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Thread: 3 ton question

  1. #1
    Join Date
    May 2005
    Location
    midwest
    Posts
    9
    Will a 3 1/2 ton A-coil with TXV work with a 3 ton condensing unit without changing the TXV to a 3 ton valve? In other words, will the 3.5 ton coil work with 3 ton outdoor section as-is?

    Thanks.

  2. #2
    Join Date
    Mar 2004
    Location
    SE Michigan
    Posts
    17,598
    Yes, Check by sub-cooling method though.
    "The road to Hell is paved with progressive policies."

  3. #3
    Join Date
    May 2005
    Posts
    428
    yes you can

  4. #4
    Join Date
    May 2005
    Location
    midwest
    Posts
    9
    I was thinking it probably could, but my experience in using the 1/2 ton bigger indoor coil is more with 10 SEER piston type, not TXV. In piston metering, I would put the 3 ton piston packed with condensing unit in the 3.5 A-coil, with good results. Since TXV's job is to keep evap flooded at a certain superheat, I thought that even a three ton valve should work, but am not a serviceman, so wasn't sure. I'm mostly a sheet metal mechanic, not much service experience.

    Thanks for your replys, coolwhip and hvacguy1075.

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