| 摘要 |
<P>PROBLEM TO BE SOLVED: To simultaneously perform space heating operation using an auxiliary heat source and water heating operation using the auxiliary heat source. <P>SOLUTION: The storage hot water supply heating device includes: a hot water storage tank 1 to which a water supply pipe 2 and a hot water delivery pipe 3 are connected; a main heat source 4 for heating hot water within the hot water storage tank 1; a heating heat exchanger 10 for exchanging heat between the hot water within the hot water storage tank 1 and heating circulating water circulating to a heating terminal device; a heating primary going pipe 11 circulating hot water taken out from the upper part of the hot water storage tank 1 to the heating heat exchanger 10; a heating primary return pipe 12 returning hot water from the heating heat exchanger 10 to an intermediate portion of the hot water storage tank 1; a heating secondary going pipe 17 and a heating secondary return pipe 18 interconnecting the heating heat exchanger 10 and the heating terminal device so as to enable circulation of the heating circulating water; and the auxiliary heat source 20 provided on the upstream side of the heating heat exchanger 10 of the heating secondary return pipe 18. <P>COPYRIGHT: (C)2011,JPO&INPIT |
