Panasonic CS-A73KR Service Manual page 20

- If the compressor is operating continuously for 5 minutes or longer
and the temperature difference between intake air and indoor heat
exchanger is 2.5°C or less for 2 minutes, compressor will stop and
restart automatically. / (Time Delay Safety Control is valid)
T = Intake air temperature - Indoor heat exchanger temperature /
This is to protect reverse rotation of the compressor when there is
a instantaneous power failure.
Compressor Protection Control
- After the compressor starts for 50 seconds but the outdoor fan
motor is still OFF, the compressor will stop and restart
automatically. (Time Delay Safety Control is valid).
- If the above phenomenon is repeated for 3 times, the compressor
will stops.
- The above phenomenon is reset when there is a change to heating
mode or stopped by Remote Control Switch.
Automatic Fan Speed Mode
When Automatic Fan Speed is selected at Remote Control during cooling operation.
- Fan speed rotates in the range of Hi to Me.
- Deodorizing Control.
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