Overload Prevention - Sanyo SAP-K71GH Technical & Service Manual

8-5. Overload Prevention (Heating)
This function prevents overheating of the indoor heat exchange coil.
When the temperature of the indoor heat exchange coil rises above 54°C, and if the indoor fan is L (low speed),
then the fan speed changes from L (low speed) to M (medium speed).
When the temperature of the indoor heat exchange coil rises above 57°C, the outdoor fan stops.
Indoor heat
exch. coil
temp. °C
Outdoor fan
Indoor fan
Compressor
57
54
47
44
ON
H or M or L
OFF
H H, M M, L M
ON
31
ON