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    dbowers's Avatar
    dbowers Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Nov 1, 2013, 03:29 PM
    Heating unit
    I have a inter-therm unit , model e2eb-012hb replaced contactor because heating unit would start up then shut off and contactor would click as if trying to come on, as I said I just replaced contactor with contactor #624722 which replaces contactor #621909 but unit still doing same thing checked heating coils (no breaks, looks ok) any ideas about what to check next?
    Thanks
    Grady White's Avatar
    Grady White Posts: 1,417, Reputation: 59
    Ultra Member
    		  
    #2

    Nov 1, 2013, 07:01 PM
    I suggest checking incoming voltage to the contactor. If 240 volts (+/-) is found, check the outgoing voltage from the contactor.

    Here's a link to the service manual. http://www.nordyne.com/Literature/359a.pdf
    The wiring diagram for your furnace is on page 18.
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