HOT WATER SUPPLY HEAT SOURCE APPARATUS OF HOT WATER STORAGE TYPE

摘要

PROBLEM TO BE SOLVED: To improve heating efficiency as an apparatus by achieving the operation of heating means with high heating efficiency while ensuring total heating efficiency by the heating efficiency at high heating efficiency. SOLUTION: Control means U causes hot water circulation means E to be operated for heat dissipation operation to operate only the heat pump heating section 33 when the operation of a heat pump heating section 33 is enabled in a propriety decision processing while when the operation of the heat pump heating section 33 is disabled the heat pump heating section 33 is in operation, the hot water circulation means E is subjected to heat dissipation operation. Further, the operation of the heat pump heating section 33 is continued until the operation time since the operation of the heat pump heating section 33 becomes a required operation time or more estimated by a necessary operation time calculation processing, and then only an auxiliary heating section 35 is operated, and when the heat pump heating section 35 is in non-operation, the hot water circulation means E is subjected to heat dissipation operation to operate only the auxiliary heating section 33. In such a manner a hot water storage hot water supply heat source apparatus is constructed.