| 摘要 |
PROBLEM TO BE SOLVED: To enable abnormality of a bath thermistor to be decided on by a method wherein the bath thermistor, detecting the temperature of hot-water stored in a bathtub, is provided in the circulation passage of a bath boiler while the circulation passage communicates with a pouring circuit. SOLUTION: A pouring circuit 2, used for a passage upon pouring hot-water from a hot-water supplier 1 into a bath boiler 3 or a bathtub 4, is provided with a vacuum breaker 21, isolating an unused water circuit or the hot-water supplier 1 from a used water circuit or the bath boiler 3, a hotwater pouring solenoid valve 23 for starting or finishing the pouring of hot-water, a pouring hot-water amount sensor 23 for detecting the amount of pouring water, a check valve 24 for preventing reverse flow from the bath boiler 3, and a pouring passage 25 connected to the bath boiler 3. The pouring passage 25 communicates with a pump circulation passage 37, equipped with a bath thermistor 36 and circulating bathtub water. According to this method, the abnormality of the bath thermistor 36 can be decided on. |
