Compressor Preheating - Fujitsu AMUG24LMAS Service Manual

2. COMPRESSOR PREHEATING

It works to keep compressor temperature higher than around
and prevent oil and refrigerant from mixing in a compressor.
AOU24RGLX
AOU30RGLX
AOUG36LMAS1
AOUG48LMAS1
It works when outdoor temperature is lower than 68°F (20°C)
and a compressor stops for 30 minutes.
When, power is applied to a compressor to be heated.
When operation starts or outdoor temperature exceed 77°F (25°C), preheating ends.
04-08