| 摘要 |
PURPOSE:To adjust a storing quantity of hot water, to reduce a radiation loss and to improve a degree of a contribution, by a method wherein a circulation pipe from a solar heat collector is connected with the lower part of a hot water reservoir, and very hot water from a heat source is ramified and led to two parts, the upper and the lower parts of the hot water reservoir. CONSTITUTION:Circulation openings 6 and 7 which are connected with a solar heat collector 5 are provided on the lower part of a hot water reservoir 1 made of plastics, a feed water opening to a heat source 8 having a burner and a heat exchanger is provided on the lower part and very hot water from the heat source 8 is ramified and supplied to a lower hot water discharge opening 14 and an upper hot water discharge opening 15. |
