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  1. Replies
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    Correct Ryan

    Correct Ryan
  2. Replies
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    492

    Came back and checked my code. 1sq"/7000btu

    Came back and checked my code. 1sq"/7000btu
  3. Replies
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    492

    Amount of fresh air required

    Not carrying my Ontario B149 in the truck today. Just looking for a quick answer.
    What is the fresh air required for 600,000btu?
    Thanks in advance
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    303

    www.google.com

    www.google.com
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    Some basic info would help us help you Pressure...

    Some basic info would help us help you
    Pressure @ freeze cycle and harvest cycle
    inlet water temp
    freeze and harvest times
    Actually your production seems pretty good

    You say you only get 10lbs...
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    572

    sounds like the TXV is bad Was it sweat or...

    sounds like the TXV is bad
    Was it sweat or flare?
    If it's sweat did you wrap it before brazing? (Be honest)
    is the bulb mounted in the correct position? ( 7 or 5 o clock on outlet of evap outlet)...
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    Would have recovered, changed drier, evacuated to...

    Would have recovered, changed drier, evacuated to 500 microns, charged with 409a to name plate (probably on left inside cooler) if no nameplate charge to 10F superheat. If there was a restriction in...
  8. Lucky.....

    Lucky.....
  9. Industrial grade Nitrogen has 7.3PPM of moisture...

    Industrial grade Nitrogen has 7.3PPM of moisture
    Carbon Dioxide has 11.3PPM of moisture
    I really dont see how 4ppm could make a difference
  10. so how much moisture is in nitrogen>? and why is...

    so how much moisture is in nitrogen>?
    and why is IT so good for purging?
  11. Sounds like C02 as a purging/pressure test tool...

    Sounds like C02 as a purging/pressure test tool gets a failing grade.
    Maybe I should make the switch.
    I just purchased a new micron gauge and 1/2 evacuation manifold with 1/2 hoses!! (in the mail)...
  12. Replies
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    Good thread everyone!

    Good thread everyone!
  13. Replies
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    1,165

    A12-1560 works EVERY time

    A12-1560
    works EVERY time
  14. Replies
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    1,165

    The A12-1560 is meant to have contact with the...

    The A12-1560 is meant to have contact with the coil.
    You must weave it through the coil.
    Despite what they say a defrost clock is NOT required. With a constant cut in of 38F the coil will never...
  15. Can you back this up with evidence? It cant be...

    Can you back this up with evidence?
    It cant be that bad if there is a big push for c02 as a refrigerant.
  16. Using CO2 as a purging gas instead of Nitrogen

    Does anyone use c02 to purge with while welding instead of nitrogen?
    Is nitrogen drier? or is c02?
    We have a tank of c02 for blowing out condensers and have always used c02. I have never really...
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    Any pictures of that rig??

    Any pictures of that rig??
  18. Replies
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    Fantastic reply! Guys like you are what this...

    Fantastic reply!
    Guys like you are what this trade needs.
    You gave me a clear answer with ways to improve.
    Thanks
  19. Replies
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    Parallel Vacuum Pumps

    I have thought of making a fitting to pair two vacuum pumps together with some copper tube.
    Something I could easily connect when I want a really quick good vacuum when I only have 2 places to...
  20. Replies
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    Found this with a simple google search ...

    Found this with a simple google search

    http://www.partstown.com/masterbilt/mb19-13822
  21. Replies
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    1,165

    I use Ranco A12-1560 and have never had an issue...

    I use Ranco A12-1560 and have never had an issue with a new stat. You must weave the stat through the evap when installing. It has a constant cut in of 38F and an adjustable range from 19F-29F.
  22. Replies
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    May not be related but be sure that inlet water...

    May not be related but be sure that inlet water temp is above 45F if it is below this you may not be picking up enough heat during the freeze cycle. I have had this happen once but for the most part...
  23. Replies
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    Can you send it to jwmmccoy@gmail.com ? Much...

    Can you send it to jwmmccoy@gmail.com ?
    Much appreciated
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    Do you have a copy of this? I did a quick test...

    Do you have a copy of this?
    I did a quick test on the roof but cant remember what steps should be first
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    Thanks dandyme I assumed I would be replacing...

    Thanks dandyme
    I assumed I would be replacing the motor. To often in our trade we replace entire parts (ie. a Motor) when something small can be replaced instead. As a new-ish tech I am always...
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