| 摘要 |
A multi-purpose engine-driven heat pump system which used solenoid valves, 3-way valves and 4-way valves to control the circulation path of coolant and water to perform various air-conditioning functions as follows: the house-cooling function only, a combination of the house-cooling function and the hot water generating function, the house-heating function only, a combination of the house-heating function and the hot water generating function, a combination of the house-heating function and the ice water generating function, the defumidifying function only, a combination of the dehumidifying function and the hot water generating function, the defrosting function only, and a combination of the ice water generating function and the hot water generating function.
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