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AC Power
For Business-Critical Continuity™
® ™
Liebert GXT3 UPS 230V 700VA-3000VA
User Manual
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TABLE OF CONTENTS IMPORTANT SAFETY PRECAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 SAVE THESE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 GLOSSARY OF SYMBOLS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 1.0 PRODUCT DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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4.0 OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20 4.1 Startup Checklist for the Liebert GXT3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 4.2 Starting the UPS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 4.3 Manual Battery Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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FIGURES Figure 1 Liebert GXT3-700RT230 - GXT3-3000RT230 UPS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Figure 2 Rear panel components, Liebert GXT3 230V 700VA, 1000VA and 1500VA models. . . . . . . . . . . . 5 Figure 3 Rear panel components, Liebert GXT3 230V 2000VA models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Figure 4 Rear panel components, Liebert GXT3 230V 3000VA models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Figure 5
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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. SAVE THESE
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Battery Safety CAUTION ! Do not dispose of the battery in a fire. The battery may explode. Do not open or damage the battery. Released electrolyte is toxic and is harmful to skin and eyes. If electrolyte comes into contact with the skin, wash the affected area immediately with plenty of clean water and get medical attention. CAUTION ! A battery can present a risk of electrical shock and high short-circuit current. The following precautions should be observed when working on batteries: • Remo
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GLOSSARY OF SYMBOLS Risk of electrical shock Indicates caution followed by important instructions ! AC input AC output Requests the user to consult the manual i - + 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 ® ™ 3Liebert GXT3
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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 electronic equipment with clean sine wave input power, 700VA to 3000VA at 230V. 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 i
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Product Description 1.3 Appearance and Components 1.3.1 Appearance The Liebert GXT3 rack/tower models in various power ratings have the same general appearance, controls and features (see Figure 1). The various rack/tower models differ largely in the type of receptacles each has. Figure 1 Liebert GXT3-700RT230 - GXT3-3000RT230 UPS Ventilation Slots Operation and Display Panel 1.3.2 Rear Panel Features The rear panel of the Liebert GXT3 has these features: •USB port • Cooling fan • C19 output
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Product Description Figure 4 Rear panel components, Liebert GXT3 230V 3000VA models Output Circuit Input Circuit C20 Input Receptacle Liebert IntelliSlot Port USB Port Breakers Breaker External Battery C13 Output Terminal Block C19 Output Cooling Fan Connector Receptacles Communication Receptacle 1.4 Major Components The operating principle of the UPS is shown in Figure 5. Figure 5 Operating principle diagram Input Output Dynamic Bypass TVSS & EMI/ Rectifier/ L1 Inverter L1 RFI Filters PF
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Product Description Rectifier/Power Factor Correction (PFC) Circuit In normal operation, the Liebert GXT3’s rectifier/power factor correction (PFC) circuit converts mains 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 this sine wave input current achieves two objectives: • Efficient power use by the UPS • Reduced reflected harmonics This results in cleaner power being available to other devi
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Product Description 1.5.2 Manual Bypass Mode Manual Bypass Mode occurs when the Standby/Manual Bypass button is pressed and held for about 2 seconds while the Liebert GXT3 is in Mains (AC) Mode. Bypass operation is indicated by an audible alarm and illuminated amber bypass indicator. (If other indicators are illuminated, refer to 7.0 - Troubleshooting). During Bypass Mode, mains power bypasses the inverter and provides energy to the connected load. NOTICE Turning Off the UPS in Bypass Mode w
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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 Emerson representative immediately. • Check the accessories against the delivery list. If there is any discrepancy, contact your local dealer or your Emerson representative immediately. 2.2 What’s Included With GXT3 UPS • Terminal Block Communication terminals • Co
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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 6). Figure 6 Suppo
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Installation Figure 8 Rotate the operation and display panel Operation and Display Panel Rotated Clockwise 90 Degrees c. Pull the logo on the front plastic bezel cover, rotate it 90 degrees clockwise and snap it back into position. The rotated front plastic bezel cover is shown in Figure 9. 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.
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Installation 2.4.2 Rack Installation NOTE • When the Liebert GXT3 is installed in a rack, the UPS must be supported by a shelf, brackets, or slide rails on each side. The factory-supplied rack-mount ears 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 dealer or ® Emerson representative for these options and any assistance. To install a Liebe
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Installation Figure 11 Installing rear member of each bracket assembly Vertical pole M5 screw (4 pcs) Rear member Front member 5. Extend bracket assembly by sliding the front member forward until it touches the rack’s front vertical rails (adjustable length: 18 inches to 32 inches). 6. Use two M5 screws to attach each front member onto the front vertical rails through the installation holes. Make sure that the bracket assemblies are at the same mounting height on all four of the rack’s vertic
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Installation 8. Fasten inner members pulled from the bracket assemblies in Step 2 to the UPS on both sides with eight M4 screws provided in this kit. Make sure that the retaining latch is near the rear of the UPS, as shown in Figure 14. Figure 14 Installing inner members Liebert GXT3 UPS Inner Member Retaining Latch M4 screw, 8 pieces 9. Use M4 screws to install ears of accessories on both sides of the UPS, as shown in Figure 15. Figure 15 Installing rack-mount ears Liebert GXT3 UPS Ear, 2piec
