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  1. #1
    Join Date
    Apr 2017
    Location
    North Carolina
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    1
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    Question Interior and Exterior units compatible?

    My exterior unit is original and my interior unit has been replaced prior to me purchasing my home, I'd like to make sure the units are compatible.

    The exterior unit is a Goodman brand 2007 2.5 ton with R-22 refrigerant and a Max Fuse/Bkr/Power 20 amp.

    Then I have a Lennox brand interior unit model# CX34-30B-F-2 serial# 6015B16026 with R-22 refrigerant and a max 480 PSIG design press.

    Thanks

  2. #2
    Join Date
    May 2000
    Location
    Indianapolis, IN, USA
    Posts
    40,766
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    The CX34 comes with a 410 TXV. Unless the installer changed the TXV to a 22 version, you probably aren't performing too well. If he did, you should be just fine. You might need a start assist kit on the Goodman if it doesn't have a scroll compressor.

  3. #3
    Join Date
    Jan 2014
    Location
    New England
    Posts
    6,765
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    http://www.buildingcenter.org/lennox...%20manufacture

    Style 1 looks to show yours was built in 2015 February looking at the serial number.

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