How To Test A Flame Sensor. Expert tips for testing your flame sensor 1) remove the doors to the furnace. It raises an alarm and call for an emergency shutdown.
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The photocell is a ceramic disk coated with. The flame sensor works by sending a small electrical signal to the central controller when it senses a flame. This sensor is used in industrial boilers.
Normalize The Forced Interlocks Or Logics If Any.
This is a safety precaution. The flame sensor is usually a short rod that sticks out in front of where the flame would be. Shut off all the power.
Detach The Flame Sensor Wire From The Flame Sensor Unit.
Now, disconnect the wire that is connected to the flame sensor. The flame sensor looks like a metal rod with dingy yellow/brown or white porcelain all around the mounting end to protect the. Most furnaces you will find a white wire located on the left side connecting the flame sensor to the circuit board.
The First Step Is Relatively Simple:
Check if your sensor works before connecting it to your arduino. Reset the alarm of the flame detector. Next, unscrew the flame sensor from the burner housing with a phillips screwdriver.
Repeat The Above Procedure For All The Remaining Flame Detectors.
This then sends signals to keep the fuel valve open. Video narrated by pci online hvac, lead faculty, bret doles. Next, take your flame source close to the sensors, preferably within one foot.
Now The Flame Detector Is Working Ok And Green Led Indication Is Blinking.
The flame sensor works by sending a small electrical signal to the central controller when it senses a flame. Under normal conditions, the flame sensor detects the presence of a flame and sends electrical signals to the flame detector circuit. If the problem with the flame sensor is due to the accumulation of dirt or carbon deposits, just cleaning it may fix the issue.
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