Panasonic Cs W7bkp Cs W9bkp Cs W12bkp Repair Manual

Soft Dry Operation Time Diagram
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CS-W7BKP CU-W7BKP5 / CS-W9BKP CU-W9BKP5 / CS-W12BKP CU-W12BKP5 

Heating in operation according to Remote Control setting.
Time Delay Safety Control
30 minutes Time Save Control
Overload Protection Control
Compressor Reverse Rotation Protection Control
4-way Valve Control
Outdoor Fan Motor Control
Indoor Fan Motor Control
8.3. Heating Mode Operation
 • When the compressor is stopped by Remote Control, it restarts after 3 minutes when the Remote Control is turned ON.
 • When the setting temperature is reached during heating operation, the compressor stops and it will...

Hot Start Control
Anti ColdDraft Control
When Heating operation starts, Indoor Fan will not start until the indoor heat exchanger reaches 30°C as diagram shown.
Hot Start is completed when indoor heat exchanger rises to 39°C or over 4 minutes.
 • This operation is to prevent the Cold Draft during Heating mode operation.
 • The operation will start when compressor OFF (Thermo OFF) during Heating operation.
 • For the first 30 sec. from compressor OFF (Thermo OFF), Indoor fan speed will operate accordingly...

Automatic Fan Speed Mode
Heating Operating Time Diagram
When Automatic Fan Speed is selected at Remote Control during heating operation.
 • Fan speed rotates in the range of Me→SLo according to the heat exchanger temperature.
 • If use Manual Fan Speed,at above diagram will operate with setting Fan Speed.
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CS-W7BKP CU-W7BKP5 / CS-W9BKP CU-W9BKP5 / CS-W12BKP CU-W12BKP5 

Deicing Control
Deice starts to prevent frosting at outdoor heat exchanger.
 • Normal Deicing
Deice operations detection commences after 30 minutes of Heating operation starts or 60 minutes after previous deice
operation. If the TRS (Thermal Reed Switch) senses the outdoorpiping temperature drops to -3°C (TRS CLOSE) or less for
50 sec. continuously during compressor isin operation, deice will start.
(There is no detection during Outdoor Fan stops.)
 • Overload Deicing
During heating operation, if the...

Normal Deicing Time Diagram
Overload Deicing Time Diagram
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CS-W7BKP CU-W7BKP5 / CS-W9BKP CU-W9BKP5 / CS-W12BKP CU-W12BKP5 

8.4. Automatic Mode Operation
 1. When the Automatic Mode Operation is selected, the indoor fan operates at SLo fan speed for 25 seconds to sense intake air
temperature and determine the 1st operation mode.
 2. Operation mode will be determine again after 1 hour of operation, if the room temperature reaches to set temperature and
compressor off time is over 7minutes 30 seconds continuously.
The present operation mode will be continued, if the room temperature does not reach to set temperature (Compressor...

Cooling or Soft Dry Operation
Purpose is to obtain a comfortable room temperature while
sleeping. When you press the SLEEP Mode, the following
movement will start to avoid overcooling.
 • Sleep shift operation starts, when the room temperature
reaches the setting temperature or after 1 hour of operation.
 • The setting temperature will be risen by0.5°C at the start of
operation and by0.5°C one hour later .
 • The airflow volume will automatically change to Lo fan
speed.
 • Sleep Mode operation time...

8.8. Remote Control Signal Receiving Sound
 • Long beep sound will be heard when:-
 − Stopping the Air Conditioner using ON/OFF switch.
 − Stopping the Sleep Mode.
 − Stopping the Powerful Mode.
 − Stopping the Economy Mode.
 • Short beep sound will be heard for others.
 • To switch off the beep sound:-
Press the “Automatic Operation Button” continuously for 10 seconds ormore (“beep” “beep” will beheard at the 10th second).
Repeat the above if you want to switch ON the beep sound.
However, if the...

 1. Vertical Airflow Direction
 • The louver swings up and down as shown above.
 • The louver does not swing when the Indoor Fan stops
during operation at the upper limit.
Heating Mode
 • When the intake air temp. reaches 38°C, the louver is
changed from upper to lower limit. When the intake air
temp falls to 35°C, the louver is changed from lower to
upper limit.
 2. Horizontal Airflow Direction
 • The louver can be selected between 14° - 36° (as
shown above) when pressing Manual Airflow Direction...