Panasonic Cs W7bkp Cs W9bkp Cs W12bkp Repair Manual
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DimensionsHeightinch (mm)10 - 13/16 (275)21 - 1/4 (540) Widthinch (mm)31 - 15/32 (799)30 - 23/32 (780) Depthinch (mm)8 - 9/32 (210)11 - 3/8 (289) Net Weightlb (kg)20 (9.0)77 (35) CompressorType—Rotary (1 cylinder) rolling piston type MotorType—Induction (2-poles) RatedOutputW—780 Air CirculationTypeCross-flow FanPropeller Fan MaterialAS + Glass Fiber 20%PP Resin MotorTypeInduction (4-poles)Induction (6-poles) InputW49.267.4 RatedOutputW1533 Fan SpeedLowrpmCooling; 900— Heating; 960 MediumrpmCooling; 1,120— Heating; 1,120 HighrpmCooling; 1,260835 - 845 Heating; 1,300 SuperHighrpmCooling; 1,300— Heating; 1,300 Heat ExchangerDescriptionEvaporatorCondenser Tube materialCopperCopper Fin materialAluminium (Pre Coat)Aluminium (Blue Coat) Fin TypeSlit FinCorrugate Fin Row / Stage(Plate fin configuration, forced draft) 2×152×24 FPI2117 Size (W × H × L)mm610 × 315 × 25.4705.8 735.1× 504 × 18.9 Refrigerant Control Device—Capillary Tube Refrigeration Oil(cm3)—FVC68D (330) Refrigerant (R-410A)g (oz)—1,060 (37.4) ThermostatElectronic Control— Protection Device—Overload Protector Capillary TubeLengthmm—Cooling; 630, Heating; 455 Flow Ratel/min—Cooling; 6.5, Heating; 13.6 Inner Diametermm—Cooling; 1.2, Heating; 1.5 Air FilterMaterial StyleP.P. Honeycomb— Capacity ControlCapillary Tube Compressor CapacitorµF, VAC—35 µF, 370VAC Fan Motor CapacitorµF, VAC1.5 µF, 400VAC2.0 µF, 450VAC • Specifications are subjectto change without notice for further improvement. 11 CS-W7BKP CU-W7BKP5 / CS-W9BKP CU-W9BKP5 / CS-W12BKP CU-W12BKP5
4 Dimensions 12 CS-W7BKP CU-W7BKP5 / CS-W9BKP CU-W9BKP5 / CS-W12BKP CU-W12BKP5
13 CS-W7BKP CU-W7BKP5 / CS-W9BKP CU-W9BKP5 / CS-W12BKP CU-W12BKP5
5 Refrigeration Cycle Diagram 14 CS-W7BKP CU-W7BKP5 / CS-W9BKP CU-W9BKP5 / CS-W12BKP CU-W12BKP5
6 Block Diagram 15 CS-W7BKP CU-W7BKP5 / CS-W9BKP CU-W9BKP5 / CS-W12BKP CU-W12BKP5
REMARKS B: BLUE BR: BROWN BL: BLACK GRY: GRAY O: ORANGE P: PINK R: RED W: WHITE Y/G: YELLOW/GREEN Resistance of Indoor Fan Motor Windings MODELCS-W7BKP CS-W9BKP CS-W12BKP CONNECTIONCWA921060 BLUE-YELLOW371.0Ω YELLOW-RED386.6Ω Note: Resistance at 20°C of ambient temperature. Resistance of Outdoor Fan Motor Windings MODELCU-W7BKP5 CU-W9BKP5CU-W12BKP5 CONNECTIONCWA951087CWA951086 BLUE-YELLOW249.8Ω195.9Ω YELLOW-RED288.6Ω206.6Ω Note: Resistance at 20°C of ambient temperature. Resistance of Compressor Windings MODELCU-W7BKP5 CONNECTIONGB080PAA C-R4.96Ω C-S4.67Ω Note: Resistance at 25°C of ambient temperature. MODELCU-W9BKP5 CONNECTIONGB102PAA C-R3.77Ω C-S4.02Ω Note: Resistance at 25°C of ambient temperature. MODELCU-W12BKP5 CONNECTIONGB134PAA C-R(Main)3.27Ω C-S(Sub)3.02Ω Note: Resistance at 25°C of ambient temperature. 7 Wiring Diagram 16 CS-W7BKP CU-W7BKP5 / CS-W9BKP CU-W9BKP5 / CS-W12BKP CU-W12BKP5
Cooling in operation according to Remote Control setting. Time Delay Safety Control (3 minutes) 7 minutes Time Save Control Starting Current Control Anti-Freezing Control • If the temperature of the indoor heat exchanger falls continuously below 2°C for 4 minutes or more, the compressor turns off to protect the indoor heat exchanger from freezing. The fan speed setting remains the same. • Compressor will restart again when the indoor heat exchanger temperature rises to 10°C (Recovery). 3 minutes waiting ofTime Delay Safety Control is valid for Cooling Operation. Compressor Reverse Rotation Protection Control 8 Operation Details 8.1. Cooling Mode Operation • When the compressor is stopped by Remote Control, it restarts after 3 minutes when it is turned ON by Remote Control. • When the setting temperature is reached during cooling operation, the compressor stops and it will not start for 3 minutes. • The compressor will startautomatically if it has stopped for 7 minutes evenif the room temperature is between the compressor ON temperature and OFF temperature. • When the compressor outdoor fan motor and indoor fan motor are simultaneously started, the indoor fan motor will operate 1.6 second later. • If the compressor is operating continuously for 5 minutes or longer and the temperature difference between intake air and indoor heat exchanger is 2.5°C or less for2 minutes, compressor willstop and restart automatically. (Time DelaySafety Controlis valid) sT = Intake air temperature - Indoor heat exchanger temperature This is to protect reverse rotation of the compressor when there is a instantaneous power failure. 17 CS-W7BKP CU-W7BKP5 / CS-W9BKP CU-W9BKP5 / CS-W12BKP CU-W12BKP5
Compressor Protection Control Anti-Dew Formation Control Automatic Fan Speed Mode • After the compressor starts for 50 seconds but the outdoorfan motor is still OFF, the compressor will stop and restart automatically. (Time Delay SafetyControl is valid). • If the above phenomenon is repeated for3 times, the compressorwill stop totally. • The above phenomenon is reset when there is achange to heating mode or stopped by Remote Control Switch. • Purpose is to prevent dew formation on indoor unit air discharge area. • When the following conditions occur for 30 minutes continuously, anti-dew formation is controlled by indoor fan speed shift to low (CLo to HLo): − Indoor intake air temperature is more than 24°C and less than 30°C. − Remote Control setting temperature is less than 25°C. − Compressor is on. − Cooling operation mode. − Indoor Fan motor operate at Low fan speed. • This control iscancelled immediately when abovecondition is changed. When Automatic Fan Speed is selected at Remote Control during cooling operation. • Fan speed rotates in the range of Hi to Me. • Deodorizing Control. 18 CS-W7BKP CU-W7BKP5 / CS-W9BKP CU-W9BKP5 / CS-W12BKP CU-W12BKP5
Cooling Operation Time Diagram 19 CS-W7BKP CU-W7BKP5 / CS-W9BKP CU-W9BKP5 / CS-W12BKP CU-W12BKP5
Time Delay Safety Control Starting Current Control Anti-Freezing Control Compressor Reverse Rotation Protection Control Compressor Protection Control Anti-Dew Formation Control Automatic Fan Speed Mode 8.2. Soft Dry Mode Operation • The unit starts cooling operation until the room temperature reaches the setting temperature set on the Remote Control, and then Soft Dry operation will start. • During Soft Dry operation, the Indoor Fan will operate at SLo speed. • The operation will be switched on and off for up to 10 minutes “ON” and 6 minutes “OFF”. Once Soft Dry operation is turned off, it stops for 6 minutes. • Once the compressor stops, it will not start for 3 minutes during Cooling operation. • Same as Starting Current Control for Cooling Mode operation. • Same as Anti-Freezing Control for Cooling Mode operation. (For Soft Dry region, 6 minutes waiting is valid during compressor stops.) • Same as Compressor Reverse Rotation Protection Control for Cooling Mode Operation. (For Soft Dry region, 6 minutes waiting is valid during compressor stops.) • Same as Compressor Protection Control for Cooling Mode Operation. • Same as Anti-Dew Formation Control for Cooling Mode Operation. When Automatic Fan Speed is selected at Remote Control during Soft Dry operation. • Fan speed rotates at SLo speed. • Deodorizing Control. 20 CS-W7BKP CU-W7BKP5 / CS-W9BKP CU-W9BKP5 / CS-W12BKP CU-W12BKP5