
IMPORTANT SAFETY INSTRUCTIONS
SAVE THESE INSTRUCTIONS
This manual contains important safety instructions. Read all safety and operating instructions before operating the
uninterruptible power system (UPS). Adhere to all warnings on the unit and in this manual. Follow all operating and user
instructions. This equipment can be operated by individuals without previous training.
This product is designed for commercial/industrial use only. It is not intended for use with life support and other designated
“critical” devices. Maximum load must not exceed that shown on the UPS rating label. The UPS is designed for data
processing equipment. If uncertain, consult your dealer or local Emerson Network Power representative.
This UPS is designed for use on a properly grounded (earthed), 100/200, 110/220, 115/230, 120/208,120/240 or 127/220VAC,
50 or 60Hz supply. The factory default setting is 120/208VAC, 60Hz. Installation instructions and warning notices are in this
manual.
The Liebert GXT3 208VAC 5000 - 10000 is designed for use with a four-wire input (L1, L2, N, G).
The Liebert GXT3-6000RTL630 is designed be used with a three-wire, two-phase utility source (L1,L2, G).
WARNING! The battery can present a risk of electrical shock and high short circuit current. The following
precautions should be observed when replacing the battery pack:
•Wear rubber gloves and boots
•Remove rings, watches and other metal objects.
•Use tools with insulated handles.
•Do not lay tools or other metal objects on the batteries.
•If the battery kit is damaged in any way or shows signs of leakage, contact your local Vertiv representative
immediately.
•Do not dispose of batteries in a fire. The batteries may explode.
•Handle, transport and recycle batteries in accordance with local regulations.
WARNING! Although the Liebert GXT3 has been designed and manufactured to ensure personal safety,
improper use can result in electrical shock or fire. To ensure safety, observe the following precautions:
•Turn Off and unplug the Liebert GXT3 before cleaning it.
•Clean the UPS with a dry cloth. Do no use liquid or aerosol cleaners.
•Never block or insert any objects into the ventilation holes or other openings of the UPS.
•Do not place the Liebert GXT3 power cord where it might be damaged.
ELECTROMAGNETIC COMPATIBILITY—The Liebert GXT3 complies with the limits for a ClassA digital device,
pursuant to Part 15 of FCC rules.
Operation is subject to the following conditions:
•This device may not cause harmful interference.
•This device must accept any interference received, including interference that may cause undesired operation.
Operating this device in a residential area is likely to cause harmful interference that users must correct at their
own expense.
The Liebert GXT3 series complies with the requirements of EMC Directive 2004/108/EC and the published technical
standards. Continued compliance requires installation in accordance with these instructions and use of accessories
approved by Emerson.
Vertiv | Liebert® GXT3 ™ Installer/User Guide | 5