Emerson GXT2U User Manual

This manual contains important safety instructions. Read all safety, 

installation, 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. Individuals without previous 

training can install and operate this equipment. 
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 

local dealer or Liebert representative.
This UPS is designed for use on a properly grounded (earthed), 50Hz or 60Hz, 

208V supply (programmable for 200, 208, 220, 230, and 240VAC output). 

Installation instructions and warning notices are located in this manual.
ELECTROMAGNETIC COMPATIBILITY—The Liebert GXT2U™ Series 

complies with the limits for a CLASS A DIGITAL DEVICE, PURSUANT TO 

Part 15 of FCC rules. Operation is subject to the following two conditions: (1) 

This device may not cause harmful interference, and (2) 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.
Operate the UPS in an indoor environment only in an ambient temperature 

range of 32°F to +104°F (0°C to +40°C). Install it in a clean environment, free 

from moisture, flammable liquids, gases and corrosive substances.
This UPS contains no user serviceable parts except the internal battery pack. 

The UPS ON/Standby push buttons do not electrically isolate internal parts. 

Under no circumstances attempt to gain access internally other than to 

replace the batteries due to risk of electric shock or burn. Do not continue to 

use the UPS if the front panel indications are not in accordance with these 

operating instructions or if the UPS performance alters in use. Refer all faults 

to your local dealer, Liebert representative or the Liebert Worldwide Support 

Group.
Servicing of batteries should be performed or supervised by personnel 

knowledgeable of batteries and the required precautions. Keep unauthorized 

personnel away from the batteries. PROPER DISPOSAL OF BATTERIES IS 

REQUIRED. REFER TO YOUR LOCAL LAWS AND REGULATIONS FOR 

BATTERY DISPOSAL REQUIREMENTS.
Never block or insert any object into the ventilation holes or other openings of 

the UPS.

Opening or removing the cover may expose you to lethal voltages 

within this unit even when it is apparently not operating and the 

input wiring is disconnected from the electrical source. Observe all 

cautions and warnings in this manual. Failure to do so MAY result 

in serious injury or death. Refer all UPS and battery service to 

qualified service personnel. Do not attempt to service this product 

yourself. Never work alone.