What is the function of a CAD cell on an oil furnace?
Similarly, you may ask, where is CAD cell on oil furnace?
Just below is a photo of what the cad cell itself looks like. You cannot see this part unless the oil burner is disassembled. The cadmium cell is simply a type of photo cell that is mounted in the oil burner tube, usually near the rear, where it can "see" the flame when the oil burner is operating properly.
One may also ask, how does a fuel oil furnace work? In this type of system, oil is sprayed into a combustion chamber at high pressure, propelled by a blower, and ignited by an electric spark. The oil continues to burn as the mist is sprayed. of system, oil is sprayed into a combustion chamber at high pressure. An oil furnace is a complex assembly.
In this regard, what is the function of the stack switch on an oil furnace?
The stack control of the oil furnace, located in the stack, is a safety device that monitors the operation of the oil burner. If the burner fails to ignite, the stack control shuts off the motor. Frequently, however, a furnace shutdown is caused by a malfunctioning stack control rather than by the burner.
How do you test a CAD cell?
To check cad cell operation, use the following procedure: ³ Disconnect cad cell leadwires; then start burner. Shortly after burner starts, place a temporary jumper between terminals F-F. Connect an ohmmeter across cad cell leadwires; resistance should be less than 1600 ohms.