| 摘要 |
PURPOSE: A temperature controller of an indoor hot water boiler and an automatic heating temperature control method thereof are provided to automatically control a heating temperature by controlling a rotation speed of a pump and a flow of heating water using a tap-switching type transformer. CONSTITUTION: A temperature controller of an indoor hot water boiler comprises a pump, a temperature sensor, a tap-switching type transformer, and a temperature controller. The hot water supplied from a heating water supply source is supplied to a heating coil of indoor through pipes where the pump is installed in. The temperature sensor measures a return water temperature of the hot-water exhausted from the heating coil of indoor. The tap-switching type transformer converts a rotation speed of the pump in multiple stages. The temperature controller is electrically connected to the inverter. The temperature controller controls a heating condition and a heating temperature of indoor.
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