Panasonic Cs W7dkr Cs W9dkr Cs W7dkr Series Repair Manual

 • Auto Fan Speed during cooling operation:
 1. Indoor fan will rotate alternately between off and on as shown in below diagram.
 2. At the beginning of each compressor start operation, indoor fan will increase fan speed gradually for deodorizing purpose.
 3. For the first time the compressor operate, indoor fan will be switched to Hi fan speed from Lo- after 70 seconds from the
start of compressor. This cause the room temperature to achieve the setting temperature quickly.
 4. During compressor stop,...

(Cooling and Soft Dry Operation condition)
 • W hen the vertical airflow direction is set to Auto using the
remote control, the louver swings up and down as shown in
the diagram.
 • W hen stop operation using the remote control, the
discharge vent is reset, and stop at the closing position .
 • During Cooling operation or Soft Dry operation, indoor fan
motor may stop to rotate at certain periods. At that
conditio n, the louver will stop swinging and rest at the upper
limit.
 • During Anti-dew conden...

(Heating Operation condition)
 • W hen the piping air temperature reaches 38°C, the
louver is changed from upper to lower limit.When the
piping air temperature falls to 35°C, the louver is
changed from lower to upper limit.
Cooling and Soft Dry Operation
(Cooling and Soft Dry Operation condition)Heating Operation
Heating Operation
8.8.2. Manual Control
 • W hen the vertical airflow direction is set to Manua l using the remote control, the automatic airflow is released and the airflow
direction louver...

 • Vertical Airflow Direction:-
 − In“Manual”setting, the vane will automatically shift down 5°lower than previous setting.
 − In“Auto”setting, the vane will automatically shift between upper and lower limit depend ing on the intake air temperature
as Heating Mode, Airflow Direction Auto-Control. However the upper and lower limit will be shifted 5°downward.
 • Powerful operation stops when:-
 − Powerful operation has operate for 15 minutes.
 − Powerful button is pressed again.
 − Quiet button is...

8.11. Quiet Operation
 • The Quiet operation is to provide quiet cooling/heatin g operation conditio n compare to normal operation.
(Cooling and Soft Dry Operation condition)
 • Once the Quiet Mode is set at the remote control, Quiet Mode LED illuminates. The sound level will reduce either around
2 dB(A) for Lo fan speed or 3 dB(A) for Hi/Me fan speed against the present sound level operation.
 • Dew formation become severe at Quiet Lo cool, therefore Quiet Lo cool is operated only 1hr 30 min (1hr QLo,...

(Heating Operation condition)
 • W hen the Quiet Mode is set at the remote control, Quiet Mode LED illuminates. The sound level will reduce either around
2 dB (Lo) or 3 dB (Hi, Me), against the present sound level operation.
 • Quiet setting of fan speed rpm refer to Indoor Fan Speed Control.
 • Manual Fan Speed: -
 − Rpm control during Lo, Me & Hi Cool
 • Auto Fan Speed: -
 − Rpm control depend s on the piping air temperature sensor of Indoor heat exchan ger
 • Quiet operation stops when:-
 − Quiet...

8.12. Ionizer Operation
 • The Ionizer operation is to provide fresh air effect to user by producing minus ion in discharge air.
8.12.1. Operation Control
 1. Ionizer individu al operation
 a. When air-conditioner unit is at“OFF”conditio n (standby) and ION operation button at the remote control is pressed, the
Ionizer and indoor fan operations will turn on. Only ION LED will illuminates. Power LED maintainoff. (1
→2)
 b. Ionizer individu al operation can be turned off by pressing the ION button again....

8.12.2. Error Detection Control
 • The error detection control is to inform user that error occurs at ionizer system and repairing job will be needed .
 • There are two types of error detection control:
a. WhenIonizer is ON
 − If ionizer feedba ck = Lo for 24 times within 11hr 30min, ION LED blinks continuously.
b. Whenionizer is OFF
 − If ionizer feedba ck = Hi, ION LED blinks continuously.
 • During ionizer at breakdown conditio n, if ionizer feedba ck voltage = Lo (become normal), ION LED will stop...

9 Operating Instructions
(GB Standard)
This sign warns of death 
or serious injury.
The appliance is not intended for use by young children or infi rm 
person without supervision. Young children should be supervised to 
ensure that they do not play with the appliance.
Replacement or installation of power plugs shall be performed by 
authorized/qualifi ed personnel only. The wires in this mains lead are 
coloured in accordance with the following code: To prevent personal injury, 
injury to others and...

Q
UI
ETPOW
ER
FU
LIO
NT
I
ME
R
PO
W
ER
CANCEL
O
FF
TIMERON
TIMER
FA N
SPEED
AIR
SW
INGA
UTO
DRY COOL
MODE
TIMER
ON
123
OFF
CL
OCK RE
SET
SE
T
CANCEL
TEMP
PO
WE
RFULFA
NSPEED
AIR SWING
OFF/ON
QUIET
QUIETPOWERFULIONSUPERALLERU-BUSTERTIMER POWER
Air intake
Airflow direction louver
Ionizer Air filterFront panelIIndoor Unitndoor Unit
OutdoorOutdoor Unit Unit
Air inlet (rear)
Air outlet
LCD display
Off/On
Fan speed selection
Clock setting
Memory resetTemperature setting Powerful operationOperation mode
Quiet...