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128 

REF. 

NO. 

PART NAME & DESCRIPTION 

QTY. 

CS-S18NKV CS-S24NKV CS-S28NKV 

REMARK 

1 CHASSIS 

COMPLETE 

1 CWD50C1604 

 

 

  

2 FAN 

MOTOR 

1 ARW7628AC ARW7627AC 

 O 

CROSS-FLOW FAN COMPLETE 

CWH02C1077 

 

 

  

4 BEARING 

ASSY 

1 CWH64K007 

 

 

  

SCREW - CROSS-FLOW FAN 

CWH551146 

 

 

  

6 GENERATOR 

COMPLETE 

1 CWH94C0043 

 

 

  

7  EVAPORATOR 

1  CWB30C3198 CWB30C3654 CWB30C3766 

 

 

FLARE NUT (LIQUID) 

CWT251030 

 

 

  

FLARE NUT (GAS) 

CWT251032 

CWT251033 

 

  

10 

CLIP FOR SENSOR 

CWH32143 

 

 

  

11 

CONTROL BOARD CASING 

CWH102449 

 

 

  

12 

TERMINAL BOARD COMPLETE 

CWA28C2439 

CWA28C2441 

 O 

13 

ELECTRONIC CONTROLLER - MAIN 

1  CWA73C6247 CWA73C6248 CWA73C6249 

14 

ELECTRONIC CONTROLLER - HVU 

N0GE1F000002 

 

 O 

15 

ELECTRONIC CONTROLLER - INDICATOR 

CWA746634 

 

 O 

16 SENSOR 

COMPLETE 

1 CWA50C2401 

 CWA50C2782 

17 

SENSOR COMPLETE (ECO) 

CWA50C2826 

 

 O 

18 

ELECTRONIC CONTROLLER (ECO SENSOR)  

CWA745791 

 

 O 

19 

ELECTRONIC CONTROLLER (ECO SENSOR)  

CWA746206 

 

 O 

20 ELECTRONIC 

CONTROLLER 

(COMPARATOR) 

1  CWA746653 

 

 O 

21 

LEAD WIRE - PCB ECO 

CWA67C9934 

 

 

  

22 

CONTROL BOARD CASING FOR PCB ECO 

CWD933407A 

 

 

  

23 

CONTROL BOARD TOP COVER 

CWH131467 

 

 

  

24 INDICATOR 

HOLDER 

1  CWD933406 

 

 

  

25 

CONTROL BOARD FRONT COVER CO. 

CWH13C1247 

 

 

  

26 

DISCHARGE GRILLE COMPLETE 

CWE20C3244 

 

 

  

27 BACK 

COVER 

CHASSIS 

1 CWD933031A 

 

 

  

28 FULCRUM 

2  CWH621138 

 

 

  

29 VERTICAL 

VANE 

11 CWE241374 

 

 

  

30 CONNECTING 

BAR 

1  CWE261257 

 

 

  

31 CONNECTING 

BAR 

1  CWE261258 

 

 

  

32 

AIR SWING MOTOR 

CWA98K1018 

 

 O 

33 

AIR SWING MOTOR 

CWA981241 

 

 O 

34 

CAP - DRAIN TRAY 

CWH521096 

 

 

  

35 

HORIZONTAL VANE COMPLETE 

CWE24C1392 

CWE24C1395 

 

  

36 REMOTE 

CONTROL 

COMPLETE 

1 CWA75C3865 

 

 O 

37 

FRONT GRILLE COMPLETE 

CWE11C5129 

 CWE11C5130 

38 

INTAKE GRILLE COMPLETE 

CWE22C1729 

 

 

  

39 

GRILLE DOOR COMPLETE 

CWE14C1091 

 

 

  

40 AIR 

FILTER 

2  CWD001283 

 

 

  

41 

SCREW - FRONT GRILLE 

XTT4+16CFJ 

 

 

  

42 

CAP - FRONT GRILLE 

CWH521227A 

 

 

  

43 DRAIN 

HOSE 

1  CWH851174 

 

 

  

44 INSTALLATION 

PLATE 

1  CWH361098 

 

 

  

45 

BAG COMPLETE - INSTALLATION SCREW 

CWH82C1705 

 

 

  

46 OPERATING 

INSTRUCTION 

1  CWF568408 

 

 

  

47 INSTALLATION 

INSTRUCTION 

1  CWF615273 

 CWF615084 

 

 

48 INSTALLATION 

INSTRUCTION 

1  CWF615274 

 CWF615085 

 

 

49 

POWER SUPPLY CORD 

CWA20C2851 

CWA20C2853 

 

  

Summary of Contents for CS-S9NKV

Page 1: ...ormation is designed for experienced repair technicians only and is not designed for use by the general public It does not contain warnings or cautions to advise non technical individuals of potential...

Page 2: ...Operation 61 11 12 Mild Dry Cooling Operation 63 11 13 AUTO COMFORT and ECO NAVI Operation 64 12 Protection Control 73 12 1 Restart Control Time Delay Safety Control 73 12 2 30 Seconds Forced Operatio...

Page 3: ...alled with Earth Leakage Circuit Breaker ELCB or Residual Current Device RCD Otherwise it may cause electrical shock and fire in case equipment breakdown or insulation breakdown 10 Do not use joint ca...

Page 4: ...inlet and aluminium fin It may cause injury 5 Select an installation location which is easy for maintenance 6 Pb free solder has a higher melting point than standard solder typically the melting poin...

Page 5: ...ss 6 poles Brushless 6 poles Compressor Output Power W 650 650 Type Cross Flow Fan Cross Flow Fan Material ASG20K1 ASG20K1 Motor Type Induction 4 poles Induction 4 poles Input Power W 51 0 51 0 Output...

Page 6: ...Aluminium Pre coated Fin Type Slit Fin Slit Fin Row x Stage x FPI 2 15 21 2 15 21 Indoor Heat Exchanger Size W x H x L mm 610 315 25 4 610 315 25 4 Fin Material Aluminium Blue coated Aluminium Blue c...

Page 7: ...Brushless 4 poles Compressor Output Power W 900 900 Type Cross Flow Fan Cross Flow Fan Material ASG30K1 ASG30K1 Motor Type Transistor 8 poles Transistor 8 poles Input Power W 94 8 94 8 Output Power W...

Page 8: ...luminium Pre Coated Fin Type Slit Fin Slit Fin Row x Stage x FPI 2 15 17 2 15 21 Indoor Heat Exchanger Size W x H x L mm 810 315 25 4 810 315 25 4 Fin Material Aluminium Blue Coated Aluminium Blue Coa...

Page 9: ...ss 4 poles Compressor Output Power W 1 70k Type Cross Flow Fan Material ASG30K1 Motor Type Transistor 8 poles Input Power W 94 8 Output Power W 40 QLo rpm 910 Lo rpm 1000 Me rpm 1270 Hi rpm 1540 Indoo...

Page 10: ...minium Pre Coated Fin Type Slit Fin Row x Stage x FPI 2 15 21 Indoor Heat Exchanger Size W x H x L mm 810 315 25 4 Fin Material Aluminium Blue Coated Fin Type Slit Fin Row x Stage x FPI 2 36 17 Outdoo...

Page 11: ...ontrol is misplaced or a malfunction occurs Horizontal airflow direction louver Do not adjust by hand POWE R TIM ER AUTO C OMFO RT NANOE G POWE RFUL QUIE T Air Filters nanoe G GENERATOR Do not touch d...

Page 12: ...e Relative position between the indoor unit and the installation plate Front View Unit mm Right piping hole Left piping hole 16 5 548 264 2 128 165 128 Indoor unit external dimensions line Installatio...

Page 13: ...g hole Left piping hole Installation plate Indoor unit external dimensions line Side View Side View 1 2 1 2 1070 240 290 61 1 115 125 60 60 240 360 41 61 Remote Control Holder Remote Control 22 42 134...

Page 14: ...llation Anchor Bolt Pitch 261 x 474 Top View Front View 18 650 88 474 88 79 134 261 293 736 18 70 131 511 12 15 230 Side View Side View 3 way valve at Gas side Low Pressure 2 way valve at Liquid side...

Page 15: ...15 4 2 3 CU S18NKV CU S24NKV...

Page 16: ...16 4 2 4 CU S28NKV...

Page 17: ...17 5 Refrigeration Cycle Diagram 5 1 CS S9NKV CU S9NKV CS S12NKV CU S12NKV...

Page 18: ...18 5 2 CS S18NKV CU S18NKV CS S24NKV CU S24NKV...

Page 19: ...19 5 3 CS S28NKV CU S28NKV...

Page 20: ...20 6 Block Diagram 6 1 CS S9NKV CU S9NKV SINGLE PHASE POWER SUPPLY RY PWR C FM SSR301 CR303 C303 L301 TEMP FUSE SC FAN MOTOR M 1 FUSE301 U L N...

Page 21: ...ASE POWER SUPPLY RY PWR RY PWR PTC1 PTC REACTOR RY FM RY C CR1 C FM C FM SSR301 CR303 C303 CT102 C101 L301 TEMP FUSE SC SC FAN MOTOR FAN MOTOR INDOOR UNIT NOISE FILTER OUTDOOR UNIT M 1 M 1 M 3 FUSE301...

Page 22: ...CS S24NKV CU S24NKV SINGLE PHASE POWER SUPPLY INDOOR UNIT OUTDOOR UNIT NOISE FILTER FUSE301 FUSE3 CT400 C FM C205 RY C RY FM CR6 CR4 REACTOR RY PWR RY PWR PTC PTC1 PTC2 TEMP FUSE SC SC M M 1 MS 3 1 2...

Page 23: ...23 6 4 CS S28NKV CU S28NKV POWER SUPPLY INDOOR UNIT OUTDOOR UNIT NOISE FILTER SC FM SSR FUSE 1 2 3 FUSE REACTOR FUSE COMP L N...

Page 24: ...24 7 Wiring Connection Diagram 7 1 Indoor Unit 7 1 1 CS S9NKV CS S12NKV...

Page 25: ...25 7 1 2 CS S18NKV CS S24NKV...

Page 26: ...26 7 1 3 CS S28NKV...

Page 27: ...27 7 2 Outdoor Unit 7 2 1 CU S9NKV RED RED TRADE MARK BLUE BLU YELLOW YLW COMP TERMINAL Resistance of Compressor Windings MODEL CU S9NKV CONNECTION 5RS092XCE21 U V 1 152 U W 1 152 V W 1 152...

Page 28: ...250V BLU YLW U V W COMP TEMPERATURE SENSOR THERMISTOR SENSOR COMPLETE 1 3 CN TANK WHT t 0 MS 3 P N SWITCHING POWER SUPPLY CIRCUIT RECTIFICATION CIRCUIT FUSE102 T3 15A L250V BLU RED YLW FM1 BLU FM2 RED...

Page 29: ...0V BLU YLW U V W COMP TEMPERATURE SENSOR THERMISTOR SENSOR COMPLETE 1 3 CN TANK WHT t 0 MS 3 P N SWITCHING POWER SUPPLY CIRCUIT RECTIFICATION CIRCUIT FUSE2 T3 15A L250V BLU RED YLW FAN MOTOR CIRCUIT F...

Page 30: ...TERMINAL BOARD TERMINAL BOARD TO INDOOR UNIT POWER SUPPLY FAN MOTOR BLK L N 1 2 3 BLK WHT CORE CORE CORE COMPRESSOR SENSOR COMPLETE OUTDOOR AIR TEMPERATURE SENSOR THERMISTOR OUTDOOR AIR HEAT EXCHANGE...

Page 31: ...31 8 Electronic Circuit Diagram 8 1 Indoor Unit 8 1 1 CS S9NKV CS S12NKV...

Page 32: ...32 8 1 2 CS S18NKV CS S24NKV...

Page 33: ...33 8 1 3 CS S28NKV...

Page 34: ...istics 70 60 50 40 30 20 10 0 10 0 10 Temperature o C Resistance 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...

Page 35: ...M 1 FAN MOTOR CIRCUIT FUSE101 20A 250V 3 RED 2 WHITE 1 BLACK NOISE FILTER CIRCUIT COMMUNICATION CIRCUIT PFC CIRCUIT TANK TEMP SENSOR 1 3 CN TANK WHT 5V OUTDOOR TEMP SENSOR PIPING TEMP SENSOR1 1 2 3 4...

Page 36: ...RCUIT PFC CIRCUIT PIPING TEMP SENSOR1 3 4 CN TH1 WHT OUTDOOR TEMP SENSOR 1 2 R101 C46 C45 R100 5V TANK TEMP SENSOR 1 3 CN TANK WHT 5V R410 C49 SWITCHING POWER SUPPLY CIRCUIT COMPRESSOR RED BLU YLW MS...

Page 37: ...GE TEMP SENSOR 50k Ohm 3950 CORE CAPACITOR 460V 3 5 F CORE REACTOR WHT BLK WHT AC BLK AC WHT RY PWR2 RY PWR1 RY HL RY C CN BLK CN WHT CN COM YLW CN COM YLW CN ACFM WHT CN DIS WHT 1 1 3 1 3 4 3 2 CN TH...

Page 38: ...9 Printed Circuit Board 9 1 Indoor Unit 9 1 1 Main Printed Circuit Board 9 1 1 1 CS S9NKV CS S12NKV CN STM2 CN CNT SW01 RY PWR CN FB CN PCFM AC303 AC304 G301 CN RMT CN STM1 CN MSENS CN DISP CN TH CN C...

Page 39: ...39 9 1 1 2 CS S18NKV CS S24NKV CS S28NKV CN STM2 CN CNT SW01 RY PWR CN FM G301 AC303 AC304 CN RMT CN STM1 CN MSENS CN DISP CN TH CN CLN...

Page 40: ...40 9 1 2 Indicator Printed Circuit Board CN DISP 9 1 3 High Voltage Power Supply Printed Circuit Board GND 9 1 4 Comparator Printed Circuit Board CN SENS2 CN SENS1 CN MSENS...

Page 41: ...41 9 1 5 Human Activity Sensor Printed Circuit Board...

Page 42: ...42 9 2 Outdoor Unit 9 2 1 Main Printed Circuit Board 9 2 1 1 CU S9NK...

Page 43: ...43 9 2 1 2 CU S12NK...

Page 44: ...44 9 2 1 3 CU S18NK CU S24NK...

Page 45: ...45 9 2 1 4 CU S28NK...

Page 46: ...46 9 2 2 Noise Filter Printed Circuit Board 9 2 2 1 CU S9NKV...

Page 47: ...47 9 2 2 2 CU S28NKV...

Page 48: ...ed installation height for indoor unit shall be at least 2 5 m 10 1 2 Outdoor Unit If an awning is built over the unit to prevent direct sunlight or rain be careful that heat radiation from the conden...

Page 49: ...bolts o Always mount the installation plate horizontally by aligning the marking off line with the thread and using a level gauge 2 Drill the piping plate hole with 70 mm hole core drill o Line accor...

Page 50: ...2 3 Indoor Unit Installation 10 2 3 1 For the right rear piping 10 2 3 2 For the right and right bottom piping 10 2 3 3 For the embedded piping This can be used for left rear piping and bottom piping...

Page 51: ...se joint connection cable Replace the wire if the existing wire from concealed wiring or otherwise is too short Secure the connection cable onto the control board with the holder Note Isolating Device...

Page 52: ...ng 1 Please cut using pipe cutter and then remove the burrs 2 Remove the burrs by using reamer If burrs are not removed gas leakage may be caused Turn the piping end down to avoid the metal powder ent...

Page 53: ...tube assembly onto the copper pipe In case of using long piping Connect the piping Align the center of piping and sufficiently tighten the flare nut with fingers Further tighten the flare nut with to...

Page 54: ...g 0 MPa to 76 cmHg 0 1 MPa Then evacuate the air approximately ten minutes 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 m...

Page 55: ...control board with the holder clamper 4 Attach the control board cover back to the original position with screw 5 For wire stripping and connection requirement refer to instruction g of indoor unit E...

Page 56: ...at control Compressor is OFF when intake Air Temperature Internal Setting Temperature 0 5 C Compressor is ON after waiting for 3 minutes if the Intake Temperature Internal Setting Temperature Compress...

Page 57: ...error counter increased to 7 then H19 fan motor error is detected Operation stopped and could not be restarted 11 3 Outdoor Fan Motor Operation For S9 12 18NK Outdoor fan motor is operated with one fa...

Page 58: ...the vane swings up and down within the angles as stated above It does not swing during fan motor stop When the air conditioner is stopped using remote control the vane will shift to close position Man...

Page 59: ...ted to quiet operation of the new fan speed When operation mode is changed quiet operation is shifted to quiet operation of the new mode During quiet operation if ON timer activates quiet operation ma...

Page 60: ...ON OFF operation button the ON Timer or OFF Timer setting will not be cancelled 2 To cancel the previous timer setting press CANCEL button 3 To activate the previous timer setting press SET button 4 I...

Page 61: ...pressed no signal is sent to the unit and no change on remote control display Auto Fan Speed for nanoe G operation changes from SHi to Hi after 4 hours of operation Airflow direction control o During...

Page 62: ...ion to cancel the blinking o Abnormal discharge error Judgment method During nanoe G operation the nanoe G system has abnormal discharge due to short circuit caused by water or dust adhesion and so fo...

Page 63: ...n room humidity while maintaining the setting temperature During unit running at Cooling operation mode if Mild Dry Cooling button is pressed Mild Dry Cooling operation starts and Mild Dry Cooling ind...

Page 64: ...nditions When ECO NAVI button is pressed again When unit is OFF by OFF ON button When unit is OFF when OFF TIMER activates When unit is OFF by AUTO OFF ON button at indoor unit When POWERFUL QUIET or...

Page 65: ...ors 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 A C 1 1 A B C 0 0 Indicator ON Indicator...

Page 66: ...lse is detected within this timeframe the status of human presence is judged When there is no signal detection continues for 20 minutes or more the status of human absence is judged 11 13 1 7 Setting...

Page 67: ...Sensor ECONAVI To optimize energy saving AUTO COMFORT To maximize comfort AUTO COMFORT Heat Source Movement Normal High Low None Set Fan Speed Medium Fan 1 tap 2 C 1 C 1 C 1 tap COOL DRY Mode Set Tem...

Page 68: ...er 2 seconds return to normal mode Remote control normal mode To disable ECO Demo MODE Transmit ECO Demo signal again Operation details Infrared Sensor Human Activity Indicator Sensor 1 Sensor 2 Left...

Page 69: ...ate without AUTO COMF ECO NAVI 11 13 1 11 Infrared Sensor Check Mode To enable Infrared sensor abnormality check mode SET SET Transmit ECO demo code and after 2 seconds return to normal mode Press con...

Page 70: ...her optimize energy saving by adjusting the temperature Sunlight judgment is as following Sunlight intensity reset Judge sunlight intensity Judge ambient condition Temperature shift 11 13 2 1 Sunlight...

Page 71: ...3 Default sensitive level Sensitivity Level 5 More sensitive to sunlight intensity Default Battery insert Set to Level 3 Other than default Display last set data Transmit solar radiation level after 2...

Page 72: ...ndicator turns ON Else if sunlight sensor detected sunlight intensity value below minimum level the ECONAVI indicator is OFF To disable sunlight sensor check mode o After check mode is ended 5 minutes...

Page 73: ...frequency instructed will be increased However if total outdoor unit running current exceeds Y value compressor will be stopped immediately for 3 minutes Model S9 S12 S18 S24 S28 Operation Mode X A Y...

Page 74: ...within 20 minutes the unit will Stop operation Timer LED blinks and F91 indicated 12 7 Compressor Tank Temperature Rise Protection Control Control start conditions o For 5 minutes the compressor cont...

Page 75: ...her than 5 C At the same time indoor fan speed will be higher than during its normal operation If indoor heat exchanger is higher than 5 C for 5 minutes the fan speed will return to its normal operati...

Page 76: ...ontrol and timer preliminary operation this control is not applicable o Control content Depends on compressor conditions 1 Compressor OFF Compressor ON The indoor unit fan stops temporarily and then s...

Page 77: ...AC Reset button and then press any button at remote control to transmit and store the desired transmission code to the EEPROM There are 4 types of remote control transmission code could be selected Th...

Page 78: ...returns to original display after 2 seconds o LCD returns to original display if remote control does not operate for 30 seconds 13 2 2 RESET RC To clear and restore the remote control setting to facto...

Page 79: ...Mpa kg cm 2 G Outlet air Temperature C Cooling Mode 0 9 1 2 9 12 12 16 Condition Indoor fan speed High Outdoor temperature 35 C at cooling mode Compressor operate at rated frequency Different in the i...

Page 80: ...w Pressure High Pressure Electric current during operation Insufficient refrigerant gas leakage Clogged capillary tube or strainer Short circuit in the indoor unit Heat radiation deficiency of the out...

Page 81: ...2 3 To Display Memorized Error Code Protective Operation 1 Turn power on 2 Press the CHECK button on the remote control 3 will be displayed on the remote control display Note Display only for No sign...

Page 82: ...Air circulation short circuit H99 Indoor heat exchanger freeze prevention protection Insufficient refrigerant Air filter dirty F11 4 way valve switching failure 4 occurrences within 30 minutes 4 way...

Page 83: ...transmission is checked whether it is normal Malfunction Caused Faulty indoor unit PCB Faulty outdoor unit PCB Indoor unit outdoor unit signal transmission error due to wrong wiring Indoor unit outdo...

Page 84: ...re interconnected Malfunction Caused Wrong models interconnected Wrong indoor unit or outdoor unit PCBs mounted Indoor unit or outdoor unit PCBs defective Indoor outdoor unit signal transmission error...

Page 85: ...tion 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 Cause...

Page 86: ...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 F...

Page 87: ...ons 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 de...

Page 88: ...termine abnormal fan motor feedback of rotation 2550rpm or 50rpm Malfunction Caused Operation stops due to short circuit inside the fan motor winding Operation stops due to breaking of wire inside the...

Page 89: ...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...

Page 90: ...tion 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 Faul...

Page 91: ...tion 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 Fau...

Page 92: ...ion 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 C...

Page 93: ...lfunction 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...

Page 94: ...ration is used to determine abnormal fan motor Malfunction Caused Operation stops due to short circuit inside the fan motor winding Operation stops due to breaking of wire inside the fan motor Operati...

Page 95: ...uring heating operation the temperature detected by the indoor pipe temperature sensor is above 60 C Malfunction Caused Clogged air filter of the indoor unit Dust accumulation on the indoor unit heat...

Page 96: ...n 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 exchanger Air short circuit Dete...

Page 97: ...unction 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 p...

Page 98: ...eration 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 due to power...

Page 99: ...cooling and heating operation running current 0 65A I 1 65A During cooling indoor intake indoor pipe 4 C Malfunction Caused Refrigerant shortage refrigerant leakage Poor compression performance of com...

Page 100: ...lfunction Decision Conditions A compressor rotation failure is detected by checking the compressor running condition through the position detection circuit Malfunction Caused Compressor terminal disco...

Page 101: ...detected by the outdoor pipe temperature sensor Malfunction Caused Outdoor pipe temperature rise due to short circuit of hot discharge air flow Outdoor pipe temperature rise due to defective of outdo...

Page 102: ...ture 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 of outdoor fan motor IPM overhe...

Page 103: ...on 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 cl...

Page 104: ...etected by checking the input current value being detected by current transformer CT with the compressor running Malfunction Caused Over current due to compressor failure Over current due to defective...

Page 105: ...tdoor unit PCB Troubleshooting Checking the power transistor Never touch any live parts for at least 10 minutes after turning off the circuit breaker If unavoidable necessary to touch a live part make...

Page 106: ...S9NK CS S12NK 15 1 1 Indoor Electronic Controllers Cross Flow Fan and Indoor Fan Motor Removal Procedures 15 1 1 1 To remove front grille 2 Remove 2 caps and 2 screws at the bottom of discharge vane...

Page 107: ...connector Black and Brown from the electronic controller 12 Detach AC304 RED from Terminal Board CN STM2 CN STM1 9 Pull out the main electronic controller controller halfway 8 Remove screw to remove...

Page 108: ...oard then pull out the control board Figure 6 15 1 1 5 To remove cross flow fan and indoor fan motor the cross flow fan and fan motor axis 16 Remove the screw that holding Figure 7 18 Remove the beari...

Page 109: ...reinstall the fan motor adjust the fan motor connector to 45 towards you before fixing control board 20 Remove the cross flow fan from the unit by pulling it to the left and downward Evaporator Cross...

Page 110: ...s Flow Fan and Indoor Fan Motor Removal Procedures 15 2 1 1 To remove front grille 2 Remove 3 caps and 4 screws at the bottom of discharge vane 3 Hold both sides of the frontgrille and remove it by pu...

Page 111: ...the high voltage generator 10 Detach 6 connectors as labeled from the electronic controller Then pull out main controller gently 11 Detach AC303 WHT RY PWR connector Black and Brown from the electroni...

Page 112: ...he discharge grille downward gently to dismantle it Figure 16 15 2 1 5 To remove control board 15 Remove 4 screws holding the control board then pull out the control board Figure 17 15 2 1 6 To remove...

Page 113: ...removed after the removal of cross flow fan Reminder To reinstall the fan motor adjust the fan motor connector to 45 towards you before fixing control board 20 Remove the cross flow fan from the unit...

Page 114: ...nical Data 16 1 Operation Characteristics 16 1 1 CS S9NKV CU S9NKV Cooling Characteristic o Room temperature 27 C DBT 19 C WBT o Operation condition High fan speed o Piping length 7 5m o Compressor Fr...

Page 115: ...115 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 116: ...116 16 1 2 CS S12NKV CU S12NKV 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 117: ...117 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 118: ...118 16 1 3 CS S18NKV CU S18NKV 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 119: ...119 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 120: ...120 16 1 4 CS S24NKV CU S24NKV 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 121: ...121 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 122: ...122 16 1 5 CS S28NKV CU S28NKV 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 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 Compressor Frequency Fc...

Page 124: ...w and Replacement Parts List 17 1 Indoor Unit 17 1 1 CS S9NKV CS S12NKV Note The above exploded view is for the purpose of parts disassembly and replacement The non numbered parts are not kept as stan...

Page 125: ...746653 O 21 LEAD WIRE PCB ECO 1 CWA67C9785 22 CONTROL BOARD CASING FOR PCB ECO 1 CWD933407 23 CONTROL BOARD TOP COVER 1 CWH131467 24 INDICATOR HOLDER 1 CWD933406 25 CONTROL BOARD FRONT COVER CO 1 CWH1...

Page 126: ...CS S12NKQ REMARK 50 BAG 1 CWG861497 51 SHOCK ABSORBER L 1 CWG713386 52 SHOCK ABSORBER R 1 CWG713387 53 C C CASE 1 CWG567350 Note All parts are supplied from PAPAMY Malaysia Vendor Code 00029488 O mar...

Page 127: ...127 17 1 2 CS S18NKV CS S24NKV CS S28NKV 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 128: ...746653 O 21 LEAD WIRE PCB ECO 1 CWA67C9934 22 CONTROL BOARD CASING FOR PCB ECO 1 CWD933407A 23 CONTROL BOARD TOP COVER 1 CWH131467 24 INDICATOR HOLDER 1 CWD933406 25 CONTROL BOARD FRONT COVER CO 1 CWH...

Page 129: ...24NKV CS S28NKV REMARK 50 BAG 1 CWG861498 51 SHOCK ABSORBER L 1 CWG713402 52 SHOCK ABSORBER R 1 CWG713403 53 C C CASE 1 CWG567453 Note All parts are supplied from PAPAMY Malaysia Vendor Code 00029488...

Page 130: ...17 2 Outdoor Unit 17 2 1 CU S9NKV 40 20 41 38 39 36 37 Note The above exploded view is for the purpose of parts disassembly and replacement The non numbered parts are not kept as standard service par...

Page 131: ...CWH151185 20 SOUND PROOF MATERIAL 1 CWG302478 21 SOUND PROOF MATERIAL 1 CWG302532 22 SENSOR CO COMP TEMP 1 CWA50C2205 O 23 CONTROL BOARD COVER TOP 1 CWH131324 24 ELECTRONIC CONTROLLER MAIN 1 CWA73C630...

Page 132: ...132 17 2 2 CU S12NKV 41 42 39 40 37 38 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: ...PROOF BOARD 1 CWH151172 21 SOUND PROOF MATERIAL 1 CWG302431 22 SENSOR CO COMP TEMP 1 CWA50C2205 O 23 CONTROL BOARD COVER TOP 1 CWH131264 24 ELECTRONIC CONTROLLER MAIN 1 CWA73C6336R O 26 TERMINAL BOARD...

Page 134: ...4 30 31 19 35 47 45 46 43 44 40 21 20 16 18 38 32 29 17 24 14 22 3 4 41 5 26 37 48 28 15 39 Note The above exploded view is for the purpose of parts disassembly and replacement The non numbered parts...

Page 135: ...UT TERMINAL COVER 1 CWH7080300J 22 SENSOR CO COMP TEMP 1 CWA50C2185 O 26 SENSOR CO AIR TEMP AND PIPE TEMP 1 CWA50C2517 O 28 REACTOR 1 G0C153J00005 O 29 TERMINAL BOARD ASSY 1 CWA28K1036J O 30 ELECTRONI...

Page 136: ...136 17 2 4 CU S28NKV 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 137: ...AL COVER 1 CWH171039A 25 NUT TERMINAL COVER 1 CWH7080300J 30 SENSOR CO COMP TEMP 1 CWA50C2656 O 31 SENSOR CO AIR TEMP AND PIPE TEMP 1 CWA50C2517 O 32 REACTOR 1 G0C452J00002 O 33 PLATE C B COVER TERMIN...

Page 138: ...TY CU S28NKV REMARK 59 SHOCK ABSORBER RIGHT 1 CWG712880 60 C C CASE 1 CWG567776 Note All parts are supplied from PHAAM Malaysia Vendor Code 00029488 O marked parts are recommended to be kept in stock...

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