Panasonic CU-PC9CKV Service Manual Download Page 36

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9 2-way, 3-way Valve

2-way Valve (Liquid Side)

3-way Valve (Gas Side)

Works

Shaft Position

Service Port

Shipping

Closed

(With valve cap)

(With cap)

Air purging (Installation and Re-

installation)

Open

Closed

Open

(Counter-clockwise)

(clockwise)

(Push-pin)

Operation

Open

Closed

(Counter-clockwise)

(With valve cap)

(With cap)

Pumping down

Closed

Open

(transfering)

(clockwise)

(counter-clockwise)

(Connected manifold

gauge)

Evacuation

Open

(Servicing)

With vacuum pump

Charging

Open

(servicing)

(With charging cylinder)

Pressure check

Open

(Servicing)

Open

(Connected manifold

gauge)

Gas releasing

Open

(Servicing)

Open

(Connected manifold

gauge)

CS-PC9CKV CU-PC9CKV / CS-PC12CKV CU-PC12CKV

Summary of Contents for CU-PC9CKV

Page 1: ...Air Conditioner Co Ltd GMAC All rights reserved Unauthorized copying and distribution is a violation of law CS PC9CKV CU PC9CKV CS PC12CKV CU PC12CKV 11 Trouble shooting guide 47 12 Technical Data 49...

Page 2: ...Speed Automatic Speed Airflow Direction Control Auto Airflow Direction Airflow Direction Manual Control Room Temperature Setting Temperature Setting 16 C to 30 C Auto Operation Timer Operation Selecti...

Page 3: ...tic restarting at Cooling Operation Cooling or Soft Dry Operation High Med Low Auto Fan Speed Automatic Airflow Direction Control The louver automatically swings up and down Airflow Direction Manual C...

Page 4: ...rature of compressor reaches 120 C 2 high temperature or current enters into the compressor Anti reverse Protection Overload Protector Once the compressor is activated it does not stop for 60 seconds...

Page 5: ...9 EER W W 3 0 2 98 Starting Current A 19 Piping Connection Port Flare piping Inch Inch G half union 3 8 L half union 1 4 G 3 way valve 3 8 L 2 way valve 1 4 Piping Size Flare piping Inch Inch G gas s...

Page 6: ...uration forced draft 2 12 1 20 FPI 18 18 Dimensions mm 610 252 25 4 568 8 508 22 Refrigerant Control Device Capillary Tube Refrigeration Oil c c SUNISO 4GDID or ATMOS M60 M56 Refrigerant R 22 g 530 Th...

Page 7: ...2 89 2 87 Starting Current A 25 Piping Connection Port Flare piping Inch Inch G half union 3 8 L half union 1 4 G 3 way valve 3 8 L 2 way valve 1 4 Piping Size Flare piping Inch Inch G gas side 3 8 L...

Page 8: ...ation forced draft 2 12 1 19 FPI 21 16 Dimensions mm 610 315 25 4 706 2 482 6 22 Refrigerant Control Device Capillary Tube Refrigeration Oil c c SUNISO 4GDID or ATMOS M60 M56 Refrigerant R 22 g 800 Th...

Page 9: ...3 Dimensions 9 CS PC9CKV CU PC9CKV CS PC12CKV CU PC12CKV...

Page 10: ...10 CS PC9CKV CU PC9CKV CS PC12CKV CU PC12CKV...

Page 11: ...11 CS PC9CKV CU PC9CKV CS PC12CKV CU PC12CKV...

Page 12: ...4 Refrigeration Cycle Diagram 4 1 CS CU PC9CKV CS CU PC12CKV 12 CS PC9CKV CU PC9CKV CS PC12CKV CU PC12CKV...

Page 13: ...5 Block Diagram 5 1 CS CU PC9CKV CS CU PC12CKV 13 CS PC9CKV CU PC9CKV CS PC12CKV CU PC12CKV...

Page 14: ...6 Wiring Diagram 6 1 CS CU PC9CKV CS CU PC12CKV 14 CS PC9CKV CU PC9CKV CS PC12CKV CU PC12CKV...

Page 15: ...ode Operation the unit will operate according to the setting by the Remote Control and the operation is as the following 3 min The compressor is ceased for 3 minutes to balance the pressure in the ref...

Page 16: ...for cooling Operation During Cooling Mode Operation use remote control to select Automatic Fan Speed Fan speed will be at the point between high speed and medium speed Deodorization control 16 CS PC9...

Page 17: ...uper low speed Once soft Dry mode operation is turned off indoor fan compressor and outdoor fan will stop for 6 minutes During cooling mode operation if the compressor ceased it will not restart withi...

Page 18: ...Time Graph for soft dry operation 18 CS PC9CKV CU PC9CKV CS PC12CKV CU PC12CKV...

Page 19: ...n mode has been determined the mode does not change However Soft Dry mode operation includes cooling mode operation 4 If automatic mode operation is started while the unit is operating operation will...

Page 20: ...ation commences at low airflow volume It stops when the temperature drops to 2 C below the setting temperature 3 The vertical airflow direction louver will not swing 7 5 Indoor Fan Motor Control Autom...

Page 21: ...nger reaches 38 C during heating mode operation if temperature falls to 35 C airflow direction will change from the lower limit to horizontal The left and right airflow direction louver can be adjuste...

Page 22: ...blocking the air circulation A place where air circulation in the room is good A place where drainage can be easily done A place where noise prevention is taken into consideration Do not install the...

Page 23: ...23 CS PC9CKV CU PC9CKV CS PC12CKV CU PC12CKV...

Page 24: ...Flaring tools set For the embedded piping P 31 Liquid side 1 4 Specified torque wrenches O Insulated drain hose 18N m Liquid side piping O Insulation materials 42N m Gas side piping Spanner Half union...

Page 25: ...he height should be more than eye level 8 3 1 2 Outdoor unit If an awning is built over the unit to prevent direct sunlight or rain exposure be careful that heat radiation from the condenser is not re...

Page 26: ...hole core drill Line according to the arrows marked on the lower left and right side of the installation plate To drill a hole in the wall and install a sleeve for tube ass y Drill a 70mm hole sloping...

Page 27: ...edges of pipes Turn the pipe end down to avoid the metal powder entering the pipe Caution If burrs are not removed they may cause a gas leakage 8 4 1 3 Flaring the pipe Insert the flare nuts mounted o...

Page 28: ...of the rear top of the indoor unit with the upper edge of the installation plate Ensure the hooks are properly seated on the installation plate by moving it left and right 6 Connecting the piping to t...

Page 29: ...he indoor unit Do not connect the cable to the indoor unit Make a small loop with the cable for easy connection 4 Indoor unit installation Hook the indoor unit onto the upper portion of installation p...

Page 30: ...ightening the flare nut with torque wrench ensure the direction for tightening follows arrow on the wrench Model Piping size Torque PC9CKV PC12CKV Liquid side 1 4 18N m PC9CKV Gas side 3 8 42N m PC12C...

Page 31: ...he way to the left on the installation plate Refer to the section cut and flaring the piping in the directions for the outdoor unit see P 27 8 5 5 Pull the connecting cable into the indoor unit 8 5 6...

Page 32: ...always use a torque wrench Other tools may cause damage to the flare nut because of improper force 8 6 2 Connect the cable to the outdoor unit 1 Remove the control board cover or top plate of the out...

Page 33: ...e front grille toward you to remove the front grille When reinstalling the front grille first set the vertical airflow direction louver to the horizontal position and then carry out by steps 3 and 2 i...

Page 34: ...ion at right and then remove the two mounting screws 3 Pull the lower section of the front grille towards you to remove the front grille When reinstalling the front grille first set the vertical airfl...

Page 35: ...directions are correct Be sure that both batteries are new Re attach the cover Slide the cover back into position 3 Operate the unit at cooling mode operation for 15 minutes or more 8 8 2 Evaluation...

Page 36: ...ockwise Push pin Operation Open Open Closed Counter clockwise With valve cap With cap Pumping down Closed Open Open transfering clockwise counter clockwise Connected manifold gauge Evacuation Open Ope...

Page 37: ...or unit and in the piping must be purged If air remains in the refrigeration piping it will affect the compressor reduce to cooling capacity and could lead to a malfunction 6 Tighten the service port...

Page 38: ...e 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 kg cm2 G 0 1Mpa If the unit cannot be operate at the cooling mod...

Page 39: ...move after approximately 5 minutes BE SURE TO TAKE THIS PROCEDURE IN ORDER TO AVOID GAS LEAKAGE 5 Disconnect the charging hose from the vacuum pump Caution If gauge needle does not move from 0 cmHg 0...

Page 40: ...on the charge set and discharge the refrigerant until the gauge indicates 0 5 1kg cm2 G 0 05 0 1Mpa If there is no air in the refrigerant cycle the pressure when the air conditioner is not running is...

Page 41: ...e has moved toward 76cmHg 0 1Mpa vacuum of 4 mmHg or less 3 Close the valve low side on the charge set turn off the vacuum pump and confirm that the gauge needle dose not move approximately 5 minutes...

Page 42: ...ly 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 This is differe...

Page 43: ...right side of the control board cover Refer to Fig 2 3 Release CN FB CN TH CN STM connectors on the electronic controller and CN DISP on the indicator CN RCV on the receiver see Fig 3 4 Pull the elect...

Page 44: ...sensor and remove the discharge grille Release the earth lead wire on the evaporator Fig 5 3 Release the tabs and screws on the left and right side of the control board to remove the control board Fig...

Page 45: ...6 Lift up the evaporator and remove the cross flow fan Fig 9 7 Remove the fan motor Fig 10 Fig 9 Fig 10 45 CS PC9CKV CU PC9CKV CS PC12CKV CU PC12CKV...

Page 46: ...reset If the display is chaotic or can not be adjusted use a pin to gently press reset button to reset the remote control to the original set by manufacturer Fig 11 Fig 11 46 CS PC9CKV CU PC9CKV CS PC...

Page 47: ...Such problems include insufficient insulation problem with the power source malfunction of compressor or fan The normal outlet air temperature and pressure of the refrigeration cycle depends on vario...

Page 48: ...sis methods of a malfunction of a compressor and a 4 way valve Nature of fault Symptom O Electric current during operation becomes approximately 80 lower than the normal level Insufficient compressing...

Page 49: ...12 Technical Data Q Q Q Q Thermostat characteristics CS CU PC9CKV CS CU PC12CKV 49 CS PC9CKV CU PC9CKV CS PC12CKV CU PC12CKV...

Page 50: ...Q Q Q Q Cooling characteristics 50 CS PC9CKV CU PC9CKV CS PC12CKV CU PC12CKV...

Page 51: ...13 Exploded View 51 CS PC9CKV CU PC9CKV CS PC12CKV CU PC12CKV...

Page 52: ...3360 CWA743430 14 RECEIVER 1 CWA743353 15 SENSOR COMPLETE 1 CWA50C2193 16 CONTROL BOARD FRONT COVER 1 CWH131175 17 CONTROL BOARD TOP COVER 1 CWH131176 18 INDICATOR 1 CWE39C1094 19 INDICATOR PCB 1 CWA7...

Page 53: ...15 Exploded View 53 CS PC9CKV CU PC9CKV CS PC12CKV CU PC12CKV...

Page 54: ...T01C2979 15 STRAINER 1 CWB11025 16 SOUND PROOF PANEL 1 CWH151059 17 OVER LOAD PROTECTOR 1 CWA121212 18 HOLDER O L P 1 CWH701006 19 TERMINAL COVER 1 CWH17006 20 NUT FOR TERMINAL COVER 1 7080300 21 CONT...

Page 55: ...17 Exploded View 55 CS PC9CKV CU PC9CKV CS PC12CKV CU PC12CKV...

Page 56: ...CWH351027A 13 2 WAY VALVE 1 CWB021024 14 3 WAY VALVE 1 CWB011024 15 OVER LOAD PROTECTOR 1 CWA121172 16 HOLDER O L P 1 CWH701006 17 TERMINAL COVER 1 CWH17006 18 NUT TERMINAL COVER 1 7080300 19 SOUND P...

Page 57: ...19 ELECTRONIC CIRCUIT DIAGRAM CS CU PC9CKV CS PC9CKV CU PC9CKV 57 CS PC9CKV CU PC9CKV CS PC12CKV CU PC12CKV...

Page 58: ...CS PC9CKV CU PC9CKV 58 CS PC9CKV CU PC9CKV CS PC12CKV CU PC12CKV...

Page 59: ...19 1 ELECTRONIC CIRCUIT DIAGRAM REMOTE CONTROL CS CU PC9CKV CS CU PC12CKV CS PC9CKV CU PC9CKV CS PC12CKV CU PC12CKV 59 CS PC9CKV CU PC9CKV CS PC12CKV CU PC12CKV...

Page 60: ...CS PC9CKV CU PC9CKV CS PC12CKV CU PC12CKV 60 CS PC9CKV CU PC9CKV CS PC12CKV CU PC12CKV...

Page 61: ...How to use electronic circuit diagram TIMER TABLE 61 CS PC9CKV CU PC9CKV CS PC12CKV CU PC12CKV...

Page 62: ...19 2 PRINT PATTERN INDOOR PCB CS PC9CKV CS PC12CKV 62 CS PC9CKV CU PC9CKV CS PC12CKV CU PC12CKV...

Page 63: ...CS PC9CKV CS PC12CKV 63 CS PC9CKV CU PC9CKV CS PC12CKV CU PC12CKV Printed in China...

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Panasonic CU-PC9CKV, Service Manual

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