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  1. Why not just disable the comp ol alarm?

    Why not just disable the comp ol alarm?
  2. Replies
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    Some manufacturers ,like Liebert, specify 250...

    Some manufacturers ,like Liebert, specify 250 microns or lower on their systems.
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    1,126

    Just pressurize with nitrogen before opening the...

    Just pressurize with nitrogen before opening the system, and continue to purge N until its closed back up. No way moisture can get in there if you do it that way.
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    1,422

    22 or 410a

    22 or 410a
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    3,652

    Did you put an amp clamp on it on start up? This...

    Did you put an amp clamp on it on start up? This unit doesnt have 2 compressor capacitors does it? Trane used to keep the compressor warm by running current through one of the caps.
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    Not so fast with the flow being a problem. He's...

    Not so fast with the flow being a problem. He's having issues in heating and cooling.
  7. They all work pretty well. I like the Hot Dam...

    They all work pretty well. I like the Hot Dam paste. I can put it where I want it and it cleans up easy.
  8. And the same failures with R22. Oil and...

    And the same failures with R22. Oil and refrigerant type so far seem to be irrelevant.
  9. I agree about pm's. We catch a lot of bellows...

    I agree about pm's. We catch a lot of bellows failures on pm's. Usually before it even causes a noticeable change in the charge.
  10. 44 suction with 11* superheat on a 100' lineset? ...

    44 suction with 11* superheat on a 100' lineset? Have you verified proper air flow?
  11. ICOM has a pump down failure alarm. 7 pump downs...

    ICOM has a pump down failure alarm. 7 pump downs in an hour during off cycle will trip it. You can disable it on newer sw versions.
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    2,299

    Sounds like he fixed it.

    Sounds like he fixed it.
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    497

    Is there a short in the Y2 circuit?

    Is there a short in the Y2 circuit?
  14. Replies
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    1,777

    Go talk to the local union. Im not union now, but...

    Go talk to the local union. Im not union now, but if i had to do it over thats where I would start.
  15. Replies
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    1,223

    Is the inlet higher than the outlet? If so the...

    Is the inlet higher than the outlet? If so the hot water is rising, you have no flow. Why do you have no flow? That is the question. There isn't a failed in line booster pump to the unit is there?...
  16. Ill never understand why Liebert didnt includee...

    Ill never understand why Liebert didnt includee cch on all 06Ds.
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    466

    You can find H10s all day long on ebay.

    You can find H10s all day long on ebay.
  18. Thread: Leak repair

    by duckman373
    Replies
    38
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    2,598

    So how does molten solder stick to a cold piece...

    So how does molten solder stick to a cold piece of copper?
  19. Thread: Leak repair

    by duckman373
    Replies
    38
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    2,598

    And on this episode of "1000 Ways to Die"...........

    And on this episode of "1000 Ways to Die"........ Lol
  20. Thread: liebert rep

    by duckman373
    Replies
    61
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    4,471

    You had to mention the super duper secret...

    You had to mention the super duper secret password. The world will self destruct in 10 seconds lol.
  21. Thread: liebert rep

    by duckman373
    Replies
    61
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    4,471

    You really need to contact liebert tech support...

    You really need to contact liebert tech support before making any changes in advanced menus. One small change in adv can screw up several things in other areas. Go work for a Liebert rep and get...
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    1,300

    Not bad for comp sh. I like it at 20-25

    Not bad for comp sh. I like it at 20-25
  23. Replies
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    1,300

    What's your static?

    What's your static?
  24. Replies
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    819

    Take temps across the drier. Doubt it's blocked...

    Take temps across the drier. Doubt it's blocked with a 95 suction and 10 degree SH.
  25. Replies
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    1,750

    I work with it every day.

    I work with it every day.
  26. Replies
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    1,750

    Your avatar is sexy

    Your avatar is sexy
  27. Replies
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    2,764

    And get your local portable cooler rental guy on...

    And get your local portable cooler rental guy on speed dial lol n
  28. Replies
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    2,764

    And put 90lbs of 22 and 407c on your truck as...

    And put 90lbs of 22 and 407c on your truck as well.
  29. Replies
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    2,764

    We get parts from a local leibert supplier. That...

    We get parts from a local leibert supplier. That being said , if you're going into the CRAC sector, you would be wise to stock every part imaginable that will keep the units from working. When the...
  30. Replies
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    1,750

    Only 1 fan? Is this a minimate? Most liebert...

    Only 1 fan? Is this a minimate? Most liebert single fan units use HPCVs ( headmasters). Sounds after market. And yes, always use OEM brother
  31. Replies
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    Most liebert manuals are available on the...

    Most liebert manuals are available on the interwebs.
  32. Replies
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    565

    Is the motor labeled "thermally protected" ?

    Is the motor labeled "thermally protected" ?
  33. Replies
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    Could be, but not visually inspecting the HX is...

    Could be, but not visually inspecting the HX is setting yourself up to look like an arse.
  34. Replies
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    862

    .........

    .........
  35. Replies
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    Learn how to check static pressure. Just google...

    Learn how to check static pressure. Just google it, there's lot's of info on it. If your static is off then check your coils filters and belts, check for damaged duct work, check for closed dampers.
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    Mistakes happen. Just be sure to learn from them.

    Mistakes happen. Just be sure to learn from them.
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    Then you came to the wrong place.

    Then you came to the wrong place.
  38. Replies
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    570

    It's using a special meter to test the condition...

    It's using a special meter to test the condition of a motor's internal insulation, among other things. Do a google search, lots of info out there.
  39. Replies
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    1,030

    Yeah, megging would be one of the first things to...

    Yeah, megging would be one of the first things to do.
  40. Replies
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    1,030

    Not an easy way to troubleshoot, but you could...

    Not an easy way to troubleshoot, but you could install fuse blocks on all motors individually. Would narrow down your search as a last resort
  41. Replies
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    1,254

    Life aint about work, it's about what you do...

    Life aint about work, it's about what you do when your not working. I agree, try your manager one more time, but you gotta do what makes you happy. It's a lot easier to find a job, than it is for...
  42. Replies
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    579

    Oil changes can be more important imo, but of...

    Oil changes can be more important imo, but of course do both when cleaning out acid. I also only use oil samples for acid tests.
  43. Replies
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    20,934

    Who are you with in Phx?

    Who are you with in Phx?
  44. Replies
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    3,565

    Ya know, those oval tanks can be turned into ...

    Ya know, those oval tanks can be turned into nice pig cookers.
  45. Replies
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    1,412

    250 at the coil doesn't seem like a restriction,...

    250 at the coil doesn't seem like a restriction, but I would like to know the head pressure at the discharg line. How far down did you pull a vacuum?
  46. You won't get true readings until the conditioned...

    You won't get true readings until the conditioned space is at design temp. 95 degrees indoor temps are pretty extreme, and will definitely raise your pressures and temps. What is your outdoor...
  47. Replies
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    Depends on the unit. Some units have it printed...

    Depends on the unit. Some units have it printed on a panel, some come with literature which will have the info you need. If it's an old unit with a TXV, 8 degrees sc and 13 degrees sh is a good...
  48. Replies
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    1,230

    Condenser clean? Maybe a split coil that hasn't...

    Condenser clean? Maybe a split coil that hasn't been cleaned properly in a while. 285 is high for 88* O/D temps.
  49. Replies
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    528

    So the new comps had POE? Should be fine if so.

    So the new comps had POE? Should be fine if so.
  50. Thread: AAON unit

    by duckman373
    Replies
    7
    Views
    1,241

    Even if it has a schraeder, I've had more than I...

    Even if it has a schraeder, I've had more than I can remember leaking to the point where getting a new switch on was difficult. Be safe and reclaim it , or just add a tee to your high side access ...
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