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EnglishWarm water dispenser
When the warm water dispenser is in use, press the heating switch, and the power supply will provide power for the "keep warm" indicator light as an indication of power on. At the same time, the power supply is divided into two ways: one way constitutes a heating circuit, which makes the electric heating tube energized to heat up; the other way provides voltage for the "heating" indicator light for heating indication. When the water in the hot tank is heated to the set temperature, the contact of the thermostat is disconnected, the power supply of the heating and heating indication circuit is cut off, the "heating" indicator light goes out, and the electric heating tube stops heating.
When the water temperature drops to the set temperature, the thermostat contacts are connected to the power circuit, and the electric heating tube regenerates heat, so that the water temperature is kept between 85-95°C over and over again.
Hot Cold Warm Water Dispenser W2906-3F
There are double protection elements in the circuit of the warm water dispenser. When the water dispenser is overheated or a short-circuit fault occurs, the over-temperature fuse will automatically melt or the thermostat will be manually reset to automatically disconnect the power supply of the heating circuit to play a protective role. The over-temperature fuse is a one-time thermal protection element and cannot be reset. After troubleshooting, replace it with a new over-temperature fuse according to the original model specification, and then press the reset button of the manual reset thermostat by hand, and the contact can be closed to start working again. .
Hot and cold water dispenser
When the semiconductor direct-cooling hot and cold water dispenser is in use, the direct-cooling hot and cold water dispenser provides normal temperature water from the water tank, and the water enters two ways: one way enters the cold tank, and the cold water is cooled; the other way enters the hot tank and is heated. Hot water comes out.
After the refrigeration switch is pressed, the AC voltage is stepped down by the power transformer, the rectifier diode is used for full-wave rectification and capacitor filtering, and the DC voltage is output for cooling of the semiconductor refrigeration component and fan exhaust. At the same time, the refrigeration indicator light is on. Since the direct cooling hot and cold water dispenser does not have automatic temperature control, the cooling indicator light is always on after turning on the machine.
Press the heating switch, the heating indicator lights up, the electric heating tube generates heat, and the water in the hot tank heats up. When the water temperature rises to the specified temperature, the contact of the thermostat is disconnected, the heating power is automatically cut off, the heating indicator light goes out, and the electric heating tube stops heating. When the water temperature drops to the desired temperature, the thermostat contacts are closed, the heating power is automatically turned on, the heating indicator light is on, and the electric heating tube generates heat. Then repeat the above process to keep the water temperature at a constant temperature between 85-95°C.
