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  1. #1
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    Nov 2018
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    Old Existing RTUs - How to figure tonnage & CFM from Model Numbers

    Hi Everyone,

    We are working on an energy audit for a friend and it is a little out of our wheelhouse. Does anyone have a way to figure out the tonnage &/or CFMs for the following list of RTUs? We are using 350CFM = 1 Ton for this project. Any help would be greatly appreciated!

    MANUFACTURER MODEL
    CARRIER 48GS-024040301
    CARRIER 48GS-018040301
    CARRIER 48KCEA04A2A3A0A0A0
    CARRIER 48DJE006550

    TRANE XCH09043HOAA

    AMERICAN STANDARD YSC033G3EHA01000,000,000,000,000,OF000,000,000,0
    AMERICAN STANDARD YSC072F3EHAIV000,000,000,000,000,0C00,000,000,0

  2. #2
    Join Date
    Jul 2007
    Location
    Virginia
    Posts
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    Quote Originally Posted by HVAC-Taylor View Post
    Hi Everyone,

    We are working on an energy audit for a friend and it is a little out of our wheelhouse. Does anyone have a way to figure out the tonnage &/or CFMs for the following list of RTUs? We are using 350CFM = 1 Ton for this project. Any help would be greatly appreciated!

    MANUFACTURER MODEL
    CARRIER 48GS-024040301 2 ton
    CARRIER 48GS-018040301 1.5 ton
    CARRIER 48KCEA04A2A3A0A0A0 3 ton
    CARRIER 48DJE006550 5 ton

    TRANE XCH09043HOAA 7.5 ton (note: this model number should be YCH090A3HOAA)

    AMERICAN STANDARD YSC033G3EHA01000,000,000,000,000,OF000,000,000,0 3 ton
    AMERICAN STANDARD YSC072F3EHAIV000,000,000,000,000,0C00,000,000,0 6 ton
    .
    Instead of learning the tricks of the trade, learn the trade.

  3. #3
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    Nov 2004
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    up in the hizzy
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    There is not better place for the working men than the union! 100% UA the only HVAC union!

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