Panasonic CS-C12MKV Service Manual Download Page 1 | Manualshive

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© Panasonic HA Air-Conditioning (M) Sdn. Bhd. 2011.
Unauthorized copying and distribution is a violation of law.

Order No: PHAAM1101045C3

Indoor Unit

Outdoor Unit

CS-C9MKV

CS-C12MKV
CS-C18MKV
CS-C24MKV
CS-C28MKV

CU-C9MKV

CU-C12MKV
CU-C18MKV
CU-C24MKV
CU-C28MKV

This service information is designed for experienced repair technicians only and is not designed for use by the general public.
It does not contain warnings or cautions to advise non-technical individuals of potential 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 service information by anyone else could result in serious injury or death.

WARNING

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Summary of Contents for CS-C12MKV

Page 1: ...signed 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 th...

Page 2: ...5 Outdoor Fan Speed Control 52 12 6 Vertical Airflow Direction Control 52 12 7 Horizontal Airflow Direction Control 54 12 8 Powerful Operation 55 12 9 Quiet Operation 55 12 10 Timer Control 56 12 11 Random Auto Restart Control 56 12 12 Remote Control Signal Receiving Sound 56 12 13 Patrol Operation 57 12 14 E ion operation 61 12 15 AUTO COMFORT and ECO NAVI Operation 64 13 Protection Control 69 13...

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: ...F 70 F 30 C 40 C higher Please use a high temperature solder iron In case of the soldering iron with temperature control please set it to 700 20 F 370 10 C Pb free solder will tend to splash when heated too high about 1100 F 600 C 7 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 ...

Page 5: ...0 750 Me rpm 850 930 Hi rpm 1030 1110 Indoor Fan Speed SHi rpm 1130 1130 Type Propeller Fan Propeller Fan Material PP Resin PP Resin Motor Type Induction 6 poles Induction 6 poles Input Power W 68 2 74 0 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 3 189 6 4 225 Lo m 3 min ft 3 min 6 0 212 7 0 248 Me m 3 min ft 3 min 7 8 277...

Page 6: ...ouver Fin Row x Stage x FPI 1 x 17 x 17 1 x 20 x 17 Outdoor Heat Exchanger Size W x H x L mm 22 x 482 6 x 567 4 22 x 508 x 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 32 23 32 23 Indoor...

Page 7: ... Indoor Fan Speed SHi rpm 1370 1500 Type Propeller Fan Propeller Fan Material PP Resin PP Resin Motor Type Induction 6 poles Induction 6 poles Input Power W 151 8 148 4 Output Power W 86 79 Lo rpm 490 Outdoor Fan Speed Hi rpm 810 820 Moisture Removal L h Pt h 2 9 6 1 4 0 8 5 QLo m 3 min ft 3 min 12 2 432 12 9 457 Lo m 3 min ft 3 min 13 4 474 15 0 528 Me m 3 min ft 3 min 14 6 516 16 6 586 Hi m 3 mi...

Page 8: ...Fin Slit Fin Row x Stage x FPI 2 x 34 x 17 2 x 34 x 17 Outdoor Heat Exchanger Size W x H x L mm 25 4 x 714 x 806 2 826 2 25 4 x 714 x 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 32 23 32 23 Indoo...

Page 9: ...1250 Me rpm 1400 Hi rpm 1490 Indoor Fan Speed SHi rpm 1530 Type Propeller Fan Material PP Resin Motor Type 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 7 555 Lo m 3 min ft 3 min 16 9 598 Me m 3 min ft 3 min 19 0 670 Hi m 3 min ft 3 min 20 2 713 Indoor Airflow SHi m 3 min ft 3 min 20 7 733 ...

Page 10: ...Corrugated Fin Row x Stage x FPI 2 x 28 x 17 Outdoor Heat Exchanger Size W x H x L mm 44 x 711 2 x 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 32 23 Indoor Operation Range Minimum 16 11 Maximum 43 26 Outdoor Operation Range Minimum 16 11 1 Cooling capacities are based on i...

Page 11: ... CU C24MK long piping up to 25 meters o CS CU C28MK long piping up 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 ...

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 C9MKV CS C12MKV ...

Page 14: ...14 5 1 2 CS C18MKV CS C24MKV CS C28MKV ...

Page 15: ...15 5 2 Outdoor Unit 5 2 1 CU C9MKV 5 2 2 CU C12MKV ...

Page 16: ...16 5 2 3 CU C18MKV CU C24MKV CU C28MKV ...

Page 17: ...17 6 Refrigeration Cycle Diagram ...

Page 18: ...18 7 Block Diagram 7 1 1 CS C9MKV CU C9MKV CS C12MKV CU C12MKV ...

Page 19: ...19 7 1 2 CS C18MKV CU C18MKV CS C24MKV CU C24MKV ...

Page 20: ...20 7 1 3 CS C28MKV CU C28MKV ...

Page 21: ...V CONNECTION CWA921443 CONNECTION 2R13C236BSC BLUE YELLOW 382 0Ω C R 3 298Ω YELLOW RED 226 8Ω C S 5 500Ω Note Resistance at 25 C of ambient temperature Note Resistance at 20 C of ambient temperature Resistance of Outdoor Fan Motor Windings MODEL CU C9MKV CONNECTION CWA951396J BLUE YELLOW 215Ω YELLOW RED 191Ω Note Resistance at 20 C of ambient temperature ...

Page 22: ...WA921443 CONNECTION 2P19S236A1L BLUE YELLOW 382 0Ω C R 2 237Ω YELLOW RED 226 8Ω C S 2 710Ω Note Resistance at 25 C of ambient temperature Note Resistance at 20 C of ambient temperature Resistance of Outdoor Fan Motor Windings MODEL CU C12MKV CONNECTION CWA951329J BLUE YELLOW 258 3Ω YELLOW RED 245 9Ω Note Resistance at 20 C of ambient temperature ...

Page 23: ...ngs Resistance of Compressor Windings MODEL CU C18MK MODEL CU C18MK CONNECTION CWA951401J CONNECTION 2KS252F5AA04 BLUE YELLOW 59 47Ω C R 1 959Ω YELLOW RED 60 95Ω C S 3 083Ω Note Resistance at 20 C of ambient temperature Note Resistance at 20 C of ambient temperature ...

Page 24: ...nce of Compressor Windings MODEL CU C24MK MODEL CU C24MK CONNECTION CWA951399J CONNECTION 2JS386F3AA04 BLUE YELLOW 59 47Ω C R 1 048Ω YELLOW RED 60 95Ω C S 1 785Ω YELLOW ORANGE 80 58Ω Note Resistance at 20 C of ambient temperature Note Resistance at 20 C of ambient temperature ...

Page 25: ...tance of Compressor Windings MODEL CU C28MK MODEL CU C28MK 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 26: ...26 9 Electronic Circuit Diagram 9 1 CS C9MKV CU C9MKV ...

Page 27: ...27 9 2 CS C12MKV CU C12MKV ...

Page 28: ...28 9 3 CS C18MKV CU C18MKV ...

Page 29: ...29 9 4 CS C24MKV CU C24MKV ...

Page 30: ...30 9 5 CS C28MKV CU C28MKV ...

Page 31: ...31 10 Printed Circuit Board 10 1 Indoor Unit 10 1 1 Main Printed Circuit Board 10 1 1 1 CS C9MKV CS C12MKV ...

Page 32: ...32 10 1 1 2 CS C18MKV CS C24MKV CS C28MKV ...

Page 33: ...33 10 1 2 Indicator Printed Circuit Board 10 1 3 Receiver Printed Circuit Board 10 1 4 High Voltage Power Supply Printed Circuit Board 10 1 5 Comparator Printed Circuit Board ...

Page 34: ...34 10 1 6 Human Activity Sensor Printed Circuit Board ...

Page 35: ...ded 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 Do not place...

Page 36: ... 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 ø70mm 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 respectively Another method is intersect...

Page 37: ...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 38: ...door unit and outdoor unit shall be approved polychloroprene sheathed 3 x 1 5 mm2 1 0 1 5HP or 3 x 2 5 mm2 2 0 2 5HP flexible cord type designation 245 IEC 57 or heavier cord Do not use joint connection cable Replace the wire if the existing wire from concealed wiring or otherwise is too short Secure the connection cable onto the control board with the holder WARNING This equipment must be properl...

Page 39: ...s 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 the other AC wires for safety reason 11 2 5 Wire Stripping And Connecting Requirement 11 2 5 1 Cutting and flaring the piping 1 Please cut using pipe cutter and then remove the burrs 2 Remove th...

Page 40: ...tion 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 Make flare aft...

Page 41: ...R 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 mm 8 Mount valve caps onto the 2 way valve a...

Page 42: ...he 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 4 A ...

Page 43: ...ing Devices Disconnecting means o Connect the approved polychloroprene sheathed power supply cord 3 x 4 0 mm2 3 0HP type designation 245 IEC 57 or heavier cord to the terminal board and connect the other end of the cord 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...

Page 44: ...low Green Y G in colour and longer than other AC wires for safety reason 11 3 6 Pipe 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 us...

Page 45: ...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 12 1 1 Cooling Operation Time Diagram For CS C9MK CU C9MK and CS C12MK CU C12MK ...

Page 46: ...46 12 1 2 Cooling Operation Time Diagram For CS C18MK CU C18MK CS C24MK CU C24MK and CS C28MK CU C28MK ...

Page 47: ...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 48: ...48 12 2 2 Soft Dry Operation Time Diagram For CS C18MK CU C18MK CS C24MK CU C24MK and CS C28MK CU C28MK ...

Page 49: ...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 50: ...1050 1050 1310 QLo 960 960 1160 12 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 C9MK and CS C12MK o Fan speed rotates in the range of Hi Me and Lo For CS C18MK CS C24MK and CS C28MK o Deodorizing Control will be activated For CS C9MK and CS C12MK SH...

Page 51: ... 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 compressor turned off ...

Page 52: ... There is only one speed for outdoor fan motor Applicable for CU C9MK CU C12MK and CU C18MK 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 C24MK and CU C28MK For Cooling and Soft Dry operation when outdoor temperature reaches to 31 C Hi speed 29 C Lo speed Applicable for CU C24MK and CU C28MK When air conditio...

Page 53: ... 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 C9MK and CS C12MK For CS C18MK CS C24MK and CS C28MK Closing position 135 Lower limit for cooling mode and soft dry mode Horizontal 11 16 27 21 33 Upper limit for cooling ...

Page 54: ... C9MK and CS C12MK For CS C18MK CS C24MK and CS C28MK 12 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 ...

Page 55: ...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 12 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 56: ...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 12 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 57: ... ion button is pressed o When OFF Timer activates To disable the Patrol Operation during unit starts default with OFF ON button o Press Set button continuously for 15 seconds by using pointer during Air Conditioner is OFF condition to enter internal setting mode o Press Timer Decrement button to select Pt dFLt o Press Timer Set button to toggle Patrol operation default OFF ON Long beep Turn OFF Pa...

Page 58: ...er Set button LCD returned to original display after 2 seconds 4 LCD returned to original display if remote control does not operate for 30 seconds e ion Control o e ion operation starts condition When dirtiness at level 2 Patrol LED turns red 2 minutes after stabilization time Patrol LED turns red 4 hours at level 0 Patrol LED turns red o e ion operation time If dirtiness level improves from leve...

Page 59: ...king OFF 4 During E ion breakdown error OFF OFF OFF Blinking Blinking 5 During Test Mode OFF OFF OFF OFF OFF 6 During stop OFF OFF OFF OFF OFF 7 2 minutes gas sensor initial stabilization time Level 0 ON OFF OFF OFF OFF a Dirtiness level 0 ON OFF OFF OFF OFF b Dirtiness level 1 OFF ON OFF OFF OFF c Dirtiness level 1 OFF ON OFF ON OFF 8 During operation During patrol d Dirtiness level 2 OFF OFF ON ...

Page 60: ...o mode SET SET Transmit Patrol default OFF ON code Buzzer OFF Long Beep ON Short Beep Press continously for 15s SET Transmit Patrol demo code Buzzer OFF Long Beep ON Short Beep SET Transmit ECO demo code Buzzer OFF Long Beep ON Short Beep SET Transmit check code Buzzer Short Beep o The Patrol indicator change color every 10 seconds follows the pattern below for demo purpose BLUE 10 seconds 10 seco...

Page 61: ...r e ion operation switches from SHi to Hi after 4 hours of operation Airflow direction control o During any operation mode combines with e ion operation airflow direction follows respective operation mode o During e ion individual operation only Auto Air Swing is allowed Even if Air Swing button is pressed no signal is sent to air conditioner and no change on LCD display Timer control o When ON ti...

Page 62: ...ing pointer to enter internal setting mode Press Timer Decrement button to select CHC Confirm setting by pressing Timer Set button a beep sound will be heard SET SET Transmit Patrol default OFF ON code Buzzer OFF Long Beep ON Short Beep Press continously for 15s SET Transmit Patrol demo code Buzzer OFF Long Beep ON Short Beep SET Transmit ECO demo code Buzzer OFF Long Beep ON Short Beep SET Transm...

Page 63: ...ill shows immediately despite the 24 times counter Troubleshooting Method Press PATROL e ion button or OFF ON button to stop the operation and check the Active e ion Air Purifying system main connector to PCB After that press e ion button again to confirm the e ion indicator not blinking The 24 times counter will be clear after 10 minutes of normal operation or when operation stops Error Reset Met...

Page 64: ...it 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 ECO NAVI start condition o When ECO NAVI button is pressed ECO NAVI stop conditions o When ECO NAVI button is pressed again o When unit is OFF by OFF ON button o When unit is OFF when OFF TIMER activates o When unit is OFF by AUTO OFF ON butt...

Page 65: ...s o Non Living Area near windows wall etc 12 15 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 12 15 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 Posit...

Page 66: ...r Activity level 60 seconds Lower Activity level 30 seconds Cooling 2 levels Higher Activity level 60 seconds Lower Activity level 8 seconds 1 level Higher Activity level 8 seconds Lower Activity level 30 seconds Heating 2 levels Higher Activity level 8 seconds Lower Activity level 60 seconds When 3 activity areas have been detected according to Human Activity Level the timing of horizontal airflo...

Page 67: ...eration 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 68: ...reset o When abnormality counter reached 4 times No TIMER indicator blinking When error code happened the unit is able to operate without AUTO COMF ECO NAVI 12 15 11 Infrared Sensor Check Mode To enable Infrared sensor abnormality check mode During ECO NAVI AUTO COMF is ON when CHECK signal received if either sensors has abnormality the 4 times abnormality counter is ignored ECO NAVI Indicator wil...

Page 69: ...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 13 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 70: ...lay Safety Control will be applied in this control if the recovery time is too short 13 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 71: ...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 72: ...eration i Press Auto OFF ON button to toggle 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 a...

Page 73: ...elect sensitivity 1 Low sensitivity 2 Standard Default 3 Hi sensitivity o Confirm setting by pressing Timer Set button a beep sound will be heard LCD returns to original display after 2 seconds o LCD returns to original display if remote control does not operate for 30 seconds 14 2 2 RESET To clear and restore the remote control setting to factory default o Press once to clear the memory 14 2 3 TI...

Page 74: ...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 75: ...t of pressure electric current and temperature fifteen minutes after an operation is started 15 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 76: ...apacitor has discharged sufficiently before proceeding with repair work Failure to heed this caution may result in electric shocks 16 1 CS C9MKV CS C12MKV 16 1 1 Indoor Electronic Controllers Cross Flow Fan and Indoor Fan Motor Removal Procedures 16 1 1 1 To remove front grille Figure 1 16 1 1 2 To remove power electronic controller Figure 2 ...

Page 77: ...77 Figure 3 Figure 4 16 1 1 3 To remove discharge grille Figure 5 ...

Page 78: ...78 16 1 1 4 To remove control board Figure 6 16 1 1 5 To remove cross flow fan and indoor fan motor Figure 7 Figure 8 ...

Page 79: ...79 Figure 9 Figure 10 ...

Page 80: ...charged sufficiently before proceeding with repair work Failure to heed this caution may result in electric shocks 16 2 CS C18MKV CS C24MKV 16 2 1 Indoor Electronic Controllers Cross Flow Fan and Indoor Fan Motor Removal Procedures 16 2 1 1 To remove front grille Figure 11 16 2 1 2 To remove horizontal vane Figure 12 ...

Page 81: ...81 16 2 1 3 To remove power electronic controller Figure 13 Figure 14 Figure1 5 ...

Page 82: ...82 16 2 1 4 To remove discharge grille Figure 16 16 2 1 5 To remove control board Figure 17 16 2 1 6 To remove cross flow fan and indoor fan motor Figure 18 ...

Page 83: ...83 Figure 19 Figure 20 Figure 21 ...

Page 84: ...s discharged sufficiently before proceeding with repair work Failure to heed this caution may result in electric shocks 16 3 CS C28MKV 16 3 1 Indoor Electronic Controllers Cross Flow Fan and Indoor Fan Motor Removal Procedures 16 3 1 1 To remove front grille Figure 22 16 3 1 2 To remove horizontal vane Figure 23 ...

Page 85: ...85 16 3 1 3 To remove power electronic controller Figure 24 Figure 8 Figure 9 ...

Page 86: ...86 16 3 1 4 To remove discharge grille Figure 27 16 3 1 5 To remove control board Figure 28 16 3 1 6 To remove cross flow fan and indoor fan motor Figure 29 ...

Page 87: ...87 Figure 30 Figure 31 Figure 32 ...

Page 88: ...88 17 Technical Data 17 1 Thermostat Characteristics Cooling Soft Dry ...

Page 89: ... 32 33 34 35 36 37 38 39 40 Outdoor Air Temperature C Outlet Air Tempeature C 220 2 400 2 500 2 600 2 700 2 800 2 900 30 31 32 33 34 35 36 37 38 39 40 Outdoor Air Temperature C Cooling Capacity kW 3 600 3 700 3 800 3 900 4 000 4 100 4 200 30 31 32 33 34 35 36 37 38 39 40 Outdoor Air Temperature C Current A 0 530 0 540 0 550 0 560 0 570 30 31 32 33 34 35 36 37 38 39 40 Outdoor Air Temperature C Gas...

Page 90: ...40 2 660 2 680 2 700 3 4 5 6 7 8 9 10 Piping Length m Cooling Capacity kW 3 800 3 850 3 900 3 950 4 000 3 4 5 6 7 8 9 10 Piping Length m Current A 0 540 0 545 0 550 0 555 0 560 0 565 0 570 3 4 5 6 7 8 9 10 Piping Length m Gas Side Piping Pressure MPa 15 400 15 450 15 500 15 550 15 600 3 4 5 6 7 8 9 10 Piping Length m Outlet Air Temperature C 220 ...

Page 91: ...4 35 36 37 38 39 40 Outdoor Air Temperature C Outlet Air Tempeature C 220 3 300 3 400 3 500 3 600 3 700 3 800 3 900 30 31 32 33 34 35 36 37 38 39 40 Outdoor Air Temperature C Cooling Capacity kW 4 900 5 100 5 300 5 500 5 700 30 31 32 33 34 35 36 37 38 39 40 Outdoor Air Temperature C Current A 0 520 0 530 0 540 0 550 0 560 30 31 32 33 34 35 36 37 38 39 40 Outdoor Air Temperature C Gas Side Piping P...

Page 92: ...1 12 13 14 15 Piping Length m Cooling Capacity kW 5 200 5 250 5 300 5 350 5 400 5 450 3 4 5 6 7 8 9 10 11 12 13 14 15 Piping Length m Current A 0 530 0 535 0 540 0 545 0 550 0 555 0 560 3 4 5 6 7 8 9 10 11 12 13 14 15 Piping Length m Gas Side Piping Pressure MPa 14 500 14 550 14 600 14 650 14 700 3 4 5 6 7 8 9 10 11 12 13 14 15 Piping Length m Outlet Air Temperature C 220 ...

Page 93: ...38 39 40 Outdoor Air Temperature C Outlet Air Tempeature C 220 4 900 5 100 5 300 5 500 5 700 30 31 32 33 34 35 36 37 38 39 40 Outdoor Air Temperature C Cooling Capacity kW 7 400 7 600 7 800 8 000 8 200 8 400 8 600 30 31 32 33 34 35 36 37 38 39 40 Outdoor Air Temperature C Current A 0 450 0 460 0 470 0 480 0 490 30 31 32 33 34 35 36 37 38 39 40 Outdoor Air Temperature C Gas Side Piping Pressure MPa...

Page 94: ... 11 13 15 17 19 21 23 25 Piping Length m Cooling Capacity kW 7 400 7 600 7 800 8 000 8 200 3 5 7 9 11 13 15 17 19 21 23 25 Piping Length m Current A 0 410 0 430 0 450 0 470 0 490 3 5 7 9 11 13 15 17 19 21 23 25 Piping Length m Gas Side Piping Pressure MPa 15 300 15 500 15 700 15 900 16 100 3 5 7 9 11 13 15 17 19 21 23 25 Piping Length m Outlet Air Temperature C 220 ...

Page 95: ... 37 38 39 40 Outdoor Air Temperature C Outlet Air Tempeature C 220 6 500 6 700 6 900 7 100 7 300 7 500 7 700 30 31 32 33 34 35 36 37 38 39 40 Outdoor Air Temperature C Cooling Capacity kW 11 100 11 600 12 100 12 600 13 100 30 31 32 33 34 35 36 37 38 39 40 Outdoor Air Temperature C Current A 0 370 0 380 0 390 0 400 0 410 30 31 32 33 34 35 36 37 38 39 40 Outdoor Air Temperature C Gas Side Piping Pre...

Page 96: ...19 21 23 25 Piping Length m Cooling Capacity kW 11 100 11 300 11 500 11 700 11 900 12 100 12 300 3 5 7 9 11 13 15 17 19 21 23 25 Piping Length m Current A 0 330 0 350 0 370 0 390 0 410 3 5 7 9 11 13 15 17 19 21 23 25 Piping Length m Gas Side Piping Pressure MPa 13 000 13 200 13 400 13 600 13 800 14 000 3 5 7 9 11 13 15 17 19 21 23 25 Piping Length m Outlet Air Temperature C 220 ...

Page 97: ... 38 39 40 Outdoor Air Temperature C Outlet Air Tempeature C 220 7 800 8 000 8 200 8 400 8 600 8 800 9 000 30 31 32 33 34 35 36 37 38 39 40 Outdoor Air Temperature C Cooling Capacity kW 14 700 15 200 15 700 16 200 16 700 17 200 30 31 32 33 34 35 36 37 38 39 40 Outdoor Air Temperature C Current A 0 390 0 400 0 410 0 420 0 430 30 31 32 33 34 35 36 37 38 39 40 Outdoor Air Temperature C Gas Side Piping...

Page 98: ... 23 25 27 29 31 Piping Length m Cooling Capacity kW 14 300 14 800 15 300 15 800 16 300 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 Piping Length m Current A 0 330 0 350 0 370 0 390 0 410 0 430 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 Piping Length m Gas Side Piping Pressure MPa 14 800 15 000 15 200 15 400 15 600 15 800 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 Piping Length m Outlet Air Temperature C ...

Page 99: ...ew and Replacement Parts List 18 1 Indoor Unit 18 1 1 CS C9MKV CS C12MKV 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: ... 1 CWA50C2758 O 23 ELECTRONIC CONTROLLER ECO SENSOR L 1 CWA745791 O 23a ELECTRONIC CONTROLLER ECO SENSOR R 1 CWA746206 24 ELECTRONIC CONTROLLER COMPARATOR 1 CWA746205 O 25 LEAD WIRE PCB ECO 1 CWA67C9160 26 CONTROL BOARD CASING FOR PCB ECO 1 CWD93C1108 28 DISCHARGE GRILLE COMPLETE 1 CWE20C3123 29 VERTICAL VANE 11 CWE241350 30 CONNECTING BAR 1 CWE261152 31 CONNECTING BAR 1 CWE261215 32 CONNECTING BA...

Page 101: ...614661 52 INSTALLATION INSTRUCTION 1 CWF614662 54 COVER FOR RECEIVER UPPER 1 CWD933022 55 COVER FOR RECEIVER BOTTOM 1 CWD933209 56 P S CORD CO 1 CWA20C2827 Note All parts are supplied from PHAAM Malaysia Vendor Code 00029488 O marked parts are recommended to be kept in stock ...

Page 102: ...102 18 1 2 CS C18MKV CS C24MKV CS C28MKV 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: ...CATOR HOLDER 1 CWD933021 23 SENSOR COMPLETE 1 CWA50C2401 CWA50C2782 O 24 SENSOR COMPLETE ECO 1 CWA50C2759 O 25 ELECTRONIC CONTROLLER ECO SENSOR L 1 CWA745791 O 25a ELECTRONIC CONTROLLER ECO SENSOR R 1 CWA746206 26 ELECTRONIC CONTROLLER COMPARATOR 1 CWA746205 O 27 LEAD WIRE PCB ECO 1 CWA67C9218 28 CONTROL BOARD CASING FOR PCB ECO 1 CWD93C1108 30 DISCHARGE GRILLE COMPLETE 1 CWE20C3124 31 VERTICAL VA...

Page 104: ...CWH621103 54 OPERATING INSTRUCTION 1 CWF567834 55 INSTALLATION INSTRUCTION 1 CWF614661 56 INSTALLATION INSTRUCTION 1 CWF614662 58 POWER SUPPLY CORD COMPLETE 1 CWA20C2829 CWA20C2836 Note All parts are supplied from PHAAM Malaysia Vendor Code 00029488 O marked parts are recommended to be kept in stock ...

Page 105: ...105 18 2 Outdoor Unit 18 2 1 CU C9MKV 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: ...106 18 2 2 CU C12MKV 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 107: ...21362 O 17 3 WAY VALVE GAS 1 CWB011257 CWB011148 O 18 OVERLOAD PROTECTOR WITH WIRE 1 CWA67C5701 CWA67C7548 19 HOLDER O L P 1 CWH7041200 20 TERMINAL COVER 1 CWH171011 21 NUT TERMINAL COVER 1 CWH7080300J 22 SOUND PROOF BOARD 1 CWH151074 CWH151022 23 TERMINAL BOARD ASS Y 1 CWA28K1064J 24 CAPACITOR COM 1 DS371156CPNA CWA312076 O 25 HOLDER CAPACITOR 1 CWH301038 CWH30057 26 CAPACITOR F M 1 DS441205NPQA ...

Page 108: ...108 18 2 3 CU C18MKV 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 109: ...036 17 2 WAY VALVE LIQUID 1 CWB021175 O 18 3 WAY VALVE GAS 1 CWB011483 O 19 TERMINAL COVER 1 CWH171011 20 NUT TERMINAL COVER 1 CWH7080300J 21 SOUND PROOF BOARD 1 CWH151051 22 TERMINAL BOARD ASS Y 1 CWA28K1064J 23 CAPACITOR COM 1 CWA312078 O 24 HOLDER CAPACITOR 1 CWH30060 25 CAPACITOR F M 1 DS441355NPQA O 26 CABINET SIDE PLATE 1 CWE041255A 27 CABINET SIDE PLATE COMPLETE 1 CWE04C1123 28 CABINET FRON...

Page 110: ...110 18 2 4 CU C24MKV 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 111: ...111 18 2 5 CU C28MKV 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: ...6 24 TERMINAL BOARD ASS Y 1 CWA28K1064J CWA28K224J 25 TERMINAL BOARD ASS Y 1 CWA28K1091J 26 CAPACITOR COM 1 CWA312088 DS441606CPNA O 27 HOLDER CAPACITOR 1 CWH301055 28 CAPACITOR F M 1 DS441355NPQA 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 ...

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