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter 4.3 carry out connection of refrigerant pipings first on indoor unit, then on outdoor unit. Flare connections (gas side, liquid side) drain connection position of flare connections and of drain connection. If a pipe b...

  • Page 332

    Ins-59 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter 5. Drain piping 5.1 installation of drain pipe for indoor unit note (1): the figure below refers to ceiling installation note (2): the figure below refers to floor installation caution: 1) condensate drain piping must...

  • Page 333

    Ins-60 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter 6. Wiring 6.1 general cautions 6.2 access to terminal block of hsfu (356, 536) x indoor units 1) position of indoor unit’s electric box is shown in figure 6.2.1 below. 2) to reach electric box, first of all remove ind...

  • Page 334

    Ins-61 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter 1 2(n) s terminal block jx1 hcku 406 x2 outdoor units calibration of circuit breaker (a) section of power cables (mm 2 ) hcku 536 x2 12a 2.5 mm 2 hcku 606 x3 16a 4.0 mm 2 hcku 806 x3 20a 6.0 mm 2 hcku 706 x4 20a 6.0 m...

  • Page 335

    Ins-62 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter 7. Test 1. Test procedure of system must be carried out only after installation has been completed in all its parts (electric part and refrigerant part). 2. Before carrying out the test, please check the following: • ...

  • Page 336

    Ins-63 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter 4.6 installation of hrbu (206, 266, 356, 536) x indoor units disposal of an old air conditioner before disposing an old air conditioner, please make sure it is inoperative and carry out the disposal by adopting all sa...

  • Page 337

    Ins-64 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter safety instructions the user must never attempt to repair, install or perform special maintenance of system by himself. To carry out these operations in safety way, user must always contact authorized technical servic...

  • Page 338

    Ins-65 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter installation • when installing, all possible countermeasures must be taken to avoid refrigerant leaks. If there is a high concentration of refrigerant gas in the room, oxygen lack may occur. • do not install the air c...

  • Page 339

    Ins-66 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter caution ! ! ! ! ! Do not use sprays near the air conditioner and do not spray anything towards the appliance. Do not expose plants or animals to direct airflow of air conditioner. Do not place anything in front of ind...

  • Page 340

    Ins-67 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter 1. Selection of installation site & position 1.1 requirements for indoor unit’s installation 1) spaces for installation and maintenance must be available. 2) there must be no obstacles on indoor unit’s air outlet and ...

  • Page 341

    Ins-68 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter fig. 3.2.1 unit: mm refrigerant piping connections air outlet air inlet plenum view a >500mm >100mm 2. Check of indoor unit after transport and following removal 1. “fragile”. Handle with care. Do not turn packaging u...

  • Page 342

    Ins-69 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter duct >200mm >250mm air inlet grille view a air inlet plenum air outlet Ⴠ suitable spaces must be available, equal or wider as regards those indicated on the previous figure. Ⴠ if needed, strengthen the surface where f...

  • Page 343

    Ins-70 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter fig. 3.2.7 fig. 3.2.8 2. Suspension of indoor unit to threaded bars (m10) 3. Useful dimensions for installation ■ ■ ■ insert each threaded bar into the “u” slot on each suspension bearing of indoor unit. “u” shape all...

  • Page 344

    Ins-71 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter 4.1 air outlet grille caution: ■ adjust eventual louvers on air outlet grille properly, as it is shown in the figures below. If louvers’ adjustment is not correct, noise produced by operation of indoor unit may increa...

  • Page 345

    Ins-72 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter 4.2 installation of air outlet duct lenght of air outlet duct: ■ as these models are of low ducted type (about 10pa), it’s a good rule to reduce as much as possible the lenght of air outlet connection duct (max. 1-2m)...

  • Page 346

    Ins-73 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter 4.3 panel or air inlet grille of indoor unit installation of panel or air inlet grille: eventual installation of an air inlet plenum: installation of air inlet filter (polypropylene net type) provided with indoor unit...

  • Page 347

    Ins-74 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter the following table shows recommended dimensions for flares and tightening torques of flared nuts. 14.2 ᨺ 17.2 n•m (144 ᨺ 176 kgf•cm) 8.3 8.7 32.7 ᨺ 39.9 n•m (333 ᨺ 407 kgf•cm) 12.0 12.4 49.5 ᨺ 60.3 n•m (504 ᨺ 616 kgf...

  • Page 348

    Ins-75 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter 5.3 carry out connection of refrigerant pipings first on indoor unit, then on outdoor unit. If a pipe bender is not available, please observe min. Radius of curvature shown on figure below. For tightening of flared nu...

  • Page 349

    Ins-76 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter 1.5~2m heat insulator suitable slope downwards (> 1/50) suitable slope downwards (> 1/100) bearing higher than specified pipe must not be wavy splitting level distance: as much as possible (10cm or more) vp30 pipe (in...

  • Page 350

    Ins-77 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter 6.2 drain hose test 1) pour water inside drain piping, and check if it flows down properly. 2) take care that drain piping is not pressed along its path. 3) along piping path, there must be no portions with inverted s...

  • Page 351

    Ins-78 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter figure 7.2.1 l n s l n s position of indoor unit’s electric box. Electric box 7. Wiring 7.1 general cautions 7.2 access to terminal block of hrbu (206, 266, 356, 536) x indoor units 1) position of indoor unit’s electr...

  • Page 352

    Ins-79 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter indoor unit “a”, “b”, “c”, or “d” 1 2(n) s jx1 terminal block yellow / green connection of led display and ir receiver “plug” (= connector) for outdoor unit cn3 cn11 cn13 cn2 cn9 cn4 indoor unit’s pcb led display & ir...

  • Page 353

    Ins-80 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter power supply terminal block outdoor unit 1 2(n) • min. Section of cables (prewiring-up = 6m) between each indoor unit and the outdoor unit: - all models → 1.5mm 2. Indoor unit “a” indoor unit “b” indoor unit “c” indoo...

  • Page 354

    Ins-81 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter 8. Test 1. Test procedure of system must be carried out only after installation has been completed in all its parts (electric part and refrigerant part). 2. Before carrying out the test, please check the following: • ...

  • Page 355

    Ins-82 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter 4.7 installation of multi liberty dc inverter outdoor units 4.7 .1 accessories required for installation the following accessories must be available for outdoor unit’s installation: no. Appearance description quantity...

  • Page 356

    Ins-83 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter 1. When chased laying is carried out of refrigerant pipings, take care to seal the ends of these refrigerant lines, by pinching and welding them so as to protect them from infiltrations. 2. Check if chosen pipings hav...

  • Page 357

    Ins-84 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter more than 30 cm more than 60 cm • infrared remote controller bearing with screws st2.9x10-c-h for wall fixing l1 l2 • 60 x 60 cassette type indoor units • outdoor unit indoor unit “a” indoor unit “b” indoor unit “c” i...

  • Page 358

    Ins-85 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter more than 30 cm more than 60 cm • infrared remote controller bearing with screws st2.9x10-c-h for wall fixing l1 l2 • console type indoor units • outdoor unit indoor unit “a” indoor unit “b” indoor unit “c” indoor uni...

  • Page 359

    Ins-86 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter more than 30 cm more than 60 cm • infrared remote controller bearing with screws st2.9x10-c-h for wall fixing l1 l2 • floor / ceiling type indoor units • outdoor unit indoor unit “a” indoor unit “b” indoor unit “c” in...

  • Page 360

    Ins-87 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter more than 30 cm more than 60 cm • infrared remote controller bearing with screws st2.9x10-c-h for wall fixing l1 l2 • low ducted type indoor units • outdoor unit indoor unit “a” indoor unit “b” indoor unit “c” indoor ...

  • Page 361

    Ins-88 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter distances & splitting level distances item unit description measure liquid side gas side l1, l2 l standard piping connection diameter on outdoor unit piping connection diameter on outdoor unit splitting distance (on l...

  • Page 362

    Ins-89 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter item unit description measure l1, l2 l standard Ø6.35 (1/4”) Ø9.52 (3/8”) max. 15m 5m + 5m Ø6.35mm (1/4”) x 0.8mm i.U. 206 x, 266 x: Ø9.52mm (3/8”) x 0.8mm i.U. 356 x, 536 x: Ø12.7mm (1/2”) x 0.8mm hcku 536 x2 h1 h2 (...

  • Page 363

    Ins-90 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter item unit description measure l1, l2, l3 l standard Ø6.35 (1/4”) Ø9.52 (3/8”) max. 15m 5m + 5 m + 5m hcku 606 x3 h2 h1 h3 (example) indoor unit hkeu 266 x l1 l2 l3 m m h1, h2, h3 h1+h3, h2+h3 max. 10m m max. 5m (examp...

  • Page 364

    Ins-91 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter item unit description measure l1, l2, l3 l standard Ø6.35 (1/4”) Ø9.52 (3/8”) max. 15m 5m + 5 m + 5m hcku 806 x3 h2 h1 h3 (example) indoor unit hrbu 206 x l1 l2 l3 m m h1, h2, h3 h1+h3, h2+h3 max. 10m m max. 5m (examp...

  • Page 365

    Ins-92 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter item unit description measure l1, l2, l3, l4 l standard Ø6.35 (1/4”) Ø9.52 (3/8”) max. 15m 5m + 5m + 5m + 5m hcku 706 x4 h2 h1 h4 h3 l1 l4 l2 l3 m m h1, h2, h3, h4 h1-h2 (ecc.) max. 10m m max. 10m (example) indoor uni...

  • Page 366

    Ins-93 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter item unit description measure l1, l2, l3, l4 l standard Ø6.35 (1/4”) Ø9.52 (3/8”) max. 15m 5m + 5m + 5m + 5m hcku 816 x4 h2 h1 h4 h3 l1 l4 l2 l3 m m h1, h2, h3, h4 h1-h2 (ecc.) max. 10m m max. 10m (example) indoor uni...

  • Page 367

    Ins-94 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter item unit description measure l1, l2, l3, l4 l standard Ø6.35 (1/4”) Ø9.52 (3/8”) max. 15m 5m + 5m + 5m + 5m hcku 1066 x4 h2 h1 h4 h3 l1 l4 l2 l3 m m h1, h2, h3, h4 h1-h2 (ecc.) max. 10m m max. 10m (example) indoor un...

  • Page 368

    Ins-95 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter • always apply refrigerant oil on flares’ back and on flared nut’s inner side, before tightening flared nuts. This will assure seal of connections. • always use a pipe bender for bending pipings, and take care that ra...

  • Page 369

    Ins-96 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter • this accessory, provided with the outdoor unit, allows the connection of a piping for condensate or defrosting water. 1) install the provided washer on drain elbow. 2) insert drain elbow - together with its washer -...

  • Page 370

    Ins-97 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter 4.7.20 opening/closing of service valves on outdoor unit recommended tightening torque (n•m) 5.4 ᨺ 5 . 3 1 6 . 6 ᨺ 16.5 8.1 ᨺ 9.9 18 ᨺ 22 13.5 ᨺ 16.5 23 ᨺ 27 27 ᨺ 33 36 ᨺ 44 11.5 ᨺ 13.9 caution: for connection of chec...

  • Page 371

    Ins-98 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter 4.7.22 additional charge of r410a refrigerant caution: 4.7.21 use of vacuum pump (separately, on circuit of each connected indoor unit) 1) screw and remove protective nuts of service valves “g” and “l” and connect to ...

  • Page 372

    Ins-99 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter electrical work must be carried out by authorized technical service, that works in accordance with current national and local regulations. 1. Power supply line must be for system only. A circuit breaker must be instal...

  • Page 373

    Ins-100 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter 1 2(n) s terminal block jx1 hcku 406 x2 outdoor units calibration of circuit breaker (a) section of power cables (mm 2 ) hcku 536 x2 12a 2.5 mm 2 hcku 606 x3 16a 4.0 mm 2 hcku 806 x3 20a 6.0 mm 2 hcku 706 x4 20a 6.0 ...

  • Page 374

    Ins-101 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter (by dedicated connectors (units “a”, “b”, “c”, “d”) for “plug”, on outdoor unit) “plug” cable for connection between indoor units & outdoor unit multi liberty dc inverter 1 50±5(×4) 3 2 3 pin of “plug” connector: 1 =...

  • Page 375

    Ins-102 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter (by dedicated connectors (units “a”, “b”, “c”, “d”) for “plug”, on outdoor unit) wiring between indoor units & outdoor units multi liberty dc inverter note: the abo ve diagram ref ers to outdoor unit hcku 706 x4 (4 i...

  • Page 376

    Ins-103 dual, triple, poker dc inverter : 4. Installation multi liberty dc inverter 4.7.24 final checks & test 1. Test procedure of system must be carried out only after installation has been completed in all its parts (electric part and refrigerant part). 2. Before carrying out the test, please che...

  • Page 377: Section 5: Control Functions

    Dual, triple, poker dc inverter : 3. Unità esterne e diagnostica multi liberty dc inverter cf-1 dual, triple, poker dc inverter : 5. Funzioni logiche di controllo multi liberty dc inverter section 5: control functions table of contents 5. Control functions...............................................

  • Page 378: 5. Control Functions

    Cf-2 dual, triple, poker dc inverter : 5. Control functions multi liberty dc inverter 5. Control functions 5.1 specifications of power supply & power input of some components 5.1.1 power supply voltage range: 175~254v. 5.1.2 power supply frequency: 50 hz. 5.1.3 power input of indoor fan motor in nor...

  • Page 379

    Cf-3 dual, triple, poker dc inverter : 5. Control functions multi liberty dc inverter “turbo” indication lamp digital display indication lamp displays the current setting temperature when the air conditioner is in operation. Turbo “fan speed” indication lamp displays the selected fan speed - auto : ...

  • Page 380

    Cf-4 dual, triple, poker dc inverter : 5. Control functions multi liberty dc inverter alarm led the led flashes when the level in the water condensate pan exceeds the operation limit. This also makes the compressor stop, till the condensate drain pump has eliminated the surplus water. Manual button ...

  • Page 381

    Cf-5 dual, triple, poker dc inverter : 5. Control functions multi liberty dc inverter • outline of display panel on floor/ceiling type indoor units (hsfu x) multi liberty manual alarm def./fan timer operation 1 3 4 5 6 2 operation led when indoor unit is powered, this indicator starts flashing. The ...

  • Page 382

    Cf-6 dual, triple, poker dc inverter : 5. Control functions multi liberty dc inverter 4 5 pre-def. Led (preheating/defrosting) manual button (emergency/test) to start the air conditioner in automatic mode when the remote controller is not available, and to start the test mode in cooling operation. I...

  • Page 383

    Cf-7 dual, triple, poker dc inverter : 5. Control functions multi liberty dc inverter 5.3 2-digit led display on outdoor unit’s pcb 5.3.1 on outdoor unit’s main pcb, there is a 2-digit led display which is able to show a series of information (see below and further on), as for example: 1. In stand-b...

  • Page 384

    Cf-8 dual, triple, poker dc inverter : 5. Control functions multi liberty dc inverter 5.4.2 operation frequency of compressor (when compressor is operating) 5.4.3 operation mode of outdoor unit (if sw1 is pressed for the 2nd time) additional notes type of displayed parameter outdoor air temperature ...

  • Page 385

    Cf-9 dual, triple, poker dc inverter : 5. Control functions multi liberty dc inverter 5.4.4 capacity required by indoor units, after correction (if sw1 is pressed for the 3rd time) 5.4.5 number of connected indoor units (when system is in stand-by) 5.4.6 outdoor air temperature (when sw1 is pressed ...

  • Page 386

    Cf-10 dual, triple, poker dc inverter : 5. Control functions multi liberty dc inverter 5.4.7 exv open angle for indoor unit #1 (unit “a”). This parameter is displayed after that sw1 has been pressed for the 13th time. The displayed value, multiplied x 8, gives the actual value of exv open angle. 5.4...

  • Page 387

    Cf-11 dual, triple, poker dc inverter : 5. Control functions multi liberty dc inverter 5.5 integrated functions of troubleshooting and protection 5.5.1 3-minute delay protection (delayed start of compressor) it consists in delayed restart of compressor: in case a compressor stop followed by a restar...

  • Page 388

    Cf-12 dual, triple, poker dc inverter : 5. Control functions multi liberty dc inverter 5.5.4 thermal protection on compressor [excluded models hcku 816 x4 & hcku 1066 x4] if temperature detected on compressor is too high (more than 120°c), and therefore protection device against overcharge has inter...

  • Page 389

    Cf-13 dual, triple, poker dc inverter : 5. Control functions multi liberty dc inverter 5.5.8 error in the transmission of data sequences along signal line [hkeu x multi liberty only] if the transmission of signals between hkeu x indoor unit and the outdoor unit does not occur properly for 4 minutes,...

  • Page 390

    Cf-14 dual, triple, poker dc inverter : 5. Control functions multi liberty dc inverter 5.5.10 communication error between indoor unit ↔ outdoor unit if for max. 2 minutes one indoor unit does not receive any return signal by outdoor unit, the corresponding malfunction indication will be shown on ind...

  • Page 391

    Cf-15 dual, triple, poker dc inverter : 5. Control functions multi liberty dc inverter 5.5.15 oil heater of compressor outline of function. By an electric resistance placed at the bottom of compressor, compressor oil is pre-heated and refrigerant eventually mixed to oil is vaporized. Conditions for ...

  • Page 392

    Cf-16 dual, triple, poker dc inverter : 5. Control functions multi liberty dc inverter 5.6.2 automatic control of fan speed (hkeu x, htfu x, hsfu x, hrbu x models) in fan mode (“fan”). This function is illustrated in the following diagram. Briefly, according to changes of temperature detected inside...

  • Page 393

    Cf-17 dual, triple, poker dc inverter : 5. Control functions multi liberty dc inverter 5.7.3 antifrost prevention control of indoor unit’s heat exchanger, in cooling mode the intervention of protection causes the compressor stop (off), if the condition shown in the following table occurs. 5.8 operat...

  • Page 394

    Cf-18 dual, triple, poker dc inverter : 5. Control functions multi liberty dc inverter 5.8.2 protection in case of low temperature inside the room if temperature (t1) inside the room is lower than 10°c, indoor fan is stopped and normal operation will be restored only after room temperature has reach...

  • Page 395

    Cf-19 dual, triple, poker dc inverter : 5. Control functions multi liberty dc inverter 5.9.2 automatic control of fan speed, in heating mode if “auto” mode is selected, indoor fan speed is automatically selected by control electronics, according to the difference between temperature (1) detected ins...

  • Page 396

    Cf-20 dual, triple, poker dc inverter : 5. Control functions multi liberty dc inverter 5.9.3 indoor heat exchanger overtemperature control, in heating mode the following tables show the conditions and intervention modes of protection and the restoring conditions when the protection intervention ends...

  • Page 397

    Cf-21 dual, triple, poker dc inverter : 5. Control functions multi liberty dc inverter 5.10 automatic defrosting (during operation in heating mode) 5.10.1 conditions for start of automatic defrosting automatic defrosting starts when outdoor unit’s heat exchanger temperature (t4) has been lower than ...

  • Page 398

    Cf-22 dual, triple, poker dc inverter : 5. Control functions multi liberty dc inverter 5.12 operation by emergency/test button r hkeu x models (auto/cool button) 5.12.1 emergency operation in “auto” mode: if remote control is not available or batteries are exhausted, it is possible to operate the ai...

  • Page 399

    Cf-23 dual, triple, poker dc inverter : 5. Control functions multi liberty dc inverter r htfu x models (“manual” button) 5.12.4 emergency operation in “auto” mode: if remote control is not available or batteries are exhausted, it is possible to operate the air conditioner by pressing “manual” button...

  • Page 400

    Cf-24 dual, triple, poker dc inverter : 5. Control functions multi liberty dc inverter by pressing “manual” button once when system is off. In this way, emergency operation in “auto” (automatic) mode will be started, and the air conditioner will operate in the most suitable mode according to room te...

  • Page 401

    Cf-25 dual, triple, poker dc inverter : 5. Control functions multi liberty dc inverter 5.13.2 programmed settings follow a simple timer, as remote control has no current time setting function (real time clock). 5.13.3 “timer on” function. When system is off, it will be restarted (on) after programme...

  • Page 402

    Cf-26 dual, triple, poker dc inverter : 5. Control functions multi liberty dc inverter 5.13.15 “timer on” function. When system is stopped (off), it will be restarted (on) after programmed set time has elapsed. 5.13.16 “timer off” function. When system is on, it will be stopped (off) after programme...

  • Page 403

    Cf-27 dual, triple, poker dc inverter : 5. Control functions multi liberty dc inverter every hour. At the end of this time, operation goes on for 5 hours with constant set temperature, and indoor fan speed is set to “low”. After 7 hours since “sleep” function was selected, indoor unit automatically ...

  • Page 404

    Cf-28 dual, triple, poker dc inverter : 5. Control functions multi liberty dc inverter mode. It can be activated by the special button (“powerful”) on ir remote control provided with this models of indoor unit. 5.16.2 indoor fan speed is set to “s-hi” (“super-high”) or to “u-hi” (“ultra-high”), that...

  • Page 405

    Cf-29 dual, triple, poker dc inverter : 5. Control functions multi liberty dc inverter 5.19 automatic auto-restart after a blackout 5.19.1 this function requires the presence of a special restart module, which is pre-installed on indoor units of these systems. As it has already been shown, (see “sec...

  • Page 406

    Cf-30 dual, triple, poker dc inverter : 5. Control functions multi liberty dc inverter 5.20 troubleshooting functions of system’s malfunctions 5.20.1 the codified indications referred to malfunctions or to protection functions’ interventions of indoor and outdoor units of each system are shown in “s...

  • Page 407

    Notes-1 dual, triple, poker dc inverter : notes multi liberty dc inverter notes.

  • Page 408

    Notes-2 dual, triple, poker dc inverter : notes multi liberty dc inverter notes.

  • Page 409

    Notes-3 dual, triple, poker dc inverter : notes multi liberty dc inverter notes.

  • Page 410: Hokkaido Srl

    Due to on-going technological development of products by manufacturer, we reserve the right to vary the technical specifications at any time without notice. Hokkaido srl 14, via della salute - 40132 bologna - italy tel. +39.051.41.33.111 fax +39.051.41.33.146 www.Hokkaido.It multi liberty dc inverte...