To provide an antifreezing device capable of preventing freezing of liquid in an accumulation portion even when the accumulation portion of high possibility of accumulation of liquid when the liquid does not pass through a fluid flow channel, exists, and to provide a heat source device comprising the antifreezing device and a heat consumption system.
A heat source system U comprises the heat source device 1, a bathtub 3, and the antifreezing device F for preventing the freezing of hot water/water in the circulating flow channel 2, in addition to the circulating flow channel 2 connecting the heat source device 1 and the bathtub 3. The antifreezing device F comprises a control means 8, a heat source-side heater and a heat source-side temperature sensor 30 mounted in a heat source device main body 5, and an accumulation portion-side heater 41 and an accumulation portion-side temperature sensor 43 mounted in the accumulation portion 40 formed on the way of the circulating flow channel 2. The antifreezing device F executes the antifreezing operation of the accumulation portion under conditions that a detected temperature by the accumulation portion-side temperature sensor 43 becomes lower than accumulation portion-side threshold temperature, and a detected temperature of the heat source-side temperature sensor 30 becomes lower than heat source-side threshold temperature.
| JP3069323 | HOT WATER SUPPLY APPARATUS |
| JPH09260042 | FLUID HEATING SYSTEM |
| JPS586221 | [Title of the device] Moment gas hot-water heater |
YOSHIKAWA SHUICHI
ASANO MASAAKI
