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Liebert® GXT3™
Plastic Bezel
Status Indicators
and Controls
Tower
Support
Base
Liebert GXT3 UPS
With
External Battery Cabinet
Liebert GXT3 UPS
Quick Start Guide – 500-3000VA RT120 & 3000RT208 & 1000MT120 Models
The Liebert GXT3 is shipped with the following items:
• Terminal Block Communication terminals
• Compact disc with:
o Liebert MultiLink®
o Configuration program
o User manual (electronic version)
• USB cable, one; 2m (6-1/2 ft.) long
• Rack handles with mounting hardware
• Plastic tower support base, one set
• Plastic Bezel
• Warnings, safety instructions booklet and WEEE recycling sheet (ISO 14001 compliance)
If the installation is in the Tower orientation, locate the support base and stand the UPS up on the support base. Note the
display should be located on the upper half of the unit in the Tower orientation and to rotate the display, grasp the sides
and rotate it 90 degrees clockwise. If the UPS is to be installed in a rack enclosure, follow the instructions provided with
the rack mounting hardware for proper installation.
If using an optional MicroPOD that was purchased separately, please see instructions shipped with the MicroPOD for the
installation instructions. This should be done before connecting the UPS to utility power.
If the hardwired MicroPODs are being used, conduit entry knockout are provided. Input and output wiring should be
installed in separate conduits. All wiring should be done in accordance to all local and national electrical codes. Before
wiring the UPS ensure that the breaker in the external upstream panelboard is OFF.
If an optional POD with attached input cord and output receptacles are used, connect the input plug receptacle and
connect the connected equipment to the output receptacles.
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The Liebert® GXT3™ 500-3000 VA models ship with the internal battery installed. Locate the plastic bezel from the
UPS Model
Recommended
External Over
Current Protection
NEMA Input Plug
Provided
NEMA Input Plug
Provided
GXT3-500RT120
GXT3-700RT120
GXT3-1000RT120
GXT3-1500RT120
GXT3-1000MT120
15A
5-15
GXT3-2000RT120
20A
5-20
GXT3-3000RT120
30A
L5-30
GXT3-3000RT208
20A
L6-20
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.
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: it does not matter which connector is
used on the battery cabinet. If more than one battery cabinet is used the additional cabinets then connect to the adjoining
battery cabinet.
To complete the installation of the UPS, simply connect the input plug on the attached 10 foot input cord to the proper wall
receptacle per the following table. Note: the 500-2000VA UPS models will now have power and the AC Input indicator on
the display should illuminate. The UPS will also begin to charge the internal batteries at this point, so there will also be
battery capacity LEDs illuminated.
The Liebert GXT3 UPS is ready to be powered.
1. If an optional MicroPOD was used, ensure that the maintenance bypass switch is in the UPS position.
2. Install any optional Intellislot communication card into the Intellislot port on the rear of the unit.
3. Ensure the input breaker in the panelboard that provides input power to the UPS is closed
4. For 3000 VA models only, 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 should illuminate. The UPS will also begin to charge the internal
batteries at this point, so there will also be battery capacity LEDs illuminated.
5. 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.
6. If external battery cabinets are used, close all breakers on the rear of each battery cabinet
7. 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 and the bypass indicator will be illuminated along with an audible beep.
8. Over the next several seconds the UPS will perform the self checks and startup routine then automatically
transfer the connected equipment to the inverter 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.
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External Battery Cabinet
(for RT style units only)
Input Circuit Breaker
500-1500 VA RT120
2000 VA RT120
3000 VA RT120
3000 VA RT208
1000 VA MT120
External Battery Cabinet Connector
External Battery Cabinet Connector
External Battery
Cabinet Connectors
Battery Circuit
Breaker
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Troubleshooting
Indicator
Diagnosis/Audible alarm
A - E
On bypass from output overload (half-second beep every half-second)
A
On bypass due to over temperature condition (1-second beep every 4 seconds)
B
On bypass due to DC bus overvoltage (1-second beep every 4 seconds)
C
On bypass due to DC/DC power supply failure (1-second beep every 4 seconds)
D
PFC failure (1-second beep every 4 seconds)
E
On bypass due to inverter failure (1-second beep every 4 seconds)
A&B
UPS Failure (includes dual-fan failure, single-fan failure under certain conditions and
battery charger failure) and continuous alarm
A&C
UPS failed battery test (2-second beep every 60 seconds)
A&E
Bypass feedback (1-second beep every 4 seconds)
B&C
REPO (one quarter-second beep at quarter-second intervals)
B&E
Short circuit on the output
C&E
UPS shutdown by command from communication (USB or Liebert IntelliSlot® port)
(no audible alarm)
AC Input Indicator
LED flashing
L-N reverse
Battery Indicator
Flashing
Internal battery source not available (continuous audible alarm); check battery
connection, power down and reboot UPS
Bypass Indicator
Flashing
Utility power voltage or frequency is out of tolerance; bypass is unavailable
United States
1050 Dearborn Drive
P.O. Box 29186
Columbus, OH 43229
800-222-5877
Europe
Via Leonardo Da Vinci 8
Zona Industriale Tognana
35028 Piove Di Sacco (PD) Italy
+39 049 9719 111
Fax: +39 049 5841 257
Asia
29/F, The Orient Square Building
F. Ortigas Jr. Road, Ortigas Center
Pasig City 1605
Philippines
+63 2 687 6615
Fax: +63 2 730 9572
The following symptoms indicate the Liebert® GXT3™ is malfunctioning:
• The relative indicators illuminate, indicating the UPS has detected a problem.
• An alarm buzzer sounds, alerting the user that the UPS requires attention.
In addition to the fault indicator being illuminated, one or more of LED segments of battery level indicator will also be
illuminated to provide a diagnostic aid to the user, as shown below
The descriptions are listed in the following table
Single-Phase UPS & Server Cabinets Technical Support
[email protected]
800-222-5877
Outside North America: +00800 1155 4499
Emerson Network Power Worldwide Locations
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