Panasonic CS-C7HKD / CS-C9HKD / CS-C12HKD / CU-C7HKD / CU-C9HKD / CU-C12HKD Service Manual ▷ View online
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12 Operation Control
12.1. Cooling Operation
• Cooling operation can be set using remote control.
• This operation is applied to cool down the room temperature reaches the setting temperature set on the remote control.
• The remote control setting temperature, which takes the reading of intake air temperature sensor, can be adjusted from 16
• This operation is applied to cool down the room temperature reaches the setting temperature set on the remote control.
• The remote control setting temperature, which takes the reading of intake air temperature sensor, can be adjusted from 16
°C to
30
°C.
• During cooling operation, the compressor will stop running and restart as shown in figure below.
12.1.1.
Cooling Operation Time Diagram
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12.2. Soft Dry Operation
• Soft Dry operation can be set using remote control.
• Soft Dry operation is applied to dehumidify and to perform a gentle cooling to the room.
• This operation starts when the intake air temperature sensor reaches the setting temperature on the remote control.
• When operation begins, Soft Dry will be switched “ON” for a maximum 10 minutes, then Soft Dry operation will be turned “OFF”
• Soft Dry operation is applied to dehumidify and to perform a gentle cooling to the room.
• This operation starts when the intake air temperature sensor reaches the setting temperature on the remote control.
• When operation begins, Soft Dry will be switched “ON” for a maximum 10 minutes, then Soft Dry operation will be turned “OFF”
for a minimum 6 minutes. After that, the Soft Dry operation will be “ON” and “OFF” based on the setting temperature as shown in
figure below.
figure below.
• However after 3 minutes of compressor off, during Soft Dry “OFF” (within 6 minutes Soft Dry restart control), the indoor unit will
start to operate at normal Cooling mode if the intake temperature is higher than Cooling “ON” point.
12.2.1.
Soft Dry Operation Time Diagram
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12.3. Automatic Operation
• Automatic operation can be set using remote control.
• This operation starts to operate with indoor fan at SLo speed for 20 seconds to judge the intake air temperature.
• After judged the temperature, the operation mode is determined by referring to the below standard.
• This operation starts to operate with indoor fan at SLo speed for 20 seconds to judge the intake air temperature.
• After judged the temperature, the operation mode is determined by referring to the below standard.
• Then, the unit start to operate at determined operation mode, until it is switched off using remote control, with the setting
temperature as shown in below table.
• The setting temperature for all the operations can be changed one level up or one level down from the standard temperature as
shown in below table by pressing on the temperature up or temperature down button at remote control.
• The operation mode judging temperature and standard setting temperature can be increased by 2
°C permanently, by open the
circuit of JX03 at indoor electronic controller.
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12.4. Indoor Fan Speed Control
• Indoor Fan Speed can be set using remote control.
12.4.1.
Fan Speed Rotation Chart
12.4.2.
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 and Me.
- Deodorizing Control will be activated.
- Deodorizing Control will be activated.
Speed
Fan Speed (rpm)
CS-C7HKD
CS-C9HKD
CS-C12HKD
S Hi
1240
1320
1320
Hi
1150
1250
1270
Me
1000
1040
1060
H Lo
940
890
960
C Lo
850
800
900
Lo-
780
750
850
S Lo
750
700
820
Q Hi
1040
1150
1170
Q Me
900
940
960
Q Lo
750
700
800
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