The components are different, the structure is different, and the functions that can be realized are different.
The refrigeration unit has only a single cooling and cooling effect. The main components of the system are the compressor, the condenser, the throttling unit and the evaporator. The refrigerant flows in one direction in the evaporator and the condenser.
In addition to compressors, condensers, throttling components, and evaporators, the heat pump unit has a very important component, the four-way reversing valve, for system operation. The switching of the cooling and heating mode of the heat pump unit is realized by switching the four-way reversing valve.
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