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  1. Refrigerant circuit animation video

    Here is nice explanation:

    Updated 28-09-2013 at 08:10 AM by nike123

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  2. Major differences between R22 and R410 kompressors

    Quote Originally Posted by nike123 View Post
    There are three distinct design differences between and R-22 and R-410A compressor:
    • Different Oil: Because mineral oil, normally used in R-22 compressors, is not miscible with HFC refrigerants such as R-410A, Copeland uses a synthetic Polyol Ester Oil (POE) in R-410A approved compressors.
    • Reduced Compressor Displacement: A pound of R-410A has approximately the same heat carrying capacity relationship to R-22 as R-22 has to R-12, therefore, the compressor displacement has to be reduced
    ...
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