| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a hot-water supply heating apparatus capable of surely supplying hot water at a set temperature in simultaneously using it for heating and hot-water supply. <P>SOLUTION: This hot water supply heating apparatus is provided with an indirect heating type hot water-supplying heat exchanger 4 communicating with city water for supplying hot water, in a heating can body 1 equipped with a heating burner part 2 in its lower part and communicating with a heating circuit A having a heating radiator 7 and a heating circulation pump 9. Since the circulation pump 9 is stopped when the difference between the hot water temperature in the can body 1 and the set temperature of the hot water is not higher than a predetermined temperature in simultaneously using the heating apparatus for heating and hot-water supply, the hot water at the set temperature is supplied by prioritizing the hot-water supply operation of temporary use in the simultaneous use of heating and hot-water supply so as not to give an uneasy feeling to a user. When lack of capacity occurs, the heating having the lowest level of urgency is once stopped if a room is warmed up without immediately sensing variation, and the hot water immediately required can be constantly supplied at the set temperature, so that the heating apparatus is easy to use and can be used without anxiety. <P>COPYRIGHT: (C)2004,JPO |
