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The basic working principle of the gas water heater is that the cold water enters the water heater, and the water-gas linkage valve body pushes the water-gas linkage valve under the action of a certain pressure difference of the flowing water, and simultaneously pushes the DC power micro-switch to turn on the power and start the pulse. The igniter, at the same time, opens the gas transmission electromagnetic valve, and continues to automatically re-ignite through the pulse igniter until the ignition successfully enters the normal working state, the process is continuously maintained for 5 to 10 seconds, when the gas water heater is in the working process or is ignited. When there is a shortage of water or water pressure, lack of electricity, lack of gas, hot water temperature, accidental blowout, etc., the pulse igniter will automatically cut off the power supply by detecting the feedback signal from the induction needle. In the case of lack of power supply, the original normally closed valve state is immediately restored, that is, the gas passage has been cut off at this time, and the gas water heater is turned off to provide safety protection.
Usually a qualified gas water heater refers to the gas water heater whose performance index meets the national standard of GB6932-2001 "Household Gas Rapid Water Heater". The whole process from ignition state to normal working state is fully automatic control, no artificial adjustment or Additional settings, as long as the cold water switch is turned on or the cold water source is turned on, the water volume adjustment device and the gas volume adjusting device are adjusted to obtain the appropriate water quantity and water temperature, and the gas water heater immediately enters the normal working state within a short time of 5 to 10 seconds, and simultaneously produces When the hot water is discharged, the gas water heater will automatically stop working within 10 seconds, and immediately cut off the gas passage to prevent the gas from continuing to flow out, and it cannot be automatically re-opened unless the gas is manually removed and the gas is restarted. The water heater can work normally, so its working performance is safe and reliable.
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