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    chudrun's Avatar
    chudrun Posts: 2, Reputation: 1
    New Member
    		  
    #1

    Jul 29, 2012, 09:26 AM
    Troubleshoot My Central Air Conditioning System
    How much freon does a 2 & 1/2 ton central ac system require
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    Jul 29, 2012, 01:52 PM
    Quote Originally Posted by chudrun View Post
    How much freon does a 2 & 1/2 ton central ac system require
    There is no set amount. It depends upon the coil sizes in the indoor and outdoor plus the length and size of the line set that connects the two coils.
    MrAir's Avatar
    MrAir Posts: 8, Reputation: 1
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    #3

    Jul 29, 2012, 05:25 PM
    The amount the unit uses is stamped (printed) on the outside unit. The copper line set and the evaporator use a little more. THis is not an exact answer because you have to look up the line set and evaporator numbers but think 1 to 2 lbs over what the condenser shows is a close number.
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