unit.
PTC heating belt:
With a PTC heating belt fitted on the base plate of the outdoor unit, the rain, snow or defrosted water
accumulating on the base plate is avoided.
Compressor crankcase heater:
The oil dissolves easily in refrigerant, especially in low temperature condition. The crankcase heating belt
can heat the bottom of the compressor to avoid pumping out too much oil with the refrigerant, which helps
to protect the compressor.
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