Page 3 - TABLE OF CONTENTS; Transient Voltage Surge Suppression (TVSS)
i TABLE OF CONTENTS 1.0 G LOSSARY OF S YMBOLS . . . . . . . . . . . . . . . . . . . . . . . 3 2.0 I NTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3.0 M AJOR C OMPONENTS . . . . . . . . . . . . . . . . . . . . . . . . . 5 3.1 Transient Voltage Surge Suppression (TVSS) an...
Page 4 - ii; TABLES; Table 1; DISCONTINUED
ii 6.0 O PERATING I NSTRUCTIONS . . . . . . . . . . . . . . . . . . . . 17 6.1 Normal Mode Operation . . . . . . . . . . . . . . . . . . . . . . . . 17 6.2 Bypass Mode Operation . . . . . . . . . . . . . . . . . . . . . . . . . 17 6.3 Battery Mode Operation . . . . . . . . . . . . . . . . . . . . . ...
Page 5 - SAVE THESE INSTRUCTIONS; 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 Uninter- ruptible Power System (UPS). Adhere to all warnings on the unit and in this manual. Follow all operat...
Page 7 - Glossary of Symbols; LOSSARY
Glossary of Symbols 3 1.0 G LOSSARY OF S YMBOLS Risk of electrical shock Indicates caution followed by important instructions AC input AC output Requests the user to consult the manual Indicates the unit contains a valve-regulated lead acid battery Recycle DC voltage Equipment grounding conductor Bo...
Page 8 - Introduction; NTRODUCTION
Introduction 4 2.0 I NTRODUCTION Congratulations on your choice of the Liebert GXT2U™ Uninterrupt- ible Power System (UPS). It provides conditioned power to microcom- puters and other sensitive electronic equipment.Upon generation, AC power is clean and stable. However, during transmission and distr...
Page 9 - Major Components; AJOR; • The utility power is used as ef
Major Components 5 3.0 M AJOR C OMPONENTS 3.1 T RANSIENT V OLTAGE S URGE S UPPRESSION (TVSS) AND EMI/RFI F ILTERS These UPS components provide surge protection and filter both elec- tromagnetic interference (EMI) and radio frequency interference (RFI). They minimize any surges or interference presen...
Page 10 - DC; NOTE; The bypass power path does NOT protect the connected
Major Components 6 3.4 B ATTERY C HARGER The battery charger utilizes energy from the utility power and pre- cisely regulates it to continuously “float charge” the batteries. The bat- teries are being charged whenever the Liebert GXT2U is plugged in, even when the UPS is not turned on. 3.5 DC TO DC ...
Page 11 - IEBERT
Major Components 7 3.8 L IEBERT GXT2U, R EAR V IEW Rev. USBCARD Input Fuse / Circuit Breaker AC Input Support Base Output Receptacles External Battery Connector Cooling Fan USB card being fitted in Liebert IntelliSlot ® Port DB-9 Communications Port DISCONTINUED P R O D U C T
Page 12 - Installation; REPARATION; UPS I; NSTALLATION; CAUTION; UPS operation in temperatures above 77°F (25°C) reduces
Installation 8 4.0 I NSTALLATION 4.1 P REPARATION 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 controlled environment, where it cannot be accident...
Page 13 - ACK; UPS C; ONVERSION; When rack mounted, the UPS must be supported by a shelf,
Installation 9 4.3 R ACK -M OUNT UPS C ONVERSION AND I NSTALLATION 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 slid...
Page 15 - Steps 3
Installation 11 5. Prepare the UPS or battery cabinet (the “equipment”) for rack mounting by following instructions in the equipment’s user manual. The equipment may require additional parts to be added or parts to be removed for rack mounting. After it is prepared, lay equipment in rack-mounting po...
Page 17 - XTERNAL; Specifications; You must use the included Configuration Program to specify
Installation 13 4.4 E XTERNAL B ATTERY C ABINET I NSTALLATION Optional Liebert external battery cabinets may be connected to the UPS to provide additional battery run time. External battery cabinets are designed to be placed all on one side of the UPS or stacked beneath the UPS. There is no limit to...
Page 18 - Controls and Indicators; ONTROLS; This button controls output power to connected load(s) and has; ON; recharge the batteries for 24 hours.; The LOW BATTERY and BYPASS reminder alarms
Controls and Indicators 14 5.0 C ONTROLS AND I NDICATORS 5.1 ON/A LARM S ILENCE /M ANUAL B ATTERY T EST B UTTON 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...
Page 19 - UPS ON I
Controls and Indicators 15 5.2 S TANDBY / M ANUAL B YPASS B UTTON This button controls output power to connected load(s) and has dual functions: Standby and Manual Bypass. 5.3 L OAD /B ATTERY L EVEL I NDICATORS (4 G REEN , 1 A MBER ) The load/battery level indicators have dual functions. During norm...
Page 20 - AC I; Setting output voltage to 100 VAC will cause the UPS unit to
Controls and Indicators 16 5.8 AC I NPUT I NDICATOR LED (G REEN ) The AC Input indicator LED is illuminated when utility power is available and within the input specifications. 5.9 O UTPUT V OLTAGE S ELECTION The Output Voltage is user configurable and is designed to allow selecting or changing the ...
Page 21 - Operating Instructions; PERATING
Operating Instructions 17 6.0 O PERATING I NSTRUCTIONS 6.1 N ORMAL M ODE O PERATION 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 maintain...
Page 22 - Times
Operating Instructions 18 6.3 B ATTERY M ODE O PERATION Battery mode occurs in event of an extreme input voltage condition or com- plete 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 a...
Page 23 - Communications; OMMUNICATIONS; The Liebert GXT2U UPS has a standard DB-9 serial port female con-; Common; Pin Assignment
Communications 19 7.0 C OMMUNICATIONS 7.1 C OMMUNICATIONS I NTERFACE P ORT The Liebert GXT2U UPS has a standard DB-9 serial port female con- nector located on the rear of the UPS unit. Several signals are pro- vided on this port and are assigned as follows: * Maximum voltage and current on pins 1, 7...
Page 24 - INS
Communications 20 7.2 P INS 4 & 5 - R EMOTE S HUTDOWN ON B ATTERY 1. This pin is functional only when the UPS is in battery mode. If the UPS is being powered by the utility, Pin 4 will ignore any signal on this pin. 2. Pin 4 requires a 5-12 VDC signal to shutdown. This normally comes form the se...
Page 26 - NTELLIGENT; • The Liebert IntelliSlot SNMP/Web
Communications 22 7.4 UPS I NTELLIGENT C OMMUNICATIONS The Liebert GXT2U is equipped with a Liebert IntelliSlot ® port to pro- vide 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 ext...
Page 27 - Configuration Program; GXT2U C; ONFIGURATION; The UPS must be turned off—and not powering connected equip-; This program is compatible with UPS models beginning with
Configuration Program 23 8.0 C ONFIGURATION P ROGRAM The configuration program included with the Liebert GXT2U line allows modification of several UPS settings that were previously unavailable or required custom manufacturing. The user manual on the configuration program disk describes the features ...
Page 28 - Maintenance; AINTENANCE; ATTERY; • If the battery replacement ki
Maintenance 24 9.0 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 UP...
Page 29 - Internal Battery Replacement Procedures; caution should be exercised because during this procedure the
Maintenance 25 9.1.1 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 battery door aside for reassembly.Note: The 3000VA model includes a pull handle to remove this door. It has...
Page 30 - USE
Maintenance 26 9.2 F USE R EPLACEMENT 1. Remove the input fuse.2. Locate the spare input fuse that is included with the UPS. 3. Insert the spare fuse into the fuse holder, and reinstall assembly into the UPS. Twist by hand; rotate clockwise until fuse holder locks into position. 4. Reconnect the inp...
Page 31 - Troubleshooting; ROUBLESHOOTING; The information below indicates various symptoms a user may
Troubleshooting 27 10.0 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 ...
Page 32 - model number and serial number available at the time of your; Problem
Troubleshooting 28 Under fault conditions, the Fault indicators will be illuminated indefi- nitely while battery charger is operational, or for a maximum of 5 min- utes while battery charger is not operational. If a problem persists, consult your local dealer, Liebert representative or contact the L...
Page 35 - Table 2; Condition
Troubleshooting 31 Table 2 Alarm conditions Condition Alarm Battery Mode (utility failure) One short beep every 10 seconds; more than 2 minutes of run time remaining Low Battery Two short beeps every 5 seconds; less than 2 minutes of run time remaining Output Overload (bypass) One short beep every h...
Page 36 - PECIFICATIONS
Specifications 32 11.0 S PECIFICATIONS Model Number GXT2-500RT120 GXT2-700RT120 GXT2-1000RT120 Model Rating 500VA/350W 700VA / 490W 1000VA / 700W DIMENSIONS - in. (mm) Unit W x D x H 3.5 x 21.5 x 17 (87 x 547 x 430) 3.5 x 21.5 x 17 (87 x 547 x 430) 3.5 x 21.5 x 17 (87 x 547 x 430) Shipping W x D x H...
Page 37 - CONTINUED
Specifications 33 S PECIFICATIONS ( CONTINUED ) Model Number GXT2-1500RT120 GXT2-2000RT120 GXT2-3000RT120 Model Rating 1500VA / 1050W 2000VA / 1400W 3000VA / 2100W DIMENSIONS - in. (mm) Unit W x D x H 3.5 x 21.5 x 17 (87 x 547 x 430) 3.5 x 21.5 x 17 (87 x 547 x 430) 3.5 x 24.2 x 17 (87 x 618 x 430) ...
Page 38 - Battery Cabinet Specifications
Battery Cabinet Specifications 34 12.0 B ATTERY C ABINET S PECIFICATIONS Model Number GXT2-48VBATT GXT2-72VBATT Used With UPS Model GXT2-500RT120 GXT2-700RT120 GXT2-1000RT120 GXT2-1500RT120 GXT2-2000RT120 GXT2-3000RT120 DIMENSIONS - in. (mm) Unit W x D x H 3.5 x 21.5 x 17 (87 x 547 x 430) 3.5 x 24.2...
Page 39 - Battery Run Times
Battery Run Times 35 13.0 B ATTERY R UN T IMES Load% 500VA 700VA 1000VA 1500VA 2000VA 3000VA Internal Battery (minutes) 10% 494 248 191 144 56 91 20% 181 115 87 53 33 46 30% 107 79 48 38 26 30 40% 83 58 34 28 19 21 50% 66 44 25 20 14 16 60% 53 35 19 15 12 11 70% 44 29 16 12 10 9 80% 36 24 13 10 8 8 ...
Page 40 - RODUCT; To register for warranty protection:; Quick Links; section of our Web site at:; Product Warranty Registration; and fill in the form.
Product Warranty Registration 36 14.0 P RODUCT W ARRANTY R EGISTRATION 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: 8...
Page 41 - NOTES
Page 44 - Locations; AC Power Systems; EmersonNetworkPower.com; IS
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 ...
