Vertiv
™
|
Liebert
®
NX
™
225-600kVA Installation Manual | Rev. 8 | 07/2017
1
IMPORTANT SAFETY INSTRUCTIONS
SAVE THESE INSTRUCTIONS
This manual contains important instructions that should be followed during installation of your Liebert NX UPS.
Read this manual thoroughly, paying special attention to the sections that apply to your installation, before
working with the UPS. Retain this manual for use by installing personnel.
!
WARNING
Risk of electrical shock. Can cause personal injury or death.
This UPS has several circuits that are energized with high DC as well as AC voltages. Check for voltage
with both AC and DC voltmeters before working within the UPS. Check for voltage with both AC and DC
voltmeters before making contact.
Only properly trained and qualified personnel wearing appropriate safety headgear, gloves, shoes and
glasses should be involved in installing the UPS or preparing the UPS for installation. When performing
maintenance with any part of the equipment under power, service personnel and test equipment should
be standing on rubber mats.
In case of fire involving electrical equipment, use only carbon dioxide fire extinguishers or those approved
for use in fighting electrical fires.
Extreme caution is required when performing installation and maintenance.
Special safety precautions are required for procedures involving handling, installation and maintenance of
the UPS system. Observe all safety precautions in this manual before handling or installing the UPS
system. Observe all precautions in the Operation and Maintenance Manual, SL-25434, before as well as
during performance of all maintenance procedures. Observe all DC safety precautions before working on
or near the DC system.
!
WARNING
Risk of heavy unit falling over. Improper handling can cause equipment damage, injury or death.
Exercise extreme care when handling UPS cabinets to avoid equipment damage or injury to personnel.
The UPS module weight is up to 4450 lb. (2019kg).
Locate center of gravity symbols and determine unit weight before handling each cabinet. Test lift and
balance the cabinets before transporting. Maintain minimum tilt from vertical at all times.
Slots at the base of the module cabinets are intended for forklift use. Base slots will support the unit only
if the forks are completely beneath the unit.
Read all of the following instructions before attempting to move, lift, or remove packaging from unit, or
prepare unit for installation.