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  1. Replies
    28
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    9,606

    From the pictures it looked like every other 180...

    From the pictures it looked like every other 180 elbow went up slightly. I have a heat exchanger that does that. I think the pictures were just misleading, I was assuming it was the same as one I...
  2. Replies
    28
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    9,606

    The heat exchanger you are using isn't a...

    The heat exchanger you are using isn't a condenser but an evaporator. Follow the flow through the 180 bends and you will see it doesn't flow down consistently as it should. It goes down then back up...
  3. Replies
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    9,606

    Oh ok that's good you pulled a vacuum, I was just...

    Oh ok that's good you pulled a vacuum, I was just concerned there may be air in the system. After I vac my system I always close the manifold valves (low and high side valves) then disconnect the...
  4. Replies
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    I looked at the pictures again and noticed you're...

    I looked at the pictures again and noticed you're using an evaporator heat exchanger for your condenser. The flow direction of the pipes traps refrigerant and oil. Might not be a big deal for a...
  5. Replies
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    I only mentioned the valveplate because these...

    I only mentioned the valveplate because these compressors have reed valves which are simple spring steel "flaps" like an air compressor has and if they get too hot or withstand too much pressure they...
  6. Replies
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    9,606

    There are no real "stages" in this setup, so...

    There are no real "stages" in this setup, so let's disregard that nomenclature. You got a much lower temp at 20c because it was cooler. Plain and simple you had a lower head pressure which means...
  7. Replies
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    9,606

    Can you give the high and low side pressures? I...

    Can you give the high and low side pressures? I would like to know the pressures you were getting before using the chiller on the desuperheater. Such high pressures on high side with somewhat high...
  8. Replies
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    9,606

    Ambient temperature matters, but if you were at...

    Ambient temperature matters, but if you were at 275 psi without the chiller/cascade/desuperheater that's indicative of an overcharge condition or the condenser isn't very efficient. Although I wasn't...
  9. Replies
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    I was talking about your first pressures. Same...

    I was talking about your first pressures. Same situation though, I think your cap tube is too restrictive.
  10. Replies
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    9,606

    Sounds like it's overcharged. Your head pressure...

    Sounds like it's overcharged. Your head pressure shouldn't be that high. I'm thinking the cap tube is too restrictive so you overcharged trying to get more capacity.
  11. Replies
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    Very nice, looks so very sexy! So good to see...

    Very nice, looks so very sexy! So good to see someone actually doing some refrigeration on here.
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