How to Wire Fireplace Inserts with Heat Sensors


By Dave Rongey - Summary:

Electrical Wiring and Operation of Fireplace Insert Blower Fans: The temp sensor needs to have time to cool down in order to turn off the fan. Now, the fan blower will not go off when unit cools down. If I turn the variable-speed switch off and back on it will still the start fan motor.


The Wiring and Operation of Fireplace Insert Blower Fans

Electrical Question: I have a fireplace insert that was installed.

This electrical wiring question came from: Mike, a Homeowner from Coopersburg, PA. USA
Additional Comments: Great!

Dave’s Reply:
Thanks for your electrical wiring question Mike.

Electrical Wiring and Operation of Fireplace Insert Blower Fans

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4 Responses to “How to Wire Fireplace Inserts with Heat Sensors”
  1. Dave Rongey says:

    Hi Sand,
    I would look in the installation or owners manual for the fireplace unit and see if there are instructions about how to make sure the pilot light is operating normally and if any adjustments are necessary. Also make sure all covers are in place so any air breeze might interfere with the operation of the pilot light.
    I hope this helps,
    Dave

  2. sand says:

    The pilot light goes out when the gas fireplace is operating off and on daily use. The pilot light grows to about 2 inches and looks extremely hot, then the unit shuts off. Suggestions what needs replacing?

  3. Dave Rongey says:

    Hi Walt,
    You are absolutely right, and I appreciate your input. I agree that not all motors are alike and special attention should be given to the specifications that the motor manufacturer provides for best results.
    Dave

  4. Walt says:

    Mike, hello. I suspect you solved your dilemma, by now. But, I thought I would toss in my 2 cents. The motor, if it is a standard AC/DC 120V. motor, may have a specific required start up voltage. At lower speeds, the control may not supply the proper voltage required. Not all motors are the same, but, a speed control may eventually kill a motor, if it is not designed for it. More expensive speed controllers are available, but they may not be the most efficient. Changing a pulley/ sprocket is more involved, but works great.