Liebert GXT5-1000IRT2UXLE User Manual
Liebert®
GXT5™ UPS
Installer/User Guide
200 V to 240 V, 750 VA to 3,000 VA
The information contained in this document is subject to change
without notice and may not be suitable for all applications. While
every precaution has been taken to ensure the accuracy and
completeness of this document, Vertiv assumes no responsibility
and disclaims all liability for damages resulting from use of this
information or for any errors or omissions. Refer to other local
practices or building codes as applicable for the correct methods,
tools, and materials to be used in performing procedures not
specifically described in this document.
The products covered by this instruction manual are manufactured
and/or sold by Vertiv. This document is the property of Vertiv and
contains confidential and proprietary information owned by Vertiv.
Any copying, use or disclosure of it without the written permission
of Vertiv is strictly prohibited.
Names of companies and products are trademarks or registered
trademarks of the respective companies. Any questions regarding
usage of trademark names should be directed to the original
manufacturer.
Technical Support Site
If you encounter any installation or operational issues with your product, check the pertinent
section of this manual to see if the issue can be resolved by following outlined procedures.
Visit https://www.Vertiv.com/en-us/support/ for additional assistance.
Vertiv | Liebert® GXT5™ Installer/UserGuide
TABLE OF CONTENTS
Important Safety Information 1
1 GXT5 Description 3
1.1 UPS Features and Available Models 3
1.2 Front Panels 4
1.3 Rear Panels 5
1.4 Battery Cabinet 11
1.5 Major Internal Components and Operating Principle 11
1.6 UPS States and Operating Modes 13
1.6.1 Normal Mode 13
1.6.2 Bypass Mode 13
1.6.3 Battery Mode 13
1.6.4 Frequency Converter Mode 13
1.6.5 ECO Mode 14
2 Installation 15
2.1 Unpacking and Inspection 15
2.2 Pre-installation Preparation 15
2.2.1 Installation Clearances 15
2.3 Installing the UPS 15
2.3.1 Tower Installation 16
2.3.2 Rack Installation 16
2.4 Installing External Battery Cabinets 16
2.5 Connecting AC Input Power 19
2.6 Connecting Loads 19
2.7 Communication Connections 20
2.7.1 Connecting IntelliSlot Communication 20
2.7.2 Connecting to the Dry-contact Port 21
2.7.3 Connecting a Remote Emergency Power-off (REPO) Switch 22
2.7.4 Connecting a USB Cable 23
2.7.5 Connecting Sensors to the Control Port 24
3 Operating the UPS 25
3.1 Silencingthe Audible Alarm 25
3.2 Starting-up the UPS 25
3.3 Transferring to Battery Mode 25
3.4 Transferring from Normal to Bypass Mode 26
3.5 Transferring from Bypass to Normal Mode 26
3.6 Shutting-down the UPS Completely 26
3.7 Remote Emergency Power-off (REPO) 26
3.8 Auto and Manually Restarting 26
4 Operation and Display Panel 29
4.1 LED Indicators 31
Vertiv | Liebert® GXT5™ Installer/User Guide | iii
4.2 LCD Menu and Screens 31
4.2.1 Start-up and Flow Screens 31
4.2.2 Main Menu 32
4.3 Editing Display and Operation Settings 47
4.3.1 Settings Prompts 47
4.3.2 Changing the Password 48
4.3.3 Selecting the Display Language 49
4.3.4 Setting the Date and Time 49
5 Maintenance 51
5.1 Replacing Batteries 51
5.2 Charging Batteries 53
5.3 Checking UPS Operation 54
5.4 Cleaning the UPS 54
6 Troubleshooting 55
6.1 Symptoms that Require Troubleshooting 55
6.2 Audible Alarm (Buzzer) 55
6.2.1 Faults 55
6.3 Troubleshooting UPS Issues 56
7 Specifications 57
7.1 Battery Run Times 63
Appendices 69
Appendix A: Technical Support 69
Vertiv | Liebert® GXT5™ Installer/User Guide | iv
IMPORTANT SAFETY INFORMATION
IMPORTANT! This manual contains important safety instructions that must be followed during the
installation and maintenance of the UPS and batteries. Read this manual thoroughly and the safety and
regulatory information, available at https://www.vertivco.com/ComplianceRegulatoryInfo, before
attempting to install, connect to supply, or operate this UPS.
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1 GXT5 DESCRIPTION
The Liebert® GXT5 is a compact, online uninterruptible power system (UPS) that continuously conditions
and regulates its output voltage. The Liebert® GXT5 supplies microcomputers and other sensitive
equipment with clean sine-wave input power.
Upon generation, AC power is clean and stable. However, during transmission and distribution it is subject
to voltage sags, spikes, and complete failure that may interrupt computer operations, cause data loss, and
damage equipment.
The Liebert® GXT5 protects equipment from these disturbances. The Liebert® GXT5 continuously
charges its batteries from the mains, enabling it to supply power to connected loads, even when the mains
fail.
1.1 UPS Features and Available Models
The GXT5 includes the following features. Table 1.1 below, lists the available models and power ratings.
• Optional tower or rack installation to meet varying installation requirements.
• Adapts to areas with unstable power-mains supply via high-frequency double-conversion
topology structure, with high input-power factor, wide input-voltage range, and output
immune to grid interference.
• Full digital-control platform and hardware-design platform adapts to unstable mains supply
and load impact
• Programmable terminals with cascade protection protect key devices when load is heavy.
• Operation and display panel with model-specific color LCD offers simple configuration and
control of the UPS.
• ECO power-supply mode and smart-sleep mode help you save the maximum amount of energy.
Table 1.1 UPS Models and Power Ratings
MODEL NUMBER NOMINAL POWER RATING
GXT5-750IRT2UXL
GXT5-750IRT2UXLE
GXT5-1000IRT2U XL
GXT5-1000IRT2U XLE
GXT5-1500IRT2UXL
GXT5-1500IRT2UXLE
GXT5-2000IRT2UXL
GXT5-2000IRT2UXLE
GXT5-3000IRT2UXL
GXT5-3000IRT2UXLE
GXT5-3KL620RT2UXL 3000 VA/2700 W
GXT5-3KL630RT2UXL 3000 VA/3000 W
750 VA/750 W
1000 VA/1000 W
1500 VA/1500 W
2000 VA/2000 W
3000 VA/3000 W
1 GXT5 Description
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1.2 Front Panels
The various GXT5 models have the same general appearance, with the main difference being the
receptacle types on the rear panel.
Figure 1.1 Front View
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Vertiv | Liebert® GXT5™ Installer/UserGuide
1.3 Rear Panels
The following figures detail the rear-panel features for each GXT5 model.
Figure 1.2 GXT5-750/1000IRT2UXL (XLE) Rear Panel
ITEM DESCRIPTION
1 Liebert® IntelliSlot™ port
2 Ventilation Hole
3 External-battery-cabinet connector
4 Input c ircuit-breaker reset button, 10-A
5 Non-programmable C13 output receptacles
6 Programmable C13 output receptacles
7 C14 input-power plugand cable
8 Terminal-block/Dry-contact communication connectors
9 RS-232 port
10 RS-485 port
11 USB port
1 GXT5 Description
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Figure 1.3 GXT5-1500IRT2UXL (XLE) Rear Panel
ITEM DESCRIPTION
1 Liebert® IntelliSlot™ port
2 Ventilation Hole
3 External-battery-cabinet connector
4 Input c ircuit-breaker reset button, 10-A
5 Non-programmable C13 output receptacles
6 Programmable C13 output receptacles
7 C14 input-power plugand cable
8 Terminal-block/Dry-contact communication connectors
9 RS-232 port
10 RS-485 port
11 USB port
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Vertiv | Liebert® GXT5™ Installer/UserGuide
Figure 1.4 GXT5-2000IRT2UXL (XLE) Rear Panel
ITEM DESCRIPTION
1 Liebert® IntelliSlot™ port
2 Ventilation Hole
3 External-battery-cabinet connector
4 Non-programmable C13 output receptacles
5 Programmable C13 output receptacles
6 C20 input-power plug and cable
7 Input circuit-breaker reset button, 16-A
8 Terminal-block/Dry-contact communication connectors
9 RS-232 port
10 RS-485 port
11 USB port
1 GXT5 Description
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Figure 1.5 GXT5-3000IRT2UXL (XLE) Rear Panel
ITEM DESCRIPTION
1 Liebert® IntelliSlot™ port
2 Ventilation Hole
3 External-battery-cabinet connector
4 Non-programmable C19output receptacle
5 Output circuit-breaker reset buttons, 10-A
6 Non-programmable C13 output receptacles
7 Programmable C13 output receptacles
8 C20 Input-power plug and cable
9 Input circuit-breaker reset button, 20-A
10 Terminal-block/Dry-contact communication connectors
11 RS-232 port
12 RS-485 port
13 USB port
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Vertiv | Liebert® GXT5™ Installer/UserGuide
Figure 1.6 GXT5-3KL620RT2UXL Rear Panel
ITEM DESCRIPTION
1 Liebert® IntelliSlot™ port
2 Ventilation Hole
3 External-battery-cabinet connector
4 Input pow er cable, L6-20P
5 Output circuit-breaker reset buttons, 20-A
6 Output cable, L6-20R
7 Output circuit-breaker reset buttons, 15-A
8 Output cables, L6-15R
9 Input circuit-breaker reset button
10 Terminal-block/Dry-contact communication ports
11 RS-232 port
12 RS-485 port
13 USB port
1 GXT5 Description
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Figure 1.7 GXT5-3KL630RT2UXL Rear Panel
ITEM DESCRIPTION
1 Liebert® IntelliSlot™ port
2 Ventilation Hole
3 External-battery-cabinet connector
4 Input pow er cable, L6-30P
5 Output circuit-breaker reset buttons, 20-A
6 Output cable, L6-30R
7 Output circuit breakers, 15-A
8 Output cables, L6-15R
9 Input circuit-breaker reset button
10 Terminal-block/Dry-contact communication ports
11 RS-232 port
12 RS-485 port
13 USB port
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Vertiv | Liebert® GXT5™ Installer/UserGuide
1.4 Battery Cabinet
Optional battery cabinets are available for the UPS, and include a single battery-connector cable. Up to 10
battery cabinets may be connected in parallel to the UPS, and up to 6 can be detected using EBCdetection. See Table 7.4 on page63, for the cabinet specifications. For approximate battery run times
with additional EBCs, see Battery Run Times on page63. See Installing External Battery Cabinets on
page16, to connect the cabinets.
Figure 1.8 Battery Cabinet
ITEM. DESCRIPTION
1 Battery connectors
2 Isolation breaker
1.5 Major Internal Components and Operating Principle
Figure 1.9 on the next page, shows the UPSoperating principle. Table 1.2 on the next page, describes
the function of the major components in the UPS.
NOTE: Figure 1.9 on the next page, is one example of basic operation.
1 GXT5 Description
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Figure 1.9 Basic Operating Principle Diagram
Table 1.2 Major Components
ITEM COMPONENT OPERATION/FUNCTION
Transient
Voltage Surge
1
Suppression
(TVSS)and
EMI/RFI Filters
Provide surge protection. Filter electromagnetic interference (EMI) and radio frequency interference
(RFI). Minimize surges or interferenc e present in the utility power andprotect devices connected on the
same branch as the UPS.
Rectifier/Power
2
3 Batteries
4
5 Inverter
6
7 EMI/RFI Filters
8 Outlet group Programmable output receptacles.
9 Outlet group Generaloutput receptacles.
Factor
Correction
(PFC) Circuit
DC-to-DC
Converter
Dynamic
Internal Bypass
In normaloperation, converts utilityAC power to regulated DC power for use by the inverter while
ensuring that the wave shape of the input current used by the UPS is near ideal. Extracting thissine-wave
input current ensures efficient use of utility power and reduces reflected harmonic distortion making
cleaner power available to devices that are not protected bythe UPS.
Valve-regulated, non-spillable, lead-acid batteries.
NOTE: To maintain battery design life, operate the UPS in an ambient temperature of 59°F to 77°F
(15°C to 25°C).
Raises the DC voltage from the battery to the optimum operating voltage for the inverter. This allows the
inverter to operate continuouslyat its optimum efficiency and voltage, thus increasing reliability.
In normaloperation, inverts the DC output of the PFC circuit into precise, regulated sine-wave AC power.
When utility power fails, the inverter receives DC power from the DC-to-DC converter. In either
operating mode, the UPS inverter remains on-line, generating clean, precise, regulated AC-output
power.
In the unlikely event of UPS failure suc h asoverload or over-temperature, automaticallytransfers the
connected load to bypass.
To manually transfer the connected load from inverter to bypass, see Transferring from Normalto
Bypass Mode on page26.
Filter electromagnetic interference (EMI) and radio frequency interference (RFI). Minimize interference
present in the utility power andprotect devices connected on the same branch asthe UPS.
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Vertiv | Liebert® GXT5™ Installer/UserGuide
1.6 UPS States and Operating Modes
NOTE: See LED Indicators on page31, for description of the run-indicator and alarm-indicator LEDs
mentioned in this section.
1.6.1 Normal Mode
When utility power is normal, Normal mode employs the rectifier and inverter to provide voltage- and
frequency-stabilized power to the load. The charger charges the battery in normal mode. On the frontpanel display, the run-indicator (green)is On, the alarm indicator is OFF, and the buzzer is silent.
1.6.2 Bypass Mode
Bypass mode supplies power to the load from the bypass source (utility power) if an overload or fault
occurs during normal operation. On the front-panel display, the run indicator (green) is On, the alarm
indicator (yellow)is On, and the buzzer beeps once each seconds. The LCD "Current" screen displays "On
Bypass."
NOTE: If utility power fails or if the utility voltage goes outside of the permissible range during bypassmode operation, the UPS shuts down and no output is supplied to the load.
1.6.3 Battery Mode
Battery mode supplies battery power to the load if utility power fails or if the utility voltage goes outside of
the permissible range. On the front-panel display, the run indicator (green) is On, the alarm indicator
(yellow)is On, and the buzzer beeps once each second. The LCD "Current" screen displays "On Battery."
NOTE: The batteries are fully-charged before shipment. However, transportation and storage
inevitably cause some loss of capacity. To ensure adequate back-up time, charge the batteries for atleast 8 hours before first start-up.
NOTE: If utility power fails and the batteries are charged, you may cold-start the UPS in battery mode
and use battery power to extend system availability for a time.
NOTE: Powering-off the UPS when it is in battery mode results in loss of output power to the
connected load.
1.6.4 Frequency Converter Mode
All models of the GXT5 are capable of frequency conversion. Frequency Conversion Mode can be selected
using the configuration program. Allowable frequency operating modes include:
• Auto Sensing - 50 Hz or 60Hz – Bypass Enabled
• Auto Sensing - 50 Hz or 60Hz – Bypass Disabled
• Frequency Converter - 50 Hz – Bypass Disabled
• Frequency Converter - 60Hz – Bypass Disabled
NOTE: The default for all models of the Liebert® GXT5 is “Auto Sensing - 50 Hz or 60Hz – Bypass
Enabled.”
1 GXT5 Description
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1.6.5 ECO Mode
The energy-saving ECO mode reduces power consumption by powering the load via bypass if the bypass
voltage is normal or by powering the load via the inverter when the bypass voltage is abnormal. You can
use ECOmode to power equipment that is not sensitive to power-grid quality to via bypass and reduce
power consumption.
NOTE: During Eco mode, if a bypass-failure or abnormal-bypass-voltage notification appears when the
output is not overloaded, the UPS will transfer to Normal Mode. However, if a notification showing
bypass failure or abnormal bypass voltage appears when the output is overloaded, the UPS will shut
down the bypass.
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Vertiv | Liebert® GXT5™ Installer/UserGuide
2 INSTALLATION
Do not start the UPS until after the installation is finished.
WARNING! Risk of electrical shock. Can cause equipment damage, injury and death. Before
beginning installation, verify that all external overcurrent protection devices are open (Off), and
that they are locked-out and tagged appropriately to prevent activation during the installation,
verify with a voltmeter that power is Off and wear appropriate, OSHA-approved personal
protective equipment (PPE) per NFPA 70E. Failure to comply can cause serious injury or death.
Before proceeding with installation, read all instructions. Follow all local codes.
2.1 Unpacking and Inspection
Unpack the UPS and conduct the following checks:
• Inspect the UPS for shipping damage. If any shipping damage is found, report it to the carrier
and your local Vertiv representative immediately.
• Check the accessories included against the packing list. If there is any discrepancy, contact
your local Vertiv representative immediately.
CAUTION: The UPS is heavy (see Specifications on page57, for the weight). Take proper
precautions when lifting or moving the unit.
2.2 Pre-installation Preparation
• Install the UPS indoors in a controlled environment, where it cannot be accidentally turned Off.
The installation environment should meet the specifications listed in Specifications on page57.
• Place the UPS in an area of unrestricted air-flow around the unit, away from water, flammable
liquids, gases, corrosives, and conductive contaminants. Avoid direct sunlight
NOTE: Operating the UPS in temperatures above 77°F (25°C) reduces battery life.
2.2.1 Installation Clearances
Maintain at least 4in.(100mm) clearance in the front and rear of the UPS. Do not obstruct the air inlets on
the front panel and rear panel of the UPS. Blocking the air inlets reduces ventilation and heat dissipation,
shortening the service life of the unit.
2.3 Installing the UPS
The UPS may be installed as a tower or in a rack, depending on available space and use considerations.
Determine the type of installation and follow the appropriate instructions. See Tower Installation on the
next page or Rack Installation on the next page.
NOTE: When installing the UPS or making input and output connections, comply with all relevant
safety codes and standards
2 Installation
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2.3.1 Tower Installation
To install the UPS as a tower:
1. Take the support bases out of the accessories box.
Figure 2.1 Support bases
NO. DESCRIPTION
1 Support bases
Spacers with c onnec tors
2
NOTE: Three spacers are shown here. However, the number of spacers varies depending on your UPS
model and the number of battery cabinets in your system.
2. If optional, Liebert® external battery cabinets will be connected, take out the spacers shipped
with the battery cabinet.
3. Connect the spacers and the support bases as shown in Figure 2.1 above. Each GXT5 requires
2support bases, one in the front and one in the rear.
4. Place the GXT5 and any battery cabinets on the 2support bases.
2.3.2 Rack Installation
When installed in a rack enclosure, the GXT5 UPS and external battery cabinets (EBC) must be supported
by a shelf or rack-mount rails. Because different rack-mount options install differently, refer to the
installation instructions provided with the rack-mount kit.
CAUTION: The GXT5 is heavy. The UPS must be installed as near the bottom of a rack as
possible. If placed too high, it can make the rack top-heavy and prone to tipping over. For unit
weights, see Specifications on page57.
2.4 Installing External Battery Cabinets
Optional, external battery cabinets (EBC) may be connected in parallel to the UPS to provide additional
battery run time. For approximate battery run times with additional EBCs, see Battery Run Times on
page63.
External battery cabinets are placed on one side of the UPS in a tower configuration or stacked beneath
the UPS in a rack configuration. Up to 10 EBCs may be connected to the UPS, and up to 6 may be
detected using EBC-detection.
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Vertiv | Liebert® GXT5™ Installer/UserGuide
WARNING! Risk of electric shock. Can cause injury or death. Disconnect all local and remote
electric power supplies before working with the UPS. Ensure that the unit is shut down and
power has been disconnected before beginning any maintenance.
CAUTION: The external battery cabinet(s) are heavy, see Table 7.4 on page63. Take proper
precautions when lifting them.
To install the EBC(s):
1. Inspect the EBC for freight damage. Report damage to the carrier and your local dealer or
Vertiv representative.
2. For tower installation:
• An additional set of support-base extensions ships with each EBC.
• See the steps in Tower Installation on the previous page, to connect the support
extenders and install the bases.
– or –
For rack installation:
• Rack-mount hardware ships with the EBC.
• Refer to the instructions included with the rack-mount kit to install.
NOTE: Optional slide rails and securing hardware are sold separately. Please contact your Vertiv
representative for options and Vertiv Technical Support for assistance.
3. Verify that the EBC breaker is in the "Off" position.
4. Connect the supplied EBC cable(s) to the rear of the cabinet, then to the rear of the UPS, see
Figure 2.2 on the next page.
5. Turn the EBC breaker to the "On" position.
6. Verify the circuit breaker on the EBC is in the "On" position.
The additional back-up run time is enabled.
NOTE: When removing an EBC, turn off the circuit breaker on the rear of the cabinet before
disconnecting the cable.
NOTE: If shipping or storing the UPS for an extended time, disconnect the EBC(s) minimize stand-by
current drain on the batteries and help maintain design life.
2 Installation
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Figure 2.2 EBCs connected to the UPS
ITEM DESC RIPTION
1 EBC-detection dry-contact port (See Table 2.2 on page22, for details.)
2 EBC connector
3 EBC-detection port
4 External battery cabinet
5 Externalbattery cabinet
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Vertiv | Liebert® GXT5™ Installer/UserGuide
2.5 Connecting AC Input Power
Ensure that all the loads are turned Off. Prepare an input power supply that is properly protected by a
circuit breaker in accordance with national and local electrical codes. The wall receptacle must be
grounded. We recommend installing an upstream circuit breaker of the same series as the input circuit
breaker of the GXT5.
Table 2.1 below, lists the specifications of the input circuit breaker on the rear panel by UPS model
Table 2.1 Input circuit breaker
specifications
MODEL RATED CIRCUIT BREAKER
GXT5-750IRT2UXL
GXT5-750IRT2UXLE
GXT5-1000IRT2U XL
GXT5-1000IRT2U XLE
GXT5-1500IRT2UXL
GXT5-1500IRT2UXLE
GXT5-2000IRT2UXL
GXT5-2000IRT2UXLE
GXT5-3000IRT2UXL
GXT5-3000IRT2UXLE
GXT5-3KL620RT2UXL 20 A
GXT5-3KL630RT2UXL 20 A
10 A
10 A
10 A
16 A
20 A
To connect AC-input power, plug the input plug of the UPS into the input-power connection.
NOTE: If the input plug will serve as the disconnecting device, the wall socket/outlet must be near the
UPS and must be easily accessible, per the National Electric Code/NFPA 70 requirements.
2.6 Connecting Loads
2 Installation
750-Va to 2000-VA models have three groups of outlets:
• One group is not controlled (always On).
• Two groups are controlled with programmed responses or an SNMP network.
3000-A models have four groups of outlets:
• Two groups are not controlled (always On).
• Two groups are controlled with programmed responses or an SNMP network.
NOTE: When connecting load, verify that the equipment is plugged into the appropriate outlets if any
of the outlets will be controlled.
NOTE: Do not overload any output receptacle. Output cable length should not exceed 10m (32.8ft).
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