Panasonic Cs A7gkd Cs A9gkd Cs A12gkd Series Repair Manual

41
12.6. Indoor Fan Speed Control
• Indoor Fan Speed can be set using remote control.
12.6.1. Fan Speed Rotation Chart
12.6.2. Automatic Fan Speed Control
• When set to Auto Fan Speed, the fan speed is adjusted between maximum and minimum setting as shown in the table.
- Fan speed rotates in the range of Hi, Me and Lo-.
- Deodorizing Control will be activated.
Fan Speed (rpm) CS-A7GKD CS-A9GKD CS-A12GKD
S Hi 1190 1300 1320
Hi 1030 1210 1300
Me 920 1000 1120
H Lo 840 890 860
C Lo 780 830 800
Lo- 750 780...

42 • 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,...

43 • Auto Fan Speed during Heating operation.
1. Indoor fan will rotate in the range of SLo → Me according to the heat exchanger temperature.
12.6.3. Manual Fan Speed Control
• Manual fan speed adjustment can be carried out by using the Fan Speed selection button at the remote control.
• There are 3 types of fan speed settings: Lo, Me, Hi.
12.7. Outdoor Fan Speed Control
•There is only one speed for outdoor fan motor.
• When the air conditioner is turned on, the compressor and the outdoor fan will...

44 (Heating Operation condition)
• When 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.Heating Operation
12.8.2. Manual Control
• When the vertical airflow direction is set to Manual using the remote control, the automatic airflow is released and the airflow
direction louver move up and down in the range shown in the diagram.
• The louver can be adjusted by pressing...

45 • The Fan Speed will shift as shown below:
• 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 depending 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...

46
12.11. Quiet Operation
(For Cooling Operation or cooling region of Soft Dry Operation)
•To provide quiet cooling operation condition compare to normal operation.
• Once the Quiet Mode is set at the remote control, the Quiet Mode LED illuminated. The sound level will reduce around 2 dB(A)
for Lo fan speed or 3 dB(A) for Hi/Me fan speed against the present operation sound level.
• Dew formation become severe at Quiet Lo cool, therefore Quiet Lo cool is operated only 1hr 30 min (1hr QLo, 30 min QLo + 50...

47 (Heating Operation condition)
• When 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 depends on the piping air temperature sensor of Indoor heat exchanger
• Quiet operation stops when:-
- Quiet button is...

48
12.12. Timer Control
12.12.1. ON Timer
• When the ON Timer is set by using the remote control, the unit will start to operate slightly before the set time, so that the room
• will reach nearly to the set temperature by the set time.
• For Cooling and Soft Dry operation, the operation will start 15 minutes before the set time.
• For Automatic operation, the indoor fan will operate at SLo speed for 20 seconds, 30 minutes before the set time to detect the
intake air temperature to determine the operation...

49
12.15. Patrol Operation
1. Purpose
To monitor air dirtiness level by using gas sensor and activates e-ion operation whenever air is dirty.
2. Control Condition
a. Patrol operation start condition
• When the unit operation is started with “OFF/ON” button.
• When the unit stops, “Patrol” button is pressed, Patrol individual operation will start.
• During cooling only operation, “Patrol” button is pressed.
b. Patrol operation stop condition
When any of the following condition is fulfilled:
• When...

50 3. Control Content
a. Gas Sensor Control
• First 2 minutes from Patrol function activates is stabilization time, during stabilization time, no air dirtiness level is
monitored. The Air Dirtiness level is set to level 2.
• After that, gas sensor starts to record the resistance value at fixed interval. Higher resistance value indicates cleaner air.
• The air dirtiness level is monitored by comparing the current resistance value with maximum resistance value from time to
time to get the Air Dirtiness...