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    teacno17's Avatar
    teacno17 Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Oct 30, 2009, 11:29 AM
    Evaporator coil frizes only on 1/2 the coil, why?
    Refrigearator evap coil is only frizing on 1/2 of coils, can you tell me why?
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    Oct 30, 2009, 12:31 PM
    Improper metering device or defective metering device.
    Low refrigerant charge.
    Lack of proper air movement across coil.
    Outside unit running in Low ambiant conditions outside.

    There can be other reasons but you will need to do a superheat or subcooling calculation to pin point the problem.
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