A crankcase heater is used to prevent migration (when the unit is off) and condensation of refrigerant in the crankcase of a compressor and is designed to keep the crankcase oil at a temperature higher than the coldest part of the system.
A crankcase heater is used to prevent migration (when the unit is off). A crankcase heater is used to prevent condensation of refrigerant in the crankcase of a compressor. A crankcase heater is designed to keep the crankcase oil at a temperature higher than the coldest part of the system.