Panasonic Cs A7dkd Cs A9dkd Cs A12dkd Repair Manual
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1 Features 2 2 Functions 3 2.1. Remote Control 3 2.2. Indoor Unit 4 2.3. Outdoor Unit 5 3 Product Specifications 6 3.1. CS-A7DKD CU-A7DKD 6 3.2. CS-A9DKD CU-A9DKD 8 3.3. CS-A12DKD CU-A12DKD 10 4 Dimensions 12 © 2005 Panasonic HA Air-Conditioning (M) Sdn Bhd (11969-T). All rights reserved. Unauthorized copying and distribution is a violation of law. CS-A7DKD CU-A7DKD CS-A9DKD CU-A9DKD CS-A12DKD CU-A12DKD 4.1. Indoor Unit & Remote Control 12 4.2. Outdoor Unit 13 5 Refrigeration Cycle Diagram 14 6 Block Diagram 15 7 Wiring Diagram 17 8 Operation Details 19 8.1. Heating Operation 19 8.2. Cooling Operation 20 8.3. Soft Dry Operation 21 Air Conditioner CONTENTS Page Page Order No. MAC0501023C3
8.4. Automatic Operation 22 8.5. Operation Control 23 8.6. Indoor Fan Speed Control 30 8.7. Outdoor Fan Speed Control 32 8.8. Vertical Airflow Direction Control 32 8.9. Horizontal Airflow Direction Control 33 8.10. Powerful Operation 33 8.11. Quiet Operation 35 8.12. Ionizer Operation 37 8.13. Timer Control 38 8.14. Random Auto Restart Control 38 8.15. Remote Control Signal Receiving Sound 38 9 Operating Instructions 39 10 Installation Instructions 45 10.1. Safety Precautions 45 10.2. Attached accessories 47 10.3. Select the best location 47 10.4. Indoor/Outdoor Unit Installation Diagram 47 10.5. Indoor unit 48 10.6. Outdoor unit 51 11 2-way, 3-way Valve 56 11.1. Air Purging of the Piping and Indoor Unit 57 12 ServicingInformation 63 12.1. Distinction Of Lead Free (PbF) Printed Circuit Board 63 12.2. Indoor Electronic Controllers Removal Procedures 63 • High Efficiency • Compact Design • Wider range of horizontal discharge air. • Air Filter with function to reduce dust and smoke. • Automatic air swing and manual adjusted by Remote Control for vertical airflow. • Long installation piping. − CS/CU-A7DK, CS/CU-A9DK, long piping up to 10 meter. − CS/CU-A12DK, long piping up to 15 meter. • Supersonic Air PurifyingDevice with SUPER alleru- buster. − Inactive various harmful airborne elements including allergen, viruses and bacteria. − Generated supersonic wavesenhance the ability to collect dust and dirt in the air. 12.3. Indoor Fan Motor And Cross Flow Fan Removal Procedures 64 12.4. Auto OFF/ON Button 65 12.5. Remote Control Reset 66 13 Troubleshooting Guide 67 13.1. Refrigeration Cycle System 67 13.2. Relationship Between The Condition Of The Air Conditioner And Pressure And Electric Current 68 13.3. Diagnosis Methods Of A Malfunction Of A Compressor And 4-way Valve 68 14 Technical Data 69 14.1. Thermostat Characteristics 69 14.2. Operation Characteristics 70 15 Exploded View (Indoor Unit) 73 15.1. CS-A7DKD CS-A9DKD CS-A12DKD 73 16 Replacement Parts List (Indoor Unit) 74 17 Exploded View (Outdoor Unit) 75 17.1. CU-A7DKD CU-A9DKD 75 17.2. CU-A12DKD 76 18 Replacement Parts List (Outdoor Unit) 77 19 Electronic Circuit Diagram 79 19.1. Indoor Unit & Outdoor Unit 79 19.2. Remote Control 85 19.3. Print Pattern Indoor Unit Printed Circuit Board 86 19.4. Print Pattern Indicator & Receiver Printed Circuit Board 88 • Quality Improvement − Random auto restart after power failure for safety restart operation. − Gas leakage protection. − Prevent Compressorreverse cycle. − Inner protector to protect Compressor. − Noise prevention during soft dry operation. − Blue Coated Condenser for high resistance to corrosion. • Operation Improvement − Quiet mode to provide quiet operation. − Powerful mode to reach the desired room temperature quickly. − Ionizer control for generating negative ion in discharge air. − 24-hour timer setting. • Serviceability Improvement − Removable and washable Front Panel. 1 Features 2 CS-A7DKD CU-A7DKD / CS-A9DKD CU-A9DKD / CS-A12D KD CU-A12D KD /
2 Functions 2.1. Remote Control 3 CS-A7DKD CU-A7DKD / CS-A9DKD CU-A9DKD / CS-A12D KD CU-A12D KD /
2.2. Indoor Unit Automatic Operation Button • Press for < 5 second to operate Automatic operation mode. Used when the remote control cannot be used. • Press for ≥ 5 second to operate Cooling operation mode and compressor force to on (“beep” sound will heard). Used when test running or servicing. • Within 20 second of Cooling operation, press continuously for 5 second to enter various setting mode. “beep, beep” sound will be heard. (Used to toggle remote control signal receiving sound or select remote control transmission code). AUTO OFF / ON Operation Indication Lamps (LED) 7 Minutes Time Save Control • To reduce the built up humidity inside the room. Anti-Dew Formation Control • Anti-Dew Formation Control for indoor unit discharge area. Timer Operation • Delay OFF/ON Timer control. Powerful Operation • Reaches the desired room temperature quickly. Anti-Freezing Control • To prevent indoor heat exchanger from freezing. Random Auto Restart Control • Unit will be restarted, when resume from power failure, at previous setting. Indoor Fan Speed Control • Manual control fan speed (High, Medium and Low). • Automatic fan speed. • Vertical airflow control can be adjusted automatically or manually by remote control. • Horizontal airflow can be manually adjusted by hand. Airflow Direction Control Time Delay Safety Control • Restarting is inhibited for appro. 3 minutes. Hot-Start Control • To prevent cold air being discharge during Heating operation starts. Starting Current Control • To reduce the starting current. Anti Cold Draft Control • To prevent the cold draft during Heating mode operation in thermo off condition. Operation Mode • Heating, Cooling, Soft Dry and Automatic Operation. 30 Minutes Time Save Control • Heating operation only. Quiet Operation • To provide quiet operation. Ionizer Operation • Generate and discharge negative ion. •POWER (Green) ............. Lights up in operation, blinks in Automatic Operation judging and Hot Start operation. •TIMER (Orange) ............ Lights up in Timer Setting. •QUIET (Orange) ............. Lights up in Quiet Operation. •POWERFUL (Orange) ...... Lights up in Powerful Operation. •ION (Green) .................. Lights up in Ionizer Operation. •SUPER ALLERU-BUSTER (Blue) ... Lights up in operation. 4 CS-A7DKD CU-A7DKD / CS-A9DKD CU-A9DKD / CS-A12D KD CU-A12D KD /
2.3. Outdoor Unit 5 CS-A7DKD CU-A7DKD / CS-A9DKD CU-A9DKD / CS-A12D KD CU-A12D KD /
3 Product Specifications 3.1. CS-A7DKD CU-A7DKD UnitIndoor UnitOutdoor Unit Power Source (Phase, Voltage, Cycle)ø, V, HzSingle, 220 - 230, 50 Cooling CapacitykW (BTU/h)2.00 - 2.00 (6,820 - 6,820) Heating CapacitykW (BTU/h)2.10 - 2.10 (7,160 - 7,160) Moisture Removall/h (Pint/h)1.3 (2.7) Airflow MethodOUTLET INTAKE SIDE VIEWTOP VIEW Air VolumeLom3/min (cfm)Cooling; 5.8 (205) - 5.8 (205) Heating; 6.2 (219) - 6.2 (219)— Mem3/min (cfm)Cooling; 6.8 (241) - 6.8 (241) Heating; 6.8 (241) - 6.8 (241)— Him3/min (cfm)Cooling; 7.8 (280) - 7.8 (280) Heating; 9.0 (320) - 9.0 (320)Cooling; 29.5 (1,040) - 30.0 (1,060) SHim3/min (cfm)Cooling; 9.1 (320) - 9.1 (320) Heating; —— Noise LeveldB (A)Cooling; High 33 - 33, Low 26 - 26 Heating; High 36 - 36, Low 28 - 28Cooling; High 46 - 47 Heating; High 48 - 49 Power level dBCooling; High 46 - 46 Heating; High 49 - 49Cooling; High 61 - 62 Heating; High 64 - 65 Electrical DataInput PowerkWCooling; 0.61 - 0.63 Heating; 0.50 - 0.525 Running CurrentACooling; 2.9 - 2.8 Heating; 2.4 - 2.4 EERW/W (BTU/hW)Cooling; 3.28 - 3.17 (11.2 - 10.8) COP- (BTU/hW)Heating; 4.2 - 4.0 (14.3 - 13.6) Starting CurrentA12.4 Piping Connection Port (Flare piping)inch inchG ; Half Union 3/8” L ; Half Union 1/4”G ; 3-way valve 3/8” L ; 2-way valve 1/4” Pipe Size (Flare piping)inch inchG ; (gas side) 3/8” L ; (liquid side) 1/4”G ; (gas side) 3/8” L ; (liquid side) 1/4” Drain HoseInner diametermm12— Lengthmm650— Power CordLengthm1.9— Number of core-wire3 (1.5 mm2)— DimensionsHeightinch (mm)11 - 1/32 (280)20 - 3/32 (510) Widthinch (mm)31 - 15/32 (799)25 - 19/32 (650) Depthinch (mm)7 - 7/32 (183)9 - 1/16 (230) Net Weightlb (kg)20 (9.0)53 (24) CompressorDescription—Rotary (1 cylinder) rolling piston type MotorType—Induction (2-poles) RatedOutputW—550 6 CS-A7DKD CU-A7DKD / CS-A9DKD CU-A9DKD / CS-A12D KD CU-A12D KD /
UnitIndoor UnitOutdoor Unit Fan MotorDescriptionCross-flow FanPropeller Fan MaterialAS + Glass Fiber 20%PP Resin TypeInduction (4-poles)Induction (6-poles) InputW60.5 - 66.066 - 74.8 RatedOutputW1530 Fan SpeedLowrpmCooling; 780 - 780 Heating; 840 - 840— MediumrpmCooling; 920 - 920 Heating; 920 - 920— HighrpmCooling; 1,050 - 1,050 Heating; 1,220 - 1,220800 - 830 SuperHighrpmCooling; 1,220 - 1,220 Heating; —— Heat ExchangerDescriptionEvaporatorCondenser Tube materialCopperCopper Fin materialAluminium (Pre Coat)Aluminium (Blue Coat) Fin TypeSlit FinCorrugated Fin Row / Stage(Plate fin configuration, forced draft) 2×152×23 FPI2117 Size (W × H × L)mm610 × 315 × 25.4585.7 557.1× 484 × 36.4 Refrigerant Control Device—Capillary Tube Refrigeration Oil(cm3)—ATMOS M60 OR SUNISO 4GDID Refrigerant (R22)g (oz)—690 (24.3) Thermostat—— Protection Device—Overload Protector Capillary TubeLengthmm—Cooling; 330, Heating; 566 Flow Ratel/min—Cooling; 20.6, Heating; 9.5 Inner Diametermm—Cooling; 1.7, Heating; 1.4 Air FilterMaterial StyleP.P. Honeycomb— Capacity ControlCapillary Tube Compressor CapacitorµF, VAC—20 µF, 370VAC Fan Motor CapacitorµF, VAC1.5 µF, 440VAC2.0 µF, 440VAC Note: • Specifications are subjected tochange without prior notice for further improvement. 7 CS-A7DKD CU-A7DKD / CS-A9DKD CU-A9DKD / CS-A12D KD CU-A12D KD /
3.2. CS-A9DKD CU-A9DKD UnitIndoor UnitOutdoor Unit Power Source (Phase, Voltage, Cycle)ø, V, HzSingle, 220 - 230, 50 Cooling CapacitykW (BTU/h)2.65 -2.65 (9,040 - 9,040) Heating CapacitykW (BTU/h)2.80 - 2.85 (9,550 - 9,720) Moisture Removall/h (Pint/h)1.6 (3.4) Airflow MethodOUTLET INTAKE SIDE VIEWTOP VIEW Air VolumeLom3/min (cfm)Cooling; 5.8 (204) - 5.8 (204) Heating; 6.2 (220) - 6.2 (220)— Mem3/min (cfm)Cooling; 7.1 (251) - 7.1 (251) Heating; 7.1 (251) - 7.1 (251)— Him3/min (cfm)Cooling; 8.6 (300) - 8.6 (300) Heating; 9.4 (330) - 9.4 (330)Cooling; 29.5 (1,040) - 30.0 (1,060) SHim3/min (cfm)Cooling; 9.4 (333) - 9.4 (333) Heating; —— Noise LeveldB (A)Cooling; High 36 - 36, Low 26 - 26 Heating; High 38 - 38, Low 28 - 28Cooling; High 48 - 49 Heating; High 48 - 49 Power level dBCooling; High 49 - 49 Heating; High 51 - 51Cooling; High 63 - 64 Heating; High 64 - 65 Electrical DataInput PowerkWCooling; 0.83 - 0.86 Heating; 0.70 - 0.74 Running CurrentACooling; 3.9 - 3.9 Heating; 3.3 - 3.3 EERW/W (BTU/hW)Cooling; 3.19 - 3.08 (10.9 - 10.5) COP- (BTU/hW)Heating; 4.00 - 3.85 (13.6 - 13.1) Starting CurrentA18.0 Piping Connection Port (Flare piping)inch inchG ; Half Union 3/8” L ; Half Union 1/4”G ; 3-way valve 3/8” L ; 2-way valve 1/4” Pipe Size (Flare piping)inch inchG ; (gas side) 3/8” L ; (liquid side) 1/4”G ; (gas side) 3/8” L ; (liquid side) 1/4” Drain HoseInner diametermm12— Lengthmm650— Power CordLengthm1.9— Number of core-wire3 (1.5 mm2)— DimensionsHeightinch (mm)11 - 1/32 (280)20 - 3/32 (510) Widthinch (mm)31 - 15/32 (799)25 - 19/32 (650) Depthinch (mm)7 - 7/32 (183)9 - 1/16 (230) Net Weightlb (kg)20 (9.0)60 (27) CompressorDescription—Rotary (1 cylinder) rolling piston type MotorType—Induction (2-poles) RatedOutputW—750 8 CS-A7DKD CU-A7DKD / CS-A9DKD CU-A9DKD / CS-A12D KD CU-A12D KD /
UnitIndoor UnitOutdoor Unit Fan MotorDescriptionCross-flow FanPropeller Fan MaterialAS + Glass Fiber 20%PP Resin TypeInduction (4-poles)Induction (6-poles) InputW60.5 - 66.066 - 74.8 RatedOutputW1530 Fan SpeedLowrpmCooling; 780 - 780 Heating; 840 - 840— MediumrpmCooling; 960 - 960 Heating; 960 - 960— HighrpmCooling; 1,160 - 1,160 Heating; 1,270 - 1,270800 - 830 SuperHighrpmCooling; 1,270 - 1,220 Heating; —— Heat ExchangerDescriptionEvaporatorCondenser Tube materialCopperCopper Fin materialAluminium (Pre Coat)Aluminium (Blue Coat) Fin TypeSlit FinCorrugated Fin Row / Stage(Plate fin configuration, forced draft) 2×152×23 FPI1917 Size (W × H × L)mm610 × 315 × 25.4585.7 557.1× 484 × 36.4 Refrigerant Control Device—Capillary Tube Refrigeration Oil(cm3)—ATMOS M60 OR SUNISO 4GDID Refrigerant (R22)g (oz)—730 (25.8) Thermostat—— Protection Device—Overload Protector Capillary TubeLengthmm—Cooling; 890, Heating; 890 Flow Ratel/min—Cooling; 9.5, Heating; 9.5 Inner Diametermm—Cooling; 1.5, Heating; 1.5 Air FilterMaterial StyleP.P. Honeycomb— Capacity ControlCapillary Tube Compressor CapacitorµF, VAC—30 µF, 370VAC Fan Motor CapacitorµF, VAC1.5 µF, 440VAC2.0 µF, 440VAC Note: • Specifications are subjected tochange without prior notice for further improvement. 9 CS-A7DKD CU-A7DKD / CS-A9DKD CU-A9DKD / CS-A12D KD CU-A12D KD /
3.3. CS-A12DKD CU-A12DKD UnitIndoor UnitOutdoor Unit Power Source (Phase, Voltage, Cycle)ø, V, HzSingle, 220 - 230, 50 Cooling CapacitykW (BTU/h)3.52 - 3.54 (12,000 - 12,100) Heating CapacitykW (BTU/h)4.00 - 4.05 (13,650 - 13,810) Moisture Removall/h (Pint/h)2.0 (4.2) Airflow MethodOUTLET INTAKE SIDE VIEWTOP VIEW Air VolumeLom3/min (cfm)Cooling; 6.7 (236) - 6.7 (236) Heating; 7.1 (251) - 7.1 (251)— Mem3/min (cfm)Cooling; 8.3 (294) - 8.3 (294) Heating; 8.3 (293) - 8.3 (293)— Him3/min (cfm)Cooling; 9.5 (340) - 9.5 (340) Heating; 9.7 (340) - 9.7 (340)Cooling; 32.5 (1,150) - 33.5 (1,180) SHim3/min (cfm)Cooling; 9.7 (343) - 9.7 (343) Heating; —— Noise LeveldB (A)Cooling; High 39 - 39, Low 29 - 29 Heating; High 40 - 40, Low 29 - 29Cooling; High 48 - 49 Heating; High 48 - 49 Power level dBCooling; High 52 - 52 Heating; High 53 - 53Cooling; High 63 - 64 Heating; High 64 - 65 Electrical DataInput PowerkWCooling; 1.08 - 1.15 Heating; 1.09 - 1.12 Running CurrentACooling; 5.1 - 5.1 Heating; 5.2 - 5.1 EERW/W (BTU/hW)Cooling; 3.26 - 3.16 (11.1 - 10.8) COPW/W (BTU/hW)Heating; 3.67 - 3.62 (12.5 - 12.3) Starting CurrentA27.0 Piping Connection Port (Flare piping)inch inchG ; Half Union 1/2” L ; Half Union 1/4”G ; 3-way valve 1/2” L ; 2-way valve 1/4” Pipe Size (Flare piping)inch inchG ; (gas side) 1/2” L ; (liquid side) 1/4”G ; (gas side) 1/2” L ; (liquid side) 1/4” Drain HoseInner diametermm12— Lengthmm650— Power CordLengthm1.9— Number of core-wire3 (1.5 mm2)— DimensionsHeightinch (mm)11 - 1/32 (280)21 - 1/4 (540) Widthinch (mm)31 - 15/32 (799)30 - 23/32 (780) Depthinch (mm)7 - 7/32 (183)11 - 3/8 (289) Net Weightlb (kg)20 (9.0)82 (37) CompressorDescription—Rotary (1 cylinder) rolling piston type MotorType—Induction (2-poles) RatedOutputW—950 10 CS-A7DKD CU-A7DKD / CS-A9DKD CU-A9DKD / CS-A12D KD CU-A12D KD /