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Thread: R-G fan drive

  1. #14
    Join Date
    Jan 2005
    Posts
    113
    my precious humidifaction i'll die without you...

  2. #15
    Join Date
    Aug 2004
    Location
    North Richland Hills, Texas
    Posts
    14,915
    Have you purchased your steam humidifier yet?
    I know EWC's Autoflow brand steam humidifiers will turn the system fan on themselves when himidification is needed, and isolate the call to the G terminal of the equipment from G on the thermostat.

    They also give instructions for how to set up a fan failure safety lockout.

    http://www.ewccontrols.com/steam_humidifier.htm
    If more government is the answer, then it's a really stupid question.

  3. #16
    Join Date
    Oct 2003
    Location
    west chester pa
    Posts
    343
    Originally posted by producteng
    I'm not interested in discussing the pros and cons of humidification, which is why I specifically left that out of my first post. What I AM interested in is what happens when you put a second set of contacts in parallel across R & G, which is exactly what I DID ask in my first post.

    Thanks anyway.
    I'm an idiot and need your help, But I also want to be a smart a$$ with reply's like above. Take a jumper from R-C if you see a spark it will work fine..

  4. #17
    Join Date
    Jan 2004
    Location
    PA
    Posts
    68,768
    Yes you'll back feed the Y terminal to the outdoor unit.
    Check the vision pro stat, the 1 model has fan recycle ability, and may be just what you want.
    Contractor locator map

    How-to-apply-for-Professional

    How many times must one fix something before it is fixed?

  5. #18
    Join Date
    Dec 2004
    Posts
    201
    24 volts at humidastat,which energizes coil and closes to sets of contacts,one set is humidafier and the other set is 24 volt to g terminal in airhandler,,,,,,,,,will it work?

  6. #19
    Join Date
    Dec 2004
    Posts
    201
    nevermind!!

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