Panasonic cs-pa7dkd Service Manual Download Page 16 | Manualshive

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CS/CU-PA7DKD
CS/CU-PA9DKD

5 Refrigeration Cycle Diagram

INTAKE AIR
SENSOR

PIPING
SENSOR

4-way valve

PIPING
SENSOR

INTAKE AIR
SENSOR

INTAKE AIR
SENSOR

PIPING
SENSOR

PIPING
SENSOR

PIPING
SENSOR

PIPING
SENSOR

CS/CU-PC7DKD
CS/CU-PC9DKD

AIR QUALITY
SENSOR

Cooling

Heating

AIR QUALITY
SENSOR

CS-PA7DKD / CU-PA7DKD / CS-PC7DKD / CU-PC7DKD

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Summary of Contents for cs-pa7dkd

Page 1: ...vice information by anyone else could result in serious injury or death 1 Features 2 2 Functions 3 3 Product Specifications 6 4 Dimensions 14 5 Refrigeration Cycle Diagram 16 6 Block Diagram 17 7 Wiring Diagram 19 8 Operation Details 21 9 Installation 35 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 Explode...

Page 2: ...ciency 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 PA7DKD CU PA7DKD CS PC7DKD CU PC7DKD ...

Page 3: ...ol Room Temperature Setting Temperature 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 co...

Page 4: ...ssing 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 Warm Booting Control Indoor fan starts running when temperature of evaporator reaches 30 or above When temperature of evaporator is between 30 and 34 indoor fan will run at Super Low or Low speed When temperatu...

Page 5: ...diately with remote control ON OFF button Anti freezing operation for outdoor unit during Heating Mode Operation only Temperature of the condenser is tested by TRS For PA7DKD PA9DKD only Deicing Control Overload Protection Control When the temperature of evaporator reaches 51 outdoor fan stops and will restart when the temperature of evaporator declines to 49 When the temperature of evaporator rea...

Page 6: ...e 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 rpm rpm CS PA7DKD CU PA7DKD 2 10 2 30 1 2 Single 220 50 SIDE VIEW TOP VIEW 7 40 8 66 9 50 Cooling high47 Heating high48 Cooling high37 Low29 Heating high37 Low29 Cooling 695 Heating 620 Cooling 3 40 Heating 3 00 Cooling 3 02 Heating 3 71 18 G half union3 8 L half union...

Page 7: ... c c g mm L min mm F V F V Evaporator Copper Slot type Plate fin configuration forced draft 2 x 12 1X24 Condenser Copper Corrugation type 18 610x252x25 4 Electronic Control P P Honeycomb 17 Capillary Tube 530 O L P 230V 30A 655 20 9 5 0 2 1 4 F 2 0 400V Specifications are subject to change without notice for further improvement F 400V Dimensions Rows Stage Capillary F 20 370V 1 5 269 1x504x18 19 S...

Page 8: ...type Fan Speed Low Med High Rated Output Input Inch Inch Inch Inch mm m mm mm mm kg W W W rpm rpm rpm CS PA9DKD CU PA9DKD 2 60 2 65 3 00 3 05 1 40 Single 220 230 50 SIDE VIEW TOP VIEW 7 72 8 54 10 10 Cooling high47 Heating high48 Cooling high38 Low29 Heating high38 Low29 Cooling 830 850 Heating 790 820 Cooling 3 90 3 80 Heating 3 65 3 65 Cooling 3 13 3 12 Heating 3 80 3 72 16 G half union3 8 L hal...

Page 9: ...mm F V F V Evaporator Copper Slot type Plate fin configuration forced draft 2 x 12 2X24 Condenser Copper Corrugation type 18 610x252x25 4 Electronic Control P P Honeycomb 17 Capillary Tube 860 O L P 230V 37A 609 10 10 0 0 2 1 4 F 2 0 400V Specifications are subject to change without notice for further improvement F 400V Dimensions Rows Stage Capillary F 30 370V 1 5 X504x36 38 SUNISO 4GDID orATMOS ...

Page 10: ...eter Length Height 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 PC7DKD CU PC7DKD 2 10 1 20 Single 220 50 SIDE VIEW TOP VIEW 4 9 5 7 6 8 High47 High36 Low28 680 3 20 3 09 15 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 sid...

Page 11: ...m c c g mm L min mm F V F V Evaporator copper slot type Plate fin configuration forced draft 2 x 8 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 450 O L P 25A 230V Capillary F 20 400V F 2 0 400V F 1 5 400V Dimensions Rows Stage 810 10 7 0 0 2 1 3 Specifications are subject to change without n...

Page 12: ...ner Diameter Length Height 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 PC9DKD CU PC9DKD 2 50 1 40 Single 220 230 50 SIDE VIEW TOP VIEW 6 5 7 4 8 5 High48 High30 Low28 860 4 00 2 91 20 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 ...

Page 13: ... c c g mm L min mm Evaporator copper slot type Plate fin configuration forced draft 2 x 12 1 x 24 Condenser copper Corrugation type 18 610x252x25 4 Electronic Control P P Honeycomb 17 575 8x504x12 7 Capillary Tube SUNISO 4GDID or ATMOS M60 M56 430 O L P 30A 230V Capillary Dimensions Rows Stage 590 20 10 1 0 2 1 4 Specifications are subject to change without notice for further improvement 60g for a...

Page 14: ... and the installation plate Front 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 CS PA7DKD CU PA7DKD CS PC7DKD CU PC7DKD 14 ...

Page 15: ... 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 PA9DKD CU PC7DKD CU PC9DKD CS PA7DKD CU PA7DKD CS PC7DKD CU PC7DKD 10cm 15 ...

Page 16: ...AIR SENSOR PIPING SENSOR 4 way valve PIPING SENSOR INTAKE AIR SENSOR INTAKE AIR SENSOR PIPING SENSOR PIPING SENSOR PIPING SENSOR PIPING SENSOR CS CU PC7DKD CS CU PC9DKD AIR QUALITY SENSOR Cooling Heating AIR QUALITY SENSOR CS PA7DKD CU PA7DKD CS PC7DKD CU PC7DKD 16 ...

Page 17: ...RY PWR OUTDOOR UNIT Receiver Remote Control F M 4 Valve Compressor Sensor Indicator Piping Sensor O L P INDOOR UNIT CS PA9DKD CU PA9DKD CS PA7DKD CU PA7DKD CS PC7DKD CU PC7DKD 17 For PA7DKD the power source is 220V For PA9DKD the power source is 220V 230V POWER SUPPLY AC220V 230V 50Hz ...

Page 18: ...essor CS PC7DKD CU PC7DKD CS PC9DKD CU PC9DKD Receiver Remote Control Sensor Indicator CS PA7DKD CU PA7DKD CS PC7DKD CU PC7DKD 18 POWER SUPPLY AC220V 230V 50Hz For PC7DKD the power source is 220V For PC9DKD the power source is 220V 230V ...

Page 19: ...T POWER SUPPLY CORD POWER SUPPLY CORD AC 220V 230 50Hz AC 220V 230 50Hz STEPPING MOTOR OUTDOOR UNIT TERMINAL BOARD 1 L 2 N 3 4 1 L 2 N 3 4 OUTDOOR UNIT OUTDOOR FAN MOTOR RESISTANCE CONNECTING COMPRESSOR RESISTANCE CONNECTING CU PA7DKD CU PA9DKD CWB092128 3 678 7 240 CU PA7DKD CU PA9DKD CS PA7DKD CU PA7DKD CS PA9DKD CU PA9DKD 7 Wiring Diagram R RED BL BLACK B BLUE BR BROWN O ORANGE GRY GREY G GREEN...

Page 20: ...ORD 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 PC7DKD CS PC9DKD CWA921308 395 325 CWA951427 Y B Y R CWA951427 OUTDOOR FAN MOTOR RESISTANCE CONNECTING COMPRESSOR RE...

Page 21: ...start 4 minutes Compressor ceases Time Anti 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 Slo...

Page 22: ...emperature 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 Operatio...

Page 23: ... 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 Compres...

Page 24: ...operation with the speed at super low Compressor Stops Compressor Restarts 4 minutes later Indoor Heat Exchanger 65 Compressor Stops Compressor Restarts 3 minutes later Compressor runs 5 min T 5 last for 2 min T intake air temperature evaporator temperature If the compressor has been continuously running for 5 minutes or longer and the difference of temperature between intake air and evaporator is...

Page 25: ...to select Auto Fan Speed mode Indoor Fan Speed is between Me and Slo Me Lo Lo S Lo S Lo 45 41 34 30 45 41 34 30 38 30 28 15 38 30 28 15 Temperature of heat exchanger Temperature of heat exchanger Stop Time Time Graph for Heating Operation Warm booting control indoor fan Off Warm booting control indoor fan Super Slo Prevent cool air EORZLQJ RXW a b c d h k o r Operation status Blink Operate Stop Ma...

Page 26: ...o Time Delay Td deicing won t ends immediately Deicing Operation Time T 3 min 3min T 7min 7 min T 9min T 9min Deicing Operation Time T 3 min 3min T 7min 7 min T 9min T 9min Td s 0 60 120 180 Td s 0 60 120 180 Once deicing operation starts it won t end until 60 seconds later When deicing operation ends compressor will stop for 30 seconds and 4 way valve remains at cooling mode operation for 10 seco...

Page 27: ...load deicing timer l m Warm booting control m r Overload control Out door fan stop for 60 accumulatively 20 20 51 Outdoor Heat Exchanger Outdoor Heat Exchanger 10 20 Basic time Compressor Indoor fan Outdoor fan Operation Indicator 4 way valve an stop n SL Operation Stop Blink Time 27 CS PA7DKD CU PA7DKD CS PC7DKD CU PC7DKD ...

Page 28: ...has been determined the mode does not change However Soft Dry mode operation 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 appropriat...

Page 29: ... 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 30: ...evel 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 referen...

Page 31: ...tivity 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 ...

Page 32: ...i t O N O F F 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 8Ventilator 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...

Page 33: ...N OFF TIMER SET TIMER OFF pressed For some reason Ex The signal of the remote control does not reach the signal receiver of the indoor unit the display of the remote control will not correspond with the actual ON OFF status of the indoor unit 33 CS PA7DKD CU PA7DKD CS PC7DKD CU PC7DKD 8 10 Indoor Fan Motor Control Automatic fan speed control When automatic fan speed set the available range for fan...

Page 34: ... louver When temperature of indoor heat exchanger reaches 38 during heating mode operation if temperature falls to 35 airflow direction will change from the lower limit to horizontal Angles Of Airflow Direction Louver Notes In heating mode operation 1 Airflow direction is automatically adjusted to horizontal direction when the temperature of indoor heat exchanger is low and it will be automaticall...

Page 35: ...to consideration Do not install the unit near the door way Ensure the spaces indicated by arrows from the wall ceiling fence or other obstacles Recommended installation height for indoor unit shall be at least 2 5m 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 ...

Page 36: ...allation parts you should purchase Saddle 10 cm or more Left and right are identical Insulation of piping connections Carry out insulation after checking for gas leaks and secure with vinyl tape Vinyl tape 100 cm or more 30 cm or more 10 cm or more 5 cm or more 5 cm or more 36 PA7DKD PA9DKD Type designation245 IEC 57 or heavier cord Connecting cable 5 CORE WIRE 1 5 mm2 2CORE WIRE 0 50mm2 PC7DKD PC...

Page 37: ...unit 6 Test Running 1 Connect the power supply 2 Evaluation of the performance 38 39 Pipes Gas side 3 8 Liquid side 1 4 Insulated drain hose Insulation materials Flaring tools set Specified torque wrenches 18N m 42N m Spanner Liquid side piping Gas side piping Half union Pipes Gas side 3 8 Liquid side 1 4 Insulated drain hose Insulation materials Flaring tools set Specified torque wrenches 18N m 4...

Page 38: ...eiling fence or other obstacles Fig 2 Recommended installation height for indoor unit shall be at least 2 5m 1 Indoor unit 3 Piping length and elevation 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 restricted There should not any animals or plants which could be affected by hot air discharged Ensure the spa...

Page 39: ...e wall and install a sleeve for tube ass y Drill a 70mm hole sloping downward toward the outside of the wall Insert the sleeve for tube ass y through the hole Fix the bushing to the sleeve Extrude 15mm of the sleeve then cut When the wall is horrow please be sure to use the sleeve for tube ass y to prevent dangers caused by mice biting the connecting cable Finish by sealing the sleeve with putty o...

Page 40: ... flaring portion to protect it from dust or damage Surface Damaged Cracket Uneven Thickness 3 8 1 4 9 4 Piping and Drainage of Indoor Unit 9 4 1 Preparation of piping Fig 10 Fig 8 Fig 9 Fig 11 1 Cut the pipes and the cable Use the accessory piping kit or pipes purchased locally Measure the distance between the indoor and the outdoor unit Cut the pipes a little longer than the measured distance Cut...

Page 41: ...e two hooks 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 Drain hose Connecting cable Press the lower left and right side of the unit against the installation plate until the hooks engages with their slots sound clicks 6 Connecting the piping to the indoor unit Align the ce...

Page 42: ... the hose and cap 2 Insert the piping and connecting cable to indoor side through the hole Outdoor Piping Indoor Connecting cable 42 3 Insert the connecting cable into the indoor unit Do not connect the cable to the indoor unit Make a small loop with the cable for easy connection Fig 16 Fig 17 Fig 18 Fig 19 Gas side piping Liquid side piping Connecting cable CS PA7DKD CU PA7DKD CS PC7DKD CU PC7DKD...

Page 43: ...e flare nut with torque wrench until the wrench clicks When tightening the flare nut with torque wrench ensure the direction for tightening follows arrow on the wrench Model Piping side Torque Liquid side 1 4 Gas side 3 8 18N m 42N m 6 Set the piping and the connecting cable to the back of chassis with the clamping cover 7 Tape the piping drain hose and connecting cable 43 Fig 21 Fig 22 Fig 23 Fig...

Page 44: ... page 40 9 5 6 Connecting the piping Refer to the section connecting the piping in the directions for the indoor unit Connecting the piping to the outdoor unit and checking the gas leakage In case of the embedded piping How to pull the piping and drain hose out Sealed with putty or caulking compound PVC tube for drain hose PVC tube for drain hose PVC tube for drain hose PVC tube for drain hose Be ...

Page 45: ...g the cable to the outdoor unit 1 Remove the control board cover of the outdoor unit from the unit by loosening the screw 2 Connecting cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed 3 PC7DKD PC9DKD or 5 PA7DKD PA9DKD x 1 5 mm flexible cord type designation 245 IEC 57 or heavier cord For PA7DKD PA9DKD the attached wire 6 with two connectors should be applied 2...

Page 46: ...he horizontal airflow direction louver to horizontal position Traystyrofoam When reinstalling the front grille first set the vertical airflow direction louver to the horizontal position and then carry out by steps c and b in that order At this time check to sure that the fixing tabs on the top inside edge of the front grille are securely inserted into the respective slots 2 Checking the drainage P...

Page 47: ...en servicing Set the vertical airflow direction louver to the horizontal position Slide down the two caps on the front grille as shown in the illustration below and then remove the two mounting screw Pull the lower section of the front grille towards you to remove the front grille 1 2 3 Cap Screw Vertical airflow deflection louver Move the vertical vane to horizontal When reinstalling the front gr...

Page 48: ...o position 3 Operate the unit at cooling mode operation for 15 minutes or more OPEN 9 8 2 Evaluation of the performance 1 Operate the air conditioner for 15 minutes 2 Measure the temperature of the intake and discharge air 3 Ensure the difference of temperature between the intake and discharge air is more than 8 C in cooling operation or more than 14 C in heating operation CAUTION Connecting cable...

Page 49: ...er 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 va...

Page 50: ...uge 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 th...

Page 51: ...htly 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 52: ...NT 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 52 Caution If gauge needle does not move from 0 cmHg 0 Mpa to 76cmHg ...

Page 53: ...t 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 ind...

Page 54: ...vacuum 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 hos...

Page 55: ...t 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 ...

Page 56: ... 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 CS PA7DKD CU PA7DKD CS PC7DKD CU PC7DKD ...

Page 57: ...ronic 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 PA7DKD CU PA7DKD CS PC7DKD CU PC7DKD ...

Page 58: ...esetting terminals Fig 14 58 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 fig12 indoor fan can be taken out from the left side Bearing 4 Lift up the indoor fan slightly and then pull the fan motor out Fig13 Fig 13 Fa...

Page 59: ...mperature More than 8 15 minutes afte an operation is started at the cooling mode Normal Measuring electric current during operation Measuring gas side pressure Less than 14 at the heating mode Value of electric current during operation Higher than specified Dusty heat exchanger preventing heat radiation Excessive amount of refrigerant Lower than specified Gas side pressure Cooling mode High Low L...

Page 60: ...comes 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 level abnormally and the value exceeds the limit of an ammeter In some cases a breaker turns off The compressor has a humming sound Inefficient switches of the 4 way va...

Page 61: ... in difference Temperature setting Intake Air temperature 34 32 30 28 26 24 22 20 18 16 16 18 20 22 24 26 28 30 34 32 30 28 26 24 22 20 18 16 16 18 20 22 24 26 28 30 13 Technical Data Heating mode Only for CS PA7DKD CS PA9DKD 34 32 30 28 26 24 22 20 18 16 16 18 20 22 24 26 28 30 Compressor off Set temperature 2 0 in difference Set temperature diff 0 5 Intake Air temperature Temperature setting Com...

Page 62: ...essure Mpa O Outlet air temp Outdoor temp Condition Room temp 27 19 Cooling operation at high speed Piping length 5m CS CU PC7DKD CS CU PA9DKD 30 32 34 36 38 40 42 44 220V 17 16 15 14 13 0 70 0 65 0 60 0 55 0 50 2 8 2 6 2 4 2 2 2 0 6 0 5 0 4 0 3 0 I Current A Q Cooling capacity kW HP Gas side piping pressure Mpa O Outlet air temp Outdoor temp Condition Room temp 27 19 Cooling operation at high spe...

Page 63: ...ating capacity kW HP Gas side piping Pressure Mpa O Outlet Air temp 2 4 2 3 2 2 2 1 4 0 3 0 2 0 1 0 39 38 37 36 18 17 16 5 6 7 8 9 10 11 12 Outdoor temp Condition Room temp 27 19 Heating operation at high speed Piping length 5m I current A Q Heating capacity kW HP Gas side piping Pressure Mpa O Outlet Air temp 3 1 3 0 2 9 2 8 3 9 3 8 3 7 3 6 39 38 37 36 18 17 16 5 6 7 8 9 10 11 12 220V 220V 230V ...

Page 64: ...C9DKD 14 Exploded View 64 35 1 3 37 2 26 33 15 18 24 9 31 32 28 25 30 32 31 29 10 12 7 11 22 20 27 21 17 34 14 19 23 4 6 5 OFF MODE TEMP OFF O N ON CANCEL SET STD TIMER FANSPEED AIR SWING 16 36 CS PA7DKD CU PA7DKD CS PC7DKD CU PC7DKD 13 ...

Page 65: ...18 RECEIVER COMPLETE 1 CWA743353 CWA743353 CWA743353 CWA743353 19 CONNECTING LEAD S RECEIVER 1 CWA67C5171 CWA67C5490 CWA67C5171 CWA67C5490 20 INDICATOR COMPLETE 1 CWE39C1117 CWE39C1117 CWE39C1117 CWE39C1117 21 INDICATOR HOLDER 1 CWD932447 CWD932447 CWD932447 CWD932447 22 INDICATOR PCB 1 CWA743603 CWA743603 CWA743603 CWA743603 23 CONNECTING LEAD INDICATOR 1 CWA67C5169 CWA67C5169 CWA67C5169 CWA67C51...

Page 66: ...16 Exploded View CU PA7DKD CU PC7DKD 66 33 30 32 31 34 4 5 3 2 6 7 23 11 27 20 19 18 29 14 8 10 9 1 13 15 16 28 26 25 24 21 17 CU PA9DKD CU PC9DKD CS PA7DKD CU PA7DKD CS PC7DKD CU PC7DKD 12 ...

Page 67: ...7 CWB021247 16 3 WAY VALVE 1 CWB011301 CWB011301 CWB011301 CWB011301 17 STRAINER 1 CWB111026 CWB111026 CWB111026 CWB111026 18 OVER LOAD PROTECTOR 1 CWA121201 CWA12146 C CWA121226 CWA121199 19 TERMINAL COVER 1 CWH17006 CWH17006 CWH17006 CWH17006 20 NUT TERMINAL COVER 1 7080300 7080300 7080300 7080300 21 SOUND PROOF PANEL 1 CWH151080 CWH151080 CWH151080 CWH151080 23 TERMINAL BOARD ASS Y 1 CWA28K1104...

Page 68: ...A B C D E 2 3 4 5 F CS PA7DKD CU PA7DKD CS PC7DKD CU PC7DKD 68 ...

Page 69: ...4 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 PA7DKD CU PA7DKD CS PC7DKD CU PC7DKD 69 ...

Page 70: ...Capacitor Compressor Yellow Green Yellow Blue Red Capacitor Blue Yellow Blue Red Yellow 1 2 Terminal Board Outdoor Unit CS PA7DKD CU PA7DKD CS PC7DKD CU PC7DKD 70 For PA7DKD the power source is 220V For PA9DKD the power source is 220V 230V ...

Page 71: ...1 P32 P33 P34 P35 P47 P46 P45 P44 P43 P42 P41 P40 P67 P66 P65 SI30 SO30 SCK30 P23 P24 P25 VDD1 AN17 AN16 STP Motor C 4 Timer Earth Indicator Power Outdoor Fan Drive Signal Indoor Fan Drive Signal Indoor Fan Air Quality Indicator 71 CS PA7DKD CU PA7DKD CS PC7DKD CU PC7DKD ...

Page 72: ...5 6 7 8 9 10 P64 T001 P74 T051 P72 IC VPP AN16 AN15 AN14 AN13 AN12 AN11 Comp Way Valve AUTO Receiver Reset Air Quality Sensor Temp Sensor n Motor Feedback 72 CS PA7DKD CU PA7DKD CS PC7DKD CU PC7DKD ...

Page 73: ...14 11 12 13 AC220V 230V Terminal Board 73 CS PA7DKD CU PA7DKD CS PC7DKD CU PC7DKD For PA7DKD the power source is 220V For PA9DKD the power source is 220V 230V ...

Page 74: ...74 CS PA7DKD CU PA7DKD CS PC7DKD CU PC7DKD ...

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