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Panasonic CS-HE12JKE, Service Manual, Page: 95 / 97

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Panasonic CS-HE12JKE Service Manual Download Page 95

95

(NOTE)

• All parts are supplied from PHAAM, Malaysia (Vendor Code: 00029488).

REF. NO.

PART NAME & DESCRIPTION

QTY.

CS-HE9JKE

CS-HE12JKE

1

CHASSY COMPLETE

1

CWD50C1551

←

2

FAN MOTOR, DC 30W 3PH

1

CWA981194CB

←

3

CROSS-FLOW FAN CO.

1

CWH02C1024

←

4

BEARING ASSY

1

CWH64K1005

←

5

HOLDER-FAN MOTOR

1

CWD911313

←

6

SCREW-HOLDER  FAN MOTOR

4

XTT4+12CFJ

←

7

L SHAPED PLATE-FOR CHASSY

1

CWD601065B

←

8

EVAPORATOR CO.

1

CWB30C2285

CWB30C2286

9

FLARE NUT (1/4)

1

CWT25086

←

10

HOLDER SENSOR

1

CWH321085

←

11

BACK COVER CHASSIS

1

CWD911316B

←

12

DISCHARGE GRILLE COMPLETE

1

CWE20C2739

←

13

VERTICAL VANE

16

CWE241239

←

14

CONNECTING BAR

1

CWE261056A

←

15

CONNECTING BAR

1

CWE261057A

←

16

GEAR COMPLETE (VERTICAL VANE)

1

CWH68C1017

←

17

A.S. MOTOR, DC SINGLE 12V 300 OHM

1

CWA981107J

←

18

LEAD WIRE FOR AIR SWING MOTOR

1

CWA67C4688

←

19

FULCRUM

1

CWH621031A

←

20

HORIZONTAL VANE COMPLETE

1

CWE24C1212

←

21

A.S. MOTOR, DC SINGLE 12V 250 OHM

1

CWA981105J

←

22

LEADWIRE (A.S. MOTOR AND GEAR)

1

CWA67C5748

←

23

WIRE NET

1

CWD041083

←

24

CAP-DRAIN TRAY

1

CWH521091

←

25

FLARE NUT (3/8) (1/2)

1

CWT251031

CWT251032

26

SENSOR COMPLETE

1

CWA50C2467

←

27

HOLDER SENSOR

1

CWH32137

←

28

GEAR-COMPLETE (INTAKE GRILLE)

1

CWH68C1021

←

29

PIPE COVER

1

CWD911317

←

30

ELECTRONIC CONTROLLER-MAIN

1

CWA73C3885

←

31

CONTROL BOARD COVER ( L )

1

CWH131163

←

32

CONTROL BOARD COVER ( R )

1

CWH13K1010

←

33

TERMINAL BOARD CO (WITH RELAY)

1

CWA28C2433

←

35

CONTROL BOARD COVER (F)

1

CWH131165

←

36

ELECTRONIC CON (RCVR-INDICATOR)

1

CWA745633

←

37

INDICATOR HOLDER

1

CWD932309

←

38

FRONT GRILLE COMPLETE

1

CWE11C4288

←

39

GRILLE DOOR COMPLETE

1

CWE14C1069

←

40

INTAKE GRILLE COMPLETE

1

CWE22C1397

←

41

SCREW-FRONT GRILLE

3

XTT4+16CFJ

←

42

CAP-FRONT GRILLE

2

CWH521088

←

43

AIR FILTER

2

CWD001163

←

44

FLEXIBLE PIPE

1

CWH851110

←

45

FRAME FOR AIR FILTER

1

CWD661108

←

46

SUPER ALLERU BUSTER FILTER

1

CWD00C1263

←

47

REMOTE CONTROL COMPLETE

1

CWA75C3420

←

48

INSTALLATION HOLDER

1

CWH36C1019

←

49

BAG COMPLETE - INSTALLATION SCREW

1

CWH82C1496

←

50

OPERATING INSTRUCTION

1

CWF566886

←

51

INSTALLATION INSTRUCTION

1

CWF614042

←

52

INSTALLATION INSTRUCTION

1

CWF614043

←

53

INSTALLATION INSTRUCTION

1

CWF614044

←

54

INSTALLATION INSTRUCTION

1

CWF614045

←

55

INSTALLATION INSTRUCTION

1

CWF614046

←

Summary of Contents for CS-HE12JKE

Page 1: ...or Unit 14 6 Refrigeration Cycle Diagram 15 7 Block Diagram 16 8 Wiring Connection Diagram 17 8 1 Indoor Unit 17 8 2 Outdoor Unit 18 9 Electronic Circuit Diagram 19 9 1 Indoor Unit 19 9 2 Outdoor Unit 20 10 Printed Circuit Board 21 10 1 Indoor Unit 21 10 2 Outdoor Unit 22 11 Installation Instruction 23 11 1 Select The Best Location 23 11 2 Indoor Outdoor Unit Installation Diagram 23 11 3 Indoor Un...

Page 2: ... 42 14 Servicing Mode 43 14 1 Auto OFF ON Button 43 14 2 Remote Control Button 44 15 Troubleshooting Guide 45 15 1 Refrigeration Cycle System 45 15 2 Breakdown Self Diagnosis Function 47 15 3 Error Codes Table 48 15 4 Self diagnosis Method 49 16 Disassembly and Assembly Instructions 74 16 1 Indoor Electronic Controller Cross Flow Fan and Indoor Fan Motor Removal Procedure 74 16 2 Disassembly of Ou...

Page 3: ...standard regulation and the installation instruction An independent circuit and single outlet must be used If electrical circuit capacity is not enough or defect found in electrical work it will cause electrical shock or fire 9 This equipment is strongly recommended to install with Earth Leakage Circuit Breaker ELCB or Residual Current Device RCD Otherwise it may cause electrical shock and fire in...

Page 4: ...iture 3 Tighten the flare nut with torque wrench according to specified method If the flare nut is over tightened after a long period the flare may break and cause refrigerant gas leakage 4 Do not touch outdoor unit air 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 typical...

Page 5: ...ent A 3 2 Input Power W 115 690 1 72k COP W W 5 22 5 22 3 78 Kcal hW 4 52 4 49 3 25 Power Factor 94 Indoor Noise H L QLo dB A 42 27 24 Power Level dB 58 Outdoor Noise H L dB A 47 Power Level dB 62 Low Temp Capacity kW I Power W COP 4 71 1 52 3 10 Extr Low Temp Capacity kW I Power W COP 3 70 1 58 2 34 Max Current A Max Input Power W 8 0 1 72k Starting Current A 3 2 Compressor Type Hermetic Motor Mo...

Page 6: ...540 21 1 4 Width I D O D mm inch 870 34 1 4 780 30 23 32 Depth I D O D mm inch 199 7 27 32 289 11 3 8 Weight Net I D O D kg lb 12 26 37 82 Piping Pipe Diameter Liquid Gas mm inch 6 35 1 4 9 52 3 8 Standard Length m ft 5 16 4 Length Range min max m ft 3 9 8 15 49 2 I D O D Height Different m ft 15 0 49 2 Additional Gas Amount g m oz ft 20 0 2 Length for Additional Gas m ft 7 5 24 6 Drain Hose Inner...

Page 7: ...erature capacity Input Power and COP measured at 230 V indoor temperature 20 C outdoor 2 1 C 4 Heating extreme low temperature capacity Input Power and COP measured at 230 V indoor temperature 20 C outdoor 7 8 C 5 Specifications are subjected to change without prior notice for further improvement Dry Bulb Wet Bulb Indoor Operation Range Cooling Maximum 32 23 Minimum 16 11 Heating Maximum 30 Minimu...

Page 8: ...8 Input Power W 115 1 04k 2 28k COP W W 5 22 4 62 3 38 Kcal hW 4 52 3 97 2 90 Power Factor 94 Indoor Noise H L QLo dB A 44 33 30 Power Level dB 60 Outdoor Noise H L dB A 50 Power Level dB 65 Low Temp Capacity kW I Power W COP 5 58 2 02 2 76 Extr Low Temp Capacity kW I Power W COP 4 40 2 06 2 14 Max Current A Max Input Power W 10 2 2 28k Starting Current A 4 8 Compressor Type Hermetic Motor Motor T...

Page 9: ... 540 21 1 4 Width I D O D mm inch 870 34 1 4 780 30 23 32 Depth I D O D mm inch 199 7 27 32 289 11 3 8 Weight Net I D O D kg lb 12 26 37 82 Piping Pipe Diameter Liquid Gas mm inch 6 35 1 4 9 52 3 8 Standard Length m ft 5 16 4 Length Range min max m ft 3 9 8 15 49 2 I D O D Height Different m ft 5 16 4 Additional Gas Amount g m oz ft 20 0 2 Length for Additional Gas m ft 7 5 24 6 Drain Hose Inner D...

Page 10: ...rature capacity Input Power and COP measured at 230 V indoor temperature 20 C outdoor 2 1 C 4 Heating extreme low temperature capacity Input Power and COP measured at 230 V indoor temperature 20 C outdoor 7 8 C 5 Specifications are subjected to change without prior notice for further improvement Dry Bulb Wet Bulb Indoor Operation Range Cooling Maximum 32 23 Minimum 16 11 Heating Maximum 30 Minimum...

Page 11: ...ment Random auto restart after power failure for safety restart operation Gas leakage protection Prevent compressor reverse cycle Inner protector to protect Compressor Noise prevention during soft dry operation Operation Improvement Quiet mode to reduce the indoor unit operating sound Powerful mode to reach the desired room temperature quickly 24 hour timer setting 8 10 C HEAT operation is designe...

Page 12: ...12 4 Location of Controls and Components 4 1 Product Overview 4 1 1 Indoor Unit 4 1 2 Outdoor Unit 4 1 3 Remote Control ...

Page 13: ...13 5 Dimensions 5 1 Indoor Unit ...

Page 14: ...14 5 2 Outdoor Unit ...

Page 15: ...15 6 Refrigeration Cycle Diagram ...

Page 16: ...16 7 Block Diagram ...

Page 17: ...17 8 Wiring Connection Diagram 8 1 Indoor Unit ...

Page 18: ...18 8 2 Outdoor Unit ...

Page 19: ...19 9 Electronic Circuit Diagram 9 1 Indoor Unit ...

Page 20: ...20 9 2 Outdoor Unit ...

Page 21: ...21 10 Printed Circuit Board 10 1 Indoor Unit 10 1 1 Main Printed Circuit Board 10 1 2 Indicator Panel ...

Page 22: ...22 10 2 Outdoor Unit 10 2 1 Main Printed Circuit Board ...

Page 23: ...e careful that heat radiation from the condenser is not obstructed There should not be any animal or plant which could be affected by hot air discharged Keep the spaces indicated by arrows from wall ceiling fence or other obstacles Do not place any obstacles which may cause a short circuit of the discharged air If piping length is over the rated length additional refrigerant should be added as sho...

Page 24: ...the downward arrow on the installation plate and horizontally from the side arrow on the installation plate see figure above Drill the piping hole at either the right or the left and the hole should be slightly slanted to the outdoor side 11 3 2 TO DRILL A HOLE IN THE WALL AND INSTALL A SLEEVE OF PIPING 1 Insert the piping sleeve to the hole 2 Fix the bushing to the sleeve 3 Cut the sleeve until i...

Page 25: ...25 3 For the embedded piping This can be used for left rear piping and left bottom piping also ...

Page 26: ...d polychloroprene sheathed 4 x 1 5 mm2 flexible cord type designation 245 IEC 57 or heavier cord Secure the connecting cable onto the control board with the holder clamper This equipment must be properly earthed 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 other AC wires for ...

Page 27: ...ping Connect the piping Align the center of piping and sufficiently tighten the flare nut with fingers Further tighten the flare nut with torque wrench in specified torque as stated in the table Connecting The Piping To Outdoor Unit Decide piping length and then cut by using pipe cutter Remove burrs from cut edge Make flare after inserting the flare nut locate at valve onto the copper pipe Align c...

Page 28: ...dle of the gauge doesn t move after about 5 minutes Note FOLLOW THIS PROCEDURE CAREFULLY IN ORDER TO AVOID REFRIGERANT GAS LEAKAGE 5 Disconnect the charging hose from the vacuum pump and from the service port of the 3 way valve 6 Tighten the service port caps of the 3 way valve at a torque of 18 NO m with a torque wrench 7 Remove the valve caps of both of the 2 way valve and 3 way valve Position b...

Page 29: ... outdoor unit according to the diagram below 5 Secure the power supply cord and connecting cable onto the control board with the holder 6 Attach the control board cover back to the original position with screw 7 For wire stripping and connection requirement refer to instruction of indoor unit This equipment must be properly earthed Note Isolating Devices Disconnecting means should have minimum 3 0...

Page 30: ...arts remote control setting temperature will be taken as base value for temperature shifting processes These shifting processes are depending on the air conditioner settings and the operation environment The final shifted value will be used as internal setting temperature and it is updated continuously whenever the electrical power is supplied to the unit 12 1 2 Cooling Operation 12 1 2 1 Thermost...

Page 31: ... C The Auto Operation Mode shifting will take place whenever operation mode changed from Cooling Soft Dry to Heating or vice versa 12 1 5 Fan Operation Fan Operation is used to circulate air in a room During operation indoor fan run continuously but outdoor fan and compressor stop Temperature setting is not applicable 12 2 Indoor Fan Motor Operation A Basic Rotation Speed rpm i Manual Fan Speed Co...

Page 32: ...an motor feedback 2550 rpm or 50 rpm continue for 10 seconds then fan motor error counter increase fan motor is then stop and restart If the fan motor counter becomes 7 times then H19 fan motor error is detected Operation stops and cannot on back 12 3 Outdoor Fan Motor Operation Outdoor fan motor is operated with one fan speed only It starts when compressor starts operation and it stops 30 seconds...

Page 33: ... Powerful ON Five level setting is possible with the remote controller The louver swings between the upper limit and the lower limit After Powerful is turned on the louver is fixed at 26 for 5 minutes or until the Neural Control is stabilized After the Neural Control is stabilized the louver is fixed at 12 Dry Operation Mode Manual Operation Vertical Automatic Operation Power ON Automatic Operatio...

Page 34: ...ion The values in the parentheses are for the models CS HE12GKE Heating Operation Mode Manual Operation Vertical Automatic Operation Power ON Five level setting is possible with the remote controller 1 When heat exchanger temperature is less than 32 C 2 When heat exchanger temperature is between 32 C and 56 C 3 When heat exchanger temperature is 56 C or more 1 When heat exchanger temperature is le...

Page 35: ...anged quiet operation is shifted to quiet operation of the new mode 5 During quiet operation if timer on activates quiet operation maintains 6 After off when on back quiet operation is not memorised Operation Mode Horizontal Automatic Operation Operation for 5 min after Powerful ON or the Neural Control is stabilized Cooling The louver horizontally swings at a fixed cycle Horizontal Automatic Oper...

Page 36: ...the new fan speed 4 When operation mode is changed quiet operation is shifted to quiet operation of the new mode expected fan only mode 5 During quiet operation if timer on activates quiet operation maintains 6 After off when on back quiet operation is not memorised C Control contents a Fan speed auto 1 Indoor FM RPM depends on pipe temp sensor of indoor heat exchanger Auto fan speed is changed fr...

Page 37: ...at set time 12 9 Auto Restart Control 1 When the power supply is cut off during the operation of air conditioner the compressor will re operate within three to four minutes there are 10 patterns between 2 minutes 58 seconds and 3 minutes 52 seconds to be selected randomly after power supply resumes 2 This type of control is not applicable during ON OFF Timer setting 12 10 Indication Panel Note If ...

Page 38: ... C Pressing TEMP down button at the remote control 10 C Pressing TEMP up button at the remote control During the operation of this mode The indoor fan speed will remain at Hi fan tap all the time included deice process Powerful operation Quiet operation and Fan Speed selection are disabled Cold draft prevention control is disabled Control condition Caution If the indoor temperature constantly is l...

Page 39: ... be stopped immediately for 3 minutes 4 The first 30 minutes of cooling operation A will be applied 13 1 4 IPM Power transistor Prevention Control A Overheating Prevention Control 1 When the IPM temperature rises to 100 C compressor operation will stop immediately 2 Compressor operation restarts after 3 minutes the temperature decreases to 95 C B DC Peak Current Control 1 When electric current to ...

Page 40: ...perature indoor piping temperature is below 4 C During Heating operations Indoor piping temperature indoor suction is under 5 C b Control contents Compressor stops and restart after 3 minutes If the conditions above happen 2 times within 20 minutes the unit will Stop operation Timer LED blinks and F91 indicated 13 1 7 Low Frequency Protection Control 1 When the compressor operates at frequency low...

Page 41: ...ompressor stops if outdoor pipe temperature exceeds 63 C If the compressor stops 4 times in 20 minutes Timer LED blinking F95 outdoor high pressure rise protection 13 2 3 Freeze Prevention Control 1 When indoor heat exchanger temperature is lower than 0 C continuously for 6 minutes compressor will stop operating 2 Compressor will resume its operation 3 minutes after the indoor heat exchanger is hi...

Page 42: ... or above 13 3 2 Outdoor Air Temperature Control The maximum current value is regulated when the outdoor air temperature rises above 14 C in order to avoid compressor over loading 13 3 3 Overload Protection Control The compressor operating frequency is regulated in accordance to indoor heat exchanger temperature as shown in below If the heat exchanger temperature exceeds 60 C compressor will stopp...

Page 43: ...witch Mode is in standby condition and 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 and stored in EEPROM of indoor unit The indoor unit will only operate when received signal with same transmission code from remote control This could prevent signal interference when there...

Page 44: ...er Set button a Beep sound will be heard LCD returns to original display after 2 seconds LCD returns to original display if remote control does not operate for 30 seconds 14 2 2 CLOCK BUTTON To change the remote control s time format Press for more than 5 seconds 14 2 3 RESET RC To clear and restore the remote control setting to factory default Press once to clear the memory 14 2 4 RESET AC To res...

Page 45: ... problems before inspecting the refrigeration cycle Such problems include insufficient insulation problem with the power source malfunction of a compressor and a fan The normal outlet air temperature and pressure of the refrigeration cycle depends on various conditions the standard values for them are shown in the table on the right ...

Page 46: ...es after an operation is started Cooling Mode Heating Mode Low Pressure High Pressure Electric current during operating Low Pressure High Pressure Electric current during operating Condition of the air conditioner Insufficient refrigerant gas leakage Clogged capillary tube or Strainer Short circuit in the indoor unit Heat radiation deficiency of the outdoor unit Inefficient compression ...

Page 47: ...status 1 Turn power on 2 Press the CHECK button on the remote controller contiguously for 5 seconds 3 will be displayed on the remote controller display Note Display only for No transmitting signal no receiving sound and no Power LED blinking 4 Press the TIMER or button on the remote controller The code H00 no abnormality will be displayed and signal will be transmitted to the main unit The power ...

Page 48: ...d H28 Outdoor heat exchanger temperature sensor abnormality Continue for 5 sec O Outdoor heat exchanger temperature sensor defective or disconnected H30 Outdoor discharge pipe temperature sensor abnormality Continue for 5 sec Outdoor discharge pipe temperature sensor open or short circuit Outdoor discharge pipe temperature sensor lead wire and connector H33 Indoor Outdoor wrong connection Indoor O...

Page 49: ...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 outdoor unit signal transmission error due to breaking of wire in the connection wires between the indoor and outdoor units Indoor unit outdoor unit signal transmission error due to disturbed power supply w...

Page 50: ...are 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 due to wrong wiring Indoor outdoor unit signal transmission error due to breaking of wire 3 in the connection wires between the indoor and outdoor units Troubleshooting ...

Page 51: ...ction 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 connection Faulty sensor Faulty PCB Troubleshooting ...

Page 52: ...n 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 connection Faulty sensor Faulty PCB Troubleshooting ...

Page 53: ...ions A current transformer CT is detected by checking the compressor running frequency rated frequency and CT detected input current less than 0 65A for continuously 20 seconds Malfunction Caused CT defective Outdoor PCB defective Compressor defective low compression Troubleshooting ...

Page 54: ...etermine 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 fan motor Operation stops due to breaking of fan motor lead wires Operation stops due to Hall IC malfunction Operation error due to faulty indoor unit PCB Troubleshooting ...

Page 55: ... 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 connection Faulty sensor Faulty PCB Troubleshooting ...

Page 56: ...m 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 57: ...ction 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 Faulty sensor Faulty PCB Troubleshooting ...

Page 58: ...ction 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 Faulty sensor Faulty PCB Troubleshooting ...

Page 59: ...tion 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 connector connection Faulty sensor Faulty PCB Troubleshooting ...

Page 60: ...alfunction 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 outdoor unit PCB defective Troubleshooting ...

Page 61: ...lity 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 62: ...eration 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 Operation stops due to breaking of fan motor lead wires Operation stops due to Hall IC malfunction Operation error due to faulty outdoor unit PCB Troubleshooting ...

Page 63: ...During 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 exchanger Air short circuit Detection error due to faulty indoor pipe temperature sensor Detection error due to faulty indoor unit PCB Troubleshooting ...

Page 64: ...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 exchanger Air short circuit Detection error due to faulty indoor pipe temperature sensor Detection error due to faulty indoor unit PCB Troubleshooting ...

Page 65: ...onditions When heating operation when indoor pipe temperature is below 10 C When cooling operation when indoor pipe temperature is above 45 C Malfunction Caused Connector in poor contact Faulty sensor Faulty outdoor unit PCB 4 way valve defective Troubleshooting ...

Page 66: ...peration 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 supply surge DC voltage peak due to compressor windings not uniform Faulty outdoor PCB Troubleshooting ...

Page 67: ...y checking the CT detected input current value and the compressor running frequency During startup and operating of cooling and heating input current 8 78 256 A Hz x compressor running frequency 0 25 Gas shortage detection 2 A gas shortage is detected by checking the difference between indoor pipe temperature and indoor intake air temperature during cooling and heating Malfunction Caused Refrigera...

Page 68: ...alfunction 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 69: ...s 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 outdoor fan motor Outdoor pipe temperature rise due to defective outdoor pipe temperature sensor Outdoor pipe temperature rise due to defective outdoor unit PCB Troubleshooting ...

Page 70: ...vated Heat Sink Overheating During operation of cooling and heating when heat sink temperature data 90 C is detected by the heat sink 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 overheats due to defective of internal circuitry of IPM IPM overheats due to defective IPM temperature sensor M...

Page 71: ...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 closed Detection error due to faulty compressor tank temperature sensor Troubleshooting ...

Page 72: ...ent Control is detected by checking the input current value being detected by current transforme CT with the compressor running r Malfunction Caused Over current due to compressor failure Over current due to defective outdoor unit PCB Over current due to defective inverter main circuit electrolytic capacitor Over current due to excessive refrigerant Troubleshooting limit ...

Page 73: ...eshooting 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 sure the power transistor s supply voltage is below 50V using the tester For the UVW make measurement at the Faston terminal on the board of the relay connector Tester s negative terminal Power transistor UVW Power trans...

Page 74: ...e horizontal vane gently Remove the 2 caps and 2 screws at the bottom of discharge vane Fig 1 Fig 2 2 Remove the front panel by pressing Lever Arm with finger Fig 2 High voltages are 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 ...

Page 75: ...Remove the screw one in center part of the unit Fig 3 5 Remove the Front Grille by releasing the 4 hooks at the top of the Front Grille Hold both side of the Front Grille and remove it by pulling up and toward you gently Fig 3 16 1 2 Removal of Control Board Complete Fig 4 ...

Page 76: ...1 Air Swing Motor for vertical louver CN STM2 Air Swing Motor for horizontal louver CN FM Indoor Unit Fan Motor 16 1 3 Removal of PCB Fig 6 Fig 7 1 Disconnect lead wire from terminal board complete Fig 6 2 Disconnect live wire brown from terminal plate connector Fig 6 3 Release screw from the control board Fig 6 4 Remove control board cover L and control board cover R from the control board Fig 6 ...

Page 77: ...rol boards cover L by releasing the hooks then remove the PCB from the control board cover L Fig 8 16 1 4 Removal of Fan Motor and Cross Flow Fan Fig 9 1 Remove particular piece Fig 9 2 Remove the drain hose from the unit Fig 9 ...

Page 78: ...ar Complete Fig 10 4 Release screw at Gear Complete then remove the Gear Complete Fig 10 5 Pull the Discharge Grille downward then removed it Fig 9 Fig 11 6 Remove the Fan Motor Cover by removing four screws from the Fan Motor Cover Fig 11 ...

Page 79: ...79 Fig 12 7 Remove the screw on the left side of evaporator Fig 12 Fig 13 8 Loosen the screw between the Cross Flow Fan and Fan Motor Fig 13 9 Remove the bearing Fig 12 ...

Page 80: ...80 Fig 14 10 Lift up the Evaporator and remove the Cross Flow Fan from the unit by pulling it to the left and downward Fig 14 Fig 15 11 Pull out the Fan Motor Fig 15 ...

Page 81: ...o particular pieces the Terminal Board Complete Fig 16 4 Removed live brown and neutral blue wire Fig 17 16 1 6 Removal of Air Swing Motors for Vertical and Horizontal Louvers 1 The Air Swing Motors for Vertical and Horizontal louvers can be removed without removal of Discharge Grille 2 Remove the screws from the motors and then remove the cable connectors Fig 18 ...

Page 82: ... another three on the lower side on the Cabinet Front Plate Fig 1 3 Release the hooks four two on the right and another two on the left of the Cabinet Front Plate and remove the Front Plate by holding it up a little Fig 2 16 2 2 Removal of Control Cover and Terminal Cover 1 Remove the screw one on the Control Cover and remove it by sliding it downward Fig 3 2 Remove the Terminal Cover by removing ...

Page 83: ...and the Earth Wire one screw Interconnect cables red white and black Disconnect them from the Terminals The earth terminal yellow green Remove it by unscrewing one screw Remove the screws two fixing the Terminal part and the Cabinet Side Plate Fig 7 5 Remove the Control Box from the unit by holding it up Fig 8 16 2 4 Removal of Control Board 1 Remove the Cabinet Top Plate and Cabinet Front Plate a...

Page 84: ...astic part by removing the screws six on the PCB 16 2 5 Removal of Propeller Fan and Fan Motor 1 Remove the Cabinet Top Plate and Cabinet Front Plate according to 16 2 1 2 Remove the Control Box by releasing the hooks four two each on the both sides Fig 13 3 Remove only the Connector for the CN FM1 Outdoor unit Fan Motor 4 Remove the Propeller Fan by turning the nut in the center of the fan clockw...

Page 85: ...85 17 Technical Data 17 1 Operation Characteristics 17 1 1 CS HE9JKE CU HE9JKE ...

Page 86: ...86 ...

Page 87: ...87 ...

Page 88: ...88 ...

Page 89: ...89 17 1 2 CS HE12JKE CU HE12JKE ...

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Page 93: ...5 2 24 1 80 0 59 22 0 C 3 09 2 12 0 48 2 88 2 04 0 52 2 68 1 97 0 56 2 44 1 88 0 60 230V Outdoor Temp C Indoor wet bulb temp 30 35 40 46 TC SHC IP TC SHC IP TC SHC IP TC SHC IP 17 0 C 3 47 2 63 0 78 3 24 2 52 0 84 3 02 2 43 0 90 2 74 2 30 0 97 19 0 C 3 50 0 85 19 5 C 3 81 2 76 0 79 3 56 2 65 0 85 3 31 2 55 0 91 3 01 2 43 0 98 22 0 C 4 15 2 86 0 81 3 88 2 75 0 87 3 61 2 65 0 93 3 28 2 53 1 00 TC SH...

Page 94: ...8 Exploded View and Replacement Parts List 18 1 Indoor Unit 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 95: ... CAP DRAIN TRAY 1 CWH521091 25 FLARE NUT 3 8 1 2 1 CWT251031 CWT251032 26 SENSOR COMPLETE 1 CWA50C2467 27 HOLDER SENSOR 1 CWH32137 28 GEAR COMPLETE INTAKE GRILLE 1 CWH68C1021 29 PIPE COVER 1 CWD911317 30 ELECTRONIC CONTROLLER MAIN 1 CWA73C3885 31 CONTROL BOARD COVER L 1 CWH131163 32 CONTROL BOARD COVER R 1 CWH13K1010 33 TERMINAL BOARD CO WITH RELAY 1 CWA28C2433 35 CONTROL BOARD COVER F 1 CWH131165...

Page 96: ...96 18 2 Outdoor Unit 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 97: ...0 O 20 ACCUMULATOR 1 CWB131044 O 21 V COIL CO 4 WAY VALVE 1 CWA43C2144J 22 V COIL COMPLETE FOR EXP VALVE 1 CWA43C2058J 24 SENSOR COMPLETE 1 CWA50C2402 25 SENSOR COMPLETE 1 CWA50C2512 27 TERMINAL BOARD ASSY 1 CWA28K1110J 28 HOLDER SENSOR 2 CWH32143 29 REACTOR 1 G0C193J00004 30 CONTROL BOARD CASING 1 CWH102371 31 ELECTRONIC CONTROLLER MAIN 1 CWA73C3892R CWA73C3893R 32 CRANKCASE HEATER 1 CWA341060 33...

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