HEAT PUMP HOT WATER SUPPLY DEVICE

摘要

PROBLEM TO BE SOLVED: To provide a hot water supply system for a heat pump hot water supply device capable of supplying hot water with small power consumption while improving a system performance coefficient during hot water supply and heating operation.

SOLUTION: The heat transfer area of a refrigerant-to-refrigerant heat exchange part of a liquid gas heat exchanger is optimized to make a refrigerant circulation amount and the operating pressure of a gas cooler adequate to a refrigerant-to-refrigerant heat exchange amount. This maximizes the system result coefficient for the heat pump hot water supply device, resulting in the highly efficient hot water supply system.

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