Page 1 of 2 12 LastLast
Results 1 to 13 of 19

Thread: RTAA-300 LEAK

  1. #1
    Join Date
    Jul 2009
    Posts
    31
    Post Likes

    RTAA-300 LEAK

    Hey guys just wanted to throw this one out there. I put lip seal by passes on a & b compressors,on circuit 1. I started to fill with nitrogen for a 3 time evacuation but kept losing pressure , looked and looked with soap bubbles, honestly I was getting ready to punt, finally found the leak, my question to you all (where was it?) Hint: It was not in any fittings . Tim

  2. #2
    Join Date
    Aug 2000
    Location
    USA
    Posts
    5,019
    Post Likes
    Tube sheet? Compressor casting?
    Your poor planning does not constitute an emergency on my part!!!!

  3. #3
    Join Date
    Nov 2007
    Location
    I am unsure myself
    Posts
    1,116
    Post Likes
    My guess on your guages

  4. #4
    Join Date
    Aug 2009
    Location
    Seattle Area
    Posts
    58
    Post Likes
    The most frustrated I've been yet with a leak repair was an EXV on an RTAA leaking at the electrical connections.............at the terminal board midway on the machine!!

  5. #5
    Join Date
    Jul 2009
    Posts
    31
    Post Likes

    answer

    At the electrical terminal on the motor, 6 studs coming out of motor, all where loose,tightened ,problem leak gone. I think I also age a few years in the process. Tim

  6. #6
    Join Date
    Mar 2005
    Location
    Indiana
    Posts
    166
    Post Likes
    That is the most common and first place to look on a RTAA. You don't want to just tighten them you want to rework them with the new insulator and o-ring design. If you megged the motor it would probably meg low due to rust under those original insulators.

  7. #7
    Join Date
    Mar 2004
    Location
    ottawa canada
    Posts
    2,209
    Post Likes
    If the insulators are square then you should replace with the new style rounded ones . They shed the condensation better and prevent the corrosion between the insulator and the terminal plate and the leaks that go with that corrosion.
    The toy chest is officially full ... I got a new toy..... 2007 Aston Martin V8 Vantage
    You bend em" I"ll mend em" !!!!!!!
    I"m not a service tech.. I"m a thermodynamic transfer analyst & strategic system sustainability specialist
    In the garage , greasin', oilin' . tweakin' n shinin' Roll on spring 2015 !!

  8. #8
    Join Date
    Jul 2009
    Posts
    31
    Post Likes

    Humbled

    Thanks , I very much wecolme the input. These units are only 11 years old ,do all the chillers you guys work on have as many problems and need as much updating as these rtaa-300 and what is your honest opinion of them ? And Who makes the best chiller ? Thanks Tim

  9. #9
    Join Date
    Jul 2009
    Posts
    31
    Post Likes

    Long year

    Well it looks like I will be back at it.

  10. #10
    Join Date
    Apr 2004
    Location
    Lombard, IL
    Posts
    29
    Post Likes
    Trane still makes the best chiller Tim. We have outstanding products. Any rotary compressor is going to have the same issues whether it is made by trane or not. Its mechanical and things break. Yes it is hard to stop a trane. Not impossible.

  11. #11
    Join Date
    Jan 2009
    Location
    Not in Iran
    Posts
    1,119
    Post Likes
    i enjoy working on the rtaa., and espscially on the cvhe and f.,
    also ., i just bought a digital megger., is anyone famuliar with these., of course is made in china.,
    any input

  12. #12
    Join Date
    Feb 2010
    Location
    MEXICO
    Posts
    479
    Post Likes
    TUBING ECONOMIZER

  13. #13
    Join Date
    Aug 2006
    Location
    Mixing oil and fire with a big spoon.
    Posts
    4,723
    Post Likes
    Quote Originally Posted by servicetrane View Post
    TUBING ECONOMIZER
    what?
    Once you go black...you never go back to galvanized.

Page 1 of 2 12 LastLast

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  

Related Forums

Plumbing Talks | Contractor MagazineThe place where Electrical professionals meet.
Comfortech365 Virtual Event