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  1. #1

    410 a refrigerant

    Can you top off a 410a scroll air cooled chiller, or do you have to completely recover the charge.

  2. #2
    Join Date
    Jul 2006
    Of course you can top it off. Why would you have to recover it all?

  3. #3


    because it's a blend, and the refrigerant could become out of balance and cause your metering device to to flash.

  4. #4
    Join Date
    Jan 2009
    How much is missing? few lbs? half the charge?
    Where did it go?

  5. #5
    Quote Originally Posted by yellowirenut View Post
    How much is missing? few lbs? half the charge?
    Where did it go?
    about 25% of the charge is gone

  6. #6
    Join Date
    Dec 2005
    Cincinnati, Oh
    the blend in 410a won't leak out at different rates anyways.

    You lost 25%? where'd it go to?
    "Better tell the sandman to stay away, because we're gonna be workin on this one all night."

    "Dude, you need more than 2 wires to a condenser to run a 2 stage heatpump."

    "Just get it done son."

    Dad adjusted

  7. #7
    Join Date
    Mar 2011
    East Coast FL
    R-410A is a near azeotropic blend.

    It is resistant to fractionalization.

    But they still want you to handle it as though it will.

    Most people I talk to have good luck with 410 re-charges.

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