HOT WATER STORAGE TYPE HOT WATER HEATER SOURCE DEVICE

摘要

PROBLEM TO BE SOLVED: To facilitate supplying of hot water capable of being adapted for each of thermal requirements to a thermal radiating heat exchanger even if a plurality of these thermal radiating heat exchangers require concurrently heat when an external thermal radiating part is constituted by a plurality of thermal radiating heat exchangers. SOLUTION: There is provided a hot water feeding heat source device of hot water storing type comprised of a hot water storing tank 1 to which upper part is connected a hot water feeding passage 6; a hot water circulating means E capable of being changed over to a hot water feeding operation state and a thermal radiation operating state; and a control means C for controlling an operation of the hot water circulating means. Connecting a plurality of thermal radiation heat exchangers constitutes an external thermal radiation part. When one of the thermal radiation heat exchangers 42, 43 requires heat, the control means may adjust a temperature of hot water supplied to the thermal radiating part in such a way that it may become a temperature corresponding to the thermal requirement. In turn, when a plurality of thermal radiation heat exchangers concurrently require heat, the control means adjusts a temperature of hot water supplied to the external thermal radiation part in such a way that the temperature becomes the highest temperature in the temperatures corresponding to a plurality of thermal requirements so as to control an operation of the hot water circulation means at the thermal radiation operating state.