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  1. #1
    Join Date
    Sep 2002
    Location
    Virginia
    Posts
    2,747

    What talks to the inducer motor ?

    old rooftop package carrier weathermaker

    Im replacing the belt on blower , get that done , fired it up to check flames , and im hearing the inducer kick on , then flames come on , and im like ..... how in the world does the board know the inducer is going ok ?? Theres no vacuum pot.

    Does the motor have a sensor that knows if the armature is spinning a certain Rpm ?
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  2. #2
    Join Date
    Sep 2004
    Location
    Kansas City, Kansas, United States
    Posts
    13,817
    yes it has a little sensor.

    i forget what they are called?

    they do fail frequently, i have changed a few.
    I WILL SELL WORK,GENERATE BUSINESS, GO GET NEW CUSTOMERS!
    YOU SHUT THE HELL UP AND QUIT RUNNING YOUR MOUTH!

  3. #3
    Join Date
    Feb 2010
    Location
    Calgary, Alberta
    Posts
    1,012
    It would be a centrifugal end switch that makes at a certain rpm.
    Not the best way to check draft

  4. #4
    Join Date
    Mar 2007
    Location
    NW AR
    Posts
    2,475
    centrifugal switch

  5. #5
    Join Date
    Oct 2011
    Location
    Chicagoland Area
    Posts
    4,306
    4 wires on the motor. 2 are line voltage and 2 are low voltage
    Officially, Down for the count

    YOU HAVE TO GET OFF YOUR ASS TO GET ON YOUR FEET

    It was working when I left...
    Liberalism-Ideas so good they mandate them

  6. #6
    Join Date
    May 2012
    Location
    Upper Michigan
    Posts
    3,587
    Yep centrifugal, if motor spins it closes.


    Sent from my iPhone using Tapatalk

  7. #7
    Join Date
    Apr 2011
    Location
    West of DFW
    Posts
    237
    Please inspect that heat exchanger!


    Sent from my iPhone using Tapatalk

  8. #8
    Join Date
    May 2012
    Location
    Upper Michigan
    Posts
    3,587
    We have that exact pos on Hardee's here, Check the HX, had to replace the one we service last year and many other parts.


    Sent from my iPhone using Tapatalk

  9. #9
    Join Date
    May 2012
    Location
    Upper Michigan
    Posts
    3,587
    Quote Originally Posted by blazey10 View Post
    Please inspect that heat exchanger!


    Sent from my iPhone using Tapatalk
    Wow both a 6:55 but you were seconds ahead lol


    Sent from my iPhone using Tapatalk

  10. #10
    Join Date
    Dec 2002
    Location
    SouthEast NC ICW & Piedmont Foothills
    Posts
    7,619
    it's a Hall Effects Switch
    It`s better to be silent and thought the fool; than speak and remove all doubt.

  11. #11
    Join Date
    Sep 2002
    Location
    Virginia
    Posts
    2,747
    Sun was going down when i finished , ran out of time to check it over more.

    I will advise them its old as dirt and needs additional looking over of the HX tomorrow.

  12. #12
    Join Date
    May 2002
    Location
    evansville indiana
    Posts
    942
    Its either a centrifugal switch or a "hall effect" sensor depending on age of the unit ...

    http://sensors-actuators-info.blogsp...ct-sensor.html
    mikeacman

  13. #13
    Join Date
    Sep 2004
    Location
    Kansas City, Kansas, United States
    Posts
    13,817
    yes
    hall effect!
    that is what i was thinking of!
    I WILL SELL WORK,GENERATE BUSINESS, GO GET NEW CUSTOMERS!
    YOU SHUT THE HELL UP AND QUIT RUNNING YOUR MOUTH!

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