Important Safety Instructions

! WARNING

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.

SAVE THESE INSTRUCTIONS

This manual contains important safety instructions. Read all safety, installation, and operating instructions before operating the Uninter- ruptible 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 “criti- cal” 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, 120V supply (programmable for 100, 110, 115, 120 and 127VAC output). Installation instructions and warning notices are located in this manual.

ELECTROMAGNETIC COMPATIBILITY—The GXT 2U™ Series complies with the limits for a CLASS A DIGITAL DEVICE, PURSU- ANT 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 tem- perature 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 corro- sive substances.