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  1. 02-06-2013, 05:22 PM #1
    sabur2121
    sabur2121 is offline Regular Guest
    Join Date
    Apr 2010
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    15

    Charging R410a and R422D

    Can anyone direct me to a website that shows the proper way to charge R410a, and have any of you guys converted over to the new R22? I'm hearing different ways to convert. One of the ways was to change the valve stem and just charge the normal way, but there are other ways as well.

    Thanks
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  2. 02-06-2013, 05:53 PM #2
    woody19
    woody19 is offline Professional Member*
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    Mar 2003
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    1,215
    Charge it like you would any other system using either sub-cool if a txv system or superheat if a fixed orifice...or weigh it in and check both. Beware of the new r-22 some have butane/propane properties.
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  3. 02-06-2013, 06:15 PM #3
    Rob_in_WV
    Rob_in_WV is offline Professional Member*
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    Ripley, WV
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    818
    Also keep in mind you're supposed to Charge blended refrigerants in liquid form (Be sure to throttle it in).
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