Page 3 - TABLE OF CONTENTS
i TABLE OF CONTENTS I MPORTANT S AFETY I NSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . 1 G LOSSARY OF S YMBOLS . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 I NTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 M AJOR C OMPONENTS . . . . . . . . ...
Page 4 - ii
ii O PERATING I NSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Normal Mode Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17Bypass Mode Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17Battery Mode Operation . . . . . . . . . . . . ...
Page 5 - SAVE THESE INSTRUCTIONS; ELECTROMAGNETIC COMPATIBILITY; WARNING
1 I MPORTANT S AFETY I NSTRUCTIONS 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 operatin...
Page 6 - replacement battery kits.; Do not dispose of battery or batteries in a fire. The battery may; CAUTION; A battery can present a risk of electrical shock and high short
2 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 or hairdryers.Storing magnetic media on top of the UPS may result in data loss or corruption.Turn the UPS off and isolate the UPS befo...
Page 8 - NTRODUCTION; Alarm Silence/Manual Battery Test button, a Standby button, user
4 I NTRODUCTION Congratulations on your choice of the Liebert GXT2U™ Uninterruptible Power System (UPS). It provides conditioned power to microcomputers and other sensitive electronic equipment.Upon generation, AC power is clean and stable. However, during transmission and distribution it may be sub...
Page 9 - Transient Voltage Surge Suppression and EMI/RFI Filters; These UPS components provide surge protection and filter both; Inverter
5 M AJOR C OMPONENTS Transient Voltage Surge Suppression and EMI/RFI Filters These UPS components provide surge protection and filter both electromagnetic interference (EMI) and radio frequency interference (RFI). They minimize any surges or interference present in the utility line and keep the sens...
Page 10 - thus increasing reliability.; Battery; of 68°F to 77°F (20°C to 25°C). Optional external battery cabinets are; Dynamic Bypass; NOTE; The bypass power path does NOT protect the connected equipment
6 DC-to-DC Converter The DC-to-DC converter utilizes energy from the battery system and raises the DC voltage to the optimum operating voltage for the inverter. This allows the inverter to operate continuously at its optimum efficiency and voltage, thus increasing reliability. Battery The Liebert GX...
Page 11 - Liebert GXT2U—Rear View
7 Liebert GXT2U—Rear View Input Circuit Breaker (20 amp) AC Input (L6-20) Output Receptacles (L6-15R) External Battery Connector Cooling Fans Liebert IntelliSlot ® Port DB-9 Communications Port Output Receptacle (L6-20R) Support Base
Page 12 - NSTALLATION; Preparation; Tower; Tower UPS Installation; Specifications; UPS operation in temperatures above 77°F (25°C) reduces battery; Support base
8 I NSTALLATION Preparation 1. Visually inspect the UPS for freight damage. Report damage to the carrier and your local dealer or Liebert representative. 2. Decide where to place the Liebert GXT2U. Install the UPS indoors in a con- trolled environment, where it cannot be accidentally turned off. Pla...
Page 13 - Rack-Mount UPS Conversion and Installation; When rack mounted, the UPS must be supported by a shelf, brackets
9 Rack-Mount UPS Conversion and Installation 1. For slide rail installations, first remove the top/side fin. Slide the top/side fin forward, then lift it up to remove. If desired, install the optional rack mount handles that were shipped with the UPS. Securing hardware and slide rails are sold separ...
Page 14 - STEPS 3
10 Install rear member of each bracket assembly into rack enclo- sure with two (2) M5 screws pro- vided in this kit. (See figure at right.) Return flanges on bracket assembly fit to the inside of rack mounting rails. Insert screws loosely (finger-tight) into top and bottom holes of return flange on ...
Page 15 - Steps 3
11 6. Open grease packet provided in this kit. Apply a 1" long bead of grease four (4) places inside the bottom, curved tracks of front members as shown at right. The grease will allow the equipment to slide into the bracket assem- blies more easily. 7. Insert the equipment, with inner members a...
Page 16 - External Battery Cabinet Installation
12 9. To orient the display for horizontal viewing, remove the front plastic bezel by pulling forward evenly on both sides. The unit has two front panel overlays. Remove the outer overlay (used for tower installation). This reveals a horizontally oriented front panel overlay for rack mount- ing. Sna...
Page 17 - You must use the included Configuration Program to specify the
13 4. Use the enclosed support bases for the tower option to prevent tip-over. One additional set of support base extensions ships with each external battery cabinet. 5. Connect the supplied external battery cabi- net cable to the rear of the external battery cabinet, then to the rear of the UPS. 6....
Page 18 - ON/Alarm Silence/Manual Battery Test Button; ON; The LOW BATTERY and BYPASS reminder alarms CANNOT be; All LEDs illuminated
14 C ONTROLS AND I NDICATORS ON/Alarm Silence/Manual Battery Test Button This button controls output power to connected load(s) and has three functions:• ON• Alarm Silence• Manual Battery Test ON - Pressing this button will start up the UPS in order to provide conditioned and protected power. Alarm ...
Page 19 - Standby / Manual Bypass Button; Troubleshooting
15 Standby / Manual Bypass Button This button controls output power to connected load(s) and has dual functions: Standby and Manual Bypass. Load/Battery Level Indicators (4 Green, 1 Amber) The load/battery level indicators have dual functions. During normal mode operation LED indicators display the ...
Page 20 - Output Voltage Selection; Never change the voltage settings while the UPS is ON and; Setting output voltage to 200 VAC will cause the UPS unit to be
16 Output Voltage Selection The Output Voltage is user configurable and is designed to allow selecting or changing the desired output voltage to match the utility via the Liebert GXT2U Configuration Program provided with the UPS. The settings to choose from are 200, 208, 220, 230, and 240 VAC output...
Page 21 - Normal Mode Operation
17 O PERATING I NSTRUCTIONS Normal Mode Operation During normal operation, utility power provides energy to the UPS. The filters, power factor correction circuit and the inverter process this power to provide computer grade power to connected loads. The UPS maintains the batteries in a fully charged...
Page 22 - Battery Mode Operation; Battery Recharge Mode
18 Battery Mode Operation Battery mode occurs in event of an extreme input voltage condition or complete utility failure. The battery system supplies power through the DC to DC converter to the inverter to generate power for the connected load.During battery mode an alarm sounds every 10 seconds. Th...
Page 23 - OMMUNICATIONS; Communications Interface Port; and are assigned as follows:
19 C OMMUNICATIONS Communications Interface Port The Liebert GXT2U UPS has a standard DB-9 serial port female connector located on the rear of the UPS unit. Several signals are provided on this port and are assigned as follows: * Maximum voltage and current on pins 1, 7, 8, and 9 is 60 VDC; 10.0 mA....
Page 24 - Pin 6 Logic
20 Pins 5 & 6 - Any-Mode Shutdown 1. Pin 6 of the 9-pin communication connector is used for “Any-Mode Shut- down” of the UPS output. This control input may be used in special applica- tions to disable the UPS output power—both Inverter and Bypass. 2. The Options tab allows the behavior of the An...
Page 25 - UPS Intelligent Communications; The Liebert GXT2U is equipped with a Liebert IntelliSlot; To maintain safety (SELV) barriers and for electromagnetic
21 UPS Intelligent Communications The Liebert GXT2U is equipped with a Liebert IntelliSlot ® port to provide advanced communication and monitoring options. Liebert’s MultiLink software continually monitors the UPS and can shut down your computer or server in the event of an extended power failure.Li...
Page 26 - modification, as well as the factory default setting.; Liebert GXT2U Configuration Program Abilities; Communications; What You Will Need; program. A Windows 95; The UPS must be turned off—and not powering connected equipment—; This program is compatible with UPS models beginning with
22 C ONFIGURATION P ROGRAM This is a new feature included with the new Liebert GXT2U line. Several UPS settings that were previously not available or required custom manufacturing may now be modified using this program. For most users, the factory default settings will be adequate. This manual illus...
Page 27 - AINTENANCE; kit part number and pricing.; Battery Replacement
23 M AINTENANCE The Liebert GXT2U requires very little maintenance. The batteries are valve- regulated, nonspillable, lead acid and should be kept charged to obtain their designed life. The UPS continuously charges the batteries when connected to the utility supply.When storing the UPS for any lengt...
Page 28 - Internal Battery Replacement Procedures; tery door aside for reassembly.; These are hot-swappable replacement batteries. However, caution
24 Internal Battery Replacement Procedures 1. Gently remove the front plastic bezel cover from the UPS.2. Loosen and remove the four screws on the front battery door. Lay the bat- tery door aside for reassembly. 3. Gently pull battery wiring out and disconnect the two slotted battery con- nectors. 4...
Page 29 - ROUBLESHOOTING; number and serial number available at the time of your inquiry.; LED; This example shows the UPS
25 T ROUBLESHOOTING The information below indicates various symptoms a user may encounter in the event the Liebert GXT2U develops a problem. Use this information to determine whether external factors caused the problem and how to remedy the situation.1. The Fault indicator will illuminate, indicatin...
Page 30 - Troubleshooting Guide
26 Troubleshooting Guide Problem Cause Solution UPS fails to start when the ON button is pressed. UPS is short circuited or over- loaded. Ensure UPS is OFF. Disconnect all loads and ensure nothing is lodged in output receptacles. Ensure loads are not defective or shorted internally. Battery indicato...
Page 33 - PECIFICATIONS
29 S PECIFICATIONS Model Number GXT2-2700RT208 Model Rating 2700VA / 1890W DIMENSIONS: in. (mm) Unit - W x D x H: in. (mm) 3.5 x 24.2 x 17 (87 x 618 x 430) Shipping - W x D x H: in. (mm) 10.5 x 27.2 x 23 (268 x 692 x 585) WEIGHT lbs (kg) Unit: lbs (kg) 75.2 (34.1) Shipping: lbs (kg) 84.9 (38.5) INPU...
Page 34 - Battery Cabinet Specifications
30 Battery Cabinet Specifications Model Number GXT2-72VBATT Used w/ UPS Model GXT2-2700RT208 DIMENSIONS in (mm) Unit - W x D x H in. (mm) 3.5 x 24.2 x 17 (87 x 618 x 430) Shipping - W x D x H in. (mm) 10.5 x 27.2 x 23 (268 x 692 x 585) WEIGHT, lb (kg) Unit: lbs (kg) 93.6 (42.5) Shipping: lbs (kg) 10...
Page 35 - Battery Run Times
31 Battery Run Times Load % Estimated Time Internal Battery (minutes) 10% 91 20% 46 30% 30 40% 21 50% 16 60% 11 70% 9 80% 8 90% 7 100% 5 Internal Battery + 1 External Battery Cabinet (minutes) 10% 364 20% 184 30% 120 40% 84 50% 64 60% 44 70% 36 80% 32 90% 28 100% 20 Internal Battery + 2 External Bat...
Page 36 - To register for warranty protection:; • Visit the; Quick Links; section of our Web site at:; Product Warranty Registration; and fill in the form.; If you have any questions, please contact us at:; Internal Battery
32 Product Warranty Registration To register for warranty protection: • Visit the Quick Links section of our Web site at: http://www.liebert.com • Click on Product Warranty Registration and fill in the form. If you have any questions, please contact us at: US: 800-222-5877 Outside the US: 614-841-67...
Page 40 - Locations; AC Power Systems
Ensuring The High Availability 0f Mission-Critical Data And Applications. While every precaution has been taken to ensure the accuracy and completeness of this literature, Liebert Corporation assumes no responsibility and disclaims all liability for damages resulting from use of this information or ...
