| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a hot water supply system capable of reducing lowering of a temperature of hot water due to natural heat radiation of a hot water storage tank, and providing a user who can not apply night-time electric rate, with storage type hot water supply capable of suppressing running costs. <P>SOLUTION: This hot water supply system includes the hot water storage tank 31, a heating machine for heating hot water/water in the hot water storage tank 31 by a heat pump 70, a water heater 10 for heating hot water/water flowing in a hot water supply pipe 2 for leading out the hot water/water in the hot water storage tank 31 by combustion of a burner 12, and operation control means 20, 50, 80. The operation control means divides one day into a plurality of time zones by every unit time, extracts a hot water supply amount of each time zone, calculates an average hot water supply amount of the same time zone of prescribed days at a predetermined clock time on the basis of the extracted hot water supply amount of each time zone, and controls boiling-up motion of hot water/water in the hot water storage tank by the heating machine while applying each average hot water supply amount as a target hot water storage amount of the hot water storage tank in each time zone. The boiling-up motion is corresponded to the time zone as a setting object in each prior time zone prior to each time zone. <P>COPYRIGHT: (C)2011,JPO&INPIT |
