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  1. Thread: Nate senior

    by King4207
    Replies
    34
    Views
    3,711

    Can anyone make reccomendations on which books...

    Can anyone make reccomendations on which books are actually required for the Senior Nate test? There are 15 to 20 books listed on their web site as references for the Senior. I really don't want...
  2. Replies
    2
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    697

    At NYS mill, many of those old units, being...

    At NYS mill, many of those old units, being Lintern L-27's and L-50's are still running as well as a lot of new Lintern and Nordic R-124 units. We are in the process of changing out all the older...
  3. Replies
    154
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    30,768

    In NE Arkansas most applicants coming out of...

    In NE Arkansas most applicants coming out of local trade schools can't draw a refrigerant circuit and use it to discuss superheat, sub cooling, latent heat or sensible heat. They seem to be even...
  4. Replies
    2
    Views
    697

    R-124 high ambient refrigerant

    R-124 for high ambient 140deg+ use is being regulated out, if not entirely by the EPA then by some companies due to their company's HCFC policies. Anyone have experience with any other high ambient...
  5. Replies
    25
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    3,638

    I ran across this post on Lieberts and was...

    I ran across this post on Lieberts and was curious if anyone's experience proves them to be reliable or if they are over engineered and have lots of issues. my shop will be tasked with working on a...
  6. I have recently purchased 3 in the dry Goodman 5...

    I have recently purchased 3 in the dry Goodman 5 ton 3ph 480 v and 7.5 ton 3ph 208v but can't find them in 3ph 480v which i also need
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