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3 SLI-23185QS6_Rev0_09-2012
The Liebert
®
GXT3
™
UPS is ready to be powered.
1. Locate the plastic bezel from the shipping box and attach the bezel to the UPS taking care to align the fastening
clips on both ends before inserting them into the holes.
2. If your application requires the use of external battery cabinets for longer back up time requirements, connect the
first battery cabinet to the UPS with the cable provided with the battery cabinet. Note: Either connector is
acceptable to connect the external battery cabinet. If more than one battery cabinet is used the additional
cabinets then connect to the previously connected battery cabinet.
3. Ensure the maintenance bypass breaker is in the open position and that the guard is secured in place.
4. Ensure that the REPO connector on the rear of the unit has a jumper between pins 1-2 of the REPO connector or
properly wired to an Emergency Power Off circuit (normally closed).
5. Install any optional Intellislot communication card into the Intellislot port on the rear of the unit.
6. Close the input breaker in the panelboard that provides input power to the UPS
7. Close the input breaker on the rear of the UPS unit. Note: The UPS will now have power and the AC Input
indicator on the display will illuminate. The UPS will begin to charge the internal batteries causing the battery
capacity LEDs to illuminate.
8. The Liebert GXT3 UPS has customizable settings that might be required depending on the application. Please
review the CD that ships with the UPS unit for the steps to use the configuration program and make any
necessary changes. Once that is complete, proceed to the next step.
9. Close all output breakers on the rear of the UPS
10. If external battery cabinets are used, close all breakers on the rear of each battery cabinet
11. Press and hold for about 4 seconds, the “ON” button on the UPS display. Note: this will apply power to the output
receptacles via the internal bypass. The bypass indicator will be illuminated along with an audible beep during this
time.
12. Over the next several seconds the UPS will perform the self checks and then automatically transfer the connected
equipment to conditioned power. Once that is complete, the bypass indicator will turn off and the inverter
indicator will illuminate.
The UPS is now running in normal operation mode providing protected, filtered power to the connected equipment.
6000VA