30hxc screwy sounding screw compressor - Page 2
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  1. #14
    Join Date
    Jan 2009
    Location
    Not in Iran
    Posts
    1,046
    and that there son is how a tube bust.,.,lol
    no signature blast'em man blast'em
    !!!KILL THE TERRORIST!!!

  2. #15
    Join Date
    Oct 2004
    Location
    Metro ATL
    Posts
    454
    Break out the heat gun and the patience. Don't let the customer or the boss push you cause replacing tubes sucks!

  3. #16
    Join Date
    May 2008
    Location
    Central Pennsylvania
    Posts
    438
    Quote Originally Posted by mlkwal1 View Post
    and that there son is how a tube bust.,.,lol
    Git-r-done!!

  4. #17
    Join Date
    Jan 2009
    Location
    Not in Iran
    Posts
    1,046
    rerplacing tube., h***., flooded machine
    no signature blast'em man blast'em
    !!!KILL THE TERRORIST!!!

  5. #18
    I know this is a huge fear in the industry. But,you have to take a close look at what your working on. For Instance where is the liquid port located? How far away from the tubes is it? You are not going to freeze a tube on a RTHD by dumping liquid into the evap liquid port at the bottom of the barrel. And I dont see a reason to shutdown or pumpdown a 30h (However I am not that familiar with this machine). Refrigerant is going to migrate to the coldest place so why not use this same port for adding ref. Then you dont risk carry over(slugging) or shutting down the machine. You also dont need water running through the barrel When removing refrigerant once you get all refrigerant isolated into the evap/cond. when pulling off the bottom. That way with multiple chiller plants you are not mixing water for very long and therefore not loosing the temp/humidity control of the building. Now If we are talking brazed plate and frame heat exchangers you better have water running at all times. And have fun adding refrigerant to these. They are a pain.

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