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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-techical 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 product or products dealt with in this service information by anyone else could result in serious injury or death.
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CS/CU-PC12DKD
CS/CU-PA12DKD
WARNING
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(GMAC) All rights reserved. Unauthorized copying
and distribution is violation of law.
Order No. GMAC0504039C3
Air Conditioner
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Guangzhou Matsushita Air Conditioner Co., Ltd.
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Table of Contents
Related Manuals for Panasonic CU-PC12DKD
Summary of Contents for Panasonic CU-PC12DKD
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Page 1: Table Of Contents
Order No. GMAC0504039C3 Air Conditioner CS/CU-PC12DKD CS/CU-PA12DKD WARNING 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-techical individuals of potential dangers in attempting to service a product. -
Page 2: Features
CS-PC12DKD / CU-PC12DKD / CS-PA12DKD / CU-PA12DKD 1 Features Comfort Environment High Efficiency Air filter with function to reduce dust and smoke Air Quality Indicator Auto Restart Control 12-hour Timer Setting Automatically restart after power failure... -
Page 3: Functions
CS-PC12DKD / CU-PC12DKD / CS-PA12DKD / CU-PA12DKD 2 Functions Remote Control OFF/ON SWING Operation START/STOP Airflow Direction Control Turn on/off the air conditionor Horizontal Airflow Direction Control When stop the operation by pressing -Auto Control OFF/ON button,the cursor key points -Manual Control to OFF. -
Page 4: Indoor Unit
CS-PC12DKD / CU-PC12DKD / CS-PA12DKD / CU-PA12DKD Indoor Unit National Auto Switch Button Power Switch ON/OFF Anti-freezing Control for the Evaporator When the remote control cannot be used or Cooling or Soft Dry Operation for repairing and testing ,please use this button. -
Page 5: Outdoor Unit
CS-PC12DKD / CU-PC12DKD / CS-PA12DKD / CU-PA12DKD Outdoor Unit Anti-reverse Protection Overload Protection Control (For PA12DKD only) To protect the compressor from reverse When the temperature of evaporator rotation when power off suddenly. reaches 51 ,outdoor fan stops,and will restart when the temperature of evaporator declines to 49 . -
Page 6: Product Specifications
CS-PC12DKD / CU-PC12DKD / CS-PA12DKD / CU-PA12DKD 3 Product Specifications Unit CS-PA12DKD CU-PA12DKD Cooling Capacity 3.35-3.40 3.80-3.85 Heating Capacity 1.80 L /h Moisture Removal Single Phase 220/230 Power Source Cycle TOP VIEW SIDE VIEW OUTLET Airflow Method INTAKE Air Circulation Indoor Air (low) m /min 7.62... - Page 7 CS-PC12DKD / CU-PC12DKD / CS-PA12DKD / CU-PA12DKD Unit CS-PA12DKD CU-PA12DKD Description Evaporator Condenser Heat Copper Copper Tube Material Exchanger Fin Type Slot type Corrugation type (Plate fin configuration,forced draft) Rows/Stage 2 x 15 2X24 735.8 Dimensions 610x252x25.4 X504x36.38 715.1 Refrigerant Control Device Capillary Tube (c.c)
- Page 8 CS-PC12DKD / CU-PC12DKD / CS-PA12DKD / CU-PA12DKD Unit CS-PC12DKD CU-PC12DKD Cooling Capacity 3.50-3.55 1.80 Moisture Removal Single Phase 220/230 Power Source Cycle TOP VIEW SIDE VIEW OUTLET Airflow Method INTAKE Air Circulation Indoor Air (low) 7.65 m /min m /min Indoor Air (medium) 8.26...
- Page 9 CS-PC12DKD / CU-PC12DKD / CS-PA12DKD / CU-PA12DKD Unit CS-PC12DKD CU-PC12DKD Description Evaporator Condenser Heat copper copper Tube Material Exchanger Fin Type slot type Corrugation type (Plate fin configuration,forced draft) Rows/Stage 2 x 15 2 x 24 610x252x25.4 Dimensions 735.8x504x25.4 Refrigerant Control Device...
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Page 10: Dimensions
CS-PC12DKD / CU-PC12DKD / CS-PA12DKD / CU-PA12DKD 4 Dimensions Indoor Unit Unit : mm Side view Front View Air intake Right Piping Hole Air outlet Left Piping Hole Gas Side <Back View> Installation Plate Hook Liquid Side (100) (50) (420) 16.5... -
Page 11: Front View
CS-PC12DKD / CU-PC12DKD / CS-PA12DKD / CU-PA12DKD Outdoor Unit Unit : mm <Top View> More than 10cm More than 10cm More than 100 cm <Front View> <Side View> INVERTER... -
Page 12: Refrigeration Cycle Diagram
CS-PC12DKD / CU-PC12DKD / CS-PA12DKD / CU-PA12DKD 5 Refrigeration Cycle Diagram CS/CU-PA12DKD AIR QUALITY INTAKE AIR PIPING SENSOR SENSOR SENSOR PIPING SENSOR 4-way valve Cooling Heating CS/CU-PC12DKD INTAKE AIR INTAKE AIR AIR QUALITY SENSOR SENSOR SENSOR PIPING PIPING SENSOR SENSOR... -
Page 13: Block Diagram
CS-PC12DKD / CU-PC12DKD / CS-PA12DKD / CU-PA12DKD 6 Block Diagram CS-PA12DKD/CU-PA12DKD... - Page 14 CS-PC12DKD / CU-PC12DKD / CS-PA12DKD / CU-PA12DKD CS-PC127DKD/CU-PC12DKD...
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Page 15: Wiring Diagram
CS-PC12DKD / CU-PC12DKD / CS-PA12DKD / CU-PA12DKD 7 Wiring Diagram CS-PA12DKD/CU-PA12DKD Wireless Remote Control ELECTRONIC CONTROLLER Indicator Complete STEPPING MOTOR POWER SUPPLY POWER SUPPLY FAN MOTOR CORD CORD AC 220V/230V, 50Hz AC 220V/230V, 50Hz FUSE SENSOR(PIPING TEMP.) AUTO SWITCH INDOOR UNIT... - Page 16 CS-PC12DKD / CU-PC12DKD / CS-PA12DKD / CU-PA12DKD CS-PC12DKD/CU-PC12DKD Wireless Remote Control Indicator ELECTRONIC CONTROLLER Complete STEPPING MOTOR FAN MOTOR POWER SUPPLY POWER SUPPLY CORD CORD AC 220V/230V AC 220V/230V 50Hz 50Hz SENSOR(PIPING TEMP.) AC(WHT) AUTO SWITCH THERMAL FUSE VENTILATION SIGNAL...
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Page 17: Operation Details
CS-PC12DKD / CU-PC12DKD / CS-PA12DKD / CU-PA12DKD 8 Operation Details Cooling Mode Operation When selecting the Cooling Mode Operation, the unit will operate according to the setting by the Remote Controller or the control panel on the indoor unit and the operation is as the following. -
Page 18: Soft Dry Mode Operation
CS-PC12DKD / CU-PC12DKD / CS-PA12DKD / CU-PA12DKD Time Graph for Cooling Operation a b c d e f g h i j k l m n o p q r s t u v w x y z Intake air temperature... -
Page 19: Cooling Mode Operation
CS-PC12DKD / CU-PC12DKD / CS-PA12DKD / CU-PA12DKD Automatic Fan Speed During Soft Dry Operation, use remote controller to select Auto Fan Speed mode. Indoor Fan Speed is at “Lo-” Indoor Compressor Time Graph for soft dry operation a b c d e f... - Page 20 CS-PC12DKD / CU-PC12DKD / CS-PA12DKD / CU-PA12DKD 8.3. Heating Mode Operation(Only for PA12DKD) When selecting the Heating Mode Operation, the unit will operate according to the setting by the Remote Controller and the operation is as the following. Time Delay Safety Control If the compressor stopped by switching off, turning off by remote controller, or power off, it will not restart within 3 minutes.
- Page 21 CS-PC12DKD / CU-PC12DKD / CS-PA12DKD / CU-PA12DKD Automatic Fan Speed During Heating Operation, use remote controller to select Auto Fan Speed mode. Indoor Fan Speed is between “Me” and “Slo”. S Lo S Lo Manual fan speed Stop Temperature of heat exchanger...
- Page 22 CS-PC12DKD / CU-PC12DKD / CS-PA12DKD / CU-PA12DKD Deice Control Deice operation is to protect the outdoor unit from freezing. Normal Deice Operation Deicing starts 30 minutes after heating mode operation or 60 minutes after the latest deicing operation. If temperature of outdoor piping, tested by TRS, falls to -3 (TRS OFF) or below for continuously 50 seconds, deicing operation starts.
- Page 23 CS-PC12DKD / CU-PC12DKD / CS-PA12DKD / CU-PA12DKD Time Graph for Overload Deicing a b c d e f g h i j k l m n o p q Outdoor Heat Outdoor Heat Exchanger Exchanger Basic time Out door fan stop for 60' accumulatively 20’’ 20’’...
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Page 24: Automatic Mode Operation
CS-PC12DKD / CU-PC12DKD / CS-PA12DKD / CU-PA12DKD Automatic Mode Operation Standard for Determining Operation Mode First Determination: Setting Temperature (Standard) Cooling mode Cooling mode Intake Air Soft Dry mode temperature Soft Dry mode Heating mode Heating mode Second Determination: One hour after the above determination, the unit will operate according to the table below. - Page 25 CS-PC12DKD / CU-PC12DKD / CS-PA12DKD / CU-PA12DKD 8.6 Air Quality Sensor Control Resistance of air quality sensor: Rs(air)=10k ~50k ( The worse the air quality, the smaller the resistance.) Basic Operation Detecting and indicating of the air quality will not stop during the operation of the air conditioner.
- Page 26 CS-PC12DKD / CU-PC12DKD / CS-PA12DKD / CU-PA12DKD 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 reference (MAXR). The power of the air quality sensor will be on for 3 minutes after each 109 minutes.
- Page 27 CS-PC12DKD / CU-PC12DKD / CS-PA12DKD / CU-PA12DKD Forced Resetting Forced Resetting Time (The added operation time mentioned later not included.) (a) Air Pollution Level 2: Red: 5 minutes Orange: 8 minutes Green (B) Air Pollution Level 1: Red: 5 minutes...
- Page 28 CS-PC12DKD / CU-PC12DKD / CS-PA12DKD / CU-PA12DKD 8.7Demo Mode ( Outdoor unit not needed) Activate the demo mode: Keep the AUTO button on the indoor Tu r n o f f t h e a i r Demo mode operation will be...
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Page 29: Indoor Fan Motor Control
CS-PC12DKD / CU-PC12DKD / CS-PA12DKD / CU-PA12DKD About Cursor Key Which Points To “OFF” On Remote Control When the ON/OFF button on the remote control is pressed, the cursor key which points to “OFF” will appear or disappear to indicate the ON/OFF status of the air conditioner. -
Page 30: Airflow Direction Control
CS-PC12DKD / CU-PC12DKD / CS-PA12DKD / CU-PA12DKD 8.12. Airflow Direction Control Airflow Direction Auto-control When set at airflow direction auto-control with remote control,the louver swings up and down as shown in the table below. The louver does not swing when the indoor fan stops during operation. -
Page 31: Installation Instructions
CS-PC12DKD/ CU-PC12DKD / CS-PA12DKD / CU-PA12DKD 9 Installation Instructions Required tools for Installation Works 1. Philips screw driver 5. Spanner 9. Gas leak detector 13. Multimeter 2. Level gauge 6. Pipe cutter 10. Measuring tape 14. Torque wrench 18 N.m (1.8 kgf.m) 42 N.m (4.2 kgf.m) - Page 32 CS-PC12DKD/ CU-PC12DKD / CS-PA12DKD / CU-PA12DKD 1. The equipment must be earthed. It may cause electrical shock if grounding is not perfect. 2. Do not install the unit at place where leakage of flammable gas may occur. In case gas leaks and accumulates at surrounding of the unit, it may cause fire.
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Page 33: Attached Accessories
CS-PC12DKD/ CU-PC12DKD / CS-PA12DKD / CU-PA12DKD Attach ed access ories Indoor /Outdo or Unit Installa tion Diagra m Attached accessories. Accessories part Qty. No. Accessories part Qty. Installation plate Drain elbow (Only for PA12DKD) Indoor/Outdoor Unit Installation Diagram Length of power supply cord... -
Page 34: Select The Best Location
CS-PC12DKD/ CU-PC12DKD / CS-PA12DKD / CU-PA12DKD 9.2. INDOOR UNIT 9.2.1. SELECT THE BEST LOCATION 9.2.3. TO DRILL A HOLE IN THE WALL (Refer to “Select the best location” AND INSTALL A SLEEVE OF section) PIPING 1. Insert the piping sleeve to the hole. - Page 35 CS-PC12DKD/ CU-PC12DKD / CS-PA12DKD / CU-PA12DKD...
- Page 36 CS-PC12DKD/ CU-PC12DKD / CS-PA12DKD / CU-PA12DKD 9.2.5. CONNECT THE CABLE TO THE INDOOR UNIT 1. The inside and outside connecting cable can be connected without removing the front grille. 2. Connecting cable between indoor unit and outdoor unit shall approved...
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Page 37: Install The Outdoor Unit
CS-PC12DKD/ CU-PC12DKD / CS-PA12DKD / CU-PA12DKD 9.3. OUTDOOR UNIT HOW TO TAKE OUT FRONT GRILL E 9.3.1. SELECT THE BEST LOCATION Please follow the steps below to take out front grille if (Refer to "Select the best location" necessary such as when servicing. - Page 38 CS-PC12DKD/ CU-PC12DKD / CS-PA12DKD / CU-PA12DKD CUTTING AND FLARING THE PIPING 1. Please cut using pipe cutter and then remove the burrs. 2. Remove the burrs by using reamer. If burrs is not removed, gas leakage may be caused. Turn the piping end down to avoid the metal powder entering the pipe.
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Page 39: Connect The Cable To The Outdoor Unit
CS-PC12DKD/ CU-PC12DKD / CS-PA12DKD / CU-PA12DKD 9.3.5. (b) AIR PURGING OF THE PIPING AND INDOOR UNIT 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. - Page 40 CS-PC12DKD/ CU-PC12DKD / CS-PA12DKD / CU-PA12DKD CHECK ITEMS DISPOSAL OF OUTDOOR UNIT DRAIN WATER ı ı ı If a drain elbow is used, the unit should be placed on a Is there any gas leakage at flare nut connections? stand which is taller than 3 cm.
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Page 41: 10 2-Way,3-Way Valve
CS-PC12DKD / CU-PC12DKD / CS-PA12DKD / CU-PA12DKD 10 2-way,3-way Valve 2-way Valve (Liquid Side) 3-way Valve (Gas Side) Works Shaft Position Shaft Position Service Port Shipping Close Closed Closed (With cap) (With valve cap) (With valve cap)` Air purging(Installation and Re-... -
Page 42: Evacuation Of Installation
CS-PC12DKD / CU-PC12DKD / CS-PA12DKD / CU-PA12DKD 10.1. Evacuation of Installation When installing an air conditioner, be sure to evacuate the air inside the indoor unit and pipes in the following procedure. Required tools: Hexagonal wrench, adjustable wrench, torque wrench, The air in the indoor unit and in the piping must be purged. -
Page 43: Pumping Down
CS-PC12DKD / CU-PC12DKD / CS-PA12DKD / CU-PA12DKD 10.2. Pumping down (For Re-Installation) (Indoor unit) (Liquid side) (Outdoor unit) 2-way valve Closed (Gas side) 3-way valve Closed Open High Closed Procedure 1.Confirm that both 2-way and 3-way valves are set to open 6. -
Page 44: Re-Air Purging
CS-PC12DKD / CU-PC12DKD / CS-PA12DKD / CU-PA12DKD 10.3.Re-air Purging (Re-installation) (Liquid side) (Indoor unit) (Outdoor unit) 2-way valve Open (Gas side) 3-way valve Open Open Vacuum Pump High Closed 1.Connect a charging hose with a push pin to the Low 7.Tighten the service port caps of both the 3-way valve... - Page 45 CS-PC12DKD / CU-PC12DKD / CS-PA12DKD / CU-PA12DKD 10.4. Balance refrigerant of the 2-way,3-way walves (Gas leakage) (Liquid side) (Indoor unit) (Outdoor unit) 2-way valve Open (Gas side) 3-way valve Open Open Vacuum pump High Closed Procedure Open the valve (Low side) on the charge set and Confirm that both the 3-way valve and 2-way valve are discharge the refrigerant until the gauge indicates 0.05...
- Page 46 CS-PC12DKD / CU-PC12DKD / CS-PA12DKD / CU-PA12DKD 10.5. Evacuation (Installation) (No refrigerant in the refrigeration cycle) (Liquid side) (Indoor unit) (Outdoor unit) 2-way valve Open (Gas side) 3-way valve Open Open Vacuum Pump High Closed Procedure Connect the vacuum pump to the charge set’s centre hose.
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Page 47: Gas Charging
CS-PC12DKD / CU-PC12DKD / CS-PA12DKD / CU-PA12DKD 10.6. Gas charging (After Evacuation) (Indoor unit) (Liquid side) (Outdoor unit) 2-way valve Open (Gas side) 3-way valve Open Open High Closed Charging cylinder Procedure 1.Connect the charge hose to the charging cylinder. -
Page 48: Disassembly Of The Parts
CS-PC12DKD / CU-PC12DKD / CS-PA12DKD / CU-PA12DKD 11 Disassembly of the parts Removal Procedure For Intake Grille 1. Open the intake grille and pull it to the horizontal Opener Opener position. (Fig. 1) Fig. 1 2. Pull up the intake grille until it falls off.(Fig. 2) Fig. - Page 49 CS-PC12DKD / CU-PC12DKD / CS-PA12DKD / CU-PA12DKD Removal Procedure For Electronic Controller 1 Remove indicador complete Afer removing the front grille, loose the screw behind the indicator, the whole indicator can be released. Indicator Complete Fig 6 2 Remove the cover of control board and holder 3 Break off the earing ,release the holder slightly.
- Page 50 CS-PC12DKD / CU-PC12DKD / CS-PA12DKD / CU-PA12DKD Removal Procedure For Cross Flow Fan fixing board Release the two fixing screws,disassembly the fixing board from evaporator on the left side of the evaporator and pull out the whole evaporator. (Fig. 12) Screw Fig.
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Page 51: Troubleshooting Guide
CS-PC12DKD / CU-PC12DKD / CS-PA12DKD / CU-PA12DKD 12 Troubleshooting Guide 12.1. Refrigeration cycle system Normal pressure and outlet air temperature(standard) In order to diagnose malfunctions, make sure that there are no Outlet air Gas side pressure electrical problems before inspecting the refrigeration cycle. -
Page 52: Diagnosis Methods Of A Malfunction Of A Compressor
CS-PC12DKD / CU-PC12DKD / CS-PA12DKD / CU-PA12DKD 12.2. Relationship between the condition of air conditioner and pressrue and electric current Cooling mode Heating mode Condition of the air Low pressure High pressure Electric current Low pressure High pressure Electric current... -
Page 53: Technical Data
CS-PC12DKD / CU-PC12DKD / CS-PA12DKD / CU-PA12DKD 13 Technical Data Thermostat characteristics Cooling mode Soft dry mode Cooling on Compressor on Cooling off Compressor off= set temperature Set temperature Soft Dry off Soft Dry on in difference in difference in difference... - Page 54 CS-PC12DKD / CU-PC12DKD / CS-PA12DKD / CU-PA12DKD Cooling characteristics CS/CU-PA12DKD CS/CU-PC12DKD 220V 220V 230V 230V 0.70 0.70 0.65 0.65 0.60 0.60 0.55 0.55 0.50 0.50 Outdoor temp( ) Outdoor temp( ) [Condition] Room temp: 27/19 [Condition] Room temp: 27/19 Cooling operation:at high speed...
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Page 55: Exploded View
CS-PC12DKD / CU-PC12DKD / CS-PA12DKD / CU-PA12DKD 14 Exploded View CS-PA12DKD CS-PC12DKD... -
Page 56: Replacement Parts List
CS-PC12DKD / CU-PC12DKD / CS-PA12DKD / CU-PA12DKD 15 Replacement Parts List CS-PA12DKD CS-PC12DKD DESCRIPTION&NAME Q'ty CS-PA12DKD CS-PC12DKD CHASSIS COMPLETE CWD50C1423 CWD50C1423 FAN MOTOR CWA921098 CWA921098 CROSS FLOW FAN COMPLETE CWH02C1036 CWH02C1036 EVAPORATOR CWB30C1730 CWB30C1694 INTAKE AIR SENSOR HOLDER CWT01C3457 CWT01C3425... -
Page 57: Exploded View
CS-PC12DKD / CU-PC12DKD / CS-PA12DKD / CU-PA12DKD 16 Exploded View CU-PA12DKD CU-PC12DKD... -
Page 58: Replacement Parts List
CS-PC12DKD / CU-PC12DKD / CS-PA12DKD / CU-PA12DKD 17 Replacement Parts List CU-PA12DKD CU-PC12DKD DESCRIPTION&NAME Q'ty CU-PA12DKD CU-PC12DKD BASE ASS'Y CWD50K2124A CWD50K2122A HOLDER-FAN MOTOR CWD541020 CWD541020 SCREW-F.M. HOLDER CWH551060J CWH551060J FAN MOTOR CWA951440 CWA951440 FIXING SCREW-FAN MOTOR CWH55406J CWH55406J PROPELLER FAN... -
Page 59: Electronic Circuit Diagram
CS-PC12DKD / CU-PC12DKD / CS-PA12DKD / CU-PA12DKD Number JUMPER JUMPER JUMPER NONE NONE NONE JUMPER NONE... - Page 60 CS-PC12DKD / CU-PC12DKD / CS-PA12DKD / CU-PA12DKD INTP2 INTP2 INTP1 INTP1 IC 1 IC 1 INTP0 INTP0 Vss1 Vss1 A52D00760648 Vss0 Vss0 Vdd0 Vdd0 RESET RESET Avrof Avrof An10 An10...
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