Panasonic Cs W7bkp Cs W9bkp Cs W12bkp Repair Manual

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;...

4 Dimensions
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CS-W7BKP CU-W7BKP5 / CS-W9BKP CU-W9BKP5 / CS-W12BKP CU-W12BKP5 

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CS-W7BKP CU-W7BKP5 / CS-W9BKP CU-W9BKP5 / CS-W12BKP CU-W12BKP5 

5 Refrigeration Cycle Diagram
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CS-W7BKP CU-W7BKP5 / CS-W9BKP CU-W9BKP5 / CS-W12BKP CU-W12BKP5 

6 Block Diagram
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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...

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...

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...

Cooling Operation Time Diagram
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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...