| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a hot water storage type hot water supplying heat source device which can supply hot water to a hot water supply point, for example, during execution of water quality keeping operation for keeping water quality of hot water in a hot water storage tank or when a heating means or the hot water storage tank is unavailable. <P>SOLUTION: The device is provided with a water supply state switching means 25 which can supply the water supplied through a water supply passage 4 to the upstream side of an auxiliary heating means 19 in a hot water supply passage 3 while bypassing a hot water storage tank 5 through a tank bypass water supply passage 24 and can freely switch the water supply state to a tank bypass water supply state where the delivery of hot water from the hot water storage tank 5 to the hot water supply passage 3 is stopped. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
