How UK-202 Gas Protector Relay Works and Tested? | UK-202U
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This video dives into the world of gas protector relays, explaining their functionality and testing procedures.
By the end of this video, you'll gain a deeper understanding of how gas protector relays function and the importance of proper testing to keep your gas appliances safe.
The UK-202 Gas Protector Relay is a safety device used in gas appliances like boilers. Its main function is to cut off the gas supply if it detects a problem with the flame.
Here's a breakdown of how it works:
Flame Detection:
The UK-202 relay uses a UV (ultraviolet) sensor to detect the presence of a flame. When the burner is lit, the UV light from the flame hits the sensor.
Signal Processing:
The sensor sends a signal to the relay unit. This signal indicates the presence or absence of a flame.
Safety Control:
The relay unit continuously monitors the signal from the sensor. If the signal is lost, which could happen if the flame goes out, the relay interprets it as a safety hazard.
Gas Shut-off:
In case of a lost signal, the relay triggers a shut-off mechanism that cuts off the gas supply to the burner. This prevents gas leakage and potential accidents.
Resetting:
Some models may have a reset button that allows you to manually restart the gas flow after the issue is resolved.
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8 сен 2024
