Panasonic CS-SA7CKP / CU-SA7CKP5 / CS-SC7CKP / CU-SC7CKP5 Service Manual ▷ View online
Automatic Fan mode operation
Time graph for heating mode operation
When selecting automatic fan mode by remote control during heating mode operation, the fan will operate at different speed
under different conditions according to the temperature of indoor heat exchanger.
under different conditions according to the temperature of indoor heat exchanger.
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CS-SA7CKP / CU-SA7CKP5 / CS-SC7CKP / CU-SC7CKP5
Deice Control
Deice operation is to protect the outdoor unit from freezing.
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• Normal Deice Operation
Deicing starts 30 minutes after heating mode operation or 60 minutes after the latest deicing operation.If temperature of
outdoor piping,tested by TRS,falls to -3°C (TRS OFF) or below for continuously 50 seconds,deicing operation starts.
outdoor piping,tested by TRS,falls to -3°C (TRS OFF) or below for continuously 50 seconds,deicing operation starts.
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• Overload Deicing Operation
During heating operation, if the accumulative stopping time of outdoor fan reaches 60 minutes, deicing operation will start
1 minute after compressor starts.
1 minute after compressor starts.
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• Deicing operation ends under conditions below
1. After 12 minutes.
2. Temperature of outdoor unit rises to 4°C.
3. Because of time delay (Td),deicing operation will not end immediately.
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• Once deicing starts, it will not end within 60 seconds.
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• When deicing operation ends, compressor will stop for 30 seconds,and 4-way valve remains at cooling mode operation for
10 seconds.
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CS-SA7CKP / CU-SA7CKP5 / CS-SC7CKP / CU-SC7CKP5
Time Graph for Normal Deicing Operation
Time Graph for Overload Deicing
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CS-SA7CKP / CU-SA7CKP5 / CS-SC7CKP / CU-SC7CKP5
For CS-SC7CKP, Heating Mode Operation is not included.
Standard for determining operation mode
7.4. Automatic Mode Operation
First Determination:
Second Determination:
One hour after the above determination, the unit will operate according to the table below.
1. Indoor fan operates at super low speed for 20 seconds.
2. After judging indoor air temperature, the operation is determined and operation continued at the mode determined.
3. If indoor temperature is less than 16°C, heating operation will immediately operate.
4. After the operation mode has been determined, the mode does not change. However, Soft Dry mode operation includes cooling
mode operation.
5. If automatic mode operation is started while the unit is operating, operation will continue.
If current operation is in cooling mode (including the cooling mode operation when is a part of Soft Dry mode operation) it will
be maintained, and if current operation is not cooling mode, the appropriate operation mode is determined for 20 seconds at
super slow fan speed. Then the selected mode will continue.
be maintained, and if current operation is not cooling mode, the appropriate operation mode is determined for 20 seconds at
super slow fan speed. Then the selected mode will continue.
6. Room temperature adjustment
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