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    joe45's Avatar
    joe45 Posts: 1, Reputation: 1
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    #1

    Feb 25, 2008, 07:45 PM
    Changing R410 to R22
    Has anyone taken out R410 from a R410 system and put in R22.
    NorthernHeat's Avatar
    NorthernHeat Posts: 1,455, Reputation: 132
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    #2

    Feb 25, 2008, 09:40 PM
    No. I wouldn't even think to try. Will be impossible by design of the 2 systems.
    tsa7man's Avatar
    tsa7man Posts: 154, Reputation: 9
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    #3

    Feb 26, 2008, 09:37 AM
    I have seen that only once, where a hvac tech didn't read the ID plate to charge a leaking system that had leaked all of the R410a out, and recharged it by ACCIDENT with R-22. It did NOT work after the recharge!!
    eschuen's Avatar
    eschuen Posts: 62, Reputation: 6
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    #4

    Feb 26, 2008, 07:33 PM
    Sort of expensive but can be done. You need to change the compressor and metering device
    NorthernHeat's Avatar
    NorthernHeat Posts: 1,455, Reputation: 132
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    #5

    Feb 26, 2008, 09:34 PM
    Quote Originally Posted by eschuen
    sort of expensive but can be done. You need to change the compressor and metering device
    You need to flush all the POE oils and add mineral oil. You will have a flooded condenser coil. Since 410A has more BTU per lb. than r-22, the condenser coil is smaller. And on and on and on. You may as well make your own A/C system.
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