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Panasonic CS-PC12DKV, Service Manual, Page: 5 / 55

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Panasonic CS-PC12DKV Service Manual Download Page 5

Outdoor Unit

5

Panasonic

Anti-reverse Protection

To protect the compressor from reverse

rotation when power off suddenly.

Overload Protector

The 2-step Overload Protector is to protect

the compressor when

1)Temperature of compressor reaches 165

2)High temperature or current enters into the

compressor

60-seconds Test Operation Control

Once the compressor is activated, it
does not stop for 60 seconds. It stops
immediately with remote control
ON/OFF button.

CS-PC9DKV / CU-PC9DKV / CS-PC12DKV / CU-PC12DKV

Summary of Contents for CS-PC12DKV

Page 1: ...n by anyone else could result in serious injury or death 1 Features 2 2 Functions 3 3 Product Specifications 6 4 Dimensions 10 5 Refrigeration Cycle Diagram 12 6 Block Diagram 13 7 Wiring Diagram 14 8 Operation Details 15 9 Installation 25 10 2 way 3 way Valve 11 Disassembly of The Parts 12 Troubleshooting Guide 13 Technical Data 14 Exploded View 15 Replacement Parts List 16 Exploded View 17 Repla...

Page 2: ...iency Air Quality Indicator Comfort Environment Air filter with function to reduce dust and smoke Auto Restart Control Automatically restart after power failure 12 hour Timer Setting CS PC9DKV CU PC9DKV CS PC12DKV CU PC12DKV ...

Page 3: ...perature Setting 16 to 30 Auto Operation Timer Operation Selection Stop Start Operation Control set the ON OFF Timer hourly later Set Cancel Timer Operation Set timer Cancel the set timer 2 Functions Remote Control 3 OFF ON MODE FAN SPEED AIR SWING TEMP TIMER OFF ON TIMER SET CANCEL OFF MODE TEMP OFF ON ON CANCEL SET STD TIMER FANSPEED AIRSWING Turn on off the air conditionor When stop the operati...

Page 4: ...ol The unit will restart operation in 3 4 minutes after each pause 7 Minutes Time Save Control 7 minutes automatic restarting at Cooling Operation National 4 Keep pressing this button for 15seconds to start or end the Demonstration Mode Auto Switch Button Air quality Green Orange Red Anti freezing Control for the Evaporator Cooling or Soft Dry Operation High Med Low Auto Fan Speed Indoor Fan Speed...

Page 5: ...tep Overload Protector is to protect the compressor when 1 Temperature of compressor reaches 165 2 High temperature or current enters into the compressor 60 seconds Test Operation Control Once the compressor is activated it does not stop for 60 seconds It stops immediately with remote control ON OFF button CS PC9DKV CU PC9DKV CS PC12DKV CU PC12DKV ...

Page 6: ...Depth Type Motor Type Rated Output Type Motor Type Fan Speed Low Med High Rated Output Input Inch inch Inch inch mm m mm mm mm kg W W W rpm CS PC9DKV CU PC9DKV 2 50 2 50 1 4 Single 220 230 60 SIDE VIEW TOP VIEW 6 2 7 0 8 1 High49 High36 Low30 830 840 4 00 3 90 3 01 2 98 19 0 G half union3 8 L half union1 4 G gas side3 8 L liquid side1 4 G 3 way valve3 8 L 2 way valve1 4 G gas side3 8 L liquid side...

Page 7: ... c c g mm L min mm F V F V Evaporator copper slot type Plate fin configuration forced draft 2 x12 1 x 24 Condenser copper Corrugation type 18 610x168x25 4 Electronic Control P P Honeycomb 17 575 8x504x12 7 Capillary Tube SUNISO 4GDID or ATMOS M60 M56 430 O L P 25A 230V Capillary F 30 370V F 2 0 400V F 1 5 400V Dimensions Rows Stage 630 20 11 7 0 2 1 5 Specifications are subject to change without n...

Page 8: ...t Width Depth Type Motor Type Rated Output Type Motor Type Fan Speed Low Med High Rated Output Input Inch inch Inch inch mm m mm mm mm kg W W W rpm CS PC12DKV CU PC12DKV 3 50 3 50 2 1 Single 220 230 6 0 SIDE VIEW TOP VIEW 8 1 9 2 10 1 High49 High39 Low33 1210 1220 5 60 5 40 2 89 2 87 25 0 G half union1 2 L half union1 4 G gas side1 2 L liquid side1 4 G 3 way valve1 2 L 2 way valve1 4 G gas side1 2...

Page 9: ...c c g mm L min mm F V F V Evaporator copper slot type Plate fin configuration forced draft 2 x 12 2 x 24 Condenser copper Corrugation type 21 610x252x25 4 Electronic Control P P Honeycomb 17 Capillary Tube SUNISO 4GDID or ATMOS M60 M56 850 O L P 30A 230V Capillary F 30 370V F 2 0 440V F 1 5 400V Dimensions Rows Stage 630 20 11 7 0 2 1 5 Specifications are subject to change without notice for furth...

Page 10: ... View Drain Port 770 Air intake 250 49 61 5 Side view 205 Air outlet Left Piping Hole Right Piping Hole 79 OFF MODE TEMP OFF ON ON CANCEL SET STD TIMER FANSPEED AIRSWING 125 16 5 56 B D D 229 118 8 6 15 5 20 26 5 382 452 109 2 144 2 680 6 15 5 20 26 5 Unit mm E B C B 10 CS PC9DKV CS PC12DKV CS PC9DKV CU PC9DKV CS PC12DKV CU PC12DKV ...

Page 11: ... 650 61 6 10cm 100cm Required space for installation Front View Side View Top View Unit mm 123 8 62 2 61 6 88 88 650 668 250 230 530 55 8 293 Air intake Air outlet CU PC12DKV 10cm 11 CS PC9DKV CU PC9DKV CS PC12DKV CU PC12DKV ...

Page 12: ... PC9DKV CS CU PC12DKV 5 Refrigeration Cycle Diagram INTAKE AIR SENSOR INTAKE AIR SENSOR PIPING SENSOR PIPING SENSOR PIPING SENSOR PIPING SENSOR AIR QUALITY SENSOR 12 CS PC9DKV CU PC9DKV CS PC12DKV CU PC12DKV ...

Page 13: ...R201 SC FUSE RY PWR F M Compressor CS PC9DKV CU PC9DKV CS PC12DKV CU PC12DKV Receiver Remote Control Sensor Indicator 13 POWER SUPPLY AC220V 230V 60Hz CS PC9DKV CU PC9DKV CS PC12DKV CU PC12DKV 6 Block Diagram ...

Page 14: ...ER SUPPLY CORD POWER SUPPLY CORD INDOOR UNIT TERMINAL BOARD OUTDOOR UNIT TERMINAL BOARD INDOOR UNIT COMPRESSOR TERMINAL YELLOW RED S BLUE R C TRADE MARK R RED BL BLACK B BLUE BR BROWN O ORANGE GRY GREY G GREEN Y YELLOW W WHITE Y G YELLOW GREEN P PINK C R C S INDOOR FAN MOTOR RESISTANCE CONNECTING Y B M Y R A CS PC9DKV CS PC12DKV CWA921310 395 240 CWA951427 Y B Y R CWA951427 OUTDOOR FAN MOTOR RESIS...

Page 15: ...ti Freezing Control If temperature of evaporator is lower than 2 continuously for 4 minutes the compressor will cease to prevent the evaporator from freezing Fan speed setting will not be changed When temperature of evaporator reaches 10 compressor will restart During Cooling Mode Operation the Time Delay Safety Control is available Indoor Fan STOP Slow Slow STOP STOP Slow Slow STOP ON Compressor ...

Page 16: ...mperature reaches the set temp on remote control and then Soft Dry will be activated During Soft Dry Mode the fan of indoor unit will operate at super low speed The soft dry mode will run for less than 10 minutes Once Soft Dry mode operation is turned off indoor fan compressor and outdoor fan will stop for 6 minutes COOLING OFF DRY ON DRY OFF DRY COOLING COOLING ON DRY ON 1 5 1 0 DRY OFF Operation...

Page 17: ...tdoor Fan Operation Indicator 6 6 6 1 6 1 1 4 Operation status Time Operate Stop Cooling mode operation Soft Dry Mode operation Super Low Super Low Super Low Super Low Low 1 5 Cooling mode operation activated Intake Air temp 1 0 Cooling mode operation stopped Soft mode operation activated Soft dry mode operation stop Cooling Mode Operation Soft Dry Mode Operation Soft Dry Mode Operation Stopped Co...

Page 18: ...ration includes cooling mode operation If automatic mode operation is started while the unit is operating operation will continue If current operation is in cooling mode including the cooling mode operation when is a part of Soft Dry mode operation it will be maintained and if current operation is not cooling mode the appropriate operation mode is determined for 25seconds at super slow fan speed T...

Page 19: ...air quality sensor is always on during the operation of the air conditioner When the air conditioner stops The air conditioner is on standby the air conditioner will provide power to the air quality sensor intermittently It will be on for 3 minutes after each 109 minutes for the purpose of air quality detecting Within 2 minutes after the air conditioner starts to operate the air quality sensor is ...

Page 20: ...vel 2 Red 0 1 2 G1 0 85 G2 0 60 Set the sensitivity number of the air quality sensor as 2 Standard A i r q u a l i t y becomes better A i r q u a l i t y becomes worse Detecting of air quality When the air conditioner is on standby a After the air conditioner stops operation it will provides power to the air quality sensor intermittently to detect the air quality and update the resistance referenc...

Page 21: ...ivity control m ode 2 The previous sensitivity setting will be displayed in the temperature display 3 Press or button on the remote control to change the sensitivity 0 Turn off the air quality indicator 1 Low Sensitivity 2 Standard Sensitivity 3 High Sensitivity G1 0 70 G2 0 45 G3 0 48 G4 0 73 G1 0 85 G2 0 60 G3 0 63 G4 0 88 G1 0 90 G2 0 65 G3 0 68 G4 0 93 Within 10 seconds after the sensitivity s...

Page 22: ... ON OFF 5 seconds 5 seconds 5 seconds 5 seconds 5 seconds 5 seconds 5 seconds Red Orange green Orange Green Orange Red 10 seconds 20 seconds 8 7 Ventilator Interlocking Unit Control Optional Purpose The air conditioner will control the operation of the ventilator optional according to the signal of the air quality sensor when displaying the air quality To use this function a ventilator and a venti...

Page 23: ...r unit the display of the remote control will not correspond with the actual ON OFF status of the indoor unit 23 8 9 Indoor Fan Motor Control Automatic fan speed control When automatic fan speed set the available range for fan speed is from Hi to Slo Basic Fan Speed Cooling Mode Operation Soft Dry Operation Manual Auto Category Hi Me Lo Lo Manual Auto Manual Fan Speed Control Basic fan speed can b...

Page 24: ... Angles Of Airflow Direction Louver Notes In cooling or soft dry mode operation If the compressor continues to operate for 60 minutes and the louver direction is at No 5 the fan speed is below Med the intake air temperature is below 29 and continues to change between 2 for 30 minutes the louver direction will be at No 2 in order to prevent dew around the discharge vent When the airflow direction s...

Page 25: ...or fire 3 Use the attached accessories parts and specified parts for installation Otherwise it will cause the set to fall water leakage fire or electrical shock 4 Install at a strong and firm location which is able to withstand the set s weight If the strength is not enough or installation is not properly done the set will drop and cause injury 5 For electrical work follow the local national wirin...

Page 26: ...ere there is ease for access for the power disconnection in case of emergency In some countries permanent connection of this room air conditioner to the power supply is prohibited 1 Power supply connection to the receptacle using a power plug Use an approved 10A power plug with earth pin for the connection to the socket 2 Power supply connection to a circuit breaker for the permanent connection Us...

Page 27: ...AIR SWIN G MOD E TEM P OFF ON TIM ER ON SET AIR SWIN G OFF CAN CEL FAN SPE ED AUT O COO L DRY FAN OFF STD Model PC9DKV PC12DKV Piping size Max Piping Length m 7 7 Max Elevation m 5 5 Additional Refrigerant g m Gas 3 8 1 2 Liquid 1 4 1 4 Indoor Outdoor Unit Installation Diagram About 1 1 m Piping direction Attention not to bend up drain hose Length of power supply cord Right Right Bottom Right Rear...

Page 28: ...ing plate hole with ø70 mm hole core drill Line according to the arrows marked on the lower left and right side of the installation plate The meeting point of the extended line is the centre of the hole Another method is by putting measuring tape at position as shown in the diagram above The hole centre is obtained by measuring the distance namely 105 mm and 145 mm for left and right hole respecti...

Page 29: ...CS PC9DKV CU PC9DKV CS PC12DKV CU PC12DKV 29 ...

Page 30: ... or heavier cord Ensure the color of wires of outdoor unit and the terminal Nos are the same to the indoor s respectively Earth lead wire shall be longer than the other lead wires as shown in the figure for the electrical safety in case of the slipping out of the cord from the anchorage Secure the cable onto the control board with the holder clamper 30 L N Terminals on the indoor unit 1 L 2 N Colo...

Page 31: ... to indicate the ON OF changed over of remote control receiving sound 9 3 OUTDOOR UNIT 9 3 1 SELECT THE BEST LOCATION Refer to Select the best location section 9 3 2 INSTALL THE OUTDOOR UNIT After selecting the best location start 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...

Page 32: ...air approximately ten minutes 4 Close the Low side valve of the charging set and turn off the vacuum pump Make sure that the needle in the gauge does not move after approximately five minutes Note BE SURE TO FOLLOW THIS PROCEDURE IN ORDER TO AVOID REFRIGERANT 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...

Page 33: ...stops 4 A Checking gas leakage for the left piping 9 3 6 CONNECT THE CABLE TO THE OUTDOOR UNIT 1 Remove the control board cover from the unit by loosening the screw 2 Connecting cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed 3 x 1 5 mm2 flexible cord type designation 245 IEC 57 or heavier cord 3 Secure the cable onto the control board with the holder clamper ...

Page 34: ...connections Has the heat insulation been carried out at flare nut connection Is the connecting cable being fixed to terminal board firmly Is the connecting cable being clamped firmly Is the drainage OK Refer to Check the drainage section Is the earth wire connection properly done Is the indoor unit properly hooked to the installation plate Is the power supply voltage complied with rated value Is t...

Page 35: ...r clockwise With cap Pumping down Transferring Closed Open Open Clockwise Counter clockwise Connected manifold gauge Evacuation Servicing Open Open Open With vacuum pump Charging Servicing Open Open Open With charging cylinder Pressure check Servicing Open Open Open Connected manifold gauge Gas releasing Servicing Open Open Open Connected manifold gauge 3 way Valve Gas Side With valve cap With val...

Page 36: ...ge moves from 0 cmHg 0 Mpa to 76 cmHg 0 1 Mpa Then evacuate the air for approximately 10 minutes 4 Close the valve of the Low side of the charging set and turn off the vacuum pump Make sure that the needle in the gauge does not move after approximately 5 minutes BE SURE TO TAKE THIS PROCEDURE IN ORDER TO AVOID GAS REFRIGERANT LEAKAGE 5 Disconnect the charging hose from the vacuum pump and from the...

Page 37: ...tly to purge air from the charge hose 5 Set the 2 way valve to the close position 6 Operate the air conditioner at the cooling cycle and stop it when the gauge indicates 2 G 0 1Mpa If the unit cannot be operated at the cooling mode operation weather is rather cold short the Pumping Down pins on the Main Control P C B 7 Immediately set 3 way valve to the closed position Do this quickly so that the ...

Page 38: ...T LEAKAGE 7 Tighten the service port caps of both the 3 way valve and the 2 way valve at a torque of 18 N m with a torque wrench 8 Remove the valve caps of both the valves Position both of the valves to using a hexagonal wrench 4 mm 9 Mount valve caps onto both the valves open 5 Disconnect the charging hose from the vacuum pump 38 Caution If gauge needle does not move from 0 cmHg 0 Mpa to 76cmHg 0...

Page 39: ... the refrigerant until the needle indicates 0 no refrigerant is remaining 4 5 Open the valve Low side on the charge set and discharge the refrigerant until the gauge indicates 0 05 MPa 0 5 kg cm G to 0 1 MPa 1 kg cm G 2 2 If there is no air in the refrigeration cycle the pressure when the air conditioner is not running is higher than 0 1 MPa 1 kg cm G discharge the refrigerant until the gauge indi...

Page 40: ...acuum of 4 mmHg or less 3 4 Vacuum oil If the vacuum pump oil becomes dirty or depleted replenish as needed Connect the vacuum pump to the charge set s centre hose Evacuation for approximately 1 hour Close the valve Low side on the charge set turn off the vacuum pump and confirm that the gauge needle does not move approximately 5 minutes after turning off the vacuum pump Disconnect the charge hose...

Page 41: ... be charged with the specified amount of refrigerant it can be charge with a little at a time approximately 150g each time while operating the air conditioner in the cooling cycle However one time is not sufficient wait approximately 1 minute and then repeat the procedure Pumping down pin 4 Immediately disconnect the charge hose from the 3 way valve s service port 5 Mount the valve stem nuts and t...

Page 42: ...he intake grille until it falls off Fig 2 Removal Procedure For Intake Grille 1 Remove the two caps at the discharge port right and left Fig 3 2 Release the two screws under the both caps Fig 4 Removal Procedure For Front Grille Cap Fixing Screw Fig 3 Fig 4 Fig 2 Fig 5 Front Grille 3 Pull out the front grille from the unit body Fig 5 Fig 1 Opener Opener ...

Page 43: ...onic Controller Fig 6 2 Release the lead wire CN FM CN FB CN AIR CN STM CN RCV CN DISP and earth wire Yellow Green Pull out the whole electronic controller Fig 7 Removal Procedure For the Discharge Grille 1 Separate the drain hose and the drain plate Fig 8 Fig 8 2 Pull out the discharge grille slightly Fig 9 Fig 9 CS PC9DKV CU CS CU PC9DKV PC12DKV PC12DKV ...

Page 44: ...o terminals using a screw driver to reset Resetting terminals Fig 14 1 Release the two fixing screws on the left side of the evaporator and lift up the evaporator slightly Fig 10 2 Loose the fixing screw of the cross flow fan Fig 11 Fig 10 Fig 11 Fixing Screw 3 After removing the bearing refer to fig 12 indoor fan can be taken out from the left side Bearing 4 Lift up the indoor fan slightly and th...

Page 45: ...ture Condition indoor fan speed high outdoor temperature 35 Cooling mode Difference in the intake and outlet air temperature More than 8 15 minutes afte an operation is started at the cooling mode Normal Measuring electric current during operation Measuring gas side pressure Value of electric current during operation Higher than specified Dusty heat exchanger preventing heat radiation Excessive am...

Page 46: ...iagnosis methods of a malfunction of a compressor Nature of fault Insufficient compressing of a compressor Locked compressor Symptom Electric current during operation becomes approximately 80 lower than the normal level The discharge tube of the compressor becomes abnormally hot normally 70 90 The difference between high pressure and low pressure becomes almost zero Electric current reaches a high...

Page 47: ...9DKV CU CS CU PC9DKV PC12DKV PC12DKV CS CU PC9DKV 30 32 34 36 38 40 42 44 220V 17 16 15 14 13 0 70 0 65 0 60 0 55 0 50 3 5 3 0 2 5 2 0 6 0 5 0 4 0 3 0 Cooling characteristics I Current A Q Cooling capacity kW LP Gas side piping pressure Mpa O Outlet air temp 30 32 34 36 38 40 42 44 17 16 15 14 13 0 70 0 65 0 60 0 55 0 50 4 0 3 5 3 0 6 0 5 7 5 5 5 3 I Current A Q Cooling capacity kW LP Gas side pip...

Page 48: ...C9DKV CS PC12DKV 34 1 3 36 2 26 33 15 18 24 9 31 32 28 25 30 32 31 29 10 12 7 11 22 20 27 21 17 14 19 23 4 6 5 OFF MODE TEMP OFF O N ON CANCEL SET STD TIMER FANSPEED AIR SWING 16 35 13 CS PC9DKV CU CS CU PC9DKV PC12DKV PC12DKV ...

Page 49: ...D S RECEIVER 1 CWA67C5490 CWA67C5490 20 INDICATOR COMPLETE 1 CWE39C1117 CWE39C1117 21 INDICATOR HOLDER BACK 1 CWD932447 CWD932447 22 INDICATOR PCB 1 CWA743603 CWA743603 23 CONNECTING LEAD INDICATOR 1 CWA67C5169 CWA67C5169 24 SENSOR COMPLETE 1 CWA50C2275 CWA50C2275 25 CONTROL BOARD FRONT COVER 1 CWH131175 CWH131175 26 CONTROL BOARD TOP COVER 1 CWH131176 CWH131176 27 REMOTE CONTROL 1 CWA75C2710 CWA7...

Page 50: ...16 Exploded View 50 CU PC9DKV CU PC12DKV 31 28 30 29 32 4 5 3 2 6 7 23 11 20 19 18 8 10 9 1 13 15 16 26 25 24 21 17 27 CS PC9DKV CU CS CU PC9DKV PC12DKV PC12DKV ...

Page 51: ...260 16 3 WAY VALVE 1 CWB011322 CWB011322 17 STRAINER 1 CWB111026 CWB111026 18 OVER LOAD PROTECTOR 1 CWA121199 CWA121199 19 TERMINAL COVER 1 CWH17006 CWH17006 20 NUT TERMINAL COVER 1 7080300J 7080300J 21 SOUND PROOF PANEL 1 CWH151080 CWH151080 23 TERMINAL BOARD ASS Y 1 CWA28K1105 CWA28K1105 24 CAPACITOR COMPRESSOR 1 F0GAG2560001J F0GAG2560001J 25 HOLDER CAPACITOR 1 CWH301037 CWH301037 26 CAPACITOR ...

Page 52: ...A B C D E 2 3 4 5 F CS PC9DKV CU CS CU PC9DKV PC12DKV PC12DKV 52 1 ...

Page 53: ... Way Valve AUTO Receiver Reset Air Quality Sensor Temp Sensor Timer Earth Indicator Power Outdoor Fan Drive Signal Indoor Fan Drive Signal Indoor Fan Motor Feedback Air Quality Indicator CS PC9DKV CU PC9DKV CS PC12DKV CU PC12DKV 53 ...

Page 54: ...30V 60HZ 14 11 12 13 O L P Fan Motor 1 3 Blue Capacitor Compressor Yellow Green Yellow Blue Red Capacitor Blue Yellow Blue Red Yellow 1 2 Terminal Board Outdoor Unit CS PC9DKV CU PC9DKV CS PC12DKV CU PC12DKV 54 ...

Page 55: ...55 CS PC9DKV CU PC9DKV CS PC12DKV CU PC12DKV ...

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