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Panasonic CS-RE12JKE, Service Manual, Page: 19 / 51

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Panasonic CS-RE12JKE Service Manual Download Page 19

19

9. Printed Circuit Board 

9.1 Indoor 

Unit 

9.1.1 

Main Printed Circuit Board 

TOP VIEW 

Summary of Contents for CS-RE12JKE

Page 1: ... 24 10 3 Outdoor Unit 26 11 Service Mode 29 11 1 Auto OFF ON Button 29 11 2 Select Remote Control Transmission Code29 11 3 Operate and Display of Remote Control 30 12 Operation Control 32 12 1 Basic Function 32 12 2 Indoor Fan Motor Operation 33 12 3 Outdoor Fan Motor Operation 33 13 Protection control 36 13 1 Protection Control For All Operations 36 13 2 Protection Control For Cooling and Soft Dr...

Page 2: ...ng Guide 40 14 1 Refrigeration Cycle System 40 14 2 Break Down self Diagnosis Function 40 15 Disassembly and Assembly Instructions 43 16 Exploded View and Replacement Pars List 46 16 1 Indoor Unit 46 16 2 Outdoor Unit 48 ...

Page 3: ...ngly recommended to be installed 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 8 This equipment must be properly earthed Earth line must not be connected to gas pipe water pipe earth of lightning rod and telephone Otherwise it may cause electrical shock in case equipment br...

Page 4: ...Select an installation location which is easy for maintenance 6 Power supply connection to the air conditioner Connect the power supply cord of the air conditioner to the mains using one of the following methods Power supply point should be in easily accessible place for power disconnection in case of emergency In some countries permanent connection of this air conditioner to the power supply is p...

Page 5: ...nch 6 35 1 4 Pipe Length m ft 3 9 8 15 49 2 Height Difference m ft 5 16 4 Additional Gas Amount g m oz ft 20 0 2 Refrigerant Charge Less m ft 7 5 24 6 Inner diameter mm 14 Drain Hose Length mm 500 Type Rotary Motor Type Induction 6 poles Compressor Rated Output W 750 Type Cross Flow Fan Propeller Fan Material AS PP Motor Type Induction 8 poles Induction 6 poles Input power W Output power W 30 15 L...

Page 6: ...ING A 3 45 HEATING A 3 70 Maximum Current A 6 00 Power Factor COOLING 88 HEATING 96 Power factor means total figure of compressor indoor fan motor and outdoor fan motor Number of core 3 1 5mm Power Cord Length m 1 9 Thermostat Electronic Control Protection Device Electronic Control Note Specification is subject to change without prior notice for further improvement ...

Page 7: ...35 1 4 Pipe Length m ft 3 9 8 15 49 2 Height Difference m ft 5 16 4 Additional Gas Amount g m oz ft 20 0 2 Refrigerant Charge Less m ft 7 5 24 6 Inner diameter mm 14 Drain Hose Length mm 500 Type Rotary Motor Type Induction 6 poles Compressor Rated Output W 900 Type Cross Flow Fan Propeller Fan Material AS PP Motor Type Induction 8 poles Induction 6 poles Input power W Output power W 30 25 Lo Cool...

Page 8: ...LING A 4 70 HEATING A 5 20 Maximum Current A 6 80 Power Factor COOLING 93 HEATING 93 Power factor means total figure of compressor indoor fan motor and outdoor fan motor Number of core 3 1 5mm Power Cord Length m 1 9 Thermostat Electronic Control Protection Device Electronic Control Note Specification is subject to change without prior notice for further improvement ...

Page 9: ...5 1 4 Pipe Length m ft 3 9 8 15 49 2 Height Difference m ft 5 16 4 Additional Gas Amount g m oz ft 20 0 2 Refrigerant Charge Less m ft 7 5 24 6 Inner diameter mm 14 Drain Hose Length mm 500 Type Scroll Motor Type Burshless motor 4 poles Compressor Rated Output W 900 Type Cross Flow Fan Propeller Fan Material AS PP Motor Type Induction 8 poles Induction 8 poles Input power W Output power W 30 40 Lo...

Page 10: ...OLING A 6 05 HEATING A 7 10 Maximum Current A 9 70 Power Factor COOLING 90 HEATING 94 Power factor means total figure of compressor indoor fan motor and outdoor fan motor Number of core 3 1 5mm Power Cord Length m 1 9 Thermostat Electronic Control Protection Device Electronic Control Note Specification is subject to change without prior notice for further improvement ...

Page 11: ...y Improvement o Random auto restart after power failure for safety restart operation o Gas leakage protection o Prevent compressor reverse cycle o Inner protector to protect compressor x Operation Improvement o Quiet mode to reduce the indoor unit operating sound o Powerful mode to reach the desired room temperature quickly o 12 hour timer x Serviceability Improvement o Breakdown Self Diagnosis Fu...

Page 12: ...use z Press RESET button to restore the remote control s default setting POWER GREEN TIMER ORANGE QUIET GREEN INDICATOR POWERFUL RED OFF ON Operation mode Airflow direction adjustment Timer setting Temperature setting Transmitter Fan speed selection Front Panel Air Filter Vertical airflow direction louver Horizontal airflow direction louver Receiver ...

Page 13: ...13 5 Dimensions 5 1 Indoor Unit 60 Unit mm 55 290 825 848 204 61 10 5 49 63 60 119 3 404 6 38 12 5 56 16 195 60 548 398 Air outlet Air intake ...

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

Page 15: ...15 6 Refrigeration Cycle Diagram CS CU RE9JKE CS CU RE12JKE CS CU RE15JKE COOLING HEATING ...

Page 16: ...16 7 Block Diagram CS CU RE15JKE CS CU RE9 12JKE ...

Page 17: ...17 8 Wiring Diagram 6 8 5 6 8 5 ...

Page 18: ...18 6 8 5 ...

Page 19: ...19 9 Printed Circuit Board 9 1 Indoor Unit 9 1 1 Main Printed Circuit Board TOP VIEW ...

Page 20: ...20 BOTTOM VIEW ...

Page 21: ...21 9 1 2 Indicator receiver TOP VIEW BOTTOM VIEW ...

Page 22: ...22 9 2 Outdoor Unit 9 2 1 CU RE9JKE CU RE12JKE TOP VIEW BOTTOM VIEW ...

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

Page 24: ...from this line 1 Mount the installation plate on the wall with 5 screws or more If mounting the unit on the wall consider using anchor bolts 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 ø70 mm hole core drill z Put measuring tape at position as shown in the diagram above The hole centre ...

Page 25: ...25 10 2 3 Indoor Unit Installation ...

Page 26: ...10 mm 2 When installing at roof please consider strong wind and earthquake Please fasten the installation stand firmly with bolt or nails 10 3 2 Connecting the Piping 10 3 2 1 Connecting the piping to indoor unit Please make flare after inserting flare nut locate at joint portion of tube assembly onto the copper pipe In case of using long piping Connect the piping x Align the center of piping and ...

Page 27: ...NF 20 threads 2 Connect the center hose of the charging set to a vacuum pump with check valve or vacuum pump and vacuum pump adaptor 3 Turn on the power switch of the vacuum pump and make sure that the needle in the gauge moves from 0 cmHg 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 t...

Page 28: ...amper 4 Attach the control board cover back to the original position with the screw 5 For wiring stripping and connection requirement refer to instruction 10 2 4 of indoor unit 10 3 5 Pipe Insulation 1 Please carry out insulation at pipe connection portion as mentioned in Indoor Outdoor Unit Installation Diagram Please warp the insulated piping end to prevent water from going inside the piping 2 I...

Page 29: ...e switch is continuously pressed between 16 to 21 seconds either H14 error detection selection mode or remote controller s signal receiving sound can be cancelled or turned on 11 2 Select Remote Control Transmission Code There are 4 types of remote control transmission code could be selected and stored in EEPROM of indoor PCB The indoor unit will only operate when received signal with same transmi...

Page 30: ... the AIR SWING button 11 3 5 AIR SWING button To adjust vertical airflow directions by pressing AIR SWING button 5 options 11 3 6 QUIET POWERFULL button Press this button to switch among QUIET operation POWERFUL operation and normal operation Start Quiet operation Press this button until QUIET displaying on remote control display to identify Quiet mode operating Start POWERFUL operation Press this...

Page 31: ...nce If the OFF ON button on the remote control or the AUTO Switch on the indoor unit is pressed the timer setting will be cancelled If Auto Restart Control occurs timer setting will be cancelled During the operation if the ON Timer or ON OFF Timer is set the operation will be stopped 11 3 8 About Cursor Key Which Points To ŶOFFŷ On Remote Control When the ON OFF button on the remote control is pre...

Page 32: ...oint 12 1 3 Soft Dry Operation 12 1 3 1 Thermostat control The same as Cooling mode 12 1 4 Heating operation 12 1 4 1 Thermostat control Compressor is OFF when Intake Air Temperature Internal Setting Temperature 2 0к Compressor is ON after waiting for 3 minutes if the Intake Air Temperature Internal Setting Temperature Compressor OFF point 12 1 5 Automatic Operation 1 Once AUTO mode is selected op...

Page 33: ... control is performed once every second During fan motor on if fan motor feedback 2550 rpm or 50 rpm continue for 10 seconds then fan motor error counter increases fan motor then stops and restarts 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...

Page 34: ...rol ϥ Once Quiet mode is active the unit will continuously operate in QUIET Mode until cancel the mode by pressing QUIET POWERFUL button on remote control 12 3 4 Powerful operation ϥ To cooling or heating the room faster comparing to normal operation The POWERFUL operation can be active or stop by pressing QUIET POWERFUL button RQ remote control ϥ When powerful operation is active the unit will co...

Page 35: ...occurs 12 3 7 Timer control Delay ON Timer ca be set using remote controller the unit with timer set will start operate earlier than the setting time This is to provide a comfortable environment when reaching the set On time Seventy minutes before the set time for ON Timer or ON OFF Timer setting indoor at fan speed of Lo and outdoor fan motor start operate for 30 seconds to determine the indoor i...

Page 36: ...cted for compressor operation will be decreased 2 If the running current does not exceed I1 A for 5 seconds the frequency instructed will be increased RE9JKE RE12JKE RE15JKE Operation mode I1 A I1 A I1 A Cooling Soft Dry Fan A 5 03 6 35 8 98 Cooling Soft Dry Fan B 4 89 6 22 8 00 Heating 4 75 6 22 9 31 The first 30 minutes of cooling operation A will be applied For RE9JKE RE12JKE RE15JKE 13 1 4 IPM...

Page 37: ...ank Temperature Rise Protection Control a Control start conditions For 5 minutes the compressor continuously operates and outdoor total current is between 0 65A and 1 65A During Cooling and Soft Dry operations Indoor suction temperature indoor piping temperature is below 4к Indoor temperature and outdoor temperature is 30 5к Remote Control setting 16к and Hi Fan Speed During Heating operations Ind...

Page 38: ...g or Soft Dry Mode Indoor intake temperature is between 25к and 29к Outdoor air temperature is less than 30к This control stopped then receive air swing change signal from Remote Control 13 2 4 Overload Protection For Cooling Operation The frequency for the compressor will change according to the outdoor piping temperature 13 3 Indoor Piping Air Temperature Control Heating 13 3 1 Indoor Fan Contro...

Page 39: ...the cold airflow from blowing If the piping temperature rises to 19 к and the indoor fan speed and airflow direction varies with the indoor piping temperature the hot start control is completed 13 3 2 Overload Protection Control The frequency for the compressor is determined by indoor piping temperature K7 Fixed 15rpm s Free K8 460 RE9JKE RE12JKE Indoor piping temp 60 к 55 к 52 к 49 к 46 к Stop 8H...

Page 40: ...door temperature 35 C at cooling mode and 7 C at heating mode Compressor operates at rated frequency Different in the intake and outlet air temperatures Normal Value of electric current during operation Dusty condenser preventing heat radiation Excessive amount of refrigerant x Measuring the air temperature different x Measuring electric current during operation x Measuring gas side pressure More ...

Page 41: ...ted by itself the operation can be restarted using AUTO Switch on the indoor unit In forced operation the frequency for compressor and fan speed can not be changed and the signal receiving sound is different Normal Operation ON pep Forced Operation ON pep pep pep pep Stop pep Note Refer to the Diagnosis Code Table for the malfunction when forced operation is not available 14 2 2 Display of Error C...

Page 42: ...42 14 2 3 Error Codes Table ...

Page 43: ...e proceeding with repair work Failure to heed this caution may result in electric shocks 1 Open the intake grille and pull it to the horizontal position 2 Pull up the intake grille until it falls off 1 Remove the two caps at the discharge port right and left and then release the two screws on both sides Removal Procedure for Intake Grille Removal Procedure for Front Grille DS 6FUHZ ...

Page 44: ...low Green and take out the sensor from the holder on evaporator Pull out the whole electronic controller Be sure to avoid cracking of the supporting hook 4 Remove the control board complete Loose the screws of control board complete then the whole control board can be pulled out Removal Procedure for Main Electronic Controller URQW JULOOH RQWURO ERDUG FRYHU KROGHU 6XSSRUWLQJ RRN 0DLQ 3 QGLFDWRU UH...

Page 45: ...tor on the left side and pull out the whole evaporator 2 Loose the fixing screw of the cross flow fan 3 After removing the bearing indoor fan can be taken out from the left side 4 Lift up the indoor fan slightly and then pull the fan motor out Removal Procedure for Main Electronic Controller Removal Procedure for Cross Flow Fan L LQJ 6FUHZ L LQJ ERDUG HDULQJ DQ PRWRU ...

Page 46: ...46 16 Exploded View and Replacement Pars List 16 1 Indoor Unit CS RE9JKE CS RE12JKE CS RE15JKE ...

Page 47: ...862 CWA20C2894 ʳ 17 MAIN PCB 1 CWA73C3612 CWA73C3613 CWA73C3614 ʳ 18 SENSOR 1 CWA50C2596 CWA50C2596 CWA50C2596 ʳ 19 INDICATOR HOLDER FRONT 1 CWD933087 CWD933087 CWD933087 ʳ 21 INDICATOR PCB 1 CWA745415 CWA745415 CWA745415 ʳ 23 CONTROL BOARD TOP COVER 1 CWH131359 CWH131359 CWH131359 ʳ 24 CONTROL BOARD BACK COVER 1 CWH131358 CWH131358 CWH131358 ʳ 25 REMOTE CONTROL 1 CWA75C3077 CWA75C3077 CWA75C3077 ...

Page 48: ...48 16 2 Outdoor Unit CU RE9JKE CU RE12JKE ...

Page 49: ...00J 7080300J ʳ 20 SOUND PROOF BOARD 1 CWH151187 CWH151187 ʳ 21 SOUND PROOF MATERIAL 1 CWG302433 CWG302433 ʳ 22 TUBE NOISE SUPPRESSOR 1 CWB121016 CWB121016 ʳ 23 REACTOR 1 G0C193J00007 G0C193J00007 ʳ 24 CONTROL BOX COMPLETE 1 CWH14C6793 CWH14C6794 ʳ 26 TERMINAL BOARD ASS Y 1 CWA28K1185 CWA28K1185 ʳ 27 CONTROL BOARD CASING 1 CWH102298 CWH102298 ʳ 28 COVER CONTROL BOX 1 CWH131300 CWH131300 ʳ 29 ELECTR...

Page 50: ...50 CU RE15JKE ...

Page 51: ...UND PROOF MATERIAL 1 CWG302303 ʳ 22 TUBE NOISE SUPPRESSOR 1 CWB14011 ʳ 23 REACTOR 1 G0C203J00004 ʳ 24 CONTROL BOX COMPLETE 1 CWH14C6795 ʳ 26 TERMINAL BOARD ASS Y 1 CWA28K1185 ʳ 27 CONTROL BOARD CASING 1 CWH102243 ʳ 28 COVER CONTROL BOX 1 CWH131206 ʳ 29 ELECTRONIC CONTROLLER 1 CWA73C3611 ʳ 30 SENSOR COMPLETEΰCOMP 1 CWA50C2209J ʳ 31 SENSOR COMPLETE PIPING 1 CWA50C2509 ʳ 32 TUBE ASS Y 1 CWT026380 ʳ 3...

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