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  1. #14
    Join Date
    Nov 2011
    Location
    USA
    Posts
    1,921
    Post Likes
    Based on the furnace I want to get (carrier infinity series oil furnace OVL098) for a 1.5 ton system the dips are 600,660,640 cfm none of which are my design cfm.
    I looked at the report numbers and still don't know what the 908 cfm is referencing...and can't find any assistance via Google. You'll have to inquire with the folks who designed the app.

    But we all know cooling cfm is 400 ア 50 per ton. If the furnace you want will operate within the allowable temp rise, that's the one you need to buy.


  2. #15
    Join Date
    Aug 2002
    Location
    Southold, NY
    Posts
    21,458
    Post Likes
    The DIP switches are worthless with measuring actual air flow.

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