40
Dehumidifying area II: The compressor stops for 5 minutes and operators for 5 minutes at the lowest
frequency.
Dehumidifying area III: The compressor stops.
3-10 Fan Only Mode Operation
During the appliance run in this mode, the compressor and outdoor fan stop, the indoor fan
operate under the pre-setting of air volume, and the louver swing, and the indoor fan speed same as
the Heating Mode.
5-3. Special Function Fnstruction
Conditions of anti-freezing prohibition of frequency rising:
Condition 1: in the case of anti-freezing frequency decreasing, the temperature of indoor heat exchanger rises to
“anti-freezing frequency decreasing temperature”.
Condition 2: in normal operation, the temperature of indoor heat exchanger reaches “anti-freezing prohibition of
frequency rising temperature”.
Either of the above two conditions is met, the product will enter anti-freezing prohibition of frequency rising state.
Anti-freezing prohibition of frequency rising operation: the compressor is kept at the current frequency, which may
decrease according to situations while cannot rise. The outdoor fan runs.
Condition for the end of anti-freezing prohibition of frequency rising state: when the temperature of indoor heat
exchanger rises to “anti-freezing releasing temperature”, the state of anti-freezing prohibition of frequency rising
is released.
Conditions for defrosting:
A: When the heating compressor consecutively runs for 40 minutes (EEPROM setting value at the current
operating mode);
B:If the ambient temperature minus the temperature of coiled pipe is equal to or higher than six degrees
centigrade (EEPROM setting value in the current operating mode);
C:If the temperature of coiled pipe is equal to or lower than minus two degrees centigrade (EEPROM setting
value in the current operating mode);
If the above three conditions are met simultaneously, defrosting begins.
Defrosting actions:
The compressor stops, and the outdoor fan stops after delay of 30 seconds; in 50 seconds the four-way
valve is power off; and in 10 seconds the compressor starts and runs at “defrosting frequency”.
Conditions for ending defrosting:
Defrosting is over if either of the below conditions is met.
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