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Panasonic CS-S12MKQ Service Manual

Other manuals for CS-S12MKQ: Operating Instructions Manual

Summary of CS-S12MKQ

  • Page 1

    © panasonic ha air-conditioning (m) sdn. Bhd. 2010. Unauthorized copying and distribution is a violation of law. Order no: phaam1012009c3 indoor unit outdoor unit cs-s9mkq cs-s12mkq cs-s18mkq cs-s24mkq cs-s28mkq cu-s9mkq cu-s12mkq cu-s18mkq cu-s24mkq cu-s28mkq precaution of low temperature in order ...

  • Page 2: Table of Contents

    2 table of contents 1. Safety precautions .............................................3 2. Specification .......................................................5 3. Location of controls and components..........11 3.1 indoor unit ..................................................11 3.2 outdoor unit ...

  • Page 3: 1. Safety Precautions

    3 caution warning warning 1. Safety precautions • read the following “safety precautions” carefully before perform any servicing. • electrical work must be installed or serviced by a licensed electrician. Be sure to use the correct rating of the power plug and main circuit for the model installed. •...

  • Page 4

    4 caution 19. During installation, install the refrigerant piping properly before run the compressor. (operation of compressor without fixing refrigeration piping and valves at opened condition will cause suck-in of air, abnormal high pressure in refrigeration cycle and result in explosion, injury e...

  • Page 5: 2. Specification

    5 2. Specification indoor cs-s9mkq cs-s12mkq model outdoor cu-s9mkq cu-s12mkq performance test condition jis jis phase, hz single, 60 single, 60 power supply v 220 230 220 230 min. Mid. Max. Min. Mid. Max. Min. Mid. Max. Min. Mid. Max. Kw 0.84 2.65 3.20 0.84 2.65 3.20 0.92 3.23 4.00 0.92 3.23 4.00 b...

  • Page 6

    6 height(i/d / o/d) mm (inch) 290 (11-7/16) 510 (20-3/32) 290 (11-7/16) 540 (21-9/32) width (i/d / o/d) mm (inch) 870 (34-9/32) 650 (25-19/32) 870 (34-9/32) 780 (30-23/32) dimension depth (i/d / o/d) mm (inch) 204 (8-1/16) 230 (9-1/16) 204 (8-1/16) 289 (11-13/32) weight net (i/d / o/d) kg (lb) 9 (20...

  • Page 7

    7 indoor cs-s18mkq cs-s24mkq model outdoor cu-s18mkq cu-s24mkq performance test condition jis jis phase, hz single, 60 single, 60 power supply v 220 230 220 230 min. Mid. Max. Min. Mid. Max. Min. Mid. Max. Min. Mid. Max. Kw 1.10 5.20 6.00 1.10 5.20 6.00 1.12 6.00 7.10 1.12 6.00 7.10 btu/h 3750 17700...

  • Page 8

    8 height(i/d / o/d) mm (inch) 290 (11-7/16) 695 (27-3/8) 290 (11-7/16) 695 (27-3/8) width (i/d / o/d) mm (inch) 1070 (42-5/32) 875 (34-15/32) 1070 (42-5/32) 875 (34-15/32) dimension depth (i/d / o/d) mm (inch) 235 (9-9/32) 320 (12-5/8) 235 (9-9/32) 320 (12-5/8) weight net (i/d / o/d) kg (lb) 12 (26)...

  • Page 9

    9 indoor cs-s28mkq model outdoor cu-s28mkq performance test condition jis phase, hz single, 60 power supply v 220 230 min. Mid. Max. Min. Mid. Max. Kw 1.15 7.80 8.40 1.15 7.80 8.40 btu/h 3920 26600 28600 3920 26600 28600 capacity kj/h 4140 28080 30240 4140 28080 30240 running current a - 12.6 - - 12...

  • Page 10

    10 control device capillary tube refrigerant oil cm 3 fv50s (800) refrigeration cycle refrigerant type g (oz) r410a, 1.65k (58.2) height(i/d / o/d) mm (inch) 290 (11-7/16) 795 (31-5/16) width (i/d / o/d) mm (inch) 1070 (42-5/32) 875 (34-15/32) dimension depth (i/d / o/d) mm (inch) 235 (9-9/32) 320 (...

  • Page 11

    11 3. Location of controls and components 3.1 indoor unit 3.2 outdoor unit 3.3 remote control.

  • Page 12: 4. Dimensions

    12 4. Dimensions 4.1 indoor unit 4.1.1 cs-s9mkq cs-s12mkq relative position between the indoor unit and the installation plate unit : mm right piping hole left piping hole 16.5 548 26 4. 2 16 4 128 128 360 870 125 204 115 60 1~2 1~2 61 45 60 (41 ~ 61) gas side liquid side air intake direction air ou...

  • Page 13

    13 4.1.2 cs-s18mkq cs-s24mkq cs-s28mkq relative position between the indoor unit and the installation plate left piping hole 16.5 26 4. 3 128 128 1070 235 61 45 125 60 indoor unit external dimensions line installation plate 360 748 (41 ~ 61) 29 0 air intake direction air outlet direction left ping h...

  • Page 14

    14 4.2 outdoor unit 4.2.1 cu-s9mkq 4.2.2 cu-s12mkq space necessary for installation anchor bolt pitch 261 x 474 18 (650) 88 474 88 79 134 261 293 736 (18) 70 131 51 0 12 15 230 3-way valve at gas side (low pressure) 2-way valve at liquid side (high pressure) 10 cm unit: mm 10 cm 100 cm.

  • Page 15

    15 4.2.3 cu-s18mkq cu-s24mkq.

  • Page 16

    16 4.2.4 cu-s28mkq.

  • Page 17

    17 5. Refrigeration cycle diagram 5.1 cs-s9mkq cu-s9mkq cs-s12mkq cu-s12mkq.

  • Page 18

    18 5.2 cs-s18mkq cu-s18mkq cs-s24mkq cu-s24mkq cs-s28mkq cu-s28mkq.

  • Page 19: 6. Block Diagram

    19 6. Block diagram 6.1 cs-s9mkq cu-s9mkq.

  • Page 20

    20 6.2 cs-s12mkq cu-s12mkq.

  • Page 21

    21 6.3 cs-s18mkq cu-s18mkq cs-s24mkq cu-s24mkq.

  • Page 22

    22 6.4 cs-s28mkq cu-s28mkq.

  • Page 23

    23 7. Wiring connection diagram 7.1 indoor unit 7.1.1 cs-s9mkq cs-s12mkq cn -f b 1 3 f u se30 1 t 3 .1 5a l25 0v ry -p wr y/ g y/ g te m p . Fu s e 102 °c ( 3 a) electronic controller (p ower supply) electronic controller (mai n) evapor a t o r fa n mo t o r 3 ac 304 (r e d ) ac 303 (wh t ) g301 (g ...

  • Page 24

    24 7.1.2 cs-s18mkq cs-s24mkq cn -d a t a 1 (y l w ) fa n m o t o r cn -fm y 7 6 5 4 1 b w bl r m f u se301 t 3 .15a l25 0v ry -p w r ele c tronic co ntr o ll er (power s u pp ly) ac 3 0 4 (re d ) ac 3 0 3 (w h t ) g 301 (g r n ) l p ele c tronic co ntr o ll er (main) cn -di s p 1 (y l w ) cn -di s p...

  • Page 25

    25 7.1.3 cs-s28mkq cn -d a t a 1 (y l w ) fa n m o t o r cn -fm y 7 6 5 4 1 b w bl r m f u se301 t 3 .15a l25 0v ele c tronic co ntr o ll er (power s u pp ly) ac 3 0 4 (re d ) ac 3 0 6 (b l k ) ac 3 0 3 (w h t ) g 301 (g r n ) ele c tronic co ntr o ll er (main) cn -di s p 1 (y l w ) cn -di s p 2 (y ...

  • Page 26

    26 7.2 outdoor unit 7.2.1 cu-s9mkq red (red) trade mark blue (blu) yellow (ylw) comp. Terminal resistance of compressor windings model cu-s9mkq connection 5rs092xce21 u-v 1.152Ω u-w 1.152Ω v-w 1.152Ω.

  • Page 27

    27 7.2.2 cu-s12mkq terminal board to indoor unit compressor fan motor sensor complete outdoor air temp. Sensor (thermistor) piping temp. Sensor (thermistor) 1 2 3 4 cn-th (wht) t 0 t 0 ac-wht (wht) fg1 (grn) fg2 (grn) grn blk wht grn ac-blk (blk) data (red) red gry rat2 gry rat1 reactor red blu ylw ...

  • Page 28

    28 7.2.3 cu-s18mkq cu-s24mkq 5 1 terminal board to indoor unit compressor sensor complete outdoor air temp. Sensor (thermistor) piping temp. Sensor (thermistor) 1 2 3 4 cn-th1 (wht) t 0 t 0 ac-wht (wht) cn-acfm (wht) fg1 (grn) grn blk wh t ac-blk (blk) com3 (red) red gry l2-1 gry l2-0 reactor red bl...

  • Page 29

    29 7.2.4 cu-s28mkq ylw (w) (trademark) (referto terminal cover for wire inse rt) compressorterminal red (u) blu (v) remarks blu : blue blk : black wht: white red: red ylw : yellow gry: gray grn: green org: orange y/g : yellow/green grn gry blk gry blk gry ct blk fg1 lf1 l2-1 th1 th2 ptc1 db3 p n u v...

  • Page 30

    30 8. Electronic circuit diagram 8.1 indoor unit 8.1.1 cs-s9mkq cs-s12mkq f u s e 301 t 3. 1 5a l2 50 v ry- p w r el ect ro nic c on tr ol le r (p ow er m od ule ) fan m o to r ac3 04 (r e d ) ac3 03 (w h t ) g3 0 1 (g rn) l p rect if ic at io n ci rc ui t c o m m uni cat io n ci rcu it cn- pcf m y ...

  • Page 31

    31 8.1.2 cs-s18mkq cs-s24mkq el ec tr on ic c on tr ol le r (p ow er m od ule ) 3 2 1 3 2 1 5v re ce iv er + r3 01 c3 01 ic 30 1 m ain el ec tr on ic co nt ro ll er 1 2 3 4 6 7 8 9 10 1 2 3 4 5 6 5 6 7 8 9 10 11 1 2 3 4 5 *c n- rc v 3 2 1 3 4 2 1 5v _3 5v _1 se ns o r2 pc b401 re m ot e co nt ro l c...

  • Page 32

    32 8.1.3 cs-s28mkq el ec tr on ic c ont rol le r (p ow er m odule ) 3 2 1 3 2 1 5v re ce iv er + r3 01 c301 ic 30 1 m ai n el ect ro ni c co nt ro ll er 1 2 3 4 6 7 8 9 10 1 2 3 4 5 6 5 6 7 8 9 10 11 1 2 3 4 5 *c n- rc v 3 2 1 3 4 2 1 5v _3 5v _1 senso r2 pc b4 01 re m ot e co nt ro l cn -r cv cn -m...

  • Page 33

    33 8.2 outdoor unit 8.2.1 cu-s9mkq.

  • Page 34

    34 8.2.2 cu-s12mkq terminal board to indoor unit compressor fan motor ac-wht (wht) fg1 (grn) fg2 (grn) grn blk wh t grn ac-blk (blk) data (red) red gry rat2 gry rat1 reactor red blu ylw (red) fuse103 t3.15a l250v (blu) (ylw) u v w ms 3 ~ p n switching power supply circuit rectification circuit fuse1...

  • Page 35

    35 8.2.3 cu-s18mkq cu-s24mkq terminal board to indoor unit ac-wht (wht) cn-acfm (wht) fg1 (grn) grn bl k wht ac-blk (blk) com3 (red) red gry l2-1 gry l2-0 reactor (red) fuse1 t3.15a l250v (blu) (ylw) u v w p n rectification circuit fuse2 t3.15a l250v fan motor circuit fuse3 (20a 250v) 3 (red) 2 (whi...

  • Page 36

    36 8.2.4 cu-s28mkq 5v grn gry blk gry blk gry ct blk fg1 lf1 l2-1 th1 th2 ptc1 db3 p n u v w db1 red blu ylw ptc2 ssr1 ssr l2-0 acn1 control board (noise filter) control board (main) acl1 fuse3 (250v, 25a) fuse2 t3.15a l250v fuse1 t2.5a l250v lf2 pc9 4 c e b 3 2 1 1 2 2 1 4 3 2 1 1 1 3 5 1 2 3 4 5 1...

  • Page 37: 9. Printed Circuit Board

    37 9. Printed circuit board 9.1 indoor unit 9.1.1 main printed circuit board.

  • Page 38

    38 9.1.2 power printed circuit board 9.1.2.1 cs-s9mk cs-s12mk 9.1.2.2 cs-s18mk cs-s24mk.

  • Page 39

    39 9.1.3 indicator printed circuit board 9.1.4 receiver printed circuit board 9.1.5 high voltage power supply printed circuit board gnd cn1 hv (+) hv (-).

  • Page 40

    40 9.1.6 comparator printed circuit board 9.1.7 human activity sensor printed circuit board.

  • Page 41

    41 9.2 outdoor unit 9.2.1 main printed circuit board 9.2.1.1 cu-s9mk.

  • Page 42

    42 9.2.1.2 cu-s12mk.

  • Page 43

    43 9.2.1.3 cu-s18mk cu-s24mk.

  • Page 44

    44 9.2.1.4 cu-s28mk.

  • Page 45

    45 9.2.2 noise filter printed circuit board 9.2.2.1 cu-s9mkq.

  • Page 46: 10. Installation

    46 10. Installation instruction 10.1 select the best location 10.1.1 indoor unit • do not install the unit in excessive oil fume area such as kitchen, workshop and etc. • there should not be any heat source or steam near the unit. • there should not be any obstacles blocking the air circulation. • a...

  • Page 47

    47 10.1.4 how to fix installation plate the mounting wall shall be strong and solid enough to prevent if from the vibration. Dimension model ○ 1 ○ 2 ○ 3 ○ 4 ○ 5 ○ 6 s9***, s12*** 485mm 82mm 165mm 158mm 93mm 145mm s18***, s24*** 585mm 82mm 165mm 158mm 219mm 269mm the centre of installation plate shou...

  • Page 48

    48 10.1.6 indoor unit installation 10.1.6.1 for the right rear piping 10.1.6.2 for the right and right bottom piping 10.1.6.3 for the embedded piping (this can be used for left rear piping and bottom piping also.).

  • Page 49

    49 10.1.7 connect the cable to the indoor unit 1 the inside and outside connection cable can be connected without removing the front grille. 2 connection cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed 4 x 1.5 mm 2 (1.0 ~ 1.5hp) or 4 x 2.5 mm 2 (2.0 ~ 2.5hp) fle...

  • Page 50

    50 • secure the connection cable onto the control board with the holder. • ensure the colour of wires of outdoor unit and the terminal nos. Are the same to the indoor’s respectively. • earth wire shall be yellow/green (y/g) in colour and longer than the other ac wires for safety reason. 10.1.8 wire ...

  • Page 51

    51 10.2 outdoor unit 10.2.1 install the outdoor unit • after selecting the best location, start installation according to indoor/outdoor unit installation diagram. 1 fix the unit on concrete or rigid frame firmly and horizontally by bolt nut (ø10mm). 2 when installing at roof, please consider strong...

  • Page 52

    52 10.2.3 evacuation of the equipment 1 connect a charging hose with a push pin to the low side of a charging set and the service port of the 3-way valve. O be sure to connect the end of the charging hose with the push pin to the service port. 2 connect the center hose of the charging set to a vacuu...

  • Page 53

    53 10.2.4 connect the cable to the outdoor unit 1 remove the control board cover from the unit by loosening the screw. 2 connection cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed 4 x 1.5mm 2 (1.0~1. 5hp) or 4 x 2.5mm 2 (2.0~2.5hp) flexible cord, type designatio...

  • Page 54: 11. Installation

    54 11. Installation instruction 11.1 select the best location (for s28mkq only) 11.1.1 indoor unit • do not install the unit in excessive oil fume area such as kitchen, workshop and etc. • there should not be any heat source or steam near the unit. • there should not be any obstacles blocking the ai...

  • Page 55

    55 11.1.4 how to fix installation plate the mounting wall shall be strong and solid enough to prevent if from the vibration. Dimension model ○ 1 ○ 2 ○ 3 ○ 4 ○ 5 ○ 6 s28*** 585mm 82mm 165mm 158mm 219mm 269mm the centre of installation plate should be at more than ○ 1 at right and left of the wall. Th...

  • Page 56

    56 11.1.6 indoor unit installation 11.1.6.1 for the right rear piping 11.1.6.2 for the right and right bottom piping 11.1.6.3 for the embedded piping (this can be used for left rear piping and bottom piping also.).

  • Page 57

    57 11.1.7 connect the cable to the indoor unit 1 the inside and outside connection cable can be connected without removing the front grille. 2 connection cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed 4 x 1.5 mm 2 flexible cord, type designation 245 iec 57 or h...

  • Page 58

    58 5 secure the connection cable onto the control board with the holder (clamper). • ensure the colour of wires of outdoor unit and the terminal nos. Are the same to the indoor’s respectively. • earth wire shall be yellow/green (y/g) in colour and longer than the other ac wires for safety reason. 11...

  • Page 59

    59 11.2 outdoor unit 11.2.1 install the outdoor unit • after selecting the best location, start installation according to indoor/outdoor unit installation diagram. 1 fix the unit on concrete or rigid frame firmly and horizontally by bolt nut (ø10mm). 2 when installing at roof, please consider strong...

  • Page 60

    60 11.2.3 evacuation of the equipment 1 connect a charging hose with a push pin to the low side of a charging set and the service port of the 3-way valve. O be sure to connect the end of the charging hose with the push pin to the service port. 2 connect the center hose of the charging set to a vacuu...

  • Page 61

    61 11.2.4 connect the cable to the outdoor unit 1 remove the control board cover from the unit by loosening the screw. 2 cable connection to the power supply through isolating devices (disconnecting means). O connect the approved polychloroprene sheathed power supply cord 3 x 4.0 mm 2 (3.0hp) type d...

  • Page 62: 12. Operation

    62 12. Operation control 12.1 basic function inverter control, which equipped with a microcomputer in determining the most suitable operation mode as time passes, automatically adjusts output power for maximum comfort always. In order to achieve the suitable operation mode, the microcomputer maintai...

  • Page 63

    63 12.2 indoor fan motor operation 12.2.1 basic rotation speed • manual fan speed o fan motor’s number of rotation is determined according to remote control setting. Remote control ○ ○ ○ ○ ○ tab hi me+ me me- lo • auto fan speed o according to room temperature and setting temperature, indoor fan spe...

  • Page 64

    64 12.5 airflow direction • there are two types of airflow, vertical airflow (directed by horizontal vane) and horizontal airflow (directed by vertical vanes). • control of airflow direction can be automatic (angles of direction is determined by operation mode, heat exchanger temperature and intake ...

  • Page 65

    65 12.6 quiet operation (cooling mode/cooling area of dry mode) • purpose o to provide quiet cooling operation compare to normal operation. • control condition o quiet operation start condition when quiet button at remote control is pressed quiet indicator illuminates. O quiet operation stop conditi...

  • Page 66

    66 12.8 timer control • there are 2 sets of on and off timer is available to turn the unit on or off at different preset time. • if more than one timer had been set, the upcoming timer will be display and will activated in sequence. 12.8.1 on timer control on timer 1 and on timer 2 can be set using ...

  • Page 67

    67 12.11 patrol operation • to monitor air dirtiness level by using patrol sensor and to maintain air freshness by activates e-ion operation • patrol operation starts condition o when the unit operation is started with “off/on” button o when the unit stops, “patrol” operation is selected, patrol ind...

  • Page 68

    68 • patrol sensor control o first 2 minutes from patrol function activates is stabilization time, during stabilization time, no air dirtiness level is monitored. The air dirtiness level is set to clean, patrol led turns blue color. O after that, patrol sensor starts to record the resistance value a...

  • Page 69

    69 • airflow direction (horizontal, vertical) control o during any operation mode combines with patrol operation, airflow direction follows respective operation mode. O during patrol individual operation if e-ion starts, only auto air swing is allowed. Even if “air swing” button is pressed, no signa...

  • Page 70

    70 • patrol operation demo mode o patrol operation demo mode start condition press “set” button continuously for 15 seconds by using pointer during air conditioner is off condition to enter internal setting mode. Press “timer decrement" button to select “pt demo”. Press “timer set” button to toggle ...

  • Page 71

    71 12.12 e-ion operation • this operation provides clean air by producing negative ions to attract dust captured at the positively charged active e-ion filters. • e-ion operation start condition o during unit running at any operation mode, if “e-ion” operation is selected, combination operation (ope...

  • Page 72

    72 • e-ion check mode o e-ion abnormality check mode o purpose is to improve sensor serviceability when sensor is malfunction. (1) control starting condition when all of the conditions are formed not in patrol demo mode. E-ion operation on. When e-ion check mode signal is received; the procedure of ...

  • Page 73

    73 • error detection control when e-ion indicator blink, it indicates error listed below: o active e-ion air purifying system pcb main connector open: judgment method • during e-ion operation (include during patrol operation), active e-ion air purifying system main connector to pcb is opened. Troubl...

  • Page 74

    74 12.14 auto comfort and eco navi operation • area of human availability, activity level and absent is judged based on pulses by using 2 infrared sensors. The internal setting temperature shift, fan speed and horizontal airflow direction are adjusted in order to provide comfort environment while ma...

  • Page 75

    75 12.14.1 signal detection 7m 120º a b c 2m 7m • human activity sensor will turns on according to infrared sensors signal detection. Signal detection human activity indicator sensor 1 sensor 2 possible detected human position area left center right 1 0 c ■ ■ □ 0 1 a □ ■ ■ b ■ □ ■ a & c ■ □ ■ b & c ...

  • Page 76

    76 12.14.7 setting position judgment • according to installation position when there is only one activity area detected, the horizontal airflow direction louver position is fixed according to chart below: horizontal airflow direction louver position target area left installation center installation ...

  • Page 77

    77 12.14.9 eco navi and auto comf demo mode • to enable eco demo mode: set set transmit patrol default off/on code (buzzer: off:peep, on:peep) press continously for 15s set transmit patrol demo code (buzzer: off:peep, on:peep) set transmit eco demo code (buzzer: off:peep, on:peep) set transmit check...

  • Page 78

    78 12.14.10 infrared sensor abnormality • abnormality detection: connector disconnection / wire cut abnormality o sensor judge hi level continuously for 25 seconds circuit abnormality o 70 seconds after power on, if infrared sensor judge lo level continuously for 25 seconds • error code judgment whe...

  • Page 79: 13. Protection

    79 13. Protection control 13.1 restart control (time delay safety control) • the compressor will not turn on within 3 minutes from the moment operation stops, although the unit is turned on again by pressing off/on button at remote control within this period. • this control is not applicable if the ...

  • Page 80

    80 13.4.2 s18mk, s24mk, s28mk • overheating prevention control o when the ipm temperature rises to 100°c, compressor operation will stop immediately. O compressor operation restarts after 3 minutes the temperature decreases to 95°c. • dc peak current control o when electric current to ipm exceeds se...

  • Page 81

    81 13.9 low frequency protection control 2 • when all below conditions comply, the compressor frequency will changed to lower frequency. Temperature, t, for: cooling / soft dry indoor intake air (°c) t outdoor air (°c) t indoor heat exchanger (°c) t 13.10 outdoor air temperature control • the compre...

  • Page 82

    82 13.15 odor cut control • to reduce the odor released from the unit. O start condition auto fan speed is selected during cool or dry operation. During freeze prevention control and timer preliminary operation, this control is not applicable. O control content depends on compressor conditions: 1. C...

  • Page 83: 14. Servicing

    83 14. Servicing mode 14.1 auto off/on button auto off/on button pressed auto off/on button pressed 5 sec auto operation test run operation (forced cooling operation) stop beep 1 auto operation mode the auto operation will be activated immediately once the auto off/on button is pressed. This operati...

  • Page 84

    84 14.2 remote control button 14.2.1 set button • to check remote control transmission code and store the transmission code to eeprom o press “set” button continuously for 10 seconds by using pointer o press “timer set” button unit a “beep” sound is heard as confirmation of transmission code change....

  • Page 85: 15. Troubleshooting

    85 15. Troubleshooting guide 15.1 refrigeration cycle system in order to diagnose malfunctions, ensure the air conditioner is free from electrical problems before inspecting the refrigeration cycle. Such problems include insufficient insulation, problem with the power source, malfunction of a compre...

  • Page 86

    86 15.1.1 relationship between the condition of the air conditioner and pressure and electric current cooling mode condition of the air conditioner low pressure high pressure electric current during operation insufficient refrigerant (gas leakage) Ô Ô Ô clogged capillary tube or strainer Ô Ô Ô short...

  • Page 87

    87 15.2 breakdown self diagnosis function 15.2.1 self diagnosis function (three digits alphanumeric code) • once error occurred during operation, the unit will stop its operation, and timer led blinks. • although timer led goes off when power supply is turned off, if the unit is operated under a bre...

  • Page 88

    88 15.3 error code table diagnosis display abnormality / protection control abnormality judgment emergency operation primary location to verify h00 no abnormality detected - normal operation h11 indoor / outdoor abnormal communication > 1 min after starting operation indoor fan operation only • inte...

  • Page 89

    89 15.4 troubleshooting flowchart 15.4.1 h11 (indoor/outdoor abnormal communication) malfunction decision conditions • during startup and operation of cooling and heating, the data received from outdoor unit in indoor unit signal transmission is checked whether it is normal. Malfunction caused • fau...

  • Page 90

    90 15.4.2 h12 (indoor/outdoor capacity rank mismatched) malfunction decision conditions • during startup, error code appears when different types of indoor and outdoor units are interconnected. Malfunction caused • wrong models interconnected. • wrong indoor unit or outdoor unit pcbs mounted. • indo...

  • Page 91

    91 15.4.3 h14 (indoor intake air temperature sensor abnormality) malfunction decision conditions • during startup and operation of cooling and heating, the temperatures detected by the indoor intake air temperature sensor are used to determine sensor errors. Malfunction caused • faulty connector con...

  • Page 92

    92 15.4.4 h15 (compressor temperature sensor abnormality) malfunction decision conditions • during startup and operation of cooling and heating, the temperatures detected by the outdoor compressor temperature sensor are used to determine sensor errors. Malfunction caused • faulty connector connectio...

  • Page 93

    93 15.4.5 h16 (outdoor current transformer open circuit) malfunction decision conditions • a current transformer (ct) is detected by checking the compressor running frequency (≥ rated frequency) and ct detected input current (less than 1.14a) for continuously 20 seconds. Malfunction caused • ct defe...

  • Page 94

    94 15.4.6 h19 (indoor fan motor – dc motor mechanism locked) malfunction decision conditions • the rotation speed detected by the hall ic during fan motor operation is used to determine abnormal fan motor (feedback of rotation > 2550rpm or malfunction caused • operation stops due to short circuit in...

  • Page 95

    95 15.4.7 h23 (indoor pipe temperature sensor abnormality) malfunction decision conditions • during startup and operation of cooling and heating, the temperatures detected by the indoor heat exchanger temperature sensor are used to determine sensor errors. Malfunction caused • faulty connector conne...

  • Page 96

    96 15.4.8 h25 (e-ion air purifying system abnormal) malfunction decision conditions • during standby of cooling and heating operation, e-ion breakdown occurs and air conditioner stops operation. Malfunction caused • faulty indoor main pcb. • faulty indoor e-ion power module. Troubleshooting.

  • Page 97

    97 15.4.9 h27 (outdoor air temperature sensor abnormality) malfunction decision conditions • during startup and operation of cooling and heating, the temperatures detected by the outdoor air temperature sensor are used to determine sensor errors. Malfunction caused • faulty connector connection. • f...

  • Page 98

    98 15.4.10 h28 (outdoor pipe temperature sensor abnormality) malfunction decision conditions • during startup and operation of cooling and heating, the temperatures detected by the outdoor pipe temperature sensor are used to determine sensor errors. Malfunction caused • faulty connector connection. ...

  • Page 99

    99 15.4.11 h30 (compressor discharge temperature sensor abnormality) malfunction decision conditions • during startup and operation of cooling and heating, the temperatures detected by the outdoor discharge pipe temperature sensor are used to determine sensor errors. Malfunction caused • faulty conn...

  • Page 100

    100 15.4.12 h33 (unspecified voltage between indoor and outdoor) malfunction decision conditions • the supply power is detected for its requirement by the indoor/outdoor transmission. Malfunction caused • wrong models interconnected. • wrong indoor unit and outdoor unit pcbs used. • indoor unit or o...

  • Page 101

    101 15.4.13 h58 (patrol sensor abnormality) malfunction decision conditions • if patrol sensor feedback is 0v or 5v continuous for 6 hours. • error will display only when the patrol operation is on. Malfunction caused • faulty connector connection. • faulty patrol sensor. Troubleshooting.

  • Page 102

    102 15.4.14 h97 (outdoor fan motor – dc motor mechanism locked) malfunction decision conditions • the rotation speed detected by the hall ic during fan motor operation is used to determine abnormal fan motor. Malfunction caused • operation stops due to short circuit inside the fan motor winding. • o...

  • Page 103

    103 15.4.15 h98 (indoor high pressure protection) error code will not display (no timer led blinking) but store in eeprom malfunction decision conditions • during heating operation, the temperature detected by the indoor pipe temperature sensor is above 60°c. Malfunction caused • clogged air filter ...

  • Page 104

    104 15.4.16 h99 (indoor freeze prevention protection: cooling or soft dry) malfunction decision conditions • freeze prevention control takes place (when indoor pipe temperature is lower than 2°c) malfunction caused • clogged air filter of the indoor unit • dust accumulation on the indoor unit heat e...

  • Page 105

    105 15.4.17 f11 (indoor pipe temperature sensor abnormality) malfunction decision conditions • when cooling operation, when indoor pipe temperature or indoor heat exchanger temperature sensor is above 45°c. Malfunction caused • faulty connector connection. • faulty indoor pipe temperature sensor. • ...

  • Page 106

    106 15.4.18 f90 (power factor correction protection) malfunction decision conditions • during startup and operation of cooling and heating, when power factor correction (pfc) protection circuitry at the outdoor unit main pcb senses abnormal high dc voltage level. Malfunction caused • dc voltage peak...

  • Page 107

    107 15.4.19 f91 (refrigeration cycle abnormality) malfunction decision conditions • during cooling, compressor frequency = fcmax. • during cooling and heating operation, running current: 0.65a • during cooling, indoor intake - indoor pipe malfunction caused • refrigerant shortage (refrigerant leakag...

  • Page 108

    108 15.4.20 f93 (compressor rotation failure) malfunction decision conditions a compressor rotation failure is detected by checking the compressor running condition through the position detection circuit. Malfunction caused • compressor terminal disconnect • outdoor pcb malfunction troubleshooting.

  • Page 109

    109 15.4.21 f95 (cooling high pressure abnormality) malfunction decision conditions during operation of cooling, when outdoor unit heat exchanger high temperature data (61°c) is detected by the outdoor pipe temperature sensor. Malfunction caused • outdoor pipe temperature rise due to short circuit o...

  • Page 110

    110 15.4.22 f96 (ipm overheating) malfunction decision conditions during operating of cooling and heating, when ipm temperature data (100°c) is detected by the ipm temperature sensor. Malfunction caused • ipm overheats due to short circuit of hot discharge air flow. • ipm overheats due to defective ...

  • Page 111

    111 15.4.23 f97 (compressor overheating) malfunction decision conditions during operation of cooling and heating, when compressor tank temperature data (112°c) is detected by the compressor tank temperature sensor. Malfunction caused • refrigerant shortage (refrigerant leakage). • 2/3 way valve clos...

  • Page 112

    112 15.4.24 f98 (input over current detection) malfunction decision conditions during cooling and heating operation, when an input over-current (16.8a) is detected by checking the input current value being detected by current transformer (ct) with the compressor running. Malfunction caused • over-cu...

  • Page 113

    113 15.4.25 f99 (output over current detection) malfunction decision conditions during operation of cooling and heating, when an output over-current (18.5a) is detected by checking the current that flows in the inverter dc peak sensing circuitry. Malfunction caused • dc peak due to compressor failur...

  • Page 114

    114 warning 16. Disassembly and assembly instructions high voltage is generated in the electrical parts area by the capacitor. Ensure that the capacitor has discharged sufficiently before proceeding with repair work. Failure to heed this caution may result in electric shocks. 16.1 cs-s9mk cs-s12mk 1...

  • Page 115

    115 figure 3 figure 4 figure 5 16.1.1.3 to remove discharge grille figure 6.

  • Page 116

    116 16.1.1.4 to remove control board figure 7 16.1.1.5 to remove cross flow fan and indoor fan motor figure 8 figure 9.

  • Page 117

    117 figure 10 figure 11.

  • Page 118

    118 warning high voltage is generated in the electrical parts area by the capacitor. Ensure that the capacitor has discharged sufficiently before proceeding with repair work. Failure to heed this caution may result in electric shocks. 16.2 cs-s18mk cs-s24mk cs-s28mk 16.2.1 indoor electronic controll...

  • Page 119

    119 16.2.1.3 to remove power electronic controller figure 14 figure 15 figure 16 figure 17.

  • Page 120

    120 16.2.1.4 to remove discharge grille figure 18 16.2.1.5 to remove control board figure 19 16.2.1.6 to remove cross flow fan and indoor fan motor figure 20

  • Page 121

    121 figure 21 figure 22 figure 23.

  • Page 122: 17. Technical

    122 17. Technical data 17.1 operation characteristics 17.1.1 cs-s9mkq cu-s9mkq • cooling characteristic o room temperature: 27°c (dbt), 19°c (wbt) o operation condition: high fan speed o piping length: 7.5m o compressor frequency = fc.

  • Page 123

    123 • piping length characteristic o room temperature: 27°c (dbt), 19°c (wbt) o operation condition: high fan speed o outdoor temperature: 35°c (dbt), 24°c (wbt) o compressor frequency = fc.

  • Page 124

    124 17.1.2 cs-s12mkq cu-s12mkq • cooling characteristic o room temperature: 27°c (dbt), 19°c (wbt) o operation condition: high fan speed o piping length: 7.5m o compressor frequency = fc.

  • Page 125

    125 • piping length characteristic o room temperature: 27°c (dbt), 19°c (wbt) o operation condition: high fan speed o outdoor temperature: 35°c (dbt), 24°c (wbt) o compressor frequency = fc.

  • Page 126

    126 17.1.3 cs-s18mkq cu-s18mkq • cooling characteristic o room temperature: 27°c (dbt), 19°c (wbt) o operation condition: high fan speed o piping length: 5m o compressor frequency = fc.

  • Page 127

    127 • piping length characteristic o room temperature: 27°c (dbt), 19°c (wbt) o operation condition: high fan speed o outdoor temperature: 35°c (dbt), 24°c (wbt) o compressor frequency = fc.

  • Page 128

    128 17.1.4 cs-s24mkq cu-s24mkq • cooling characteristic o room temperature: 27°c (dbt), 19°c (wbt) o operation condition: high fan speed o piping length: 5m o compressor frequency = fc.

  • Page 129

    129 • piping length characteristic o room temperature: 27°c (dbt), 19°c (wbt) o operation condition: high fan speed o outdoor temperature: 35°c (dbt), 24°c (wbt) compressor frequency = fc.

  • Page 130

    130 17.1.5 cs-s28mkq cu-s28mkq • cooling characteristic o room temperature: 27°c (dbt), 19°c (wbt) o operation condition: high fan speed o piping length: 5m o compressor frequency = fc.

  • Page 131

    131 • piping length characteristic o room temperature: 27°c (dbt), 19°c (wbt) o operation condition: high fan speed o outdoor temperature: 35°c (dbt), 24°c (wbt) compressor frequency = fc.

  • Page 132

    132 18. Exploded view and replacement parts list 18.1 indoor unit 18.1.1 cs-s9mkq cs-s12mkq note the above exploded view is for the purpose of parts disassembly and replacement. The non-numbered parts are not kept as standard service parts..

  • Page 133

    133 ref. No. Part name & description qty cs-s9mkq cs-s12mkq remark 1 chassy complete 1 cwd50c1653 ← 2 fan motor 1 cwa921443 ← o 3 cross-flow fan complete 1 cwh02c1076 ← 4 bearing assy 1 cwh64k007 ← 5 screw - cross-flow fan 1 cwh551146 ← 6 generator complete 1 cwh94c0028 ← 7 evaporator 1 cwb30c3357 c...

  • Page 134

    134 51 electronic controller (eco sensor) 1 cwa746206 ← o 52 sensor complete (eco) 1 cwa50c2758 ← o 53 lead wire - pcb eco 1 cwa67c9160 ← 54 control board casing for pcb eco 1 cwd93c1108 ← 55 cover for receiver (bottom) 1 cwd933209 ← 56 cover for receiver (upper) 1 cwd933022 ← 57 remote control co. ...

  • Page 135

    135 18.1.2 cs-s18mkq cs-s24mkq cs-s28mkq note the above exploded view is for the purpose of parts disassembly and replacement. The non-numbered parts are not kept as standard service parts..

  • Page 136

    136 ref no. Part name & description qty. Cs-s18mkq cs-s24mkq cs-s28mkq remark 1 chassy complete 1 cwd50c1623 ← ← 2 fan motor 1 arw7628ac arw7627ac ← o 3 cross flow fan complete 1 cwh02c1077 ← ← 4 bearing ass’y 1 cwh64k007 ← ← 5 screw - cross flow fan 1 cwh551146 ← ← 6 ion generator 1 cwh94c0028 ← ← ...

  • Page 137

    137 57 cover for receiver (bottom) 1 cwd933209 ← ← 58 cover for receiver (upper) 1 cwd933022 ← ← 59 remote control co. (wired) optional 1 cwg50c2930 ← ← 60 power supply cord - complete 1 cwa20c2851 cwa20c2853 - (note) • all parts are supplied from phaam, malaysia (vendor code: 00029488). • “o” marke...

  • Page 138

    138 18.2 outdoor unit 18.2.1 cu-s9mkq note the above exploded view is for the purpose of parts disassembly and replacement. The non-numbered parts are not kept as standard service parts..

  • Page 139

    139 18.2.2 cu-s12mkq note the above exploded view is for the purpose of parts disassembly and replacement. The non-numbered parts are not kept as standard service parts..

  • Page 140

    140 ref. No. Description & name qty cu-s9mkq cu-s12mkq remark 1 chassy assy 1 cwd50k2107 cwd50k2071 2 fan motor bracket 1 cwd541074 cwd541030 3 screw - fan motor bracket 2 cwh551217 ← 4 fan motor 1 cwa951604 cwa951466 o 5 screw - fan motor mount 4 cwh55252j cwh55406j 6 propeller fan assy 1 cwh03k102...

  • Page 141

    141 18.2.3 cu-s18mkq cu-s24mkq note the above exploded view is for the purpose of parts disassembly and replacement. The non-numbered parts are not kept as standard service parts..

  • Page 142

    142 ref. No. Description & name qty. Cu-s18mkq cu-s24mkq remark 1 chassy ass’y 1 cwd52k1249 ← 2 anti-vibration bushing 3 cwh50077 ← 3 compressor 1 5rd132xba21 ← o 4 nut - compressor mount 3 cwh56000j ← 5 sound proof material 1 cwg302292 ← 6 fan motor bracket 1 cwd541154 ← 7 fan motor 1 cwa951762 ← o...

  • Page 143

    143 18.2.4 cu-s28mkq note the above exploded view is for the purpose of parts disassembly and replacement. The non-numbered parts are not kept as standard service parts..

  • Page 144

    144 ref. No. Description & name qty. Cu-s28mkq remark 1 base pan ass'y 1 cwd52k1230 2 anti-vibration bushing 3 cwh50055 3 packing 3 cwb81043 4 compressor 1 5kd240xaf21 o 5 nut - compressor mount 3 cwh561049 6 fan motor bracket 1 cwd541126 7 fan motor 1 cwa951712 o 8 screw - fan motor bracket 3 cwh55...