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    mikeylyksit's Avatar
    mikeylyksit Posts: 6, Reputation: 1
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    #1

    Nov 4, 2008, 08:40 PM
    Intertherm heating unit, loud buzzing
    When I turn heat on I hear loud buzzing noise, maybe someone can tell me what to look 4 as I cannot afford to hire someone to look at it
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    Nov 4, 2008, 10:56 PM
    Exact model number
    Kind of furnace?? Oil,gas,Electric.
    dac122's Avatar
    dac122 Posts: 463, Reputation: 17
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    #3

    Nov 5, 2008, 09:47 AM

    And where is the buzzing coming from?
    mikeylyksit's Avatar
    mikeylyksit Posts: 6, Reputation: 1
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    #4

    Nov 5, 2008, 04:01 PM
    Model# e2eb-015hr electric.
    mikeylyksit's Avatar
    mikeylyksit Posts: 6, Reputation: 1
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    #5

    Nov 5, 2008, 04:04 PM
    I took the acess panel off today and turneed unit on and the buzzing was coming from a black plastic thing, and it became very hot in just a second.
    mikeylyksit's Avatar
    mikeylyksit Posts: 6, Reputation: 1
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    #6

    Nov 5, 2008, 04:14 PM

    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #7

    Nov 5, 2008, 04:55 PM
    Wiring diagram

    http://www.nordyne.com/Literature/710222.pdf

    Install instructions and more wiring diagrams

    http://www.nordyne.com/Literature/708172a.pdf


    Service manual with pictures of parts.


    http://www.nordyne.com/Literature/359a.pdf


    Complete replacement parts list with pictures.

    http://www.nordyne.com/Literature/708057a.pdf

    Be smart and save copys to your hard drive for future needs.

    Locate the item that is buzzing and post back. NOTE: turn off power while you are playing with the heater. 240 volts can kill you.
    mikeylyksit's Avatar
    mikeylyksit Posts: 6, Reputation: 1
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    #8

    Nov 5, 2008, 06:13 PM

    OK it's the transformer, any idea how much this part should cost or is that even the trouble
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #9

    Nov 5, 2008, 06:57 PM
    The part number is on the list. You will have to call around to get a price.

    Other transformers can be used since many suppliers may not have the exact part number you need. You will have to check with a local supplier or on the net.
    dac122's Avatar
    dac122 Posts: 463, Reputation: 17
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    #10

    Nov 5, 2008, 07:50 PM

    Just replaced my 24VAC transformer for around $20. Cut the power to the unit, take a picture or write down how its wired and take it to a heating specialty place. They can match it up with something pretty close. Make it easy on yourself and insist they give you a new transformer that has identical spade connectors.

    BTW they do get a little warm (not too warm to touch) and buzz a little, so don't be too surprised when the new one does this some.
    mikeylyksit's Avatar
    mikeylyksit Posts: 6, Reputation: 1
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    #11

    Nov 5, 2008, 08:03 PM

    Thanks guys, I really appreciate all your help
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