mcquay r12 chiller
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  1. #1
    Join Date
    Jul 2003
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    Texas
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    mcquay r12 chiller

    we are in the process of performing repairs and possibly a refrigerant retrofit on this machine. I am also looking for refrigerant amount for R12. Any recommendations.
    Unit Model # PEH050 Serial # 5RF03U1400

  2. #2
    Join Date
    Jul 2007
    Location
    Virginia
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    5,316
    Quote Originally Posted by chillerguru View Post
    we are in the process of performing repairs and possibly a refrigerant retrofit on this machine. I am also looking for refrigerant amount for R12. Any recommendations.
    Unit Model # PEH050 Serial # 5RF03U1400
    I'm not a chiller guy, but see if these manuals will help you at all.

    First Attachment:
    Chilller Identification is on page 28,
    Evaporator Physical Data is on page 30.
    This manual references R134A as the refrigerent.

    Second Attachment:
    This is an old PEH operating manual from 1986 that does reference R12 as the refrigerant, but only tells you to check the name plate for unit charge.

    This probably isn't what you wanted, but maybe you can get some info out of them.
    Attached Files Attached Files
    Instead of learning the tricks of the trade, learn the trade.

  3. #3
    Join Date
    Dec 2002
    Location
    peoples republic of maryland
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    956
    I currently service two PEH100 machines from 1984. They have 1400# R-12 in them still. They are 350 ton, single pass ice machines. Leaving water temp22*. Been good machines, a few minor issues however they been good machines.
    "The meek shall inherit the earth"
    "he that's walking with wise persons will become wise, but he that is having dealings with the stupid ones will fare badly" Proverbs 13:20
    "Pressure is something people feel when they don't know what their doing". Peyton Manning-superbowl MVP

  4. #4
    Join Date
    Feb 2008
    Location
    Ringgold GA
    Posts
    152
    i've got a PEH063 that holds about 840 lbs of that there R-12. looks as if your machine is just a bit smaller and would guess that the charge would be in the 650 lb range. if i can scrounge any other info i'll pass it along.
    We aren't service engineers, we are service re-engineers!! Work is what you make it, have fun.....

  5. #5
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    Jun 2007
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    Chicagoland
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    freonrick, never received your message on PHE063.E-mail says it was sent>

  6. #6
    Join Date
    Feb 2003
    Location
    Wichita Ks
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    what email?

  7. #7
    Join Date
    Jun 2007
    Location
    Chicagoland
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    PEH063 McQuay

    I received an email from the forum stating you posted a comment

  8. #8
    Join Date
    Jun 2007
    Location
    Chicagoland
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    122

    This email

    Dear JKD,

    freonrick has just replied to a thread you have subscribed to entitled - mcquay r12 chiller - in the AOP Commercial HVAC forum of HVAC-Talk: Heating, Air & Refrigeration Discussion.

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    There may be other replies also, but you will not receive any more notifications until you visit the forum again.

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  9. #9
    Join Date
    Feb 2003
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    that just to let you know there was a reply to the thread you posted on. It does it automatically.

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