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Thread: heat pumps

  1. #1
    Join Date
    Oct 2004
    Posts
    4
    I'm new at these game and I had a call to fix a heat pump. the breaker was tripped. I didn't find any thing wrong with the electrical system. but they called me back becouse it tripped the breaker again. What am I missing?

  2. #2
    Join Date
    Mar 2003
    Location
    Cincinnati
    Posts
    7,977
    Proper training possibly ??

    What did you check in the electrical system??

  3. #3
    Join Date
    Apr 2004
    Posts
    7,680
    Yeah you probably need to have one of the other techs in your company look at it and explain a few things to you. Fresh out of school with a new EPA card and a bag of tools is just a start.

    So far you didnt tell us which breaker tripped. Air handler or outdoor unit and unless you actually used an ammeter, it will be a long road ahead. Good luck.

  4. #4
    Join Date
    Oct 2004
    Posts
    4
    Hey, easy on the new guy. I'm sure you never had any problems when it come to trouble shooting,but not everybodys like you! I did use a ammeter and it was the indoor unit that tripped.

  5. #5
    Join Date
    Apr 2004
    Posts
    7,680
    Trying to go easy. You simply stated you checked it out and then wanted to know what are you missing. How are we supposed to work with that? Did you expect an answer to such an ambiguous question to be something specific? Maybe one of the other guys has ESP or a magic wand he can wave.
    Dont get your skivvies in a wad, I took the time to read your other posts before responding which were 1. I am beginning a career in HVAC, what tools should I buy and 2. How do I find out about EPA certification. I do commend you however for convincing someone to set you free in a service truck so early in your career.

    You'll get plenty of help here as long as your specific and accurate, otherwise you get what you get.

    Now...

    What was the amps you read? Was everyting running? (all heat strips and blower etc.) What size breaker was it? What does the rating plate call for? What size wire is run? How far? Is it single or dual curcuits? What was your voltage?
    Whats the motor rated and actual amps? Did the Capacitor check out?






  6. #6
    Join Date
    Jan 2004
    Location
    Lancaster PA
    Posts
    67,722
    Pretty much what Doc just asked, plus, did you make sure all the strips were on when you amped it out.

    How long did you leave it run while you were checking it, some times the breaker will be weak and trip after a 20 minute cycle with all the strips on, but hold for a 10 minute test.



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  7. #7
    Join Date
    Feb 2004
    Location
    Ohio
    Posts
    276
    does the air handler have aluminum or copper wire to it if not copper it is a good chance that the screws are loose and the breaker is heating up and then tripping

  8. #8
    Join Date
    Feb 2005
    Location
    Alabama
    Posts
    534
    Are the breakers in GOOD condition? Are they warm or hot to the touch? How long does the system run before the breaker trips?
    "If you can't fix it, don't break it."

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