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    gbresler's Avatar
    gbresler Posts: 2, Reputation: 1
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    #1

    Oct 28, 2006, 11:13 PM
    Need to wire a humidifer to the blower on the furnace
    I an trying to install a honeywell 360 humidifier on a Trane xb90 furnace. I have completed the installation but the sail switch does not operate very well causing my considerable distress.
    I would like to wire the control for the humidifier to the blower on the furnace so that when the blower kicks on the humidifier will follow suit.
    I do not know which wire to tap into to allow this operation.
    Any help is greatly appreciated.
    NorthernHeat's Avatar
    NorthernHeat Posts: 1,455, Reputation: 132
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    #2

    Oct 29, 2006, 08:08 AM
    Does that furnace have a smart motor. IF so you can't use the motor to power the humidifier. The PC board should have humidifier terminals on board. See furnace documentation for more. There is over a dozen ways we wire humidifiers depending on the furnace and humidifier.
    gbresler's Avatar
    gbresler Posts: 2, Reputation: 1
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    #3

    Oct 29, 2006, 02:13 PM
    I looked into many things and ended up wiring a plug off the blower (120 volt) , then simply plugged the humidifier into that so when the blower is directed to turn on for the heat it will run the humidifier
    Thanks
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