| 摘要 |
PROBLEM TO BE SOLVED: To provide a heat source device that can lengthen a hot water supply enabled time on power failure. SOLUTION: The heat source device includes: a power supply circuit 30 for outputting a first electric power P1 based on electric power supplied from a commercial power supply 34 when the electric power from the commercial power supply 34 is supplied, and for outputting a second electric power P2 based on electric power supplied from a battery 35 when power supply from the commercial power supply 34 stops; and a controller 20 for permitting operation of a water heating unit, a reheating unit, and a heating unit by the first electric power P1 when being operated by the first electric power P1 and prohibiting operation of the reheating unit and the heating unit when being operated by the second electric power P2, and permitting operation of the water heating unit by the second electric power P2. COPYRIGHT: (C)2013,JPO&INPIT |
