Panasonic CS-PC12KKF Service Manual Download Page 9

Page: 9 / 77

3 Features

•

Long Installation Piping

Long piping up to 15 meter (PC12KKF)

and

25 meter (PC18/24KKF).

•

Easy to use remote control

•

Quality Improvement

Random auto restart after power failure for safety restart
operation

- Gas leakage protection
- Prevent compressor reverse cycle
- Overload protector to protect Compressor
- Noise prevention during soft dry operation

Blue Coated Condenser for high resistance to corrosion

• Operation Improvement

- 24-hour timer setting

Summary of Contents for CS-PC12KKF

Page 1: ...of law Order No PHAAM1001027C3 Air Conditioner Indoor Unit Outdoor Unit CS PC12KKF CU PC12KKF CS PC18KKF CU PC18KKF CS PC24KKF CU PC24KKF TABLE OF CONTENTS PAGE PAGE 1 Safety Precautions 3 2 Specifications 5 3 Features 9 4 Location of Controls and Components 10 4 1 Indoor Unit 10 4 2 Outdoor Unit 10 ...

Page 2: ...Direction Control 40 12 7 Horizontal Airflow Direction Control 40 12 8 Timer Control 40 12 9 Random Auto Restart Control 41 12 10 Remote Control Signal Receiving Sound 41 13 Protection Control 42 13 1 Restart Control Time Delay Safety Control 42 13 2 7 Minutes Time Save Control 42 13 3 60 Seconds Forced Operation 42 13 4 Starting current Control 42 13 5 Freeze Preventive Control 42 13 6 Compressor...

Page 3: ...it capacity is not enough or defect found in electrical work it will cause electrical shock or fire 9 This equipment is strongly recommended to install with Earth Leakage Circuit Breaker ELCB or Residual Current Device RCD Otherwise it may cause electrical shock and fire in case equipment breakdown or insulation breakdown 10 Use the specified cable 1 5 mm2 and connect tightly for indoor outdoor co...

Page 4: ...ree 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 shall be the place where there is ease for access for the power disconnection in case of emergency In some countries permanent connection of this room air condi...

Page 5: ...linder rolling piston type Motor Type Induction 2 poles Output Power W 1 0k Indoor Fan Type Cross flow Fan Material ASG20K1 Motor Type DC Motor 4 poles Input Power W 36 37 Output Power W 18 Speed Lo rpm 800 Me rpm 940 Hi rpm 1100 SHi rpm Outdoor Fan Type Propeller Fan Material PP Resin Motor Type Induction 6 poles Input Power W 80 3 89 1 Output Power W 45 Speed Hi rpm 875 905 Moisture Removal L h ...

Page 6: ...ft 7 5 24 6 Length range min max m ft 3 15 9 8 49 2 I D O D Height different m ft 5 16 4 Additional Gas Amount g m oz ft 10 0 1 Length for Additional Gas m ft 7 5 24 6 Drain Hose Inner Diameter mm 16 Length mm 550 Indoor Heat Exchanger Fin Material Aluminium Pre Coat Fin Type Slit Fin Row Stage FPI 2 15 21 Size W H L mm 610 315 25 Outdoor Heat Exchanger Fin Material Aluminium Blue Coat Fin Type Co...

Page 7: ...Indoor Fan Type Cross flow Fan Cross flow Fan Material ASG20K1 ASG20K1 Motor Type DC Motor 4 poles DC Motor 8 poles Input Power W 94 8 94 8 94 8 94 8 Output Power W 40 40 Speed Lo rpm 1120 1120 1150 1150 Me rpm 1200 1200 1240 1240 Hi rpm 1280 1280 1390 1390 SHi rpm Outdoor Fan Type Propeller Fan Propeller Fan Material PP Resin PP Resin Motor Type Induction 6 poles Induction 6 poles Input Power W 8...

Page 8: ...D Height different m ft 20 65 6 20 65 6 Additional Gas Amount g m oz ft 20 0 2 30 0 3 Length for Additional Gas m ft 7 5 24 6 7 5 24 6 Drain Hose Inner Diameter mm 14 14 Length mm 550 550 Indoor Heat Exchanger Fin Material Aluminium Pre Coat Aluminium Pre Coat Fin Type Slit Fin Slit Fin Row Stage FPI 2 15 21 2 15 21 Size W H L mm 810 315 25 4 810 315 25 4 Outdoor Heat Exchanger Fin Material Alumin...

Page 9: ...uality Improvement Random auto restart after power failure for safety restart operation Gas leakage protection Prevent compressor reverse cycle Overload protector to protect Compressor Noise prevention during soft dry operation Blue Coated Condenser for high resistance to corrosion Operation Improvement 24 hour timer setting ...

Page 10: ...10 4 Location of Controls and Components 4 1 Indoor Unit 4 2 Outdoor Unit 4 3 Remote Control ...

Page 11: ...11 5 Dimensions 5 1 Indoor Unit 5 1 1 CS PC12KKF ...

Page 12: ...12 5 1 2 CS PC18KKF CS PC24KKF ...

Page 13: ...13 5 2 Outdoor Unit 5 2 1 CU PC12KKF CU PC18KKF ...

Page 14: ...14 5 2 2 CU PC24KKF ...

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

Page 16: ...16 7 Block Diagram 7 1 CS PC12KKF ...

Page 17: ...17 7 2 CS PC18KKF CS PC24KKF ...

Page 18: ...n Motor Windings Note Resistance at 25 C of ambient temperature Resistance of Compressor Windings Note Resistance at 20 C of ambient temperature MODEL CU PC12KKF CONNECTION CWA951676 BLUE YELLOW 198 Ω YELLOW RED 293 Ω MODEL CU PC12KKF CONNECTION 2KS210D5AA06 C R 2 279 Ω C S 3 526 Ω ...

Page 19: ...gs Note Resistance at 25 C of ambient temperature Resistance of Compressor Windings Note Resistance at 20 C of ambient temperature MODEL CU PC18KKF CONNECTION CWA951676 BLUE YELLOW 198 Ω YELLOW RED 293 Ω MODEL CU PC18KKF CONNECTION 2KS324D5AA06 C R 1 419 Ω C S 3 781 Ω ...

Page 20: ...Resistance at 25 C of ambient temperature Resistance of Compressor Windings Note Resistance at 20 C of ambient temperature MODEL CU PC24KKF CONNECTION CWA951689 BLUE YELLOW 64 Ω YELLOW ORANGE 90 Ω YELLOW RED 55 Ω MODEL CU PC24KKF CONNECTION 2JS438D3CB04 C R 1 121 Ω C S 2 535 Ω ...

Page 21: ...21 9 Electronic Circuit Diagram 9 1 CS PC12KKF ...

Page 22: ...22 9 2 CS PC18KKF CS PC24KKF ...

Page 23: ...23 10 Printed Circuit Board 10 1 Indoor Unit 10 1 1 Main Printed Circuit Board ...

Page 24: ...24 10 1 2 Power Printed Circuit Board 10 1 2 1 CS PC12KKF 10 1 2 2 CS PC18KKF CS PC24KKF ...

Page 25: ...25 10 2 Indicator Printed Circuit Board ...

Page 26: ...that heat radiation from the condenser is not obstructed There should not be any animal or plant which could be affected by hot air discharged Keep the spaces indicated by arrows from wall ceiling fence or other obstacles Do not place any obstacles which may cause a short circuit of the discharged air If piping length is over the piping length for additional gas additional refrigerant should be ad...

Page 27: ...piping plate hole with ø70 mm hole core drill 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 intersection point of arrow mark extension The meeting point of the extension arrow mark is the hole center position Drill the piping hole at either the right or the ...

Page 28: ...28 1 For the right rear piping 2 For the right and right bottom piping 3 For the embedded piping This can be used for left rear piping and bottom piping also ...

Page 29: ...d between isolating devices and terminal board of air conditioner shall be done by using approved socket and plug rated 15 16A 1 0 1 5HP or 16A 2 0HP or 20A 2 5HP Wiring work to both socket and plug must follow to national wiring standard 4 Bind all the power supply cord lead wire with tape and route the power supply cord via the left escapement 5 Connection cable between indoor unit and outdoor u...

Page 30: ...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 Green Y G in colour and longer than other AC wires as shown in the figure for the electrical safety in case of the slipping out of the cord from the anchorage 11 2 5 Wire Stripping And Connecting Requirement ...

Page 31: ...iping and sufficiently tighten the flare nut with fingers Further tighten the flare nut with torque wrench in specified torque as stated in the table Connecting The Piping To Outdoor Unit Decide piping length and then cut by using pipe cutter Remove burrs from cut edge Make flare after inserting the flare nut locate at valve onto the copper pipe Align center of piping to valves and then tighten wi...

Page 32: ...f 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 and the 3 way valve Be sure to check for gas leakage 11 3 4 Air Purging Of The Piping And Indoor The remaining air in the Refrigeration cycle which contains moisture may cause malfunction on the compressor 1 Remove the caps from the 2 way and 3 way valves 2 Re...

Page 33: ...Earth wire shall be Yellow 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 increa...

Page 34: ...om temperature reaches 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 running and restart as shown in figure below 12 1 1 Cooling Operation Time Diagram For PC12KKF ...

Page 35: ...ing temperature on the remote control When operation begins Soft Dry will be switched ON for a maximum 10 minutes then Soft Dry operation will be turned 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 ...

Page 36: ...36 12 2 1 Soft Dry Operation Time Diagram For PC12KKF 12 2 2 Soft Dry Operation Time Diagram For PC18KKF PC24KKF ...

Page 37: ... determined operation mode until it is switched off using remote control with the setting temperature as shown in table below The setting temperature for all the operations can be changed one level up or one level down from the standard temperature as shown in below table by pressing on the temperature up or temperature down button at remote control The operation mode judging temperature and stand...

Page 38: ...oor 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 stop indoor fan will operate at Lo for the beginning 3 minutes to prevent higher volume of refrigerant in liquid form returning to the compressor 5 After the compressor at turn off condition for 3 minutes indoo...

Page 39: ...utton at the remote control There are 3 types of fan speed settings Lo Me Hi 12 4 4 Indoor Fan Motor RPM Abnormal Control Immediate after the fan motor is started rpm abnormal control is performed once every second During fan motor on if fan motor feedback 2550 or 50 rpm continuously for 10 seconds the fan motor error counter increased fan motor is then stopped and restarted If the fan motor error...

Page 40: ...rizontal Airflow Direction Control The horizontal airflow direction louvers can be adjusted manually by hand 12 8 Timer Control 12 8 1 ON Timer When the ON Timer is set by using the remote control the unit will start to operate slightly before the set time so that the room will reach nearly to the set temperature by the set time For Cooling and Soft Dry operation the operation will start 15 minute...

Page 41: ...rate will be decided randomly using 4 parameters intake air temperature setting temperature fan speed and air swing louver position This Random Auto Restart Control is not available when Timer is set This control can be admitted by open the circuit of JX02 refer to printed circuit board indoor unit For PC18KKF and PC24KKF only 12 10 Remote Control Signal Receiving Sound Short beep sound will be he...

Page 42: ...ill not stop within 60 seconds in a normal operation although the intake air temperature has reached the thermo off temperature However force stop by pressing the OFF ON operation button at the remote control is permitted The reason for the compressor to force operate at minimum 60 seconds is to allow the refrigerant oil run in a full cycle and return back to the outdoor unit 13 4 Starting current...

Page 43: ... one of the following condition happen Unit is OFF by remote control or AUTO OFF ON button Indoor intake temperature indoor piping temperature 5 C for 1 minute or more Operation mode change The unit could be ON by pressing OFF ON button at remote control but the TIMER LED will continue blinking TIMER LED blinking will reset if Indoor intake temperature indoor piping temperature 5 C for 1 minute or...

Page 44: ... 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 indoo...

Page 45: ...tion of transmission code change 14 2 2 CLOCK BUTTON To change the remote control s time format Press for more than 5 seconds 14 2 3 RESET To clear and restore the remote control setting to factory default Press once to clear the memory 14 2 4 TIMER To change indoor unit indicator s LED intensity Press continuously for 5 seconds 14 2 5 TIMER To change remote control display from Degree Celsius C t...

Page 46: ...trical problems before inspecting the refrigeration cycle Such problems include insufficient insulation problem with the power source malfunction of a compressor and a fan The normal outlet air temperature and pressure of the refrigeration cycle depends on various conditions the standard values for them are shown in the table to the right ...

Page 47: ...logged capillary tube or Strainer Short circuit in the indoor unit Heat radiation deficiency of the outdoor unit Inefficient compression Nature of fault Symptom Electric current during operation becomes approximately 20 lower than the normal value Insufficient compressing of a compressor The discharge tube of the compressor becomes abnormally hot normally 70 to 90 C The difference between high pre...

Page 48: ...val Procedures 16 1 1 1 To remove Front Grille 16 1 1 2 To remove Power Electronic Controller WARNING High Voltage is generated in the electrical parts area by the capacitor Ensure that the capacitor has discharged sufficiently before proceeding with repair work Failure to heed this caution may result in electric shocks ...

Page 49: ...49 16 1 1 3 To remove Discharge Grille ...

Page 50: ...50 16 1 1 4 To remove Control Board 16 1 1 5 To remove Cross Flow Fan and Indoor Fan Motor ...

Page 51: ...51 ...

Page 52: ...52 16 2 CS PC18KKF CS PC24KKF 16 2 1 Indoor Electronic Controllers and Control Board Removal Procedures 16 2 1 1 To remove Front Grille 16 2 1 2 To remove Power Electronic Controller ...

Page 53: ...53 16 2 1 3 To remove Discharge Grille ...

Page 54: ...54 16 2 1 4 To remove Control Board 16 2 1 5 To remove Cross Flow Fan and Indoor Fan Motor ...

Page 55: ...55 ...

Page 56: ...56 17 Technical Data 17 1 Thermostat Characteristics Cooling Soft Dry ...

Page 57: ...57 17 2 Operation Characteristics 17 2 1 CS PC12KKF CU PC12KKF ...

Page 58: ...58 ...

Page 59: ...59 17 2 2 CS PC18KKF CU PC18KKF ...

Page 60: ...60 ...

Page 61: ...61 17 2 3 CS PC24KKF CU PC24KKF ...

Page 62: ...62 ...

Page 63: ...63 17 3 Fan Performance 17 4 Cooling Capacity Performance Data CS CU PC12KKF 220V ...

Page 64: ...64 CS CU PC12KKF 240V CS CU PC18KKF 220V ...

Page 65: ...65 CS CU PC18KKF 240V ...

Page 66: ...66 CS CU PC24KKF 220V ...

Page 67: ...67 CS CU PC24KKF 240V ...

Page 68: ...68 17 5 Sound Data CS PC18KKF ...

Page 69: ...69 CS PC24KKF ...

Page 70: ...d View and Replacement Parts List 18 1 Indoor Unit 18 1 1 CS PC12KKF 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 71: ... 1 CWH521096 19 HORIZONTAL VANE 1 CWE24C1268 20 BACK COVER CHASSIS 1 CWD933019 21 CONTROL BOARD CASING 1 CWH102370 22 TERMINAL BOARD COMPLETE 1 CWA28C2397 O 23 ELECTRONIC CONTROLLER MAIN 1 CWA73C4171 O 24 ELECTRONIC CONTROLLER POWER 1 CWA745284 O 25 ELECTRONIC CONTROLLER RECEIVER 1 CWA745300 O 26 INDICATOR HOLDER 1 CWD933021 27 SENSOR COMPLETE 1 CWA50C2401 O 28 CONTROL BOARD FRONT COVER 1 CWH13C11...

Page 72: ...72 18 1 2 CS PC18KKF CS PC24KKF 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 73: ... CONTROL BOARD TOP COVER 1 CWH131350 24 INDICATOR HOLDER 1 CWD933021 26 CONTROL BOARD FRONT COVER 1 CWH13C1183 27 DISCHARGE GRILLE COMPLETE 1 CWE20C3008 28 FULCRUM 2 CWH621103 29 VERTICAL VANE 15 CWE241289 30 CONNECTING BAR 1 CWE261156 31 CONNECTING BAR 1 CWE261158 32 CONNECTING BAR 1 CWE261167 33 CONNECTING BAR 1 CWE261159 34 CONNECTING BAR 1 CWE261160 37 A S MOTOR DC SINGLE 12V 300 OHM 1 CWA9812...

Page 74: ...74 18 2 Outdoor Unit 18 2 1 CU PC12KKF CU PC18KKF 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 75: ...14 CAPILLARY TUBE ASS Y 1 CWB15K1165 CWB15K1208 15 STRAINER 1 CWB111011 CWB11025 16 HOLDER COUPLING 1 CWH351023 CWH351046 17 2 WAY VALVE LIQUID 1 CWB021362 CWB021488 18 3 WAY VALVE GAS 1 CWB011482 O 21 TERMINAL COVER 1 CWH171012 O 22 NUT TERMINAL COVER 1 CWH7080300J 23 SOUND PROOF BOARD 1 CWH151023 24 TERMINAL BOARD ASS Y 1 CWA28K1064J CWA28K1033J 25 CAPACITOR COM 1 F0GAH356A001 DS441456CPND O 26 ...

Page 76: ...76 18 2 2 CU PC24KKF 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 77: ...SSOR MOUNT 3 CWH561049 13 CONDENSER 1 CWB32C2695 15 STRAINER 1 CWB11025 16 HOLDER COUPLING 1 CWH351036 17 2 WAY VALVE LIQUID 1 CWB021175 O 18 3 WAY VALVE GAS 1 CWB011484 O 21 TERMINAL COVER 1 CWH171012 22 NUT TERMINAL COVER 1 CWH7080300J 23 SOUND PROOF BOARD 1 CWH151056 24 TERMINAL BOARD ASS Y 1 CWA28K1064J 25 CAPACITOR COM 1 CWA312079 O 26 HOLDER CAPACITOR 1 CWH30060 27 CAPACITOR F M 1 DS441505NP...

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