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Thread: yk disaster

  1. #27
    Join Date
    Mar 2007
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    3,140
    Quote Originally Posted by york56 View Post
    York doesn't run at 35000 rpm that would be more like a McQuay high speed or as we would say screamer Yorks are more in the 12000-15000 range.
    I've been around a few McQuay PEH and PFH centrifugals from 300 to 1200 tons, and they have been very quiet. Are there some others that are much louder? I haven't worked with any of McQuay's large industrial chillers, or any of the old Westinghouse chillers.

    Now Carrier's XLs, EXs, and FAs... OMFG are those things loud! Loud in an annoying "get me the @#$% out of this room" way. York YKs always seem to have a low-pitch roaring sound that I think is pretty cool. I don't much care for the sound of the YTs, especially the ones with drives on them...
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  2. #28
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    Mar 2008
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    philadelphia
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    373
    shut the liquid injection off

  3. #29
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    Sep 2007
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    Yea I was speaking about those old Westinghouse Centrifugal Chillers when they unload you will need some hearing protection in that room.
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  4. #30
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    Dec 2008
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    Dixiana, AL
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    Quote Originally Posted by Tech Rob View Post
    ... OMFG ...
    The book of Exodus, chapter 20, verse 7, comes to mind. I hope this was just a slip - it seems a little beneath you...

  5. #31
    Join Date
    Apr 2012
    Location
    So. Fl.
    Posts
    57
    We have chillers tear up like this in so. Fl., almost always preceded by a sudden drop & spike in power, which caused motor to slow down and then increase to operating speed. Sheared bolts, damaged impellar, have to do a complete overhaul. Since we couldn't count on the integrity of all the internal parts anymore.

  6. #32
    Join Date
    Jan 2008
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    windy city
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    4,444
    Quote Originally Posted by Tech Rob View Post
    I've been around a few McQuay PEH and PFH centrifugals from 300 to 1200 tons, and they have been very quiet. Are there some others that are much louder? I haven't worked with any of McQuay's large industrial chillers, or any of the old Westinghouse chillers.

    Now Carrier's XLs, EXs, and FAs... OMFG are those things loud! Loud in an annoying "get me the @#$% out of this room" way. York YKs always seem to have a low-pitch roaring sound that I think is pretty cool. I don't much care for the sound of the YTs, especially the ones with drives on them...
    Really?
    I had a room with 4 1000t mcqways. ear plugs and ear muffs were not enough to block out the noise.
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