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

    Jun 23, 2010, 04:32 PM
    What is the proper way to charge a A/C unit
    What is the proper way to charge a A/C unit? I have my e.p.a licence just want to see how other people do it.
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    Jun 23, 2010, 04:38 PM
    If you have your EPA certification you will know the correct way to recover refrigerant with a recovery machine and you will also know how to charge it. Since using refrigerant (Freon to some) is a item that needs special training and the EPA certification we do not post ways to charge a unit since this could leed other readers into some big time trouble.
    KISS's Avatar
    KISS Posts: 12,510, Reputation: 839
    Uber Member
    		  
    #3

    Jun 23, 2010, 04:39 PM

    Depends:

    1. Use weight for an empty system.
    2. Use superheat/subcooling

    Then there is all the other misc stuff that needs to be done such as leak checking etc.

    Why don't you write what you think needs to happen and we'll critique?
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