The compressor is the core of the refrigeration cycle. It is the power device for the refrigerant to circulate in the system. It reduces the low temperature from the evaporator. The compressed steam is compressed into high temperature and high pressure steam.

The following ____________ Yes UPS N The advantages of the system.

The principle of the evaporator is to convert the refrigerant from liquid to gas, take away the heat of the refrigerated object, and realize refrigeration.

The leakage protector is mainly divided into electronic type and electromagnetic type according to the action mode.

UPS Common working modes are ____________ .