How does the water heater work? Let's take a look at it with Xiaobian.
There is a heating tank inside the water dispenser, which is an iron can, and there are 2 groups of electric heating belts wrapped around the outside, one group is used for rapid heating, and one group is used for heat preservation; Outside is the insulation. The heating zone is controlled by two temperature switches, one for heating and one for anti-dry burning (both fixed values, not adjustable).
When the heating temperature control switch detects that the water temperature has not reached the set temperature, the rapid heating belt is energized and the red light is on; When the temperature reaches, the rapid heating stops, the red light is off, the thermal insulation heating continues to work, and the yellow light is on.
The volume of the heating tank is very small, and after the hot water is released, cold water is then added from the VAT, and the temperature of the water in the heating tank is soon lowered.
1. Press the heating switch, turn on the power supply, the heating circuit is turned on, the red heating indicator light is lit, and the electric heat pipe is heated. 2, the water temperature reaches the set temperature, automatically reset the thermostat automatically cut off the power supply, the red heating indicator is turned off, and the heat preservation state is transferred.
3. After power off, the water temperature gradually drops to the set temperature, the thermostat contact action is closed, the power supply is switched on, the red heating indicator is on, the electric heat pipe is heated again, and the water temperature in the drinking machine is controlled between 85-95℃.
The compressed refrigeration water dispenser uses the temperature insurance control device, when the circuit is overheated, the protection device will automatically fuse or disconnect the circuit when overloaded, which plays a safety protection role.
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