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    bigm67's Avatar
    bigm67 Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Aug 25, 2008, 08:38 PM
    A C power
    What size breaker should be used for a 3 ton ac unit? Our ac is drawing twice as much power then it should. :eek:
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    Aug 25, 2008, 10:28 PM
    It all depends upon the unit. The exact current draw will be stated on the outside unit identification plate. Some units will use more current than others depending upon the efficiency of the unit. Post back with the numbers off the plate.
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