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Panasonic CS-YE12MKE, Service Manual

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Panasonic CS-YE12MKE Service Manual Download Page 43

43 

 
 
 

 
1.  Release fixing 

screws on both side, disassembly the fixing board from 

evaporator 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 Cross Flow Fan 

Fixing Screw

 

Bearing

 

Fan motor

 

Summary of Contents for CS-YE12MKE

Page 1: ...ion 20 10 2 Indoor Unit 21 10 3 Outdoor Unit 23 11 Service Mode 26 11 1 Auto OFF ON Button 26 11 2 Select Remote Control Transmission Code 26 11 3 Operate and Display of Remote Control 27 12 Operation Control 29 12 1 Basic Function 29 12 2 Indoor Fan Motor Operation 30 12 3 Outdoor Fan Motor Operation 30 13 Protection control 33 13 1 Protection Control For All Operations 33 This service informatio...

Page 2: ...Piping Air Temperature Control Heating 36 14 Troubleshooting Guide 38 14 1 Refrigeration cycle system 38 14 2 Breakdown Self Diagnosis Function 39 15 Disassembly and Assembly Instructions 41 16 Exploded View and Replacement Pars List 44 16 1 Indoor Unit 44 16 2 Outdoor Unit 46 ...

Page 3: ...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 breakdown or insulation breakdown 9 Do not use joint cable for indoor outdoor connection cable Use the specified Ind...

Page 4: ...iture 3 Do not touch outdoor unit air inlet and aluminums fin It may cause injury 4 Select an installation location which is easy for maintenance 5 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 ...

Page 5: ...93 92 dB A H L QLo Hi 40 Lo 27 QLo 23 Hi 42 Lo 33 QLo 25 Indoor Noise Power Level 56 58 dB A H L Hi 48 Lo Hi 50 Lo HEATING Outdoor Noise Power Level 64 66 Max Current A Max Input Power W 5 80 1 200k 8 80 1 600k Starting Current A 3 70 5 40 Type Hermetic Motor Hermetic Motor Motor Type BRUSHLESS 6 poles BRUSHLESS 6 poles Compressor Output Power W 750 900 Type Cross flow fan Cross flow fan Material ...

Page 6: ...aterial Pre coated Pre coated Fin Type Slit Fin Slit Fin Row x Stage x FPI 2 x 16 x 19 2 x 16 x 19 Indoor Heat Exchanger Size W x H x L mm 610 x 336 x 25 4 610 x 336 x 25 4 Fin Material Pre coated Pre coated Fin Type Slit Fin Slit Fin Row x Stage x FPI 1 x 24 x 19 2 x 24 x 17 Outdoor Heat Exchanger Size W x H x D mm 702 8 x 504 x 18 19 702 8 x 504 x 18 19 674 3 Material P P HONEY COMB P P HONEY CO...

Page 7: ...dB A H L Hi 52 Lo HEATING Outdoor Noise Power Level 68 Max Current A Max Input Power W 10 5 2 350k Starting Current A 9 20 Type Hermetic Motor Motor Type BRUSHLESS 4 poles Compressor Output Power W 1500 Type Cross flow fan Material AS Motor Type DC 8 poles Input Power W 77 2 Output Power W 30 O Lo rpm 750 Lo rpm 840 Me rpm 1000 Speed COOLIN G Hi rpm 1250 O Lo rpm 750 Lo rpm 850 Me rpm 1050 Indoor ...

Page 8: ...19 Indoor Heat Exchanger Size W x H x L mm 610 x 336 x 25 4 Fin Material Pre coated Fin Type Slit Fin Row x Stage x FPI 2 x 24 x 17 Outdoor Heat Exchanger Size W x H x D mm 702 8 x 504 x 18 19 674 3 Material P P HONEY COMB Air Filter Type One touch Power Supply Indoor Power Supply Cord A 16A Thermostat Protection Device COOLING HEATING TEMPERATURE C DRY BULB WET BULB DRY BULB WET BULB Maximum 32 2...

Page 9: ...te control Quality 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 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 Serviceability Improvement o Breakdown Self...

Page 10: ... 4 1 Indoor Unit 4 2 Outdoor Unit 4 3 Remote Control z For normal operation the ERROR RESET button is not in use z Press RESET button to restore the remote control s default setting POWER GREEN TIMER ORANGE QUIET GREEN INDICATOR POWERFUL RED ...

Page 11: ...11 5 Dimensions 5 1 Indoor Unit 121 49 Unit mm ...

Page 12: ...12 5 2 Outdoor Unit Unit mm ...

Page 13: ...13 6 Refrigeration Cycle Diagram CS CU YE9MKE CS CU YE12MKE CS CU YE18MKE COOLING HEATING ...

Page 14: ...14 7 Block Diagram CS CU YE18MKE CS CU YE9 12MKE ...

Page 15: ...15 8 Wiring Diagram CS YE9MKE CS YE12MKE ...

Page 16: ...16 CU YE9MKE CU YE12MKE ...

Page 17: ...17 CS YE18MKE ...

Page 18: ...18 CU YE18MKE ...

Page 19: ...19 9 Printed Circuit Board 9 1 Indoor Unit 9 2 Outdoor Unit IC104 LED3 LED2 CN STM3 CN TH SW HA CN FB IC1 X1 IC103 IC2 IC ...

Page 20: ...ondenser 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 shown in the table below Example If the uni...

Page 21: ... 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 is obtained by measuring the distance namely 178 5 mm and...

Page 22: ...22 10 2 3 Indoor Unit Installation ...

Page 23: ... installation according 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 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 ...

Page 24: ... valve z Be sure to connect the end of charging hose with the push pin to the service port z The size of charging hose fitting should be 1 2 UNF 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...

Page 25: ...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 26: ...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 transmiss...

Page 27: ...he 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 b...

Page 28: ...g can operate only once 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 OFF On Remote Control When the ON OFF button on the rem...

Page 29: ...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 0 Compressor is ON after waiting for 3 minutes if the Intake Air Temperature Internal Setting Temperature Compressor OFF point 12 1 5 Automatic Operation Once AUTO mode is selected operation mod...

Page 30: ...EATING rpm 1350 1140 1040 940 840 750 ii Auto Fan Speed Cooling Soft Dry Mode According to room temperature and setting temperature indoor fan speed is determined automatically The indoor fan will operate according to pattern below Fan speed Higher Medium Lower A b c d e f g h a b B Feedback control Immediately after the fan motor started feedback control is performed once every second During fan ...

Page 31: ...g remote control the vane will shift to close position Above angle data is for reference only 12 3 2 Horizontal Airflow The horizontal airflow direction louvers can be adjusted manually by hand 12 3 3 Quiet operation To provide quiet operation comparing to normal operation The Quiet operation can be active or stop by pressing QUIET POWERFUL button on remote control Once Quiet mode is active the un...

Page 32: ...er the compressor will re operate within three to four minutes after power supply resumes 12 3 6 Indication Panel LED POWER TIMER Color Green Orange Light ON Operation ON Timer setting ON Light OFF Operation OFF Timer setting OFF Note If POWER LED blinks the possible operation of the unit is operating mode judgment or ON timer sampling If Timer LED blinks there is an abnormal operation occurs 12 3...

Page 33: ...ds Forced Control Once the air conditioner is turned on the compressor will not stop within 30 seconds in a normal operation although the intake air temperature has reached the thermo off temperature However force stop by pressing the OFF ON button at the remote control is permitted or the Auto OFF ON button at indoor unit The reason for the compressor to force operation for minimum 30 seconds is ...

Page 34: ... the compressor stops and restarts after three minutes 2 If this continuously occurs for twice within 20 minutes all indoor and outdoor relays will be cut off 3 This control is not applicable for deice operation Comp Frequency 45 Hz or above 64 Hz or above 58 Hz or above 73 Hz or above Total Outdoor Current 1b 1 3 1b 1 1 6 1b 1 1 3 1b 1 1 6 Indoor Piping Temp 20 or above 25 or less 20 or above 25 ...

Page 35: ... 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 Compressor frequency will adjust base on outdoor air temperature RE9MKE RE12MKE RE18MKE 13 2 2 Freeze Prevention Control 1 Frequency of the compressor For prevention of freezing of the indoor eva...

Page 36: ... Speed Piping Temperature K0 K1 K2 K3 K4 K5 K6 K7 K8 K9 K10 K11 16 19 24 32 32 36 36 39 54 54 57 60 Auto Fan Speed 2 During heating operation the indoor fan will run at the following speed when the compressor stops 3 Hot Start When the heating operation starts the indoor fan stops and the compressor runs with a certain frequency This is to prevent the cold airflow from blowing If the piping temper...

Page 37: ...37 RE9MKE RE12MKE Indoor piping temp 60 55 52 49 46 Stop 8Hz 15 down 1Hz 15 down 110 Hz 35Hz 110 Hz 35Hz Free RE18MKE ...

Page 38: ...Outdoor 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 Measuring the air temperature different Measuring electric current during operation Measuring gas side pressure More tha...

Page 39: ...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 40: ...40 14 2 3 Error Codes Table ...

Page 41: ...this caution may result in electric shocks 1 Open the intake grille and pull it to the horizontal position 1 Pull up the front panel and be careful of the hooks on both sides of intake grille Slightly press the pieces and pull the front panel 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 front panel Removal Proced...

Page 42: ...ve the air filters and then pull out the front grille form the unit body 1 Separate the drain hose and the drain plate 2 Pull out the discharge grille slightly Front grille Removal Procedure for Discharge Grille ...

Page 43: ...t 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 Cross Flow Fan Fixing Screw Bearing Fan motor ...

Page 44: ...44 16 Exploded View and Replacement Pars List 16 1 Indoor Unit CS YE9MKE CS YE12MKE CS YE18MKE ...

Page 45: ... TERMINAL BOARD COMPLETE 1 CWA28C2383 CWA28C2383 CWA28C2442 17 POWER SUPPLY CORD COMPLETE 1 CWA20C3016 CWA20C3025 CWA20C3017 18 MAIN PCB 1 CWA73C4928 CWA73C4927 CWA73C4926 19 SENSOR 1 CWA50C2755 CWA50C2755 CWA50C2755 20 CONTROL BOARD TOP COVER 1 CWH131454 CWH131454 CWH131454 21 REMOTE CONTROL 1 CWA75C3755 CWA75C3755 CWA75C3755 22 FRONT GRILLE COMPLETE 1 CWE11C4887 CWE11C4887 CWE11C4887 23 INTAKE G...

Page 46: ...46 16 2 Outdoor Unit CU YE9MKE CU YE12MKE CU YE18MKE ...

Page 47: ... 1 CWG302412 CWG302609 CWG302617 20 RECEIVER 1 CWB141023 CWB141023 CWB141023 21 REACTOR 1 G0C223J00002 G0C193J00011 G0C203J00006 22 CONTROL BOX COMPLETE 1 CWH14C8363 CWH14C8369 CWH14C8377 23 TERMINAL BOARD ASS Y 1 CWA28K1185 CWA28K1185 CWA28K1185 24 CONTROL BOARD CASING 1 CWH102426 CWH102426 CWH102430 25 COVER CONTROL BOX 1 CWH131300 CWH131300 CWH131300 26 ELECTRONIC CONTROLLER 1 CWA73C5011 CWA73C...

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