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  1. #1
    Join Date
    Sep 2005
    Location
    Houston,MS
    Posts
    14
    I was wondering if any of you could help me figure this one out.I am a York dealer and I am working on an old Carrier heat pump, some genius ripped the model nameplate off the unit and now I have to try to figure out what size the thing is. The Carlyle compressor has model number MD20913HB.Does anyone have an idea of what ton unit this might be? The only place that I know of to try to find out anything about this and the guy tells me he has no idea.

  2. #2
    Join Date
    Oct 2003
    Location
    tidewater, va
    Posts
    2,144
    Airpro,

    Two suggestions. Try calling the Carrier distributor in the area. Or, maybe you can go a round about way. If the area is a "tract" style area- all the units are the same, you know, all the same size houses, sneak a peak at their units. Also, I assume that you could'nt get any info off of the indoor unit, like model# or maybe an expansion valve size?

    Try Carrier. Good luck.


    r404a

  3. #3
    Join Date
    Apr 2004
    Posts
    7,680
    why not do a load calc, your hedging your bet that the last guy got it right and that nothing has changed since then.

  4. #4
    Join Date
    Sep 2005
    Location
    Houston,MS
    Posts
    14

    Lightbulb

    THANX DOC, Good Suggestion.

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