Panasonic CS-E12PKR Service Manual

Other manuals for CS-E12PKR: Operating Instructions Manual

Summary of CS-E12PKR

  • Page 1

    © panasonic corporation 2013 order no: papamy1308064ce indoor unit outdoor unit cs-e7pkr cs-e9pkr cs-e12pkr cs-e15pkr cs-e18pkr cs-e21pkr cs-e24pkr cs-e28pkr cu-e7pkr cu-e9pkr cu-e12pkr cu-e15pkr cu-e18pkr cu-e21pkr cu-e24pkr cu-e28pkr destination oceania precaution of low temperature in order to av...

  • Page 2: Table of Contents

    2 table of contents 1. Safety precautions ............................................. 3 2. Specification ....................................................... 5 3. Features ............................................................. 29 4. Location of controls and components .......... 30 4.1 i...

  • 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 warning 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 caused suck-in of air, abnormal high pressure in refrigeration cycle and result in explosion,...

  • Page 5: 2. Specification

    5 2. Specification model indoor cs-e7pkr outdoor cu-e7pkr performance test condition as power supply phase, hz single, 50 v 230 240 min. Mid. Max. Min. Mid. Max. Cooling capacity kw 0.85 2.05 2.40 0.85 2.05 2.40 btu/h 2900 6990 8180 2900 6990 8180 kcal/h 730 1760 2060 730 1760 2060 running current a...

  • Page 6

    6 indoor fan type cross-flow fan material asg20k1 motor type transistor (8-poles) input power w 47.3 - 47.3 output power w 40 speed qlo cool rpm 630 heat rpm 650 lo cool rpm 710 heat rpm 760 me cool rpm 900 heat rpm 950 hi cool rpm 1090 heat rpm 1150 shi cool rpm 1190 heat rpm 1250 outdoo r fa n typ...

  • Page 7

    7 drain hose inner diameter mm 16.7 length mm 650 indoor heat exchanger fin material aluminium (pre coat) fin type slit fin row x stage x fpi 2 x 15 x 21 size (w x h x l) mm 610 x 315 x 25.4 outdoor heat exchanger fin material aluminium (blue coated) fin type corrugated fin row x stage x fpi 2 x 28 ...

  • Page 8

    8 model indoor cs-e9pkr outdoor cu-e9pkr performance test condition as power supply phase, hz single, 50 v 230 240 min. Mid. Max. Min. Mid. Max. Cooling capacity kw 0.90 2.60 3.00 0.90 2.60 3.00 btu/h 3070 8870 10200 3070 8870 10200 kcal/h 770 2240 2580 770 2240 2580 running current a - 2.6 - - 2.5 ...

  • Page 9

    9 indoor fan type cross-flow fan material asg20k1 motor type transistor (8-poles) input power w 47.3 - 47.3 output power w 40 speed qlo cool rpm 630 heat rpm 690 lo cool rpm 720 heat rpm 820 me cool rpm 980 heat rpm 1060 hi cool rpm 1240 heat rpm 1300 shi cool rpm 1320 heat rpm 1400 outdoo r fa n ty...

  • Page 10

    10 drain hose inner diameter mm 16.7 length mm 650 indoor heat exchanger fin material aluminium (pre coat) fin type slit fin row x stage x fpi 2 x 15 x 21 size (w x h x l) mm 610 x 315 x 25.4 outdoor heat exchanger fin material aluminium (blue coated) fin type corrugated fin row x stage x fpi 2 x 28...

  • Page 11

    11 model indoor cs-e12pkr outdoor cu-e12pkr performance test condition as power supply phase, hz single, 50 v 230 240 min. Mid. Max. Min. Mid. Max. Cooling capacity kw 0.90 3.50 4.00 0.90 3.50 4.00 btu/h 3070 11900 13600 3070 11900 13600 kcal/h 770 3010 3440 770 3010 3440 running current a - 3.9 - -...

  • Page 12

    12 indoor fan type cross-flow fan material asg20k1 motor type transistor (8-poles) input power w 47.3 - 47.3 output power w 40 speed qlo cool rpm 650 heat rpm 770 lo cool rpm 760 heat rpm 870 me cool rpm 1020 heat rpm 1120 hi cool rpm 1280 heat rpm 1380 shi cool rpm 1380 heat rpm 1420 outdoo r fa n ...

  • Page 13

    13 drain hose inner diameter mm 16.7 length mm 650 indoor heat exchanger fin material aluminium (pre coat) fin type slit fin row x stage x fpi 2 x 15 x 21 size (w x h x l) mm 610 x 315 x 25.4 outdoor heat exchanger fin material aluminium (blue coated) fin type corrugated fin row x stage x fpi 2 x 28...

  • Page 14

    14 model indoor cs-e15pkr outdoor cu-e15pkr performance test condition as power supply phase, hz single, 50 v 230 240 min. Mid. Max. Min. Mid. Max. Cooling capacity kw 0.90 4.40 5.00 0.90 4.40 5.00 btu/h 3070 15000 17100 3070 15000 17100 kcal/h 770 3780 4300 770 3780 4300 running current a - 5.6 - -...

  • Page 15

    15 indoor fan type cross-flow fan material asg20k1 motor type transistor (8-poles) input power w 94.8 - 94.8 output power w 40 speed qlo cool rpm 640 heat rpm 790 lo cool rpm 830 heat rpm 900 me cool rpm 1150 heat rpm 1180 hi cool rpm 1480 heat rpm 1460 shi cool rpm 1500 heat rpm 1460 outdoo r fa n ...

  • Page 16

    16 drain hose inner diameter mm 16.7 length mm 650 indoor heat exchanger fin material aluminium (pre coat) fin type slit fin row x stage x fpi 2 x 15 x 21 size (w x h x l) mm 610 x 315 x 25.4 outdoor heat exchanger fin material aluminium (blue coated) fin type corrugated fin row x stage x fpi 2 x 36...

  • Page 17

    17 model indoor cs-e18pkr outdoor cu-e18pkr performance test condition as power supply phase, hz single, 50 v 230 240 min. Mid. Max. Min. Mid. Max. Cooling capacity kw 0.90 5.00 6.00 0.90 5.00 6.00 btu/h 3070 17100 20500 3070 17100 20500 kcal/h 770 4300 5160 770 4300 5160 running current a - 6.0 - -...

  • Page 18

    18 indoor fan type cross-flow fan material asg30k1 motor type transistor (8-poles) input power w 94.8 - 94.8 output power w 40 speed qlo cool rpm 870 heat rpm 850 lo cool rpm 830 heat rpm 900 me cool rpm 1150 heat rpm 1180 hi cool rpm 1480 heat rpm 1460 shi cool rpm 1500 heat rpm 1460 outdoo r fa n ...

  • Page 19

    19 drain hose inner diameter mm 16.7 length mm 650 indoor heat exchanger fin material aluminium (pre coat) fin type slit fin row x stage x fpi 2 x 15 x 19 size (w x h x l) mm 810 x 315 x 25.4 outdoor heat exchanger fin material aluminium (blue coated) fin type corrugated fin row x stage x fpi 2 x 36...

  • Page 20

    20 model indoor cs-e21pkr outdoor cu-e21pkr performance test condition as power supply phase, hz single, 50 v 230 240 min. Mid. Max. Min. Mid. Max. Cooling capacity kw 1.70 6.30 7.10 1.70 6.30 7.10 btu/h 5800 21500 24200 5800 21500 24200 kcal/h 1460 5420 6110 1460 5420 6110 running current a - 8.6 -...

  • Page 21

    21 indoor fan type cross-flow fan material asg30k1 motor type transistor (8-poles) input power w 94.8 - 94.8 output power w 40 speed qlo cool rpm 860 heat rpm 910 lo cool rpm 960 heat rpm 1000 me cool rpm 1200 heat rpm 1240 hi cool rpm 1450 heat rpm 1490 shi cool rpm 1500 heat rpm 1590 outdoo r fa n...

  • Page 22

    22 drain hose inner diameter mm 16.7 length mm 650 indoor heat exchanger fin material aluminium (pre coat) fin type slit fin row x stage x fpi 2 x 15 x 21 size (w x h x l) mm 810 x 315 x 25.4 outdoor heat exchanger fin material aluminium (blue coated) fin type corrugated fin row x stage x fpi 2 x 30...

  • Page 23

    23 model indoor cs-e24pkr outdoor cu-e24pkr performance test condition as power supply phase, hz single, 50 v 230 240 min. Mid. Max. Min. Mid. Max. Cooling capacity kw 1.70 7.00 8.10 1.70 7.00 8.10 btu/h 5800 23900 27600 5800 23900 27600 kcal/h 1460 6020 6970 1460 6020 6970 running current a - 9.8 -...

  • Page 24

    24 indoor fan type cross-flow fan material asg30k1 motor type transistor (8-poles) input power w 94.8 - 94.8 output power w 40 speed qlo cool rpm 890 heat rpm 960 lo cool rpm 990 heat rpm 1060 me cool rpm 1280 heat rpm 1310 hi cool rpm 1570 heat rpm 1560 shi cool rpm 1600 heat rpm 1600 outdoo r fa n...

  • Page 25

    25 drain hose inner diameter mm 16.7 length mm 650 indoor heat exchanger fin material aluminium (pre coat) fin type slit fin row x stage x fpi 2 x 15 x 21 size (w x h x l) mm 25.4 x 315 x 810 outdoor heat exchanger fin material aluminium (blue coated) fin type corrugated fin row x stage x fpi 2 x 30...

  • Page 26

    26 model indoor cs-e28pkr outdoor cs-e28pkr performance test condition as power supply phase, hz single, 50 v 230 240 min. Mid. Max. Min. Mid. Max. Cooling capacity kw 2.30 8.00 8.60 2.30 8.00 8.60 btu/h 7840 27300 29300 7840 27300 29300 kcal/h 1980 6880 7400 1980 6880 7400 running current a - 11.2 ...

  • Page 27

    27 indoor fan type cross-flow fan material asg30k1 motor type transistor (8-poles) input power w 94.8 - 94.8 output power w 40 speed qlo cool rpm 970 heat rpm 1000 lo cool rpm 1070 heat rpm 1100 me cool rpm 1320 heat rpm 1330 hi cool rpm 1570 heat rpm 1560 shi cool rpm 1600 heat rpm 1600 outdoo r fa...

  • Page 28

    28 drain hose inner diameter mm 16.7 length mm 650 indoor heat exchanger fin material aluminium (pre coat) fin type slit fin row x stage x fpi 2 x 15 x 21 size (w x h x l) mm 25.4 x 315 x 810 outdoor heat exchanger fin material aluminium (blue coated) fin type corrugated fin row x stage x fpi 2 x 44...

  • Page 29: 3.   Features

    29 3. Features  inverter technology o wider output power range o energy saving o quick cooling o quick heating o more precise temperature control  e-ion air purifying system with patrol sensor o active e-ions are released to catch dust particles and bring them back the large positively charged fil...

  • Page 30

    30 4. Location of controls and components 4.1 indoor unit 4.2 outdoor unit 4.3 remote control.

  • Page 31: 5. Dimensions

    31 5. Dimensions 5.1 indoor unit 5.1.1 cs-e7pkr cs-e9pkr cs-e12pkr cs-e15pkr.

  • Page 32

    32 5.1.2 cs-e18pkr cs-e21pkr cs-e24pkr cs-e28pkr.

  • Page 33

    33 5.2 outdoor unit 5.2.1 cu-e7pkr cu-e9pkr cu-e12pkr 5.2.2 cu-e15pkr cu-e18pkr cu-e21pkr cu-e24pkr.

  • Page 34

    34 5.2.3 cu-e28pkr.

  • Page 35

    35 6. Refrigeration cycle diagram 6.1 cu-e7pkr.

  • Page 36

    36 6.2 cu-e9pkr cu-e12pkr.

  • Page 37

    37 6.3 cu-e15pkr cu-e18pkr.

  • Page 38

    38 6.4 cu-e21pkr cu-e24pkr.

  • Page 39

    39 6.5 cu-e28pkr.

  • Page 40: 7. Block Diagram

    40 7. Block diagram 7.1 cu-e7pkr cu-e9pkr cu-e12pkr (ind oo r uni t) (o u tdo or uni t).

  • Page 41

    41 7.2 cu-e15pkr cu-e18pkr (ind oo r uni t) (o utd o o r uni t).

  • Page 42

    42 7.3 cu-e21pkr (in d oo r u n it )( o u td oo r u n it ).

  • Page 43

    43 7.4 cu-e24pkr (ind oo r u ni t) (o ut d o o r u n it ).

  • Page 44

    44 7.5 cu-e28pkr.

  • Page 45

    45 8. Wiring connection diagram 8.1 indoor unit 8.1.1 cs-e7pkr cs-e9pkr cs-e12pkr cs-e15pkr cs-e18pkr cs-e21pkr cs-e24pkr m rectification circuit communication circuit grounding terminal 1 w 2 3 bl evaporator ac303 (wht) ac306 (blk) ac304 (red) g301 (grn) fuse301 t3.15a l250v noise filter circuit te...

  • Page 46

    46 8.1.2 cs-e28pkr m rectification circuit communication circuit grounding terminal 1 w 2 3 bl evaporator ac303 (wht) ac306 (blk) ac304 (red) g301 (grn) fuse301 t3.15a l250v noise filter circuit temp. Fuse 102°c (3a) to ou td oo r u nit terminal board r y/g g sw01 t° t° t° electronic controller (mai...

  • Page 47

    47 8.2 outdoor unit 8.2.1 cu-e7pkr cu-e9pkr cu-e12pkr resistance of compressor windings model cu-e7pkr cu-e9pkr / cue12pkr connection 5rs092xcd21 (Ω) 5rs102xna21 (Ω) u-v 1.152 1.211 u-w 1.152 1.211 v-w 1.152 1.211 electronic controller (demand control) cn-opt (white) cn-demand (white) cn-pwr (wht) w...

  • Page 48

    48 8.2.2 cu-e15pkr cu-e18pkr resistance of outdoor fan motor windings resistance of compressor windings model cu-e15pkr / cu-e18pkr connection 5rd132xfa21 (Ω) connection cwa951620 u-v 1.152 yellow – blue 115.8 u-w 1.152 yellow – orange 71.71 v-w 1.152 yellow – red 116.2 note: resistance at 20°c of a...

  • Page 49

    49 8.2.3 cu-e21pkr resistance of outdoor fan motor windings resistance of compressor windings model cu-e21pkr connection 5kd240xaf21 (Ω) connection cwa951671 u-v 0.720 yellow – blue 72 u-w 0.726 yellow – orange 37 v-w 0.708 yellow – red 101 note: resistance at 20°c of ambient temperature. Electronic...

  • Page 50

    50 8.2.4 cu-e24pkr resistance of compressor windings connection 5kd240xaf21 (Ω) u-v 0.720 u-w 0.726 v-w 0.708 electronic controller (noise filter) cn-opt (white) 1 blk grn (green) fg3 fg2 (green) fg1 (green) noise filter circuit noise filter circuit communication circuit cn-blk (black) cn-com (yello...

  • Page 51

    51 8.2.5 cu-e28pkr resistance of compressor windings connection 5kd240xaf21 (Ω) u-v 0.720 u-w 0.726 v-w 0.708.

  • Page 52

    52 9. Electronic circuit diagram 9.1 indoor unit 9.1.1 cs-e7pkr cs-e9pkr cs-e12pkr cs-e15pkr cs-e18pkr cs-e21pkr cs-e24pkr.

  • Page 53

    53 9.1.2 cs-e28pkr.

  • Page 54

    54 9.2 outdoor unit 9.2.1 cu-e7pkr cu-e9pkr cu-e12pkr g1 r504 2k d502 d503 d505 d504 24v_1 pc501 *c507 *c508 1 4 2 3 pc502 1 4 2 3 24v_1 r506 2k 5v + *c186 *c178 *c188 *c187 *r311 *r313 g2 *r312 *d20 g2 c9 1 r11 15.8k 5v g2 c10 1 c88 220 r12 15.0k g2 g2 electronic controller (demand control) cn-opt ...

  • Page 55

    55 9.2.2 cu-e15pkr cu-e18pkr sensor (thermistor) characteristics 70 60 50 40 30 20 10 0 -10 0 10 temperature ( o c) resi stance (k ) 20 30 40 50 1 2 1 2 outdoor air sensor outdoor heat exchanger sensor compressor temp. Sensor (thermistor) characteristics 70 60 50 40 30 20 10 0 20 40 60 temperature (...

  • Page 56

    56 9.2.3 cu-e21pkr . G1 5v 5v r425 r426 c e b b e c r427 q26 q25 4.7k 10k g1 g1 r1 pc10 1 4 2 3 pc11 1 4 2 3 24v r3 *c2 *d61 r5 24v *c1 *d60 r6 d66 d62 d65 d63 1 2 4 3 d64 g10 g10 5v c212 r102 4.99k c47 g5 g5 g5 5v c45 1 c46 1 r100 15.0k r101 15.8k g5 g5 g5 electronic controller (noise filter) elect...

  • Page 57

    57 9.2.4 cu-e24pkr 5v c212 r102 4.99k c47 g5 g5 g5 5v c45 1 c46 1 r100 15.0k r101 15.8k g5 g5 g5 electronic controller (noise filter) cn-opt (white) 1 blk grn (green) fg3 fg2 (green) fg1 (green) noise filter circuit noise filter circuit communication circuit cn-blk (black) cn-com (yellow) cn-com (ye...

  • Page 58

    58 9.2.5 cu-e28pkr.

  • Page 59: 10.  Printed Circuit Board

    59 10. Printed circuit board 10.1 indoor unit 10.1.1 main printed circuit board 10.1.2 indicator printed circuit board.

  • Page 60

    60 10.1.3 high voltage power supply printed circuit board 10.1.4 comparator printed circuit board.

  • Page 61

    61 10.1.5 human activity sensor printed circuit board.

  • Page 62

    62 10.2 outdoor unit 10.2.1 cu-e7pkr cu-e9pkr cu-e12pkr.

  • Page 63

    63 10.2.2 cu-e15pkr cu-e18pkr cu-e21pkr cu-e24pkr.

  • Page 64

    64 10.2.3 cu-e28pkr.

  • Page 65

    65 10.2.4 noise filter printed board (cu-e28pkr) 10.2.5 demand control printed circuit board.

  • Page 66: 11. Installation

    66 11. Installation instruction 11.1 select the best location (for e7/9/12/15/18/21/24pkr 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...

  • Page 67

    67 11.2 indoor unit 11.2.1 how to fix installation plate the mounting wall shall be strong and solid enough to prevent it from vibration. The center of installation plate should be at more than at right and left of the wall. The distance from installation plate edge to ceiling should more than . Fr...

  • Page 68

    68 11.2.3.1 for the right rear piping 11.2.3.2 for the right and right bottom piping 11.2.3.3 for the embedded piping (this can be used for left rear piping and bottom piping also.).

  • Page 69

    69 11.2.4 connect the cable to the indoor unit 1 the inside and outside connecting 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 70

    70 11.2.4.1 cutting and flaring the piping 1 please cut using pipe cutter and then remove the burrs. 2 remove the burrs by using reamer. If burrs is not removed, gas leakage may be caused. Turn the piping end down to avoid the metal powder entering the pipe. 3 please make flare after inserting the f...

  • Page 71

    71 11.3 outdoor unit 11.3.1 install the outdoor unit  after selecting the best location, start installation to indoor/outdoor unit installation diagram. 1 fix the unit on concrete or rigid frame firmly and horizontally by bolt nut (ø10 mm). 2 when installing at roof, please consider strong wind and...

  • Page 72

    72 4 close the low side valve of the charging set and turn off the vacuum pump. Make sure that the needle in the gauge does not move after approximately five minutes. Note: be sure to take this procedure in order to avoid refrigerent gas leakage. 5 disconnect the charging hose from the vacuum pump a...

  • Page 73

    73 6 secure the power supply cord and connecting cable onto the control board with the holder. 7 attach the control board cover back to the original position with the screw. 8 for wire stripping and connection requirement, refer to instruction 11.2.4 of the indoor unit. Warning this equipment must b...

  • Page 74: 12. Installation

    74 12. Installation instruction 12.1 select the best location (for e28pkr only) 12.1.1 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 75

    75 12.2 indoor unit 12.2.1 how to fix installation plate the mounting wall shall be strong and solid enough to prevent it from vibration. The center of installation plate should be at more than at right and left of the wall. The distance from installation plate edge to ceiling should more than . Fr...

  • Page 76

    76 12.2.3.1 for the right rear piping 12.2.3.2 for the right and right bottom piping 12.2.3.3 for the embedded piping (this can be used for left rear piping and bottom piping also.).

  • Page 77

    77 12.2.4 connect the cable to the indoor unit 1 the inside and outside connecting 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 78

    78 12.2.4.1 cutting and flaring the piping 1 please cut using pipe cutter and then remove the burrs. 2 remove the burrs by using reamer. If burrs is not removed, gas leakage may be caused. Turn the piping end down to avoid the metal powder entering the pipe. 3 please make flare after inserting the f...

  • Page 79

    79 12.3 outdoor unit 12.3.1 install the outdoor unit  after selecting the best location, start installation to indoor/outdoor unit installation diagram. 1 if installing the unit to a concrete base or other solid base, use m10 or w3/8 bolts and nuts to secure the unit, and ensure that the unit is fu...

  • Page 80

    80  the cardboard must be removed before installation of piping work. 12.3.3 evacuation of the equipment when installing an air conditioner, be sure to evacuate the air inside the indoor unit and pipes in the following procedure. 1 connect a charging hose with a push pin to the low side of a chargi...

  • Page 81

    81 3 connecting 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 heavier cord. 4 connecting cable between outdoor unit and dred (demand response enabling devices) shall be double insulation layer, polychl...

  • Page 82: 13. Operation

    82 13. Operation control 13.1 basic function inverter control, which equipped with a microcomputer in determining the most suitable operating mode as time passes, automatically adjusts output power for maximum comfort always. In order to achieve the suitable operating mode, the microcomputer maintai...

  • Page 83

    83 13.1.5 automatic operation  this mode can be set using remote control and the operation is decided by remote control setting temperature, remote control operation mode and indoor intake air temperature.  during operation mode judgment, indoor fan motor (with speed of lo-) is running for 30 seco...

  • Page 84

    84 o the indoor fan will operate according to pattern below. [heating] o according to indoor pipe temperature, automatic heating fan speed is determined as follows. 13.2.2 feedback control  immediately after the fan motor started, feedback control is performed once every second.  during fan motor ...

  • Page 85

    85 13.4 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 86

    86  manual horizontal airflow direction can be set using remote control; the angles of the vane are as stated below and the positions of the vane are as figure 2 above. Pattern 1 2 3 4 5 airflow direction patterns at remote control vane angle (°) 90 68 78 102 112 13.5 quiet operation (cooling mode/...

  • Page 87

    87  control contents o fan speed manual fan speed is changed from normal setting to quiet setting of respective fan speed. This is to reduce sound of hi, me, lo for 3db. Fan speed for quiet operation is reduced from setting fan speed. O fan speed auto indoor fm rpm depends on pipe temp sensor of in...

  • Page 88

    88 13.10 indication panel led power timer powerful nanoe-g auto comfort quiet color green orange orange blue green green light on operation on timer setting on powerful mode on nanoe-g on auto comfort on quiet mode on light off operation off timer setting off powerful mode off nanoe-g off auto comfo...

  • Page 89

    89  remote control receiving sound o normal operation nanoe-g operation : beep o nanoe-g operation normal operation : beep o stop  nanoe-g individual operation : beep o nanoe-g individual operation  stop : long beep  power failure o during nanoe-g individual operation, if power failure occurs, a...

  • Page 90

    90 o troubleshooting method press nanoe-g button or off/on button to stop the operation and check the nanoe-g connector at pcb. After that, press nanoe-g button again to confirm the nanoe-g indicator do not blinks. The 24 timer counter will be clear after 10 minutes of normal operation or when opera...

  • Page 91

    91  eco navi stop conditions: o when eco navi button is pressed again. O when unit is off by off/on button. O when unit is off when off timer activates. O when unit is off by auto off/on button at indoor unit. O when powerful, quiet operation activates. O when ◄► button is pressed.  auto comfort /...

  • Page 92

    92 13.13.1.1 signal detection  human activity sensor will turns on according to infrared sensors signal detection. Signal detection possible detected human position area human activity indicator sensor 1 sensor 2 left center right 1 0 c ■ ■ □ 0 1 a □ ■ ■ 1 1 b ■ □ ■ a & c ■ □ ■ b & c ■ □ ■ a & c ■ ...

  • Page 93

    93 13.13.1.7 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: target area horizontal airflow direction louver position left installation center installatio...

  • Page 94

    94 13.13.3 rhythmic temperature wave operation  to further maximize the energy saving during econavi or auto comfort operates at low activity level.  start condition o the unit is operates in cool or dry mode under econavi or auto comfort operation, and o human activity sensor detects low activity...

  • Page 95

    95 13.13.3.1 econavi demo mode  to enable eco demo mode:  to disable eco demo mode: o transmit eco demo signal again.  operation details infrared sensor human activity sensor vane position fan speed sensor 1 sensor 2 left center right 1 0 ■ ■ □ 5 hi 1 1 ■ □ ■ auto swing hi 0 1 □ ■ ■ 1 hi 0 0 ■ ■ ...

  • Page 96

    96 13.13.3.2 infrared sensor abnormality  abnormality detection: o connector disconnection / wire cut abnormality sensor judge hi level continuously for 25 seconds o circuit abnormality 70 seconds after power on, if infrared sensor judge lo level continuously for 25 seconds  error code judgment o ...

  • Page 97

    97 13.13.4 sunlight sensor  during econavi operation, the sunlight sensor detects sunlight intensity coming through windows and differentiates between sunny and cloudy or night to further optimize energy saving by adjusting the temperature.  sunlight judgment is as following 13.13.4.1 sunlight int...

  • Page 98

    98 13.13.4.3 judge ambient condition  according to sunlight intensity over a period of time, the system will analyze the ambient condition is sunny, cloudy or night. 13.13.4.4 temperature shift 13.13.4.5 sunlight sensor check mode  to enable sunlight sensor check mode, during unit is off (power st...

  • Page 99

    99 13.13.4.6 sunlight sensor abnormality  abnormality detection: o when econavi is on, if the sunlight intensity value below minimum level continuously for 24 hours, the sunlight sensor disconnection error counter will increase by 1 time. If the econavi is off, the 24 hours timer will be reset, but...

  • Page 100: 14. Protection

    100 14. Protection control 14.1 protection control for all operations 14.1.1 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 pe...

  • Page 101

    101 14.1.4 compressor overheating prevention control  instructed frequency for compressor operation will be regulated by compressor discharge temperature. The changes of frequency are as below.  if compressor discharge temperature exceeds 103°c, compressor will be stopped, occurs 4 times per 20 mi...

  • Page 102

    102 14.2 protection control for cooling & soft dry operation 14.2.1 outdoor air temperature control  the compressor operating frequency is regulated in accordance to the outdoor air temperature as shown in the diagram below.  this control will begin 1 minute after the compressor starts.  compress...

  • Page 103

    103 14.2.6 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....

  • Page 104

    104 14.3.6 deice operation  when outdoor pipe temperature and outdoor air temperature is low, deice operation start where indoor fan motor and outdoor fan motor stop and operation led blinks. 14.3.7 demand control  when the air-conditioner connected to demand response enabling devices (dred), the ...

  • Page 105: 15. Servicing

    105 15. Servicing mode 15.1 auto off/on button 1 auto operation mode the auto operation will be activated immediately once the auto off/on button is pressed. This operation can be used to operate air conditioner with limited function if remote control is misplaced or malfunction. 2 test run operatio...

  • Page 106

    106 4 remote control receiving sound off/on mode the remote control receiving sound off/on mode will be activated if the auto off/on button is pressed continuously for more than 16 seconds (4 “beep” sounds will occur at 16th seconds to identify the remote control receiving sound off/on mode is in st...

  • Page 107

    107 15.2.2 reset (rc)  to clear and restore the remote control setting to factory default. O press once to clear the memory 15.2.3 reset (ac)  to restore the unit’s setting to factory default o press once to restore the unit’s setting. 15.2.4 timer ▲  to change indoor unit indicator’s led intensi...

  • Page 108: 16. Troubleshooting

    108 16. Troubleshooting guide 16.1 refrigeration cycle system in order to diagnose malfunctions, make sure that there are no electrical problems before inspecting the refrigeration cycle. Such problems include insufficient insulation, problem with the power source, malfunction of a compressor and a ...

  • Page 109

    109 16.1.1 relationship between the condition of the air conditioner and pressure and electric current condition of the air conditioner cooling mode heating mode low pressure high pressure electric current during operation low pressure high pressure electric current during operation insufficient ref...

  • Page 110

    110 16.2 breakdown self diagnosis function 16.2.1 self diagnosis function (three digits alphanumeric code)  once abnormality has 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 ...

  • Page 111

    111 16.3 error code table.

  • Page 112

    112.

  • Page 113

    113 16.4 self-diagnosis method 16.4.1 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  faulty...

  • Page 114

    114 16.4.2 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.  ind...

  • Page 115

    115 16.4.3 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 co...

  • Page 116

    116 16.4.4 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 connecti...

  • Page 117

    117 16.4.5 h16 (outdoor current transformer) malfunction decision conditions  an input current, detected by current transformer ct, is below threshold value when the compressor is operating at certain frequency value for 3 minutes. Malfunction caused  lack of gas  broken ct (current transformer) ...

  • Page 118

    118 16.4.6 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 i...

  • Page 119

    119 16.4.7 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 conn...

  • Page 120

    120 16.4.8 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 121

    121 16.4.9 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.  ...

  • Page 122

    122 16.4.10 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 123

    123 16.4.11 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 con...

  • Page 124

    124 16.4.12 h32 (outdoor heat exchanger temperature sensor 2 abnormality) malfunction decision conditions  during startup and operation of cooling and heating, the temperatures detected by the outdoor heat exchanger temperature sensor are used to determine sensor errors. Malfunction caused  faulty...

  • Page 125

    125 16.4.13 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 126

    126 16.4.14 h34 (outdoor heat sink temperature sensor abnormality) malfunction decision conditions  during startup and operation of cooling and heating, the temperatures detected by the outdoor heat sink temperature sensor are used to determine sensor errors. Malfunction caused  faulty connector c...

  • Page 127

    127 16.4.15 h36 (outdoor gas pipe sensor abnormality) malfunction decision conditions  during startup and operation of cooling and heating, the temperatures detected by the outdoor gas pipe temperature sensor are used to determine sensor errors. Malfunction caused  faulty connector connection.  f...

  • Page 128

    128 16.4.16 h37 (outdoor liquid pipe temperature sensor abnormality) malfunction decision conditions  during startup and operation of cooling and heating, the temperatures detected by the outdoor liquid pipe temperature sensor are used to determine sensor errors. Malfunction caused  faulty connect...

  • Page 129

    129 16.4.17 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 130

    130 16.4.18 h98 (error code stored in memory and no alarm is triggered / no timer led flashing) malfunction decision conditions  indoor high pressure is detected when indoor heat exchanger is detecting very high temperature when the unit is operating in heating operation.  phenomena: unit is stopp...

  • Page 131

    131 16.4.19 h99 (indoor freeze prevention protection: cooling or soft dry) error code will not display (no timer led blinking) but store in eeprom malfunction decision conditions  freeze prevention control takes place (when indoor pipe temperature is lower than 2°c) malfunction caused  air short c...

  • Page 132

    132 16.4.20 f11 (4-way valve switching failure) malfunction decision conditions  when indoor heat exchanger is cold during heating (except deice) or when indoor heat exchanger is hot during cooling and compressor operating, the 4-way valve is detected as malfunction. Malfunction caused  indoor hea...

  • Page 133

    133 16.4.21 f17 (indoor standby units freezing abnormality) malfunction decision conditions  when the different between indoor intake air temperature and indoor pipe temperature is above 10°c or indoor pipe temperature is below -1.0°c remark: when the indoor standby unit is freezing, the outdoor un...

  • Page 134

    134 16.4.22 f90 (power factor correction protection) malfunction decision conditions  to maintain dc voltage level supply to power transistor.  to detect high dc voltage level after rectification. Malfunction caused  during startup and operation of cooling and heating, when power factor correctio...

  • Page 135

    135 16.4.23 f91 (refrigeration cycle abnormality) malfunction decision conditions  the input current is low while the compressor is running at higher than the setting frequency. Malfunction caused  lack of gas.  3-way valve close. Troubleshooting note: some error code might not applicable for thi...

  • Page 136

    136 16.4.24 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  faulty outdoor pcb  faulty compressor ...

  • Page 137

    137 16.4.25 f95 (outdoor high pressure protection: cooling or soft dry) malfunction decision conditions  during operation of cooling or soft dry, when outdoor unit heat exchanger high temperature data is detected by the outdoor unit heat exchanger thermistor. Malfunction caused  outdoor heat excha...

  • Page 138

    138 16.4.26 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. Multi models only o compressor overheating: during operation of cooling and heating, when the compressor ol is act...

  • Page 139

    139 16.4.27 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  faulty compressor tank temperature sensor  2/3 way valve clos...

  • Page 140

    140 16.4.28 f98 (input over current detection) malfunction decision conditions  during operation of cooling and heating, when an input over-current (x value in total running current control) is detected by checking the input current value being detected by current transformer (ct) with the compress...

  • Page 141

    141 16.4.29 f99 (dc peak detection) malfunction decision conditions  during startup and operation of cooling and heating, when inverter dc peak data is received by the outdoor internal dc peak sensing circuitry. Malfunction caused  dc current peak due to compressor failure.  dc current peak due t...

  • Page 142

    142 warning 17. 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. 17.1 cs-e7pk cs-e9pk cs...

  • Page 143

    143 17.1.1.3 to remove discharge grille.

  • Page 144

    144 17.1.1.4 to remove control board 17.1.1.5 to remove cross flow fan and indoor fan motor.

  • Page 145

    145.

  • Page 146

    146 17.2 cs-e18pk cs-e21pk cs-e24pk cs-e28pk 17.2.1 indoor electronic controllers, cross flow fan and indoor fan motor removal procedures 17.2.1.1 to remove front grille 17.2.1.2 to remove horizontal vane.

  • Page 147

    147 17.2.1.3 to remove power electronic controller.

  • Page 148

    148 17.2.1.4 to remove discharge grille 17.2.1.5 to remove control board 17.2.1.6 to remove cross flow fan and indoor fan motor.

  • Page 149

    149.

  • Page 150

    150 17.3 outdoor electronic controller removal procedure 17.3.1 cu-e7pkr cu-e9pkr cu-e12pkr caution! When handling electronic controller, be careful of electrostatic discharge. 1 remove the 5 screws of the top panel. Fig.1 2 remove the 8 screws of the front panel. Fig.2 3 remove the screw of the ter...

  • Page 151

    151 17.3.2 cu-e15pkr cu-e18pkr cu-e21pkr 1 remove the 4 screws of the top panel. Fig.1 2 remove the 10 screws of the front panel. Fig.2 3 remove the top cover of the electronic controller. Fig.3 4 remove the control board. Fig.4 5 remove the 8 screws of the electronic controller. Fig.5 caution! When...

  • Page 152

    152 17.3.3 cu-e24pkr 1 remove the 4 screws of the top panel. Fig.1 2 remove the 10 screws of the front panel. Fig.2 3 remove the top cover of the electronic controller. Fig.3 4 remove the control board. Fig.4 5 remove the 8 screws of the electronic controller. Fig.5 caution! When handling electronic...

  • Page 153: 18. Technical

    153 18. Technical data 18.1 operation characteristics 18.1.1 cu-e7pkr  cooling characteristic [condition] indoor temperature: 27/19°c remote condition: high fan speed comp. Hz: f c piping length: 5.0m 16.000 16.500 17.000 17.500 18.000 18.500 19.000 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 3...

  • Page 154

    154  piping length characteristic [condition] indoor temperature: 27/19°c, 35/-°c remote condition: high fan speed comp. Hz: f c 16.640 16.660 16.680 16.700 16.720 16.740 16.760 16.780 16.800 16.820 16.840 16.860 16.880 3 4 5 6 7 8 9 10 11 12 13 14 15 o utdoor t e mper at ure ( °c ) piping length (...

  • Page 155

    155  heating characteristic [condition] indoor temperature: 20/-°c remote condition: high fan speed comp. Hz: f h piping length: 5.0m 25.000 27.000 29.000 31.000 33.000 35.000 37.000 39.000 41.000 43.000 45.000 47.000 -16 -14 -12 -10 -8 -6 -4 -2 0 2 4 6 8 10 12 14 16 18 20 22 24 ou td o o r t e mpe...

  • Page 156

    156  piping length characteristic [condition] indoor temperature: 20/-°c, 7/6°c remote condition: high fan speed comp. Hz: f h 34.600 34.700 34.800 34.900 35.000 35.100 35.200 3 4 5 6 7 8 9 10 11 12 13 14 15 o utdoor t e mper at ure ( °c ) piping length (m) 230 240 2.710 2.720 2.730 2.740 2.750 2.7...

  • Page 157

    157 18.1.2 cu-e9pkr  cooling characteristic [condition] indoor temperature: 27/19°c remote condition: high fan speed comp. Hz: f c piping length: 5.0m 16.000 16.500 17.000 17.500 18.000 18.500 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 o utdoor t e mper at ure ( °c ) outdoor air...

  • Page 158

    158  piping length characteristic [condition] indoor temperature: 27/19°c, 35/-°c remote condition: high fan speed comp. Hz: f c 16.450 16.500 16.550 16.600 16.650 3 4 5 6 7 8 9 10 11 12 13 14 15 o utdoor t e mper at ure ( °c ) piping length (m) 230 240 2.540 2.550 2.560 2.570 2.580 2.590 2.600 2.6...

  • Page 159

    159  heating characteristic [condition] indoor temperature: 20/-°c remote condition: high fan speed comp. Hz: f h piping length: 5.0m 24.000 26.000 28.000 30.000 32.000 34.000 36.000 38.000 40.000 42.000 44.000 -16 -14 -12 -10 -8 -6 -4 -2 0 2 4 6 8 10 12 14 16 18 20 22 24 ou td o o r t e mper at ur...

  • Page 160

    160  piping length characteristic [condition] indoor temperature: 20/-°c, 7/6°c remote condition: high fan speed comp. Hz: f h 33.300 33.400 33.500 33.600 33.700 33.800 33.900 34.000 34.100 34.200 34.300 34.400 34.500 3 4 5 6 7 8 9 10 11 12 13 14 15 ou td o o r t e mper at ure ( °c ) piping length ...

  • Page 161

    161 18.1.3 cu-e12pkr  cooling characteristic [condition] indoor temperature: 27/19°c remote condition: high fan speed comp. Hz: f c piping length: 5.0m 15.000 15.200 15.400 15.600 15.800 16.000 16.200 16.400 16.600 16.800 17.000 17.200 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 o utdoor t e mp...

  • Page 162

    162  piping length characteristic [condition] indoor temperature: 27/19°c, 35/-°c remote condition: high fan speed comp. Hz: f c 15.260 15.280 15.300 15.320 15.340 15.360 15.380 15.400 15.420 15.440 3 4 5 6 7 8 9 10 11 12 13 14 15 ou td o o r t e mper at ure ( °c ) piping length (m) 230 240 3.420 3...

  • Page 163

    163  heating characteristic [condition] indoor temperature: 20/-°c remote condition: high fan speed comp. Hz: f h piping length: 5.0m 27.000 29.000 31.000 33.000 35.000 37.000 39.000 41.000 43.000 45.000 47.000 49.000 -16 -14 -12 -10 -8 -6 -4 -2 0 2 4 6 8 10 12 14 16 18 20 22 24 ou td o o r t e mpe...

  • Page 164

    164  piping length characteristic [condition] indoor temperature: 20/-°c, 7/6°c remote condition: high fan speed comp. Hz: f h 36.600 36.800 37.000 37.200 37.400 37.600 37.800 38.000 3 4 5 6 7 8 9 10 11 12 13 14 15 o utdoor t e mper at ure ( °c ) piping length (m) 230 240 4.620 4.670 4.720 4.770 4....

  • Page 165

    165 18.1.4 cu-e15pkr  cooling characteristic [condition] indoor temperature: 27/19°c remote condition: high fan speed comp. Hz: f c piping length: 5.0m 12.500 13.000 13.500 14.000 14.500 15.000 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 o utdoor t e mper at ure ( °c ) outdoor air temperature (...

  • Page 166

    166  piping length characteristic [condition] indoor temperature: 27/19°c, 35/-°c remote condition: high fan speed comp. Hz: f c 13.750 13.800 13.850 13.900 13.950 14.000 14.050 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 ou td o o r t e mper at ure ( °c ) piping length (m) 230 240 4.150 4.200 4...

  • Page 167

    167  heating characteristic [condition] indoor temperature: 20/-°c remote condition: high fan speed comp. Hz: f h piping length: 5.0m 34.000 36.000 38.000 40.000 42.000 44.000 46.000 48.000 50.000 52.000 54.000 -16 -14 -12 -10 -8 -6 -4 -2 0 2 4 6 8 10 12 14 16 18 20 22 24 ou td o o r t e mper at ur...

  • Page 168

    168  piping length characteristic [condition] indoor temperature: 20/-°c, 7/6°c remote condition: high fan speed comp. Hz: f h 38.200 38.400 38.600 38.800 39.000 39.200 39.400 39.600 39.800 40.000 40.200 40.400 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 ou td o o r t e mper at ure ( °c ) piping...

  • Page 169

    169 18.1.5 cu-e18pkr  cooling characteristic [condition] indoor temperature: 27/19°c remote condition: high fan speed comp. Hz: f c piping length: 5.0m 13.200 13.400 13.600 13.800 14.000 14.200 14.400 14.600 14.800 15.000 15.200 15.400 15.600 15.800 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 o...

  • Page 170

    170  piping length characteristic [condition] indoor temperature: 27/19°c, 35/-°c remote condition: high fan speed comp. Hz: f c 14.550 14.600 14.650 14.700 14.750 14.800 14.850 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 ou td o o r t e mper at ure ( °c ) piping length (m) 230 240 4.700 4.750 4...

  • Page 171

    171  heating characteristic [condition] indoor temperature: 20/-°c remote condition: high fan speed comp. Hz: f h piping length: 5.0m 34.000 36.000 38.000 40.000 42.000 44.000 46.000 48.000 50.000 52.000 -16 -14 -12 -10 -8 -6 -4 -2 0 2 4 6 8 10 12 14 16 18 20 22 24 ou td o o r t e mper at ure ( °c ...

  • Page 172

    172  piping length characteristic [condition] indoor temperature: 20/-°c, 7/6°c remote condition: high fan speed comp. Hz: f h 37.400 37.600 37.800 38.000 38.200 38.400 38.600 38.800 39.000 39.200 39.400 39.600 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 ou td o o r t e mper at ure ( °c ) piping...

  • Page 173

    173 18.1.6 cu-e21pkr  cooling characteristic [condition] indoor temperature: 27/19°c remote condition: high fan speed comp. Hz: f c piping length: 5.0m 11.500 12.000 12.500 13.000 13.500 14.000 14.500 15.000 15.500 16.000 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 o utdoor t e mper at ure ( °c...

  • Page 174

    174  piping length characteristic [condition] indoor temperature: 27/19°c, 35/-°c remote condition: high fan speed comp. Hz: f c 13.800 14.000 14.200 14.400 14.600 14.800 15.000 15.200 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 ou td o o r t e mper at ure ( °c ) piping length (m) 230 240 6.150 6.200 ...

  • Page 175

    175  heating characteristic [condition] indoor temperature: 20/-°c remote condition: high fan speed comp. Hz: f h piping length: 5.0m 34.000 36.000 38.000 40.000 42.000 44.000 46.000 48.000 50.000 52.000 -16 -14 -12 -10 -8 -6 -4 -2 0 2 4 6 8 10 12 14 16 18 20 22 24 ou td o o r t e mper at ure ( °c ...

  • Page 176

    176  piping length characteristic [condition] indoor temperature: 20/-°c, 7/6°c remote condition: high fan speed comp. Hz: f h 33.000 34.000 35.000 36.000 37.000 38.000 39.000 40.000 41.000 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 ou td o o r t e mper at ure ( °c ) piping length (m) 230 240 5.200 5...

  • Page 177

    177 18.1.7 cu-e24pkr  cooling characteristic [condition] indoor temperature: 27/19°c remote condition: high fan speed comp. Hz: f c piping length: 5.0m 10.500 11.000 11.500 12.000 12.500 13.000 13.500 14.000 14.500 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 o utdoor t e mper at ure ( °c ) outd...

  • Page 178

    178  piping length characteristic [condition] indoor temperature: 27/19°c, 35/-°c remote condition: high fan speed comp. Hz: f c 12.600 12.800 13.000 13.200 13.400 13.600 13.800 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 ou td o o r t e mper at ure ( °c ) piping length (m) 230 240 6.850 6.900 6.950 7...

  • Page 179

    179  heating characteristic [condition] indoor temperature: 20/-°c remote condition: high fan speed comp. Hz: f h piping length: 5.0m 36.000 38.000 40.000 42.000 44.000 46.000 48.000 50.000 52.000 54.000 -16 -14 -12 -10 -8 -6 -4 -2 0 2 4 6 8 10 12 14 16 18 20 22 24 ou td o o r t e mper at ure ( °c ...

  • Page 180

    180  piping length characteristic [condition] indoor temperature: 20/-°c, 7/6°c remote condition: high fan speed comp. Hz: f h 35.000 36.000 37.000 38.000 39.000 40.000 41.000 42.000 43.000 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 ou td o o r t e mper at ure ( °c ) piping length (m) 230 240 5.500 6...

  • Page 181

    181 18.1.8 cu-e28pkr  cooling characteristic [condition] indoor temperature: 27/19°c remote condition: high fan speed comp. Hz: f c piping length: 5.0m 10.500 11.000 11.500 12.000 12.500 13.000 13.500 14.000 14.500 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 o utdoor t e mper at ure ( °c ) outd...

  • Page 182

    182  piping length characteristic [condition] indoor temperature: 27/19°c, 35/-°c remote condition: high fan speed comp. Hz: f c 12.600 12.800 13.000 13.200 13.400 13.600 13.800 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 o utdoor t e mper at ure ( °c ) piping length (m) 230 240 7.850 7.900 7.950 8.00...

  • Page 183

    183  heating characteristic [condition] indoor temperature: 20/-°c remote condition: high fan speed comp. Hz: f h piping length: 5.0m 35.000 37.000 39.000 41.000 43.000 45.000 47.000 49.000 51.000 53.000 55.000 -16 -14 -12 -10 -8 -6 -4 -2 0 2 4 6 8 10 12 14 16 18 20 22 24 ou td o o r t e mper at ur...

  • Page 184

    184  piping length characteristic [condition] indoor temperature: 20/-°c, 7/6°c remote condition: high fan speed comp. Hz: f h 34.000 35.000 36.000 37.000 38.000 39.000 40.000 41.000 42.000 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 o utdoor t e mper at ure ( °c ) piping length (m) 230 240 6.500 7.00...

  • Page 185

    185 18.2 sensible capacity chart  cu-e7pkr cu-e7pkr indoor outdoor temperature (°c db) ewb edb 20 25 30 32 %rh °c °c tc shc pi tc shc pi tc shc pi tc shc pi 51.8 14 20 1.99 1.98 0.36 2.01 1.91 0.39 1.95 1.89 0.42 1.91 1.87 0.43 54.1 16 22 2.10 1.95 0.36 2.10 1.88 0.39 2.03 1.86 0.42 1.99 1.86 0.44 ...

  • Page 186

    186  cu-e12pkr cu-e12pkr indoor outdoor temperature (°c db) ewb edb 20 25 30 32 %rh °c °c tc shc pi tc shc pi tc shc pi tc shc pi 51.8 14 20 3.34 2.96 0.64 3.35 2.86 0.70 3.27 2.82 0.76 3.23 2.80 0.78 54.1 16 22 3.54 2.91 0.64 3.50 2.81 0.70 3.42 2.78 0.76 3.36 2.78 0.79 50.0 17 24 3.66 2.94 0.65 3...

  • Page 187

    187  cu-e18pkr cu-e18pkr indoor outdoor temperature (°c db) ewb edb 20 25 30 32 %rh °c °c tc shc pi tc shc pi tc shc pi tc shc pi 51.8 14 20 4.99 3.97 1.00 4.83 3.84 1.10 4.66 3.79 1.19 4.59 3.76 1.23 54.1 16 22 5.29 3.91 1.01 5.06 3.78 1.10 4.86 3.74 1.20 4.78 3.73 1.24 50.0 17 24 5.46 3.96 1.02 5...

  • Page 188

    188  cu-e24pkr cu-e24pkr indoor outdoor temperature (°c db) ewb edb 20 25 30 32 %rh °c °c tc shc pi tc shc pi tc shc pi tc shc pi 51.8 14 20 6.60 5.21 1.63 6.52 5.04 1.78 6.43 4.96 1.93 6.38 4.93 1.99 54.1 16 22 6.99 5.12 1.64 6.82 4.95 1.79 6.71 4.90 1.94 6.65 4.89 2.00 50.0 17 24 7.22 5.19 1.65 7...

  • Page 189

    189 19. Exploded view and replacement parts list 19.1 indoor unit 19.1.1 cs-e7pkr cs-e9pkr cs-e12pkr cs-e15pkr 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 190

    190 safety ref no. Part name & description qty. Cs-e7pkr cs-e9pkr cs-e12pkr cs-e15pkr remark 1 chassis complete 1 cwd50c1653 ← ← ← 2 fan motor 1 arw7628ac ← ← arw7627ac o 3 cross flow fan complete 1 cwh02c1076 ← ← ← 4 bearing ass’y 1 cwh64k1006 ← ← ← 5 screw - cross flow fan 1 cwh551146 ← ← ← 6 ion ...

  • Page 191

    191 19.1.2 cs-e18pkr cs-e21pkr cs-e24pkr cs-e28pkr 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 192

    192 safety ref no. Part name & description qty. Cs-e18pkr cs-e21pkr cs-e24pkr cs-e28pkr remark 1 chassis complete 1 cwd50c1623 ← ← ← 2 fan motor 1 arw7627ac ← ← ← o 3 cross flow fan complete 1 cwh02c1077 ← ← ← 4 bearing ass’y 1 cwh64k1006 ← ← ← 5 screw - cross flow fan 1 cwh551146 ← ← ← 6 ion genera...

  • Page 193

    193 19.2 outdoor unit 19.2.1 cu-e7pkr cu-e9pkr cu-e12pkr 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 194

    194 safety ref. No. Description & name qty. Cu-e7pkr cu-e9pkr cu-e12pkr remark 1 base pan ass'y 1 cwd52k1277 ← ← 2 sound proof material 1 cwg302314 cwg302719 ← 3 fan motor bracket 1 cwd541167 ← ← 4 screw - fan motor bracket 2 cwh551217 ← ← 5 fan motor 1 ars6411ac ← ← o 6 screw - fan motor mount 4 cw...

  • Page 195

    195 19.2.2 cu-e15pkr cu-e18pkr 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 196

    196 safety ref. No. Description & name qty. Cu-e15pkr cu-e18pkr remark 1 base pan ass'y 1 cwd52k1191 ← 2 anti - vibration bushing 3 cwh50077 ← 3 compressor 1 5rd132xfa21 ← o 4 nut - compressor mount 3 cwh56000j ← 5 sound proof material 1 cwg302861 ← 6 fan motor bracket 1 cwd541126 ← 7 fan motor 1 cw...

  • Page 197

    197 19.2.3 cu-e21pkr 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 198

    198 safety ref. No. Description & name qty. Cu-e21pkr remark 1 base pan ass'y 1 cwd52k1190 2 anti - vibration bushing 3 cwh50055 3 packing 3 cwb81043 4 compressor 1 5kd240xaf21 o 5 nut - compressor mount 3 cwh561049 9 fan motor bracket 1 cwd541126 10 fan motor 1 cwa951671 o 11 screw - fan motor brac...

  • Page 199

    199 19.2.4 cu-e24pkr 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 200

    200 safety ref. No. Description & name qty. Cu-e24pkr remark 1 base pan ass'y 1 cwd52k1190 2 anti - vibration bushing 3 cwh50055 3 packing 3 cwb81043 4 compressor 1 5kd240xaf21 o 5 nut - compressor mount 3 cwh561049 9 fan motor bracket 1 cwd541127 10 fan motor 1 ehds80c60ac o 11 screw - fan motor br...

  • Page 201

    201 19.2.5 cu-e28pkr.

  • Page 202

    202.

  • Page 203

    203 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 204

    204 safety ref. No. Description & name qty. Cu-e28pkr remark 1 base pan ass'y 1 cwd52k1295 2 compressor 1 5kd240xaf21 o 3 anti - vibration bushing 3 cwh50055 4 nut - compressor mount 3 cwh561049 5 packing 3 cwb811017 6 crankcase heater 1 cwa341080 o 7 condenser complete 1 cwb32c3300 8 sound proof ma...

  • Page 205

    205 safety ref. No. Description & name qty. Cu-e28pkr remark 70 shock absorber 1 cwg712854 71 c.C. Case 1 cwg567822 (note)  all parts are supplied from papamy, malaysia (vendor code: 00029488). “o” marked parts are recommended to be kept in stock. Printed in malaysia fb0 813 - 0