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  1. #1
    Join Date
    Feb 2012
    Location
    South Texas
    Posts
    6

    Confused Carlyle headaches

    Working on an Octagon unit with 4 30HP Carlyle compressors and have one that is bypassing pressure and cycling on and off. Already checked solanoid valve, internal pressure relief valve and all valve plates and gaskets....anything I am missing?

  2. #2
    Join Date
    Nov 2008
    Location
    Upstate South Carolina
    Posts
    38
    What is it cycling on and off on? Is it bypassing when off. Is it an 06e

  3. #3
    Join Date
    Jan 2008
    Location
    Dallas ,Texas
    Posts
    3,702
    Octagon like a stop sign?
    UA 100

    It takes three people to do anything around here. Two do the work, one explains to the crowd of people who showed up when they seen smoke and flames.

  4. #4
    Join Date
    Feb 2012
    Location
    South Texas
    Posts
    6

    Carlyle

    Octagon 120 ton package unit a/c...carlyle 06ea model compressor with unloader.

  5. #5
    Join Date
    Feb 2003
    Location
    Wichita Ks
    Posts
    1,457
    make sure you used the right head gaskets, I found many over the years that were wrong and would leak from high to low side. what is your discharge superheat?

  6. #6
    Join Date
    Jan 2008
    Location
    Dallas ,Texas
    Posts
    3,702
    Quote Originally Posted by freonrick View Post
    make sure you used the right head gaskets, I found many over the years that were wrong and would leak from high to low side. what is your discharge superheat?
    Yep I bet it's the center head gasket.
    UA 100

    It takes three people to do anything around here. Two do the work, one explains to the crowd of people who showed up when they seen smoke and flames.

  7. #7
    Join Date
    Feb 2012
    Location
    South Texas
    Posts
    6
    I have changed the center head gasket with valve plates and the internal pressure relief valve and it won't hold the pump down. Pressure goes up quickly. Replaced top gasket with same type.

  8. #8
    Join Date
    Jan 2008
    Location
    Dallas ,Texas
    Posts
    3,702
    Quote Originally Posted by EddieNorfoxx1969 View Post
    I have changed the center head gasket with valve plates and the internal pressure relief valve and it won't hold the pump down. Pressure goes up quickly. Replaced top gasket with same type.
    Did you have to cut out anything on the center gasket? Where did you get your new parts?
    UA 100

    It takes three people to do anything around here. Two do the work, one explains to the crowd of people who showed up when they seen smoke and flames.

  9. #9
    Join Date
    Feb 2012
    Location
    South Texas
    Posts
    6
    No I did not cut any part of the out just installed new one with same type of metal gasket along with valve plates and valves. Got parts from Carrier:

  10. #10
    Join Date
    Feb 2012
    Location
    South Texas
    Posts
    6
    I am also getting a lot of oil in cylinders.

  11. #11
    Join Date
    Jan 2008
    Location
    Dallas ,Texas
    Posts
    3,702
    Quote Originally Posted by EddieNorfoxx1969 View Post
    No I did not cut any part of the out just installed new one with same type of metal gasket along with valve plates and valves. Got parts from Carrier:
    I had something like this happen to me one time and it ended up that the valve plate package didn't have the correct gasket and I assumed wrong. You should have gotten instructions with your valve plate package. There is a section in there about the center head and you may need to cut a gasket . This may or may not be your situation but just an avenue to look.
    UA 100

    It takes three people to do anything around here. Two do the work, one explains to the crowd of people who showed up when they seen smoke and flames.

  12. #12
    Join Date
    Feb 2012
    Location
    South Texas
    Posts
    6
    I will look into that thanks for all the input guys....I truly appreciate it.

  13. #13
    Join Date
    Aug 2010
    Location
    Dearborn MI
    Posts
    94
    Always match the gasket to the side of the cylinder head that goes against the valve plate. This will eliminate any chance of a gasket mix up. Carlyle
    06E center, hot gas, and suction cutoff heads all require different gaskets to operate correctly. A mix up will cause rapid high to low side equalization of pressures. Send me a message if you need any further info.

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