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Technical specifications
Functioning principles of heat pump water heaters
Air source heat pump water heaters mainly consist of a compressor, an
expansion valve, a filter, an evaporator, a condenser, and a fan. Powered
by electricity, the compressor absorbs low-temperature and low-pressure
refrigerant gas from the evaporator. It compresses the gas into high-
temperature and high-pressure gas, which is passed through the condenser
to transfer heat to the water. The condensed refrigerant is then throttled and
depressurized by the expansion valve. It then absorbs heat from the
surrounding air via the evaporator.
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