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    esquire1's Avatar
    esquire1 Posts: 2,483, Reputation: 209
    Ultra Member
    		  
    #1

    Oct 14, 2007, 11:09 AM
    Rheem Heat pump
    Oops. Posted in appliance by mistake. Package unit blew transformer. Found bare thermostat rubbing against case. Repaired, checked coil on contactor and the defrost board is good. Fried the new transformer. What am I missing?
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    Oct 14, 2007, 02:13 PM
    Something is still shorted out. Before you damage another transformer I suggest you install a in line fuse on the transformer. This way you can track down the problem and if the fuse blows you will know you have not found the problem yet. Fuses are a lot cheaper than transformers.
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