7-4. Freeze Prevention (Cooling)
●
This function prevents freezing of the indoor heat exchange coil.
●
When the compressor has been running for 10 minutes or more and the temperature of the indoor heat
exchange coil falls below –1°C, the control circuit stops the compressor for at least 6 minutes. The compressor
does not start again until the temperature rises above 8°C or 6 minutes has elapsed.
ON
ON
ON
ON
OFF
OFF
Set speed
More than
10 minutes
6 minutes
T+1 °C
Indoor heat exch.
coil temp.
–1 °C
Compressor
Indoor fan
Room temp.
Thermo. OFF
Thermo. ON
Set temp. T °C
More than
10 minutes
More than
6 minutes
Set speed
20
