| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a hot water storage type hot water supply system capable of effectively utilizing heat of expanded water generated in boiling up the water of a hot water storage tank by a heat pump unit without increasing costs and complicating installation work. <P>SOLUTION: In this hot water storage type hot water supply system 100 comprising the hot water storage tank 2, and the heat pump unit 7 disposed as a separate unit with respect to the hot water storage tank 2, sucking the water in the hot water storage tank 2 through a suction pipe 5c, boiling up and returning the water to the hot water storage tank 2 through a delivery pipe 5d, and boiling up the water in the hot water storage tank 2 by a heat pump cycle, a discharging portion 13 for the expanded water after boiling-up is disposed in the delivery pipe 5d, and the heat of the discharged expanded water is collected by a heat absorption-side device 14 of the heat pump unit 7. <P>COPYRIGHT: (C)2008,JPO&INPIT |
