When the water dispenser is in use, press the heating switch, the power supply will provide power for the "keep warm" indicator for power-on instructions. At the same time, the power supply is divided into two ways: one way constitutes the heating circuit, so that the electric heating tube heating heating warming; the other way for the "heating" indicator to provide voltage for heating instructions. When the water in the hot tank is heated to the set temperature, the thermostat contact breaks, cutting off the heating and heating indicator circuit power supply.
"Heating" indicator off, the electric heating pipe to stop heating. When the water temperature drops to the set temperature, the thermostat contact connects to the power circuit, the electric heating pipe to heat up again, so that the water temperature is maintained at 85-95 ℃ between week after week.
ExpandedMaintenance of water dispensers:
1, the handling of the machine to be gently, moving the compressor refrigeration water dispenser, should try to keep moving upright, if you want to tilt, its tilt shall not be greater than 45 degrees, and handling to be stationary for a period of time before you can work.
2, the first time you use the water dispenser, the water dispenser should be cleaned containers and piping, and then open the drain valve, to be discharged after the remaining water tighten the drain valve. Add a large bottle of water, open the hot water faucet, water flow out before plugging in the power supply, open the heating switch to avoid dry burning, to extend the life of the machine.
3, water dispenser for a long time out of use, please turn off the machine switch and unplug the power supply, and then turn on the drain valve, drain the remaining water, and then tighten the drain valve (please pay attention to hot water scald in the drainage process).
4. When not in use at night, it is best to disconnect the power supply to save energy and ensure safety when no one is using the machine.
Baidu Encyclopedia - Water Dispenser