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  1. Replies
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    868

    123 for setpoints, and 321 for setup functions...

    123 for setpoints, and 321 for setup functions are factory default passwords for liebert. Units ship from the factory and will default to these passwords if the controls are put through a full reset....
  2. Replies
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    868

    you need to give more info in your profile. ...

    you need to give more info in your profile.

    Then.....

    what type of liebert system and what level of control?
  3. Replies
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    1,310

    You need to check the installation to insure the...

    You need to check the installation to insure the it doesn't exceed the NPSH of the pumps, don't forget to factor in the altitude if you are above sea level very much.
  4. Replies
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    3,112

    You could leave the beeper disabled and monitor...

    You could leave the beeper disabled and monitor the alarm contacts, it may be alarming and clearing before you see what is causing the alarm.
  5. Replies
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    2,482

    "All I see is a service cap missing an "O" ring";)

    "All I see is a service cap missing an "O" ring";)
  6. Replies
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    1,347

    No, double trapping will cause a unit to not...

    No, double trapping will cause a unit to not drain properly on a negative side system.
  7. Replies
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    849

    "Is the HGV to keep suction pressure up or lower...

    "Is the HGV to keep suction pressure up or lower head pressure?"

    To keep suction pressure up under low load.
    Head pressure is controlled by the condenser, most likely a P-66 control that...
  8. Replies
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    849

    "The hot gas valve was active and was dumping hot...

    "The hot gas valve was active and was dumping hot gas as it should"

    What was the suction pressure? the HGB should only allow flow if the suction pressure is below the valves setting. And yes the...
  9. Replies
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    849

    "On lieberts you will never get rid of all the...

    "On lieberts you will never get rid of all the bubbles all the time"


    Factory charge procedure calls for clearing sight glass then adding additional refrigerant to obtain an additional 5 to 10...
  10. Replies
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    4,494

    Kwik Charge...

    Kwik Charge
    http://www.grainger.com/Grainger/items/3KU66?BaseItem=1YNU9#
    I've been using one of these for years they work great.
  11. Replies
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    1,585

    Question #1 how much are your units loaded, you...

    Question #1 how much are your units loaded, you could determine by checking the run hours log if you have AM or AG processors, compare the fan run hours to the compressor run hours.

    Concerning the...
  12. Replies
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    3,550

    Just to clarify, the short to ground is most...

    Just to clarify, the short to ground is most likely or could be at just one location or area of on of the three independent windings of the motor. the motor windings are connected internally at each...
  13. Replies
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    1,616

    Really ? it doesn't sound like it to me.

    Really ? it doesn't sound like it to me.
  14. Replies
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    1,616

    Actually the econocoil will provide some cooling...

    Actually the econocoil will provide some cooling up to the point where the glycol temp is the same as the room temp.

    From the:
    Liebert Deluxe System 3
    Operation and Maintenance Manual
    ...
  15. Replies
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    1,023

    The common alarm is definantly a set of dry...

    The common alarm is definantly a set of dry contacts, are you sure you have your connections on TB1-6 and TB1-7.
  16. Replies
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    1,189

    yellow jacket makes one, just like a cutter but...

    yellow jacket makes one, just like a cutter but the wheel has a rounded edge, they work good.

    http://www.yellowjacket.com/HVACRProducts.asp?t=HVACR&l=9&c=82&p=172
  17. Replies
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    2,840

    "This will ensure enough liquid on a 95*F day" ...

    "This will ensure enough liquid on a 95*F day"

    I think the correct information would be that the ball at the 1/2 level of the top receiver sight glass would indicate the proper charge level for...
  18. SKOOKUM! It's a northwest thing, you might...

    SKOOKUM!



    It's a northwest thing, you might not understand.

    http://img356.imageshack.us/img356/4359/homeh1.jpg
  19. These type of systems need a fence built around...

    These type of systems need a fence built around the condenser to prevent the crosswinds from causing overcondensing, I agree that installing the condenser indoors to reclaim the heat would be a good...
  20. Replies
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    2,314

    Concentrics are fine installed horizontal, and as...

    Concentrics are fine installed horizontal, and as previously stated the intake air fitting must be oriented to prevent a water trap , also the piping must maintain the proper pitch for venting and...
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    I use nitrogen with 22 as a tracer gas, which is...

    I use nitrogen with 22 as a tracer gas, which is EPA Ok, and one of my leak detectors usually my Inficon D-tek or my H-10. Use only the best leak detector so you can trust it, and look until you find...
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    634

    That's sad, but on the bright side it sounds like...

    That's sad, but on the bright side it sounds like you weren't hurt too bad, although you should get checked out, and at least the other guy had ins. My daughter was rear ended with her sister in the...
  23. From the Sil Fos website, 'How To' Information...

    From the Sil Fos website,

    'How To' Information


    Frequently Asked Questions


    The Brazing Process - Six Basic StepsHowever, when brazing copper to steel (in compressor or valve assemblies)...
  24. Replies
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    1,756

    Don't be thick, study the info in the Deluxe...

    Don't be thick, study the info in the Deluxe System/3 Technical Data Book #SL-18100 (9/04) Book page #16, pdf page #20

    The type of systems I work on are liebert and if you check out the info...
  25. Replies
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    1,756

    A item to investigate with data cooling is the...

    A item to investigate with data cooling is the sensible heat ratio (SHR) of the equipment you are using, typical people coolers have a average SHR of .73, which means you will only get 73% of the btu...
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