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  1. I think that you are missing something as you...

    I think that you are missing something as you indicated the alarm is a digital scroll discharge temp alarm, is there not sensor on the discharge line off the compressor? Why look at the condenser?
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    854

    You may want to check 37/38 as this is for the...

    You may want to check 37/38 as this is for the remote shutdown, i.e. fire alarm panel. You may wnat to install a jumper to check if it is coming from the unit or an external source.

    Hope this...
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    3,503

    Your best bet would be to contact your local...

    Your best bet would be to contact your local Liebert Rep in your area and get an exact replacement.
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    1,059

    Liebert Model Number

    skibme,

    You should be able to find the unit nameplate on a Mini Mate on the left hand side of the exterior panel of the unit if has not been removed, this will be in the ceiling. Some older units...
  5. Thread: Liebert ICOMM

    by Domcort
    Replies
    4
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    612

    Liebert iCom

    muchofreeo,

    That is correct, when connected to a BMS system either Modus, Bacnet or other the system will not accept changes locally, and must be done on the head end. Unless you disconnect it via...
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    1,672

    Tie the smoke detector in series with the remote...

    Tie the smoke detector in series with the remote shutdown, so that if either of them open the unit will shutdown.
    Check your units schematic for connection of the pan float switch, as you have...
  7. Replies
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    675

    epacertified, The model VS028AUCO will have a...

    epacertified,

    The model VS028AUCO will have a iCom Controller, the unit should also have a intellislot card holder where it will accept cards for monitoring and or communications. No converter...
  8. Replies
    5
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    675

    :cheers: Intellislot Monitoring Cards LBDS ...

    :cheers:

    Intellislot Monitoring Cards LBDS

    Acquire the monitoring card from you local Liebert Rep, after installing you must setup it up thru HyperTerminal with the customer's network...
  9. Replies
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    1,672

    as stated, please don't do that Liebert has...

    as stated, please don't do that

    Liebert has panels that are designed to do that, Lead/Lag, changeover, temp staging. They are called AC4 and AC8, contact your local Liebert guy for advice.
  10. Replies
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    2,064

    havc-superman is correct, block part of the...

    havc-superman is correct,
    block part of the condenser coil to get the head pressure up to 230psi-240psi and the ball should be floating in the sight glass.
  11. Replies
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    3,233

    One VFD for three devices, that is one way to...

    One VFD for three devices, that is one way to keep all devices the same speed. Must be a 10hp VFD to handle the motors as well.

    I did not say that it could not be done, but many manufacture's have...
  12. Replies
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    3,233

    Let me reclarify scrolls less than 20hp, is what...

    Let me reclarify scrolls less than 20hp, is what I was referring too.
    VFD on Chillers all day long on 200-300 ton screws, and centrifs.
  13. Replies
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    3,233

    Digital Scroll Compressors

    Well VFD's on compressors have been attempted before, with a small amount of sucess.

    This is why they are using the solinoid unloader as the capacity control method, similar to the SCR reheat as...
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    399

    Doctor, First thing is that the XDC requires...

    Doctor,

    First thing is that the XDC requires 40% or 64kw of heat load to properly operate and the sensor placement is very critical on these systems, as well as a hot aisle cold aisle contaiment....
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    778

    134a cooling system

    Randy,

    Who is the Manufacture of the equipment at Alcatel-Lucent? As Liebert and APC, have this type of system. I have worked on many Lieberts and the pressures are pretty low as it is pumped...
  16. Replies
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    1,342

    Battery for Level 00

    Freonguy,

    These batteriers are still available from the factory part# G12-4480S the description is a 3.6 PWB Mount.

    Contact your Local Liebert Rep Office to order as needed.

    Hope this Helps,
  17. Replies
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    1,342

    Battery for Level 00

    Freonguy,

    This is a 3v battery, I will investigate a cross reference number or a suitable replacement. The new iCom boards now have a stand up disc shaped battery that is soldered in, some AM/AG...
  18. Replies
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    1,077

    Agreed, you should have a higher TD across the...

    Agreed, you should have a higher TD across the coaxial condenser. Keep us posted on the resolution.
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    1,231

    XD Systems

    Philip,

    I have started many XD systems, you can contact me thru the email address in my profile as well if you wish.

    Domcort
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    Doctor, I have always kept the Min Set Point...

    Doctor,

    I have always kept the Min Set Point for the XD systems between 70 to 72 degrees. The sytem is not design to maintain room temperature, just refrigerant temp.

    Feel free to contact me if...
  21. Thread: liebert help

    by Domcort
    Replies
    7
    Views
    1,200

    How long is that piping run? removing 63lbs of...

    How long is that piping run? removing 63lbs of refrigerant for a 5-ton unit, that quite a bit.
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    7,421

    Yeah, it makes me laugh too when contractors do...

    Yeah, it makes me laugh too when contractors do not utilize any safety's that the manufacturer installs in the equipment, or any local codes that may prevent this from happening. Seen it many times,...
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    4
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    753

    Air Flow Airedale APC Blazer Canatal Data...

    Air Flow
    Airedale
    APC
    Blazer
    Canatal
    Data Aire
    Pamona
  24. Replies
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    1,737

    Jim4237 The factory is going always give you...

    Jim4237

    The factory is going always give you the worst case senario as if the were out of the part you were looking for: I believe that you are looking for a
    4C13121G1 depending on your unit. If...
  25. Since you have replaced the valve have you...

    Since you have replaced the valve have you recalibrated the valve with the existing actuator, default is 165 sec for full travel. Their are steps to recalibrated in the manual for the unit or try...
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