| 摘要 |
PROBLEM TO BE SOLVED: To provide a cold water/hot water feed system capable of simultaneously feeding cold water and hot water to a plurality of service units, and feeding hot water in an extensive service temperature range. SOLUTION: The cold water/hot water feed system comprises a heat source machine 1 comprising an internal combustion engine 10, a compressor 11 to be driven by the internal combustion engine 10, and a heat source side heat exchanger 12 to perform heat exchange between refrigerant and outside air, and water heat exchangers 20a and 20b. Cold water and hot water is produced by performing heat exchange with the refrigerant, and pipes for cold water and hot water are connected in parallel to a unit pipe 3 comprising a high-pressure gas pipe, a low-pressure gas pipe and a liquid pipe 6 extending from the heat source machine 1. Feed of cold water of a plurality of systems or hot water of a plurality of systems, or simultaneous feed of cold water and hot water can be performed for a plurality of service units. In addition, by performing heat exchange of hot water produced by a chiller unit 2a to feed hot water with cooling water to cool the internal combustion engine 10, hot water of higher temperature can be fed, and the service temperature range of hot water is expanded. COPYRIGHT: (C)2004,JPO&NCIPI
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