Freeze Prevention - Sanyo SAP–K91AHA Technical & Service Manual

8-4. 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.
T+1 °C
Set temp. T °C
Indoor heat exch.
coil temp.
–1 °C
Compressor
Indoor fan
Room temp.
6 minutes
More than
10 minutes
ON OFF
Set speed
More than
10 minutes
ON ON
32
Thermo. OFF
Thermo. ON
More than
6 minutes
OFF ON
Set speed