Xial brand ice hot water dispenser circuit
When the cold type hot and cold water dispenser is in use, the direct cooling type hot and cold water dispenser provides normal temperature water from the water tank, and enters the water two ways: one enters the cold bile container, and the cold water is cooled; the other enters the hot tank, and the heat is heated. water. After pressing the cooling switch, the AC voltage is stepped down by the power transformer, the rectifier diode is used for full-wave rectification, and the capacitor is filtered. The DC voltage is output for cooling of the semiconductor refrigeration unit and the fan is exhausted. At the same time, the cooling indicator lights up. Since the direct cooling type hot and cold water dispenser does not have automatic temperature control, the cooling indicator light is always on after the power is turned on. Press the heating switch, the heating indicator lights, the electric heating tube heats up, and the water in the hot tank heats up. When the water temperature knows the set temperature, the thermostat contacts are disconnected, the heating power is automatically cut off, the heating indicator is extinguished, and the heating tube stops heating. When the water temperature drops to the set temperature, the thermostat contacts close, the heating power is automatically turned on, the heating indicator lights, and the electric heating tube heats up. The above process was repeated to maintain the water temperature at a constant temperature between 85 and 95 °C.
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Guangdong Shunde Langzhi Trading CO., Ltd , https://www.langzhielectrical.com