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  1. #14
    Join Date
    Nov 2006
    Location
    Southeastern Pa
    Posts
    32,123
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    Quote Originally Posted by Dirt Farm View Post
    I went through basic electricity and electronics in the USN in 1982 
    The NAVPERS rate manuals are excellent for basic electricity.
    [Avatar photo from a Florida training accident. Everyone walked away.]
    2 Tim 3:16-17

    RSES CMS, HVAC Electrical Specialist
    Member, IAEI

    AOP Forum Rules:







  2. Likes shavedneon liked this post.
  3. #15
    Join Date
    Sep 2014
    Location
    Charlotte NC 28213 USA
    Posts
    100
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    Quote Originally Posted by Dirt Farm View Post
    Buford! Thank You ! I traced the xformer 28vac to the outside condenser contactor . . .wire biodegraded and grounding but not kill'n the xformer, "and" the one time resistor fuse was blown on one of the heat strips 😅👍🏻
    " wire biodegraded and grounding but not kill'n the xformer" That's one problem low voltage problem
    " one time resistor fuse was blown on one of the heat strips" There goes another problem, high voltage problem
    They're not related.

  4. #16
    Join Date
    Oct 2011
    Location
    Chicagoland Area
    Posts
    8,496
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    Quote Originally Posted by BBeerme View Post
    But, but, but . . . Isn't the heat strip itself a resistor?
    stop making sense
    Officially, Down for the count

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

    I know enough to know, I don't know enough
    Liberalism-Ideas so good they mandate them

  5. #17
    Join Date
    Apr 2007
    Location
    Tucson, Arizona
    Posts
    1,287
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    This one is bad in these pictures, from a First Company style soffit fan coil. These overheated by running the strips without the blower fan.
    Are these what you are referring to?
    There are two ways to do things, Right and Again.

  6. #18
    Join Date
    May 2001
    Location
    Abilene,texas
    Posts
    265
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    the problem is a fusible link you need to find it replace it and check filters and roll out, also check flue and stack, on a system that old i would check heat exchanger, now if this is an electric heat strip same would apply you have a fusible link broken somewhere you need to find it , and do the same , check filters and temp rise and fan speed
    Its not what you know its what you can prove.

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