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AC P ow er For Business-Criti cal C on tinuity™ Li eb er t ® GX T3 ™ UPS 120V/208V 500V A-3000V A User Ma nual.
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i T ABLE OF CONTENTS I MPORT ANT S AFETY P RECAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 S AVE T HESE I NSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ii 4.0 O PERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 4.1 Startup Checklist for the Liebert GXT3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
iii FIGURES Figure 1 Liebert GX T3 rack/tower models— front view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Figure 2 Liebert GX T3 minitower—front vie w . . . . . . . . . . . . . . . . . . . . . . . . . .
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1 I MPORT ANT S AFETY P RECAU TIONS SAVE THESE INSTRUCTIONS This manual contains im portant safety instructions that must be followed du ring the installation and maintenance of the UPS and batteries. Read this manual thoroughly before attempting to install or operate this UPS.
2 The Liebert ® GXT3 ™ -3000RT208 was tested under 20A bran ch circuit in accordance with the National Electri cal Code, ANSI/NFPA 70. To red uce th e risk of fire, connect on ly to a circuit provided with 20A maximum branch overcurrent protection.
3 G LOSSARY OF S YMBOLS Risk of ele ctrical shock Indicates caution followed by important instructions AC input AC output Requests the user to consult the manual Indicates the unit contains a valve-re.
Product De scription 4 1.0 P RODUCT D ESCRIPTION The Liebert ® GXT3 ™ is a compact, online uninterruptible power system (UPS) that continuously conditions and regulates its outpu t voltage. The Lie bert GXT3 is designed to supply microcomput ers and other sensitive equipment with clean sine wave input po wer.
Product De scription 5 1.3 Appearance and Component s 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 De scription 6 Figure 3 Liebert ® GXT3 ™ 120V rack/tower models—rear p anel component s Input Power Plug and Cable 5-15P External Battery Connector T erminal Block Communication USB Port .
Product De scription 7 Figure 4 Liebert ® GXT3 ™ 208V rack/tower models—rear p anel component s Figure 5 Liebert GXT3-1000MT120 ™ —rear p anel component s 3000V A Mode l Input Power Plug and .
Product De scription 8 1.4 Major Component s The operating princi ple of the UPS is illustrated in Figure 6 . Figure 6 Operating principle dia gram The UPS is compo sed of utility input, TVSS and EMI/RFI fi lters, rectifier/PFC, inverter, battery charger, DC-to-DC converter, batte ry, dynamic bypass and UPS output.
Product De scription 9 Battery Charger The battery charger utilizes energy from the utilit y power and precisely regulates it to continuously float charge the batteries. The batteries are being cha rged wheneve r the Liebert ® GXT3 ™ is plugged in, even when the UPS is not turned On.
Product De scription 10 1.5.3 Battery Mode The Liebert ® GXT3 ™ enters Battery Mode wh en utility powe r fails or is outside acceptabl e values. The battery system supplies power th rough the DC-to-DC converte r to the inverter to generate clean AC power for the connected loads.
Installation 11 2.0 I NST ALLATION 2.1 Unp acking and Inspection Unpack the UPS and conduct the following checks: • Inspect the UPS f or shipping damage. If any shipping dama ge is found, report it to the carrier and your local dealer or your Emer son representative immediately.
Installation 12 2.4 Mechanical Inst allation The Liebert ® GXT3 ™ may be installed as a tower or in a rack, depending on space and use considerations. The Liebert GXT3 ma y be used alone, as a single UPS, or with up to four battery cabinets. 2.4.1 T ower Installation To install the Liebe rt GXT3 as a tower: 1.
Installation 13 Figure 9 Rot ate the operation and display p anel c. Pull the logo on the front plastic bezel cover ge ntly, rotate it 90 degrees cl ockwise and snap it back into position . The rotated front plastic be zel cover is shown in Figure 10 .
Installation 14 2.4.2 Rack Inst allation To install a Liebert GXT3 rack/tower UPS in a rack: 1. Unpack the two slide rails assemblies and mo unting hardware from the rack-mounting kit (P/N: RMKIT18-3 2). Slide rail as sembly includes inn er member and front and rear members.
Installation 15 5. Ex tend the slide rail assembly by sliding the front member forward until it touches the rack’s front vertical rails (ad justable length: 18 to 32 inches [4 57-813mm]). Use two M5 screws to fix each front member onto the front vertical rails through the instal lation holes.
Installation 16 Figure 16 Inst alling rack-mount handles 9. Insert the UPS, with inner me mbers attached, into sli de rail assemblies b y inserting top and bottom edges of inner members into the top and bottom, curved tracks of front members and sliding the UP S into rack, as shown in Figure 17 .
Installation 17 2.5 Cable Connection The Liebert ® GXT3 ™ rear panel has an input cable an d plug, output receptacles and output cable(s) (Output cables are on GXT3-3 000 models onl y). Refer to 1.3.2 - Rear Panel Features for details. The battery cables are suppli ed with the battery cabinet.
Installation 18 2.6 Connecting Communication Cables Communication cable connect ion includ es: USB and ca bles for option cards. 2.6.1 Connecting USB Communication Cable s 1.
Controls and Indica tors 19 3.0 C ONTROLS AND I NDICATORS The operation and displ ay panel, shown in Figure 18 , is on the front panel of the Liebert ® GX T3 ™ (see Figures 1 and 2 ).
Controls and Indica tors 20 3.2 Indicators The operation and display panel has seven indicators (see Figure 18 ). The indi cators can be divide d into two groups according to the applications: level i ndicators and UPS status indicators.
Controls and Indica tors 21 3.2.2 UPS St atus Indicators UPS status is indicated by five symbols: fault indicator, AC input indica tor, battery indicator, inverter indicator and bypass indicator.
Operation 22 4.0 O PERATION This section describes checks to be made before starting the UPS, how to start the UPS, manual battery test, manual bypass, shutting down the UP S and disconnecting the utility power from the UPS. 4.1 St artup Checklist for the Liebert GXT3 Before starting the UPS, perform these checks: ___ 1.
Operation 23 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 avai lable, disregard the first step. 2. Press the Standby/Manual By pass bu tton twice within four second s to shut down the UPS.
Communication 24 5.0 C OMMUNICATION This section describes UPS communication over the three types of communicati on connections on the rear of the Liebert ® GXT3 ™ : • Liebert IntelliSl ot ® port • USB port (standard B-type) • Terminal Block Communication 5.
Communication 25 5.2 USB Port Communication The standard B-type USB port is used to connect the UPS and network server or other compute r system using Lieb ert ® MultiLink ® . Configuration prog ram ca n be accessed through the communication port. 5.
Communication 26 5.3 T erminal Block Communication The Terminal Block includes eight pins, as shown in Figure 21 . Figure 21 T erminal block communication pin layout 5.3.1 Any-Mode Shut down The purpose of Any Mode Shutdown i s to shut do wn the UPS output by tu rning Off the rectifier, inverter and bypa ss so that there is no p ower to the load s.
Communication 27 5.3.2 Battery Mode Shut down Battery Mode Shutdown permits shuttin g down the U PS by turning Off the rectifier, inverter and bypass so that there is no power to the load when the UPS is On Battery.
Maintenance 28 6.0 M AINTENANCE This section describes replaci ng the internal bat te ry pack, precaution s, checking the Li ebert ® GXT3’s status and checking U PS functions. 6.1 Replacing the Internal Battery Pack The Liebert ® GXT3 ™ is designed to allow the use r to replace the interna l battery pa ck safely.
Maintenance 29 Figure 22 Removing the front bezel cover a nd battery door 4. Ge ntly pull the battery wire ou t and disconnect th e battery plug a nd battery rece ptacle, as shown in Figure 23 . Figure 23 Disconnecting the battery plug and battery recept acle (front view) 5.
Maintenance 30 6.2 Battery Charging The batteries are valve-regulated, nonspillabl e, lead acid and should be kept charged to attain their design life. The Liebert ® GXT3 ™ charges the batteries continuously wh en it is connected to the utility input power.
Trou bleshooting 31 7.0 T ROUBLESHOOTING This section indicate s various UP S symptoms a user may encounter and troubleshooting steps in the event the UPS develops a problem. Use the follow ing information to determ ine whether external factors caused the problem and how to remedy the sit uation.
Trou bleshooting 32 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 wil l enunciate as given in Table 9 . 7.2 T roubleshooting In the event of an issue with the UPS, refer to Table 1 0 to determine the caus e and solution.
Trou bleshooting 33 When reporting a UPS issue to Em erson, include the UPS model and serial number. These are on the top panel of the Liebert ® GXT3 ™ . Fault and Bypass indi cators and diagnostic B indicator are illuminated UPS internal DC bus overvoltage UPS requires service.
Battery Cabinet 34 8.0 B ATTERY C ABINET Optional battery ca binets are available for the Liebert ® GXT3 ™ . The battery connectors and input breaker are on the battery cabinet’s rear pan el, as shown in Figure 26 . For battery cabinet specifications, ref er to Table 13 .
Specifications 35 9.0 S PECIFICATIONS T able 1 1 S pecifications of GXT3-500RT1 20 - GXT3-1000RT120 and GXT3-1000M T120 UPS Parameters Product Model GXT3-500RT120 (500VA/450W) GXT3-700RT120 (700VA/630W) GXT3-1000RT120 (1000VA/900W) GXT3-1000MT120 (1000VA/900W) Dimensions, D × W × H, in.
Specifications 36 T able 12 Specifica tions of GXT3-1500RT 120 - GXT3-3000RT120 and GXT3-3000RT208 UPS Parameters Product Model GXT3-1500RT120 (1500VA/1350W) GXT3-2000RT120 (2000VA/1800W) GXT3-3000RT120 (3000VA/2700W) GXT3-3000RT208 (3000VA/2700W) Dimensions, D × W × H, in.
Specifications 37 T able 13 Battery cabinet specifications Parameter Model Number GXT3-48VBATT GXT3-72VBATT Used w/UPS Model GXT3-500RT120,GXT3-700RT12 0 GXT3-1000RT120,GXT3-1500RT120, GXT3-2000RT120 GXT3-3000RT120 GXT3-3000RT208 Dimensions, D × W × H, in (mm) Unit 19.
Specifications 38 T able 15 Battery run time s Number of Batteries/Cabinets Load Percent of Capacity 120VAC RT Models 208 VAC RT Model 500VA 700VA 1000VA 1500VA 2000VA 3000VA 3000VA Internal Battery 1.
Specifications 39 9.1 Product W arranty Registration To register for warranty protection, visit the Quick Links section of the Liebert ® Web site at: http://www.
Specifications 40.
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Ensuring The Hi gh Av ailabilit y Of Mission-Critic al Dat a And Applic ations. Emerson Net work P ower , a business of Emer son (NYSE:EMR), is the global leader in enabling Business-Critic al Continuity ™ from grid to chip f or telecommunication networks, data centers, health care and industrial facilities.
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