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  1. Replies
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    suction line is 80 degrees.

    suction line is 80 degrees.
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    I figured 400cfm per ton of cooling and used a...

    I figured 400cfm per ton of cooling and used a sliding duct calc to lay it out. i may not be the sharpest service man, but I have fabed and installed alot of duct.
    so, here is where I am at now...
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    Poolde, the duct is all new and is sized...

    Poolde, the duct is all new and is sized properly.
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    No, problem was that I was using 404 instead of...

    No, problem was that I was using 404 instead of 410 on PT chart. Screwed up columns while scrolling down. So I now have, 90 ambient, have 350 head, 96 degree liquid line which makes 10 degree sub...
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    High sub cooling question

    I have a Rheem 3 ton split cooling unit.
    85 degrees outdoor temp
    133 suction pres
    335 high pressure
    12 degrees across evap
    And 26 degrees of sub cooling.

    Air flow is good, what am I not...
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    556

    I talked to a tech at Cornelious and the error...

    I talked to a tech at Cornelious and the error code 5 is the same on the 530 as it is on the bigger units. Which makes sense, and is backs up what I thought the problem might be. A water feed issue.
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    http://www.cornelius.com/about-us/heritage.aspx ...

    http://www.cornelius.com/about-us/heritage.aspx

    I guess everyone looked like a mobster in 1930.
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    Terry, I know, that has me puzzled. I am going to...

    Terry, I know, that has me puzzled. I am going to try something tomorrow and will post the results. But the red error light is definitely blinking five times.
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    Wait, I believe I might have it. To be...

    Wait, I believe I might have it. To be continued.....
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    2004. I've worked on alot older units. Sadly.

    2004. I've worked on alot older units. Sadly.
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    Cornelious XAC530 ice mach problem

    The unit had red error light flashing a 5 flash code. I don't find a 5 in the error codes for a 530. Unless I am reading it wrong.
    The unit when started after cycling on/off switch, compressor...
  12. Wish I had this forum along time ago!!

    Great to be able to ask a question to so many knowledgeable people at once.
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    I will take a closer look at things today. Thanks...

    I will take a closer look at things today. Thanks for all the help.
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    http://www.tecumseh.com/en/corporate/product-searc...

    http://www.tecumseh.com/en/corporate/product-search?application=LBP+-+Low+Back+Pressure&refrigerant=R12&voltage=208-230V+~+60Hz&capacity_min=0&capacity_max=44000&producttype=Condensing+Units
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    I don't believe it was ever a freezer, maybe...

    I don't believe it was ever a freezer, maybe someone purchased the wrong condensing unit. I can't go into the history of work that has been done at this place, but it's very sketchy, to say the...
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    Is it common to have a low back pressure...

    Is it common to have a low back pressure condenser on a 40 degree walk in cooler?
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    R12 Low pressure on walk in cooler

    Have a walk in cooler where I work that had a frozen evap. After looking into it, I was surprised to see a low back pressure condenser on this walk in. Is this normal? The walk in is used in a...
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