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  1. #14
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    Quote Originally Posted by Daniel Yetsko View Post
    They don't have gauges that go to 600.
    The regulator does!

  2. #15
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    Quote Originally Posted by pecmsg View Post
    The regulator does!
    Im not condoning, that is just a common excuse I hear in the real world.

    Sent from my SM-S327VL using Tapatalk

  3. #16
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    Quote Originally Posted by Daniel Yetsko View Post
    Im not condoning, that is just a common excuse I hear in the real world.

    Sent from my SM-S327VL using Tapatalk
    Then WHY does the factory want a 600# 24 Hr Pressure Test?

    Learn to separate rumors from documented facts!

  4. #17
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    Apr 2018
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    Ithaca, New York
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    I always pressure test to 600. I dont think you're picking up what im putting down. All I was saying is the excuse guys have said in person, at several Mitsubishi training classes I've been to, is that their gauges don't go to 600. Because they're cheap ****ers who don't care enough to do it right.
    Quote Originally Posted by pecmsg View Post
    Then WHY does the factory want a 600# 24 Hr Pressure Test?

    Learn to separate rumors from documented facts!
    Sent from my SM-S327VL using Tapatalk

  5. #18
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    Jun 2014
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    Quote Originally Posted by Daniel Yetsko View Post
    They don't have gauges that go to 600.

    Sent from my SM-S327VL using Tapatalk
    Sure they do, two high side gauges and a high pressure nitrogen regulator.
    If I was doing the startup on your equipment, and you didn’t have the test pressure the manual called for, I leave until you do the test right.
    I havent failed. Ive just found 10,000 ways that wont work. - Thomas Edison

    Its not whether you get knocked down, its whether you get up. - Vince Lombardi

    "In this house we obey the laws of thermodynamics" - Homer Simpson

  6. #19
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    Apr 2018
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    If you're doing the startup you should be the one testing the lines.
    Quote Originally Posted by rider77 View Post
    Sure they do, two high side gauges and a high pressure nitrogen regulator.
    If I was doing the startup on your equipment, and you didnt have the test pressure the manual called for, I leave until you do the test right.
    Sent from my SM-S327VL using Tapatalk

  7. #20
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    Nov 2006
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    Let's direct our ire to the post #10. He's the one who disagreed with a 600 PSI test.
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  8. #21
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    Quote Originally Posted by Daniel Yetsko View Post
    If you're doing the startup you should be the one testing the lines.

    Sent from my SM-S327VL using Tapatalk
    That’s not how it works. I’m there for startup and setup only. Installers have test pressure in and correct.
    I havent failed. Ive just found 10,000 ways that wont work. - Thomas Edison

    Its not whether you get knocked down, its whether you get up. - Vince Lombardi

    "In this house we obey the laws of thermodynamics" - Homer Simpson

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  10. #22
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    Apr 2018
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    Quote Originally Posted by rider77 View Post
    Thats not how it works. Im there for startup and setup only. Installers have test pressure in and correct.
    So your job is to draw it down after the install? Are you union commercial?

    Sent from my SM-S327VL using Tapatalk

  11. #23
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    Quote Originally Posted by Daniel Yetsko View Post
    So your job is to draw it down after the install? Are you union commercial?

    Sent from my SM-S327VL using Tapatalk
    Install was completed and lines under pressure test. This was for commercial VRF systems.
    I handled evacuation and everything thereafter.
    Both union and non union companies do it this way in this region.
    I havent failed. Ive just found 10,000 ways that wont work. - Thomas Edison

    Its not whether you get knocked down, its whether you get up. - Vince Lombardi

    "In this house we obey the laws of thermodynamics" - Homer Simpson

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  13. #24
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    Jun 2018
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    I agree with you. This workflow is absolutely logical. Installers should test their tubes for leakage, because nobody wants to show his mistakes, it's better to hide them.
    And do you know how much time is needed to find leakage by an outsider? All this results in higher overall system price.

    Отправлено с моего Redmi 4X через Tapatalk

  14. #25
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    Jan 2004
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    PA
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    Quote Originally Posted by Ml002 View Post
    600psi for 24 hours, using medical grade nitrogen. That's what a rep told me. Asked where I can get the medical grade nitrogen, and he couldn't answer. Asked what the difference was between the nitro and couldn't answer. I don't leak check over 400psi, to many times, the pressure leaked through the service valves into the condenser. That just makes my day.
    Medical grade actually isn't as pure as dry nitrogen.
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  15. #26
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    Jan 2008
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    The install manuals(http://meus1.mylinkdrive.com/files/P...6H11_10-16.pdf) on www.mylinkdrive.com say pressurize in the steps with the final one being a 4.15 mpa(~601psi). One to one systems should take less then 1 hour to get down below 500 microns. It requires a decent pump with clean oil...I use a JB dv200n and I run it long enough to warm the oil, then replace it. The I triple evac to 600 sweeping with nitrogen at 5000 and 1000. The hold < 500 for two hours.
    "If history repeats itself I am so getting a dinosaur"

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