Panasonic CS-C12PKV Service Manual Download Page 17

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6. Refrigeration Cycle Diagram

STRAINER

CAPILLARY

TUBE

LIQUID

SIDE

2-WAY
VALVE

GAS

SIDE

3-WAY
VALVE

THERMOSTAT

(C24PK & C28PK

only)

HEAT EXCHANGER

(CONDENSER)

HEAT EXCHANGER

(EVAPORATOR)

INTAKE

AIR

TEMP.

SENSOR

PIPE

TEMP.

SENSOR

CAPILLARY

TUBE

(C28PK only)

OIL

SEPARATOR

(C28PK only)

COMPRESSOR

Summary of Contents for CS-C12PKV

Page 1: ... 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 dangers in attempting to service a product Products powered by electricity should be serviced or repaired only by experienced professional technicians Any attempt to service or repair the products dealt with in this ser...

Page 2: ...n 54 13 4 Indoor Fan Speed Control 55 13 5 Outdoor Fan Speed Control 57 13 6 Vertical Airflow Direction Control 57 13 7 Horizontal Airflow Direction Control 59 13 8 Powerful Operation 60 13 9 Quiet Operation 60 13 10 Timer Control 61 13 11 Random Auto Restart Control 61 13 12 Remote Control Signal Receiving Sound 61 13 13 nanoe G Operation 62 13 14 In filter Deactivation Operation 64 13 15 AUTO CO...

Page 3: ...rical 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 case equipment breakdown or insulation breakdown 10 Do not use joint cable for indoor outdoor connection cable Use the specified Indoor Outdoor connection cable refer to insta...

Page 4: ...on 60245 IEC 57 or heavier cord Connect the power supply cord of the air conditioner to the mains using one of the following method 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 prohibited i Power supply connection to the receptacle using power plug Use an ap...

Page 5: ...o rpm 640 730 Me rpm 830 910 Hi rpm 1010 1090 Indoor Fan Speed SHi rpm 1110 1110 Type Propeller Fan Propeller Fan Material PP Resin PP Resin Motor Type AC Induction 6 poles AC Induction 6 poles Input Power W 74 8 86 7 Output Power W 30 30 Outdoor Fan Speed Hi rpm 800 800 Moisture Removal L h Pt h 1 6 3 4 2 1 4 4 QLo m 3 min ft 3 min 5 4 189 6 3 222 Lo m 3 min ft 3 min 6 0 213 7 0 246 Me m 3 min ft...

Page 6: ...e Coated Fin Type Louver Fin Louver Fin Row Stage FPI 1 17 17 1 20 17 Outdoor Heat Exchanger Size W H L mm 22 482 6 567 4 22 508 814 4 Material Polypropelene Polypropelene Air Filter Type One touch One touch Power Supply Indoor Indoor Power Supply Cord A 10 10 Thermostat Protection Device 2 Stage Overload Protector 2 Stage Overload Protector Dry Bulb Wet Bulb Dry Bulb Wet Bulb Maximum C 32 23 32 2...

Page 7: ...rpm 1200 1320 Indoor Fan Speed SHi rpm 1370 1440 Type Propeller Fan Propeller Fan Material PP Resin PP Resin Motor Type AC Induction 6 poles AC Induction 6 poles Input Power W 167 2 162 8 Output Power W 86 79 Lo rpm 560 Outdoor Fan Speed Hi rpm 890 855 Moisture Removal L h Pt h 2 9 6 1 4 0 8 5 QLo m 3 min ft 3 min 11 6 409 13 5 477 Lo m 3 min ft 3 min 12 8 451 14 8 521 Me m 3 min ft 3 min 14 1 498...

Page 8: ...d Blue Coated Fin Type Slit Fin Slit Fin Row Stage FPI 2 31 17 2 34 17 Outdoor Heat Exchanger Size W H L mm 25 4 651 866 6 846 6 25 4 714 806 2 826 2 Material Polypropelene Polypropelene Air Filter Type One touch One touch Power Supply Indoor Indoor Power Supply Cord A 16 20 Thermostat Mechanical Protection Device 2 Stage Overload Protector Dry Bulb Wet Bulb Dry Bulb Wet Bulb Maximum C 32 23 32 23...

Page 9: ...o rpm 1200 Me rpm 1340 Hi rpm 1490 Indoor Fan Speed SHi rpm 1530 Type Propeller Fan Material PP Resin Motor Type AC Induction 6 poles Input Power W 160 1 Output Power W 75 Lo rpm 540 Outdoor Fan Speed Hi rpm 870 Moisture Removal L h Pt h 5 0 10 6 QLo m 3 min ft 3 min 15 0 531 Lo m 3 min ft 3 min 16 3 575 Me m 3 min ft 3 min 18 2 642 Hi m 3 min ft 3 min 20 2 713 Indoor Airflow SHi m 3 min ft 3 min ...

Page 10: ...e Coated Fin Type Corrugated Fin Row Stage FPI 2 28 17 Outdoor Heat Exchanger Size W H L mm 44 711 2 787 4 821 4 Material Polypropelene Air Filter Type One touch Power Supply Outdoor Power Supply Cord A 20 Thermostat Mechanical Protection Device Dry Bulb Wet Bulb Maximum C 32 23 Indoor Operation Range Minimum C 16 11 Maximum C 43 26 Outdoor Operation Range Minimum C 16 11 1 Cooling capacities are ...

Page 11: ...to 30 meters Easy to use remote 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 o Noise prevention during soft dry operation o Blue coated condenser for high resistance to corrosion Operation Improvement o Quiet mode to reduce the indoor unit operat...

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

Page 13: ...13 5 Dimensions 5 1 Indoor Unit 5 1 1 CS C9PKV CS C12PKV ...

Page 14: ...14 5 1 2 CS C18PKV CS C24PKV CS C28PKV ...

Page 15: ...15 5 2 Outdoor Unit 5 2 1 CU C9PKV 5 2 2 CU C12PKV ...

Page 16: ...16 5 2 3 CU C18PKV 5 2 4 CU C24PKV CU C28PKV ...

Page 17: ...D N I STRAINER CAPILLARY TUBE LIQUID SIDE 2 WAY VALVE GAS SIDE 3 WAY VALVE THERMOSTAT C24PK C28PK only HEAT EXCHANGER CONDENSER HEAT EXCHANGER EVAPORATOR INTAKE AIR TEMP SENSOR PIPE TEMP SENSOR CAPILLARY TUBE C28PK only OIL SEPARATOR C28PK only COMPRESSOR ...

Page 18: ...18 7 Block Diagram 7 1 1 CS C9PKV CU C9PKV CS C12PKV CU C12PKV ...

Page 19: ...19 7 1 2 CS C18PKV CU C18PKV CS C24PKV CU C24PKV ...

Page 20: ...20 7 1 3 CS C28PKV CU C28PKV ...

Page 21: ...WA921443 CONNECTION 2R13C236BSC 2P19S236A1L BLUE YELLOW 382 0Ω 382 0Ω C R 3 298Ω 2 237Ω YELLOW RED 226 8Ω 226 8Ω C S 5 500Ω 2 710Ω Note Resistance at 20 C of ambient temperature Note Resistance at 20 C of ambient temperature Resistance of Outdoor Fan Motor Windings MODEL CU C9PKV CU C12PKV CONNECTION CWA951562 CWA951329J BLUE YELLOW 307 4Ω 258 3Ω YELLOW RED 202 4Ω 245 9Ω Note Resistance at 20 C of...

Page 22: ...dings Resistance of Compressor Windings MODEL CU C18PKV MODEL CU C18PKV CONNECTION CWA951707 CONNECTION 2KS252F5AA06 BLUE YELLOW 45Ω C R 2 043Ω YELLOW RED 58Ω C S 2 986Ω Note Resistance at 20 C of ambient temperature Note Resistance at 20 C of ambient temperature ...

Page 23: ...istance of Compressor Windings MODEL CU C24PKV MODEL CU C24PKV CONNECTION CWA951708 CONNECTION 2JS386F3AA04 BLUE YELLOW 57Ω C R 1 048Ω YELLOW RED 59Ω C S 1 785Ω YELLOW ORANGE 65Ω Note Resistance at 20 C of ambient temperature Note Resistance at 20 C of ambient temperature ...

Page 24: ...ance of Compressor Windings MODEL CU C28PKV MODEL CU C28PKV CONNECTION CWA951357J CONNECTION 2JD488H3AA03 YELLOW BLUE 59 8Ω C R 0 624Ω YELLOW ORANGE 68 6Ω C S 1 821Ω YELLOW RED 66 9Ω Note Resistance at 20 C of ambient temperature Note Resistance at 20 C of ambient temperature ...

Page 25: ...25 9 Electronic Circuit Diagram 9 1 CS C9PKV CU C9PKV CS C12PKV CU C12PKV ...

Page 26: ...26 9 2 CS C18PKV CU C18PKV ...

Page 27: ...27 9 3 CS C24PKV CU C24PKV ...

Page 28: ...28 9 4 CS C28PKV CU C28PKV ...

Page 29: ...29 10 Printed Circuit Board 10 1 Indoor Unit 10 1 1 Main Printed Circuit Board 10 1 1 1 CS C9PKV CS C12PKV ...

Page 30: ...30 10 1 1 2 CS C18PKV CS C24PKV CS C28PKV 10 1 2 Indicator and Receiver Printed Circuit Board 10 1 3 High Voltage Power Supply Printed Circuit Board ...

Page 31: ...31 10 1 4 Comparator Printed Circuit Board 10 1 5 Human Activity Sensor Printed Circuit Board ...

Page 32: ...cles Recommended installation height for indoor unit shall be at least 2 5 m 11 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 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...

Page 33: ...5 screws If mounting the unit on the concrete wall consider using anchor 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 ø70 mm hole core drill o Putting measuring tape at position as shown in the diagram above The hole center is obtained by measuring the distance namely 128 mm for ...

Page 34: ...1 2 3 Indoor Unit Installation 11 2 3 1 For the right rear piping 11 2 3 2 For the right and right bottom piping 11 2 3 3 For the embedded piping This can be used for left rear piping and bottom piping also ...

Page 35: ...e 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 WARNING This equipment must be properly earthed Note Isolating Devices Disconnecting means should have minimum 3 0 mm contact gap Ensure the colour of wires of outdoor unit and the terminal Nos are the same to the indoor s respectively Earth wir...

Page 36: ...ping 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 entering the pipe 3 Please make flare after inserting the flare nut onto the copper pipes ...

Page 37: ...at joint portion of 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 torque wrench in specified torque as stated in the table 11 3 2 2 Connecting the piping to outdoor Decide piping length and then cut by using pipe cutter Remove burrs from cut edge Ma...

Page 38: ...Note BE SURE TO TAKE THIS PROCEDURE IN ORDER TO AVOID REFRIGERENT 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 N m with a torque wrench 7 Remove the valve caps of both of the 2 way valve and 3 way valve Position both of the valves to OPEN using a hexagonal wrench 4 m...

Page 39: ...compressor 1 Remove the caps from the 2 way and 3 way valves 2 Remove the service port cap from the 3 way valves 3 To open the valve turn the valve stem of 2 way valve counter clockwise approx 90 and hold it there for ten seconds then close it 4 Check gas leakage of the connecting portion of the pipings o For the left piping refer to item 4 A ...

Page 40: ... clamper 4 Attach the control board cover back to the original position with screw 5 For wire stripping and connection requirement refer to instruction 11 2 5 of indoor unit WARNING This equipment must be properly earthed Earth wire shall be Yellow Green Y G in colour and longer than the other AC wires for safety reason 11 3 6 Piping Insulation 1 Please carry out insulation at pipe connection port...

Page 41: ... Recommended installation height for indoor unit shall be at least 2 5 m 12 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 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 ...

Page 42: ...unit on the concrete wall consider using anchor 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 ø70 mm hole core drill o Putting measuring tape at position as shown in the diagram above The hole center is obtained by measuring the distance namely 128 mm for left and right hole respe...

Page 43: ...2 2 3 Indoor Unit Installation 12 2 3 1 For the right rear piping 12 2 3 2 For the right and right bottom piping 12 2 3 3 For the embedded piping This can be used for left rear piping and bottom piping also ...

Page 44: ...e if the existing wire from concealed wiring or otherwise is too short Secure the connection cable onto the control board with the holder WARNING This equipment must be properly earthed Note Isolating Devices Disconnecting means should have minimum 3 0 mm contact gap 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...

Page 45: ...45 12 2 5 Wire Stripping And Connecting Requirement ...

Page 46: ... 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 torque wrench in specified torque as stated in the table 12 3 2 2 Connecting the piping to outdoor Decide piping length and then cut by using pipe cutter Remove burrs from cut edge Make flare after inserting the flare nut locate at ...

Page 47: ...Note BE SURE TO TAKE THIS PROCEDURE IN ORDER TO AVOID REFRIGERENT 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 N m with a torque wrench 7 Remove the valve caps of both of the 2 way valve and 3 way valve Position both of the valves to OPEN using a hexagonal wrench 4 m...

Page 48: ...upply cord 3 4 0 mm2 type designation 60245 IEC 57 or heavier cord to the terminal board and connect the others end of the cable to Isolating Devices Disconnecting means o Do not use joint power supply cord Replace the wire if the existing wire from concealed wiring or otherwise is too short o In unavoidable case joining of power supply cord between isolating devices and terminal board of air cond...

Page 49: ... Piping Insulation 1 Please carry out insulation at pipe connection portion as mentioned in Indoor Outdoor Unit Installation Diagram Please wrap the insulated piping end to prevent water from going inside the piping 2 If drain hose or connecting piping is in the room where dew may form please increase the insulation by using POLY E FOAM with thickness 6 mm or above 12 3 6 1 Cutting and flaring the...

Page 50: ...ture to the setting temperature set on the remote control The remote control setting temperature which takes the reading of intake air temperature sensor can be adjusted from 16 C to 30 C During cooling operation the compressor will stop and restart as shown in figure below 13 1 1 Cooling Operation Time Diagram For CS C9PK CU C9PK and CS C12PK CU C12PK ...

Page 51: ...51 13 1 2 Cooling Operation Time Diagram For CS C18PK CU C18PK CS C24PK CU C24PK and CS C28PK CU C28PK ...

Page 52: ...be switched ON for a maximum 10 minutes then Soft Dry operation will be turn OFF for a minimum 6 minutes After that the Soft Dry operation will be ON and OFF based on the setting temperature as shown in figure below However after 3 minutes of compressor off during Soft Dry OFF within 6 minutes Soft Dry restart control the indoor unit will start to operate at normal Cooling mode if the intake tempe...

Page 53: ...53 13 2 2 Soft Dry Operation Time Diagram For CS C18PK CU C18PK CS C24PK CU C24PK and CS C28PK CU C28PK ...

Page 54: ...Dry Operation 22 C The setting temperature for all the operations can be changed one level up or one level down from the standard temperature as shown in table below by pressing the temperature up or temperature down button at remote control Cooling Soft Dry Higher Æ 2 C 27 C 24 C Standard Æ 0 C 25 C 22 C Lower Æ 2 C 23 C 20 C The operation mode judging temperature and standard setting temperature...

Page 55: ...0 13 4 2 Automatic Fan Speed Control When set to Auto Fan Speed the fan speed is adjusted between maximum and minimum setting as shown in the table o Fan speed rotates in the range of Hi and Me For CS C9PK and CS C12PK o Fan speed rotates in the range of Hi Me and Lo For CS C18PK CS C24PK and CS C28PK o Deodorizing Control will be activated For CS C9PK and CS C12PK SHi Hi Me HLo CLo Lo SLo Variabl...

Page 56: ...the first time the compressor operates indoor fan will be switched to Hi fan speed from Lo after 70 seconds from the start of compressor This cause the room temperature to achieve the setting temperature quickly 4 During compressor stops indoor fan will operate at Lo for the beginning 20 seconds to prevent higher volume of refrigerant in liquid form returning to the compressor 5 After the compress...

Page 57: ... There is only one speed for outdoor fan motor Applicable for CU C9PK CU C12PK and CU C18PK There is 2 speeds for outdoor fan motor Outdoor fan speed can be changed to Hi or Lo according to outdoor temperature Applicable for CU C24PK and CU C28PK For Cooling and Soft Dry operation when outdoor temperature reaches to 31 C Hi speed 29 C Lo speed Applicable for CU C24PK and CU C28PK When air conditio...

Page 58: ... in the range shown in the diagram The louver can be adjusted by pressing the button to the desired louver position When stop operation using the remote control the discharge vent is reset and stop at the closing position For CS C9PK and CS C12PK For CS C18PK CS C24PK and CS C28PK Closing position 140 Lower limit for cooling mode and soft dry mode Horizontal 15 23 38 31 45 Upper limit for cooling ...

Page 59: ...9PK and CS C12PK For CS C18PK CS C24PK and CS C28PK 13 7 2 Manual Control When the horizontal airflow direction is set to Manual using the remote control the automatic airflow is released and the airflow direction vane move left and right in the range shown in the diagram The louver can be adjusted by pressing the button to the desired vane position When stopped with remote control the vanes is re...

Page 60: ...ssed again o Powerful operation has operate for 15 minutes o Stopped by OFF ON operation button o Timer OFF activates o Operation mode is changed 13 9 Quiet Operation For Cooling Operation or cooling region of Soft Dry Operation To provide quiet cooling operation condition Once the Quiet Operation is set at the remote control the Quiet LED brightness will be dimmed The sound level will reduce arou...

Page 61: ...imer or OFF Timer will not be cancel 2 To cancel the previous timer setting press CANCEL button 3 To activate the previous timer setting press SET button 4 If main power supply is switched off the Timer setting will be cancel 13 11 Random Auto Restart Control If there is a power failure during operation the air conditioner will automatically restart after 3 to 4 minutes when the power is resumed I...

Page 62: ...Auto Fan Speed and no Powerful operation is allowed Even if Fan Speed button is 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 any operation mode combines with nanoe G operation airflow direction follows respective operation mode o During nanoe G ...

Page 63: ...eration the nanoe G system has abnormal discharge due to short circuit caused by water or dust adhesion and so forth with Lo feedback voltage at microcontroller When abnormal discharge occurred every 30 minutes the unit supplies power to the nanoe G system When abnormal discharge occurs for 24 times continuously nanoe G indicator blinks o Troubleshooting method Press nanoe G button or OFF ON butto...

Page 64: ...n 2hours In filter deactivation stop condition o The unit is turned on o nanoe G generator operation time during in filter deactivation operation has achieved 120 minutes o The unit received disable signal from remote control o Nanoe G abnormality occurs Control contents o When the unit operate in Cool or Dry mode before turned off 1 The unit will operate fan operation fan motor will operate at 50...

Page 65: ...s OFF by OFF ON button o When unit is OFF when OFF TIMER activates o When unit is OFF by AUTO OFF ON button at indoor unit o When POWERFUL QUIET operation activates o When button is pressed 13 15 1 Human Activity Sensor Area of human availability activity level and absent is judged based on pulses by using 2 infrared sensors The internal setting temperature shift fan speed and horizontal airflow d...

Page 66: ...s o Non Living Area near windows wall etc 13 15 1 4 Human Position Analysis According to Area of Living frequency of activity and indoor unit intake temperature the system will analyze the human position away from the indoor unit 13 15 1 5 Target Area and Position Judgment The system will judge the indoor unit installation position according to human activity Non Living Area o Non Living Area at P...

Page 67: ...y level difference Louver stop time 1 level Higher Activity level 60 seconds Lower Activity level 30 seconds Cooling 2 levels Higher Activity level 60 seconds Lower Activity level 8 seconds When 3 activity areas have been detected according to Human Activity Level the timing of horizontal airflow louver steps at the targeted activity areas is judged Operation mode Activity level Louver stop time C...

Page 68: ...on details Infrared sensor Human Activity Sensor Sensor 1 Sensor 2 Left Center Right Vane position Fan speed 1 0 5 HI 1 1 Auto Swing HI 0 1 1 HI 0 0 Auto Swing LO The target area will maintain for 5 seconds before changeover to next detection If no activity detection the last action will maintain for 30 seconds before changeover to human absence status ...

Page 69: ...r AC reset o When abnormality counter reached 4 times No TIMER indicator blinking When error code happened the unit is able to operate without AUTO COMFORT ECONAVI 13 15 1 11 Human Activity Sensor Check Mode To enable human activity sensor check mode during ECONAVI operation ON During ECONAVI is ON when CHECK signal received if either sensors has abnormality the 4 times abnormality counter is igno...

Page 70: ...ight judgment is as following 13 15 2 1 Sunlight intensity reset The sunlight intensity will to reset to zero no sunlight condition when o Each time ECONAVI is activated o Setting temperature is changed o Operation mode is changed 13 15 2 2 Judge sunlight intensity Based on sunlight sensor output voltage the sunlight intensity value will be computed and logged to sunlight intensity database The su...

Page 71: ...nutes o During check mode the ON and OFF timer will be memorized but it operation be ignored o During check mode if the sunlight sensor check code is retransmitted the 5 minutes counter will be reset o During check mode if sunlight sensor detected the sunlight intensity value above minimum level the ECONAVI indicator turns ON Else if sunlight sensor detected sunlight intensity value below minimum ...

Page 72: ...e ECONAVI is OFF the 24 hours timer will be reset but the sunlight sensor disconnection error counter will not be reset Error Code judgment o When sunlight sensor disconnection error counter reached 15 times sunlight sensor is judged as abnormal o No ECONAVI indicator blinks Until ECO check code sent during ECONAVI operation ON the ECONAVI indicator will blinks When error code happened the unit is...

Page 73: ...the intake air temperature falls between the compressor ON temperature A and compressor OFF temperature B during the period This phenomenon is to reduce the built up humidity inside a room 14 3 60 Seconds Forced Operation Once the air conditioner is turned on the compressor will not stop within 60 seconds in a normal operation although the intake air temperature has reached the thermo off temperat...

Page 74: ...lay Safety Control will be applied in this control if the recovery time is too short 14 6 Compressor Reverse Rotation Protection Control If the compressor is operating continuously for 5 minutes or longer and the temperature difference between intake air and indoor heat exchanger is 2 5 C or less for continuously 2 minutes compressor will stop and restart automatically Time Delay Safety Control is...

Page 75: ...25 C o Fan speed is at CLo or QLo o Room temperature is constant 1 C for 30 minutes o Compressor is continuously running Fan speed will be adjusted accordingly in this control o Fan sped will be increased slowly if the unit is in quiet mode and Lo fan speed Dew prevention stop condition o Remote control setting temperature is more than 25 C o Fan speed is not at Lo or QLo o Select Powerful operati...

Page 76: ...e remote control receiving sound Short beep Turn ON remote control receiving sound Long beep Turn OFF remote control receiving sound After Auto OFF ON button is pressed the 20 seconds counter for Remote Control Receiving Sound OFF ON Mode is restarted ii Remote Control Number Switch There are 4 types of remote control transmission code could be selected and stored in EEPROM of indoor unit The indo...

Page 77: ... Set button until a beep sound is heard as confirmation of transmission code change 15 2 2 RESET To clear and restore the remote control setting to factory default o Press once to clear the memory 15 2 3 TIMER To change indoor unit indicators intensity o Press continuously for 5 seconds 15 2 4 TIMER To change remote control display from Degree Celsius C to Degree Fahrenheit F o Press continuously ...

Page 78: ...r Temperature Standard Gas Pressure Mpa kg cm 2 G Outlet air Temperature C Cooling Mode 0 4 0 6 4 6 12 16 Condition Indoor fan speed High Outdoor temperature 35 C Different in the intake and outlet air temperatures Normal Value of electric current during operation Dusty condenser preventing heat radiation Excessive amount of refrigerant Gas side pressure Inefficient compressor Insufficient refrige...

Page 79: ...t of pressure electric current and temperature fifteen minutes after an operation is started 16 1 2 Diagnosis methods of a malfunction of a compressor Nature of fault Symptom Insufficient compressing of a compressor Electric current during operation becomes approximately 20 lower than the normal value The discharge tube of the compressor becomes abnormally hot normally 70 C to 90 C The different b...

Page 80: ...e capacitor has discharged sufficiently before proceeding with repair work Failure to heed this caution may result in electric shocks 17 1 CS C9PKV CS C12PKV 17 1 1 Indoor Electronic Controllers Cross Flow Fan and Indoor Fan Motor Removal Procedures 17 1 1 1 To remove front grille Figure 1 17 1 1 2 To remove electronic controller Figure 2 ...

Page 81: ...81 Figure 3 Figure 4 17 1 1 3 To remove discharge grille Figure 5 ...

Page 82: ...82 17 1 1 4 To remove control board Figure 6 17 1 1 5 To remove cross flow fan and indoor fan motor Figure 7 Figure 8 ...

Page 83: ...83 Figure 9 Figure 10 ...

Page 84: ...ed sufficiently before proceeding with repair work Failure to heed this caution may result in electric shocks 17 2 CS C18PKV CS C24PKV CS C28PKV 17 2 1 Indoor Electronic Controllers Cross Flow Fan and Indoor Fan Motor Removal Procedures 17 2 1 1 To remove front grille Figure 11 17 2 1 2 To remove horizontal vane Figure 12 ...

Page 85: ...85 17 2 1 3 To remove electronic controller Figure 13 Figure 14 Figure 15 17 2 1 4 To remove discharge grille Figure 16 ...

Page 86: ...86 17 2 1 5 To remove control board Figure 17 17 2 1 6 To remove cross flow fan and indoor fan motor Figure 18 Figure 19 ...

Page 87: ...87 Figure 20 Figure 21 ...

Page 88: ...88 18 Technical Data 18 1 Thermostat Characteristics Cooling Soft Dry ...

Page 89: ...89 18 2 Operation Characteristics 18 2 1 CS C9PKV CU C9PKV Cooling Characteristic o Room temperature 27 C DBT 19 C WBT o Operation condition High fan speed o Piping length 7 5m ...

Page 90: ...90 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 Piping length 7 5m ...

Page 91: ...91 18 2 2 CS C12PKV CU C12PKV Cooling Characteristic o Room temperature 27 C DBT 19 C WBT o Operation condition High fan speed o Piping length 7 5m ...

Page 92: ...92 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 Piping length 7 5m ...

Page 93: ...93 18 2 3 CS C18PKV CU C18PKV Cooling Characteristic o Room temperature 27 C DBT 19 C WBT o Operation condition High fan speed o Piping length 5m ...

Page 94: ...94 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 Piping length 5m ...

Page 95: ...95 18 2 4 CS C24PKV CU C24PKV Cooling Characteristic o Room temperature 27 C DBT 19 C WBT o Operation condition High fan speed o Piping length 5m ...

Page 96: ...96 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 Piping length 5m ...

Page 97: ...97 18 2 5 CS C28PKV CU C28PKV Cooling Characteristic o Room temperature 27 C DBT 19 C WBT o Operation condition High fan speed o Piping length 5m ...

Page 98: ...98 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 Piping length 5m ...

Page 99: ...ew and Replacement Parts List 19 1 Indoor Unit 19 1 1 CS C9PKV CS C12PKV 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 100: ...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 CWH13C1247 26 DISCHARGE GRILLE COMPLETE 1 CWE20C3235 27 BACK COVER CHASSIS 1 CWD933233 28 FULCRUM 1 CWH621131 29 VERTICAL VANE 8 CWE241374 30 CONNECTING BAR 1 CWE261250 31 CONNECTING BAR 1 CWE261256 32 AI...

Page 101: ...CS C12PKV REMARK 50 BAG 1 CWG861497 51 SHOCK ABSORBER L 1 CWG713386 52 SHOCK ABSORBER R 1 CWG713387 53 C C CASE 1 CWG569054 CWG569055 Note All parts are supplied from PAPAMY Malaysia Vendor Code 00029488 O marked parts are recommended to be kept in stock ...

Page 102: ...102 19 1 2 CS C18PKV CS C24PKV CS C28PKV 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 103: ...0 ELECTRONIC CONTROLLER COMPARATOR 1 CWA746653 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 CWH13C1247 26 DISCHARGE GRILLE COMPLETE 1 CWE20C3242 27 BACK COVER CHASSIS 1 CWD933031 28 FULCRUM 2 CWH621138 29 VERTICAL VANE 11 CWE241374 30 CONNECTING BAR 1 CWE...

Page 104: ...ER SUPPLY CORD CO 1 CWA20C2851 CWA20C2853 50 BAG 1 CWG861498 51 SHOCK ABSORBER L 1 CWG713402 52 SHOCK ABSORBER R 1 CWG713403 53 C C CASE 1 CWG569056 CWG569057 CWG569058 Note All parts are supplied from PAPAMY Malaysia Vendor Code 00029488 O marked parts are recommended to be kept in stock ...

Page 105: ...105 19 2 Outdoor Unit 19 2 1 CU C9PKV 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 106: ...VE GAS 1 CWB011257 O 18 OVERLOAD PROTECTOR WITH WIRE 1 CWA67C5701 O 20 TERMINAL COVER 1 CWH171011 21 NUT TERMINAL COVER 1 CWH7080300J 22 SOUND PROOF BOARD 1 CWH151074 23 TERMINAL BOARD ASS Y 1 CWA28K1064J 24 CAPACITOR COM 1 CWA312113 O 25 HOLDER CAPACITOR 1 CWH301038 26 CAPACITOR F M 1 F0GAH205A009 O 27 CABINET SIDE PLATE 1 CWE041110A 28 CABINET SIDE PLATE COMPLETE 1 CWE04C1042 29 CABINET FRONT PL...

Page 107: ...107 19 2 2 CU C12PKV 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 108: ...IRE 1 CWA67C7548 O 20 TERMINAL COVER 1 CWH171011 21 NUT TERMINAL COVER 1 CWH7080300J 22 SOUND PROOF BOARD 1 CWH151022 23 TERMINAL BOARD ASS Y 1 CWA28K1064J 24 CAPACITOR COM 1 DS371306CPNA O 25 HOLDER CAPACITOR 1 CWH30057 26 CAPACITOR F M 1 F0GAH205A009 O 27 CABINET SIDE PLATE 1 CWE041248A 28 CABINET SIDE PLATE COMPLETE 1 CWE04C1119 29 CABINET FRONT PLATE ASS Y 1 CWE06K1034 30 CABINET TOP PLATE 1 C...

Page 109: ...109 19 2 3 CU C18PKV 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 110: ...O 21 TERMINAL COVER 1 CWH171011 22 NUT TERMINAL COVER 1 CWH7080300J 23 SOUND PROOF BOARD 1 CWH151237 24 TERMINAL BOARD ASS Y 1 CWA28K1064J O 26 CAPACITOR COM 1 CWA312078 O 27 HOLDER CAPACITOR 1 CWH30060 28 CAPACITOR F M 1 F0GAH355A009 O 29 CABINET SIDE PLATE 1 CWE041520A 30 CABINET SIDE PLATE COMPLETE 1 CWE04C1268 31 CABINET FRONT PLATE ASS Y 1 CWE06K1077 32 CABINET TOP PLATE 1 CWE031145A 33 CONTR...

Page 111: ...111 19 2 4 CU C24PKV 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 112: ...112 19 2 5 CU C28PKV 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 113: ...CWH151056 24 TERMINAL BOARD ASS Y 1 CWA28K1064J CWA28K224J 26 CAPACITOR COM 1 DS441606CPNA O 27 HOLDER CAPACITOR 1 CWH301055 28 CAPACITOR F M 1 F0GAH355A009 O 29 CABINET SIDE PLATE 1 CWE041255A 30 CABINET SIDE PLATE COMPLETE 1 CWE04C1123 CWE04C1122 31 CABINET FRONT PLATE ASS Y 1 CWE06K1043 CWE06K1045 32 CABINET TOP PLATE 1 CWE03K1009A 33 CONTROL BOARD COVER 1 CWH131168 34 HANDLE 1 CWE161010 35 CON...

Page 114: ...114 Printed in Malaysia SZ0313 0 ...

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Panasonic CS-C12PKV, Service Manual

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