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Brad White_92
Brad White_92 Member Posts: 6
in A-C, Heat Pumps & Refrigeration
size but with refrigeration OD governs. This is of course based on ACR grade which is the same dimensionally as Type L.

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  • Techman
    Techman Member Posts: 2,144
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    Copper tube sizing

    Why is 3/4 O.D. copper NOT listed in the engineering guide for refrigeration? Such as,a Copelaweld mn#F3AD-0201-CFV cond unit,R-22,@+20 evap produces 14,550 btu's.The engineering guide suggests 5/8 OD for up to 25' and 7/8 OD for upto 50'.I slip in 3/4OD copper for the actual 35' run .Am I short changing myself? Thanks To All!
  • Techman
    Techman Member Posts: 2,144
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    OD COPPER

    Evening Brad!I am talking of 3/4 OD copper,not the "plumbers" 3/4 ID which is our(ACR) 7/8 OD copper. Thanks!3/4 OD copper is used mostly for AC units.
  • Brad White_92
    Brad White_92 Member Posts: 6
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    Duh, my bad!

    I should have read your question more carefully...and rambled about what you obviously well know already :+

    Best answer I can give (and still be right) is:

    I dunno!

    :)

    Good question though...
  • Techman
    Techman Member Posts: 2,144
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    Brad

    I dunno 2.
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