AC Power For Business-Critical Continuity™ Liebert® GXT3™ UPS 120V/208V 500VA-3000VA User Manual
TABLE OF CONTENTS IMPORTANT SAFETY PRECAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 SAVE THESE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 GLOSSARY OF SYMBOLS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 1.0 PRODUCT DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
.0 OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22 4.1 Startup Checklist for the Liebert GXT3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 4.2 Starting the UPS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 4.3 Manual Battery Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
FIGURES Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 Figure 6 Figure 7 Figure 8 Figure 9 Figure 10 Figure 11 Figure 12 Figure 13 Figure 14 Figure 15 Figure 16 Figure 17 Figure 18 Figure 19 Figure 20 Figure 21 Figure 22 Figure 23 Figure 24 Figure 25 Figure 26 Liebert GXT3 rack/tower models—front view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Liebert GXT3 minitower—front view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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IMPORTANT SAFETY PRECAUTIONS ! WARNING Observe all cautions and warnings in this manual. Failure to do so may result in serious injury or death. Refer all UPS and battery service to properly trained and qualified service personnel. Do not attempt to service this product yourself. Opening or removing the cover may expose you to lethal voltages within this unit even when it is apparently not operating and the input wiring is disconnected from the electrical source. Never work alone.
The Liebert® GXT3™-3000RT208 was tested under 20A branch circuit in accordance with the National Electrical Code, ANSI/NFPA 70. To reduce the risk of fire, connect only to a circuit provided with 20A maximum branch overcurrent protection. Battery Safety ! CAUTION Do not dispose of batteries in a fire. The batteries may explode. Do not open or mutilate the batteries. Released electrolyte is toxic and is harmful to skin and eyes. Dispose of used batteries according to the instructions.
GLOSSARY OF SYMBOLS Risk of electrical shock ! Indicates caution followed by important instructions AC input AC output i - Requests the user to consult the manual + Indicates the unit contains a valve-regulated lead acid battery PbH2SO4 R Recycle DC voltage Equipment grounding conductor Bonded to ground AC voltage ON/Alarm Silence/Battery Test OFF/Bypass WEEE 3
Product Description 1.0 PRODUCT DESCRIPTION The Liebert® GXT3™ is a compact, online uninterruptible power system (UPS) that continuously conditions and regulates its output voltage. The Liebert GXT3 is designed to supply microcomputers and other sensitive equipment with clean sine wave input power. Upon generation, AC power is clean and stable.
Product Description 1.3 Appearance and Components 1.3.1 Front Panel and Controls The Liebert® GXT3™ rack/tower and minitower models in various power ratings have the same general appearance, controls and features (see Figure 1). The various rack/tower and minitower models differ largely in the type of receptacles each has.
Product Description Figure 3 Liebert® GXT3™ 120V rack/tower models—rear panel components 500VA, 700VA, 1000VA, 1500VA Models Input Power Plug and Cable 5-15P Input Circuit Breaker USB Port Liebert IntelliSlot Port Output Receptacles, 5-15R Terminal Block Communication Cooling Fan External Battery Connector 2000VA Model Input Power Plug and Cable, 5-20P Input Circuit Breaker USB Port Liebert IntelliSlot Port Output Receptacles, 5-15/20R Terminal Block Communication Cooling Fan External Batt
Product Description Figure 4 Liebert® GXT3™ 208V rack/tower models—rear panel components 3000VA Model Input Power Plug and Cable, L6-20P USB Port Output Circuit Breakers Input Circuit Breaker Output Receptacle, L6-20R Liebert IntelliSlot Port Terminal Block Communication Cooling Fan External Battery Connector Output Receptacles, L6-15R Figure 5 Liebert GXT3-1000MT120™—rear panel components Input Power Plug and Cable, 5-15P 1000VA Model Terminal Block Communication Input Circuit Breaker Liebe
Product Description 1.4 Major Components The operating principle of the UPS is illustrated in Figure 6. Figure 6 Operating principle diagram Input TVSS & EMI/ RFI Filters L1 Output Dynamic Bypass Rectifier / PFC Inverter L1 DC-to-DC Converter Battery Charger Battery L2/N L2/N G G The UPS is composed of utility input, TVSS and EMI/RFI filters, rectifier/PFC, inverter, battery charger, DC-to-DC converter, battery, dynamic bypass and UPS output.
Product Description Battery Charger The battery charger utilizes energy from the utility power and precisely regulates it to continuously float charge the batteries. The batteries are being charged whenever the Liebert® GXT3™ is plugged in, even when the UPS is not turned On. DC-to-DC Converter The DC-to-DC converter raises the DC voltage from the battery to the optimum operating voltage for the inverter.
Product Description 1.5.3 Battery Mode The Liebert® GXT3™ enters Battery Mode when utility power fails or is outside acceptable values. The battery system supplies power through the DC-to-DC converter to the inverter to generate clean AC power for the connected loads. When the Liebert GXT3 enters Battery Mode, the UPS sounds a half-second beep at 10-second intervals.
Installation 2.0 INSTALLATION 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 dealer or your Emerson representative immediately. • Check the accessories included in packaging list. If there is any discrepancy, contact your local dealer or your Emerson representative immediately. 2.
Installation 2.4 Mechanical Installation The Liebert® GXT3™ may be installed as a tower or in a rack, depending on space and use considerations. The Liebert GXT3 may be used alone, as a single UPS, or with up to four battery cabinets. NOTE When installing the UPS or making input and output connections, comply with all relevant safety codes and standards 2.4.1 Tower Installation To install the Liebert GXT3 as a tower: 1. Take out support bases from the accessories (see Figure 7).
Installation Figure 9 Rotate the operation and display panel Operation and Display Panel Rotated Clockwise 90 Degrees c. Pull the logo on the front plastic bezel cover gently, rotate it 90 degrees clockwise and snap it back into position. The rotated front plastic bezel cover is shown in Figure 10. d. Replace the front plastic bezel cover on the Liebert® GXT3™. At this point, the UPS operation and display panel and logo have been rotated 90 degrees clockwise, which provides upright viewing for users.
Installation 2.4.2 Rack Installation NOTE • When the Liebert® GXT3™ is installed in a rack, it must be supported by a shelf, fixed rails or slide rails on each side. The factory-supplied rack mount handles cannot support the weight of the UPS. They are used to move the UPS into and out of the rack and attach the UPS to the rack. • Mounting hardware and slide rails are sold separately. Contact your local Emerson representative for these options and any assistance.
Installation 5. Extend the slide rail assembly by sliding the front member forward until it touches the rack’s front vertical rails (adjustable length: 18 to 32 inches [457-813mm]). Use two M5 screws to fix each front member onto the front vertical rails through the installation holes. Make sure that slide rail assemblies are at the same mounting height on all four rack rails, as shown in Figure 13.
Installation Figure 16 Installing rack-mount handles Liebert GXT3 UPS Rack-Mount Handles, 2 pieces M4 Screw, 8 pieces 9. Insert the UPS, with inner members attached, into slide rail assemblies by inserting top and bottom edges of inner members into the top and bottom, curved tracks of front members and sliding the UPS into rack, as shown in Figure 17.
Installation 2.5 Cable Connection The Liebert® GXT3™ rear panel has an input cable and plug, output receptacles and output cable(s) (Output cables are on GXT3-3000 models only). Refer to 1.3.2 - Rear Panel Features for details. The battery cables are supplied with the battery cabinet. 2.5.1 Connecting Input Plug and Loads NOTE 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.
Installation 2.6 Connecting Communication Cables Communication cable connection includes: USB and cables for option cards. 2.6.1 Connecting USB Communication Cables 1. Take the USB communication cables out of the accessories box. 2. Insert one end of the USB communication cable to the USB port on the rear panel of the Liebert® GXT3™ (see Figures 3 and 5). 3. Insert the other end of the USB communication cable to the USB port of the computer. 2.6.
Controls and Indicators 3.0 CONTROLS AND INDICATORS The operation and display panel, shown in Figure 18, is on the front panel of the Liebert® GXT3™ (see Figures 1 and 2). Figure 18 Operation and display panel Battery Level Indicators Load Level Indicators Fault Indicator Bypass Indicator AC Input Indicator Inverter Indicator Liebert® GXT3 AC Power System 3000VA On/Alarm Silence/Manual Battery Test Button Standby/Manual Bypass Button 3.
Controls and Indicators 3.2 Indicators The operation and display panel has seven indicators (see Figure 18). The indicators can be divided into two groups according to the applications: level indicators and UPS status indicators. 3.2.1 Level Indicators Battery Level Indicators The battery level indicator is composed of five sets of LED bars that illuminate and flash to indicate the battery capacity level. The Liebert® GXT3™ battery capacity level is shown in 20% increments (±5%).
Controls and Indicators 3.2.2 UPS Status Indicators UPS status is indicated by five symbols: fault indicator, AC input indicator, battery indicator, inverter indicator and bypass indicator. Table 5 shows the symbols and their meaning.
Operation 4.0 OPERATION This section describes checks to be made before starting the UPS, how to start the UPS, manual battery test, manual bypass, shutting down the UPS and disconnecting the utility power from the UPS. NOTE The Liebert® GXT3™’s battery has been fully charged before delivery, but some charge will be lost during storage and shipping. To ensure that the battery has adequate reserve power to protect the connected load, charge the battery for three hours before putting the UPS into service.
Operation 4.5 Shut Down the Liebert® GXT3™ 1. Transfer the UPS to manual bypass by pressing the Standby/Manual Bypass button and holding it for about 2 seconds. If manual bypass is not available, disregard the first step. 2. Press the Standby/Manual Bypass button twice within four seconds to shut down the UPS. The UPS will shut down about 30 seconds after the button is pressed. Power to the connected loads is now Off. 4.6 Disconnecting Input Power from the Liebert GXT3 1.
Communication 5.0 COMMUNICATION This section describes UPS communication over the three types of communication connections on the rear of the Liebert® GXT3™: • Liebert IntelliSlot® port • USB port (standard B-type) • Terminal Block Communication ! CAUTION To maintain safety (SELV) barriers and for electromagnetic compatibility, signal cables should be segregated and run separate from all other power cables. 5.
Communication 5.2 USB Port Communication The standard B-type USB port is used to connect the UPS and network server or other computer system using Liebert® MultiLink®. Configuration program can be accessed through the communication port. 5.2.1 Configuration Program Accessing the Configuration Program via USB is a new feature of the Liebert GXT3™. For most users, the factory default settings will be adequate.
Communication 5.3 Terminal Block Communication The Terminal Block includes eight pins, as shown in Figure 21. Figure 21 Terminal block communication pin layout 5.3.1 1 2 Any Mode Shut Down 3 4 Battery Mode Shut Down 5 6 Battery Mode 7 8 Low Battery Any-Mode Shutdown The purpose of Any Mode Shutdown is to shut down the UPS output by turning Off the rectifier, inverter and bypass so that there is no power to the loads.
Communication 5.3.2 Battery Mode Shutdown Battery Mode Shutdown permits shutting down the UPS by turning Off the rectifier, inverter and bypass so that there is no power to the load when the UPS is On Battery. Battery Mode Shutdown can be performed locally or remotely: • Local Any Mode Shutdown can be performed by shorting Pin 3 and Pin 4 • Remote Any Mode Shutdown can be achieved by a switch connected to Pin 3 and Pin 4 and mounted at a remote location.
Maintenance 6.0 MAINTENANCE This section describes replacing the internal battery pack, precautions, checking the Liebert® GXT3’s status and checking UPS functions. ! WARNING The battery can present a risk of electrical shock and high short circuit current. The following precautions should be observed before replacing the battery pack: • Remove rings, watches and other metal objects. • Use tools with insulated handles. • Do not lay tools or other metal objects on the batteries.
Maintenance Figure 22 Removing the front bezel cover and battery door Battery Door Screws, 6 Front Bezel 4. Gently pull the battery wire out and disconnect the battery plug and battery receptacle, as shown in Figure 23. Figure 23 Disconnecting the battery plug and battery receptacle (front view) Battery Connector Battery Receptacle 5. Grasp the battery handle, and pull the internal battery pack out of the UPS, as shown in Figure 24.
Maintenance 6.2 Battery Charging The batteries are valve-regulated, nonspillable, lead acid and should be kept charged to attain their design life. The Liebert® GXT3™ charges the batteries continuously when it is connected to the utility input power. If the Liebert GXT3 will be stored for a long time, Emerson recommends connecting the UPS to input power for at least 24 hours every four to six months to ensure full recharge of the batteries. 6.
Troubleshooting 7.0 TROUBLESHOOTING This section indicates various UPS symptoms a user may encounter and troubleshooting steps in the event the UPS develops a problem. Use the following information to determine whether external factors caused the problem and how to remedy the situation. 7.1 UPS Symptoms The following symptoms indicate the Liebert® GXT3™ has malfunctions. • The related indicators will illuminate, indicating the UPS detected a problem.
Troubleshooting 7.1.2 Audible Alarm An audible alarm will be used in conjunction with the visual indicators to indicate to the user a change in UPS operating status. The audible alarm will enunciate as given in Table 9. Table 9 Audible alarm description Condition 7.
Troubleshooting Table 10 Troubleshooting (continued) Problem Cause Solution Fault and Bypass indicators and diagnostic B indicator are illuminated UPS internal DC bus overvoltage UPS requires service. Contact Emerson Channel Support. Fault and Bypass indicators and diagnostic C indicator are illuminated UPS DC/DC fault UPS requires service.
Battery Cabinet 8.0 BATTERY CABINET Optional battery cabinets are available for the Liebert® GXT3™. The battery connectors and input breaker are on the battery cabinet’s rear panel, as shown in Figure 26. For battery cabinet specifications, refer to Table 13. The Liebert GXT3 may be equipped with a maximum of four extension battery packs. For battery run times, refer to Table 15.
Specifications 9.0 SPECIFICATIONS Table 11 Specifications of GXT3-500RT120 - GXT3-1000RT120 and GXT3-1000MT120 UPS Product Model GXT3-500RT120 (500VA/450W) Parameters GXT3-700RT120 (700VA/630W) GXT3-1000RT120 (1000VA/900W) GXT3-1000MT120 (1000VA/900W) Dimensions, D × W × H, in. (mm) Unit 19.7 x 16.9 x 3.4 (497 × 430 × 85) 15.4 x 6.9 x 8.9 (390 × 175 × 225) Shipping 25.5 x 23.9 x 10.6 (647 x 607 x 270) 22.1 x 12.9 x 14 (562 × 327 × 355) Unit 37 (16.8) 37.5 (17) Shipping 44.1 (20) 36 (16.
Specifications Table 12 Specifications of GXT3-1500RT120 - GXT3-3000RT120 and GXT3-3000RT208 UPS Product Model GXT3-1500RT120 (1500VA/1350W) Parameters GXT3-2000RT120 GXT3-3000RT120 (2000VA/1800W) (3000VA/2700W) GXT3-3000RT208 (3000VA/2700W) Dimensions, D × W × H, in. (mm) Unit 19.7 x 16.9 x 3.4 (497 × 430 × 85) 23.7 x 16.9 x 3.4 (602 × 430 × 85) Shipping 25.5 x 23.9 x 10.6 (647 x 607 x 270) 29.4 x 23.4 x 10.6 (747 x 607 x 270) Weight, lb. (kg) Unit Shipping 51.1 (23.2) 56.1 (25.5) 71.4 (32.
Specifications Table 13 Battery cabinet specifications Model Number Parameter GXT3-48VBATT GXT3-72VBATT Used w/UPS Model GXT3-500RT120,GXT3-700RT120 GXT3-1000RT120,GXT3-1500RT120, GXT3-2000RT120 GXT3-3000RT120 GXT3-3000RT208 Unit 19.7 x 16.9 x 3.3 (497 × 430 × 85) 23.7 x 16.9 x 3.3 (602 × 430 × 85) Shipping 24.3 x 22.4 x 10.3 (617 x 570 x 262) 28.2 x 22.4 x 10.3 (717 x 570 x 262) Unit 57.3 (26) 83.8 (38) Shipping 61.7 (28) 92.
Specifications Table 15 Battery run times Number of Batteries/Cabinets Internal Battery Internal Battery + 1 External Battery Cabinet Internal Battery + 2 External Battery Cabinets Internal Battery + 3 External Battery Cabinets 208 VAC RT Model 120VAC RT Models Load Percent of Capacity 500VA 700VA 1000VA 1500VA 2000VA 3000VA 3000VA 10% 128 105 90 77 77 74 77 20% 82 61 37 35 33 36 37 30% 41 37 30 23 21 21 21 40% 38 32 23 16 15 15 15 50% 34 27 17 11 11 1
Specifications Table 15 Battery run times (continued) Number of Batteries/Cabinets Internal Battery + 4 External Battery Cabinets 208 VAC RT Model 120VAC RT Models Load Percent of Capacity 500VA 700VA 1000VA 1500VA 2000VA 3000VA 3000VA 10% 480 480 480 480 480 346 480 20% 480 480 339 317 304 301 303 30% 398 337 315 216 188 187 187 40% 340 321 220 183 156 156 155 50% 328 304 199 157 141 142 141 60% 316 217 167 145 126 127 126 70% 304 202 159 1
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Ensuring The High Availability Of Mission-Critical Data And Applications. Emerson Network Power, a business of Emerson (NYSE:EMR), is the global leader in enabling Business-Critical Continuity™ from grid to chip for telecommunication networks, data centers, health care and industrial facilities.
