Working principle of air-cooled water heater

Apr 19, 2025

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The working principle of air-cooled water heater is to compress the low-pressure refrigerant into high-temperature and high-pressure gas through the compressor, and then transfer the heat to the water in the water tank through the condenser. The refrigerant becomes liquid after cooling, and then enters the evaporator through the expansion valve. The liquid refrigerant evaporates rapidly in the evaporator and absorbs a lot of heat, and finally the cold air is discharged through the fan. The whole process applies the reverse Carnot principle, which absorbs low-temperature heat energy in the air, compresses it into high-temperature heat energy, and transfers it to the water in the water tank, thereby heating the water.

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