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Thread: Trane RTU

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  1. #1
    Join Date
    May 2011
    Location
    Detroit, MI
    Posts
    27

    Trane RTU

    Trane
    M/N TSC036A3REAO1E1000000A3B4A

    I was leak checking this unit today, and saw a LL drier on the compressor discharge. Was thinking someone screwed up because it's 3/8 and just assumed it was the LL. Also, what can happen with a LL drier on the gas discharge? Will it damage the drier or system in any way? Will the drier do it's job effectively?
    Thanks in advance.

  2. #2
    Join Date
    Nov 2010
    Location
    Missouri
    Posts
    357
    Quote Originally Posted by tek1 View Post
    Trane
    M/N TSC036A3REAO1E1000000A3B4A

    I was leak checking this unit today, and saw a LL drier on the compressor discharge. Was thinking someone screwed up because it's 3/8 and just assumed it was the LL. Also, what can happen with a LL drier on the gas discharge? Will it damage the drier or system in any way? Will the drier do it's job effectively?
    Thanks in advance.
    Are you sure it is not a muffler? Drier in hot gas line will fall apart eventually
    then crap in system I do not believe drier will do it`s job at all

  3. #3
    Join Date
    Apr 2012
    Location
    Paper Street Soap Company
    Posts
    2,304
    Quote Originally Posted by tek1 View Post
    Trane
    M/N TSC036A3REAO1E1000000A3B4A

    I was leak checking this unit today, and saw a LL drier on the compressor discharge. Was thinking someone screwed up because it's 3/8 and just assumed it was the LL. Also, what can happen with a LL drier on the gas discharge? Will it damage the drier or system in any way? Will the drier do it's job effectively?
    Thanks in advance.
    It will eventually take out that compressor.

  4. #4
    Join Date
    Feb 2004
    Location
    Ky
    Posts
    269
    Seen this a few times. It's a screw up. Someone changes the compressor, and see's the small line, hey, we'll put it in here!
    As earlier said, designed for filtering liquid, so can't do the job with hot gas. Easy to spot when clogged, frost on the downstream side of the dryer.
    LN

  5. #5
    Join Date
    May 2011
    Location
    Detroit, MI
    Posts
    27
    xpuser, I am sure it's a drier. I read it right on the side of it.

  6. #6
    Join Date
    May 2011
    Location
    Detroit, MI
    Posts
    27
    Well hopefully it didn't damage the compressor...I guess I'll find out when I eventually start the unit up.

  7. #7
    Join Date
    Jun 2012
    Location
    Queens, New York
    Posts
    66
    I would remove it and re-pipe the line, then I would check the liquid line to see if there is a drier installed. It would be a good idea to replace the liquid line drier.

  8. #8
    Join Date
    Feb 2004
    Location
    Ky
    Posts
    269
    They usually have that red Shiite from the factory on either end of them.
    LN

  9. #9
    Join Date
    May 2011
    Location
    Detroit, MI
    Posts
    27
    I was able to get back over there today. I fixed the leak, repiped where the drier was in the discharge line, and added a LL drier to the proper place. I left it with a nitrogen charge overnight. I should be able to get it going tomorrow.

  10. #10
    Join Date
    Aug 2011
    Location
    Pearl Miss
    Posts
    14
    Blow out the evap coil. That dryer could have broken up and sent Desiccants down the line.

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