how do I wire an inline fan to the hvac blower

Discussion in 'HVAC' started by tomate10, May 27, 2008.

  1. May 27, 2008 #1

    tomate10

    tomate10

    tomate10

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    I have a bdp furnace. I am trying to wire an inline fan to the blower, but cant. I ran the hot wire and spliced it to the HI wire of the blower, right to the motor.... however, when I turn the A/c off, the inline fan turns on. When I turn the A/C on, the inline fan turns off....

    I know I have it wired to the HOt of the blower motor, and the common wire I wired to the common wire of an outlet.

    Also, if I have the A/c on and i pull the blower cover, the A/c shuts off, but the inline fan starts (door switch activates)...


    I need help, any thoughts??? I really appreciate it.
     
  2. Jun 2, 2008 #2

    kok328

    kok328

    kok328

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    I'm not totally comfortable w/what I'm reading in regards to where the neutral for the inline fan is coming from. You just can't grap a hot here and a neutral there. As far as the remainder of the setup, you haven't really stated a problem here. What are you trying to achieve (when is the inline suppose to run and not run)?
     

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