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IMPORTANT SAFETY INSTRUCTIONS
SAVE THESE INSTRUCTIONS
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), 100/200, 110/220, 115/230, 120/208,
120/240 or 127/220 VAC, 50 Hz or 60 Hz supply. The factory default setting is 120/208 VAC, 60 Hz.
Installation instructions and warning notices are located in this manual.
This UPS is only for use with a four-wire input (L1, L2, N, G).
This UPS MAY NOT be used with a three-wire, single-phase utility source (L1, N, G).
ELECTROMAGNETIC COMPATIBILITY—The Liebert GXT2-10000RT208 Series complies with
the limits for a CLASS A DIGITAL DEVICE, PURSUANT TO Part 15 of FCC rules. Operation is sub-
ject 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 opera-
tion. 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 conductive contaminants, moisture, flam-
mable liquids, gases and corrosive substances.
This UPS contains no user serviceable parts except the internal battery pack. The Off/Bypass push
button does 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 DIS-
POSAL 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.
DO NOT CONNECT equipment that could overload the UPS or demand half-wave rectification from
the UPS, for example: electric drills, vacuum cleaners, laser printers, hair dryers or any other appli-
ance using half-wave rectification.
Storing magnetic media on top of the UPS may result in data loss or corruption.
Turn the UPS off and isolate the UPS before cleaning; use only a soft cloth, never liquid or aerosol
cleaners. Keep the front and rear vents free of dust accumulation that could restrict airflow.
!
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.
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