Results 1 to 7 of 7
  1. #1
    Join Date
    Oct 2006
    Posts
    2
    Post Likes
    Are the fan switches on a coleman furnace adjustable. This furnace sits in a trailer. The blower motor runs for about 3mins after thermostat is satisfied. Is this the correct amount of time or is it too long?

  2. #2
    Join Date
    Jan 2006
    Posts
    53
    Post Likes
    Your fan will run until your heat exchanger has cooled down enough to "break" fan switch. Is your thermostat overshooting its set point because of this?

  3. #3
    Join Date
    Nov 2001
    Location
    east kansas
    Posts
    8,046
    Post Likes
    Is your filter clean. What about your A-Coil?

    When was your last tune-up?

  4. #4
    Join Date
    Nov 2000
    Location
    Eastern PA
    Posts
    69,042
    Post Likes
    Sounds a little long. Are you certain it is 3 minutes, or might it just seem that long

    Are the homeowner of this unit or a tech working on it?
    Government is a disease...
    ...masquerading as its own cure…
    Ecclesiastes 10:2 NIV


  5. #5
    Join Date
    Oct 2006
    Posts
    2
    Post Likes
    I am a service tech. Adjusted anticipator on thermostat and watched cycle off. It is a 7600 series coleman furnace and the fan shuts off at 2min 30 seconds. Is there some sort of timer on this furnace that breaks contact after so long.

  6. #6
    Join Date
    May 2003
    Location
    Dixie
    Posts
    1,344
    Post Likes
    look at the unit...a tech should be able to tell what cycles the blower off.....

  7. #7
    Join Date
    Jan 2004
    Location
    PA
    Posts
    69,273
    Post Likes
    It could have a fan limit switch with the fan switch fixed at 105-20, or a fan switch at 110-20, or 130-35.

    You'll have to look for yourself which one is controling the fan.
    Contractor locator map

    How-to-apply-for-Professional

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

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  

Related Forums

Plumbing Talks | Contractor Magazine
Forums | Electrical Construction & Maintenance (EC&M) Magazine