| 摘要 |
A hot water supply system is provided to reduce the energy consumption by supplying the preheated water to the hot water tank after the water is heated with pre-heater to the temperature of the propriety. A hot water supply system comprises the hot water tank(10); the boiler(20) heating the water of the hot water tank with the setting temperature; and the pre-heater(30) preheating the supplied water before the supplied water is flowed in into the hot water tank. The per-heater comprises the water tub(31) passing the supplied water through; the thermal energy storage tank(32) heating the water which is installed at the inside tank and is supplied; the thermal energy storage material(34) filled within the thermal storage tank; and the heater(33) heating the thermal energy storage material with the predetermined temperature. |
