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  1. 21-03-2008, 03:26 AM #1
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    lraja
    lraja is offline improving poster
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    Propylene glycol - defrosting



    Hi

    What is the best method to defrost air coils that use propylene glycol as the cooling medium and tend to develop frost on the coil very regularly.

    cheers

    raja


  2. 29-03-2008, 02:48 PM #2
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    HallsEngineer
    HallsEngineer is offline regular poster
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    Re: Propylene glycol - defrosting

    We use a heating coil from our condenser side and switch to hot glycol but electrical defrost if not.
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