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Manual Emerson GXT2U

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  • Emerson GXT2U - page 1

    AC P owe r Syste ms For Business -Critic al Con tinuity™ Lieber t ® GXT2U ™ Us er Man ual - 208V , 2700V A ...

  • Emerson GXT2U - page 2

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  • Emerson GXT2U - page 3

    i T ABLE OF CONTENT S I MPORT A NT S AFETY I NSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . 1 G LOSSARY OF S YMBOLS . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 I NTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 M AJOR C OMPONENT S . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

  • Emerson GXT2U - page 4

    ii O PERATING I NSTR UCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Normal Mode Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Bypass Mode Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Battery Mode Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Battery ...

  • Emerson GXT2U - page 5

    1 I MPORT ANT S AFETY I NSTRUCTIONS SA VE THESE INSTRUCTIONS This manual contains important safety instructions. Read all safety, installation, and operat ing instructions before operating the Uninterruptible Power System (UPS). Adhere to all warni ngs on the unit and i n this manual. Follow all operating and us er instructions. Indivi duals withou ...

  • Emerson GXT2U - page 6

    2 DO NOT CONNECT equipment that could overload the UPS or demand half- wave rectification from the UPS, for ex ample: electric drills, vacuum cleaners, laser printers or hai rdryers. Storing magnetic media on top of th e UPS may result in data loss or corruption. Turn the UPS off and isolate the UPS before cleaning; use only a soft cloth, never liq ...

  • Emerson GXT2U - page 7

    3 G LOSSARY OF S YMBOLS Risk of electrical shock Indicates caution follo wed by important instructions AC input AC output Requests the user to consult the manual Indicates the unit con t ains a valve-regulated lead acid battery Recycle DC voltage Equipment groundin g conductor Bonded to ground AC voltage ON St andby i ...

  • Emerson GXT2U - page 8

    4 I NTRODUCTION Congratulations on your ch oice of the Liebert GXT2U™ Uninterruptible Power System (UPS). It provides conditioned power to microcomputers and other sensitive elec tronic equipment. Upon generation, AC power is clean and stable. However, durin g transmission and distribution it may be subject to vo ltage sags, spikes, or complete p ...

  • Emerson GXT2U - page 9

    5 M AJOR C OMPONENT S T ransient V olt age Surge Suppression and EMI/RFI Filters These UPS components provide surge protecti on 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 sensitive equi pment protected. Rectifier/Power F ...

  • Emerson GXT2U - page 10

    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 effici ency and voltage, thus increasing reliability. Battery The Liebert GXT2U utilizes valve-regulate d, n onspillable lead ...

  • Emerson GXT2U - page 11

    7 Liebert GXT2U—Rear V iew 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 ...

  • Emerson GXT2U - page 12

    8 I NST ALLATION Prep aration 1. Visually inspect the UPS for freight damage. Repor t damage to the carrier and your local dealer or Liebert representative. 2. Decide where to place the Liebert GX T2U. Insta ll the UPS indoors in a con- trolled environment, where it cannot be acci dentally turned off. Place it in an area of unrestricted airflow aro ...

  • Emerson GXT2U - page 13

    9 Rack-Mount UPS Conversion and I nst allation 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 we re shipped with the UPS. Securing hardware and slide rails are sold separately . Contact your local dealer or Liebert re ...

  • Emerson GXT2U - page 14

    10 Install rear member of each bracket assembly into rack enclo- sure with two (2) M5 scr ews pro- vided in this kit. (See figure at right.) Return flanges on bra cket assembly fit to the inside of rack mounting rails. Inse rt screws loosely (finger-tig ht) into top and bottom holes of return flange on rear member. Extend bracket assembly by sli di ...

  • Emerson GXT2U - page 15

    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 fron t 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 attached from Step 5 , into bracket assemblies by ...

  • Emerson GXT2U - page 16

    12 9. To orient the display for hori zontal 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 to wer installation). This reveals a horizontally oriented front panel overlay for rack mount- ing. Snap the front bezel back into place. 10.Once the U ...

  • Emerson GXT2U - page 17

    13 4. Use the enclosed suppo rt bases for the tower option to prevent tip-over. One additional set of support base extensions ships with each external batter y 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. Turn ON the battery breaker on the rear of the ...

  • Emerson GXT2U - page 18

    14 C ONTROLS AND I NDICATORS ON/Alarm Silence/Manual Battery T est Button This button controls output power to connected load(s) and has three functions: •O N • Alarm Silence • Manual Battery Test ON - Pressing this button will star t up the UPS in order to provide conditioned and protected power. Alarm S ilence - To silence alarms, press thi ...

  • Emerson GXT2U - page 19

    15 St andby / Manual Bypas s Button This button controls output pow er to connected loa d(s) and has dual functions: Standby an d Manual Bypass. Load/Battery Level Indicators (4 Green, 1 Am ber) The load/battery level indicators h ave dual functions. During normal mode operation LED indicators display the appr oximate electrical load placed upon th ...

  • Emerson GXT2U - page 20

    16 Output V olt age Selection The Output Voltage is user configurable and is designed to allow selecting or changing the desired output voltage to matc h the utility via the Liebert GXT2U Configuration Prog ram provided with the UPS. The settings to choose from are 200, 208, 220, 230, and 240 VAC output. The factor y default setting is 208 VAC. ! C ...

  • Emerson GXT2U - page 21

    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 state. The four green load level LEDs indicate an ...

  • Emerson GXT2U - page 22

    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 i nverter to generate power for th e connected load. During battery mode an alarm sounds every 10 seconds. This will change t o two beeps every 5 seconds wh ...

  • Emerson GXT2U - page 23

    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. Seve ral signals are provided on this port and are assigned as fol lows: * Maximum voltage and current on pins 1, 7, 8, and 9 is 60 VDC; 10.0 mA. Pins 4 & 5 - Remote Shut down on Battery 1. ...

  • Emerson GXT2U - page 24

    20 Pins 5 & 6 - Any-Mode Shut down 1. Pin 6 of the 9-pin communication co nnector 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 Any-Mode Shutdown feature to be modified. Wh ...

  • Emerson GXT2U - page 25

    21 UPS Intelligent Communications The Liebert GXT2U is equipped with a Liebert Intell iSlot ® port to provide advanced communicati on an d monitoring options. Liebert’s MultiLink software continua lly monitors the UPS and can shut down your computer or server in th e event of an extended power failure. Liebert MultiLink can also be configured fo ...

  • Emerson GXT2U - page 26

    22 C ONFIGURATION P ROGRAM This is a new feature included with the new Liebert GXT2U line. Several UPS settings that were previously not ava ilable or required cu stom manufa cturing may now be modified using this program. For most users, the factory default settings will be adequa te. This manual illustrates the features availab le for modificatio ...

  • Emerson GXT2U - page 27

    23 M AINTENANCE The Liebert GXT2U requires very little maintenance. The batteries are valve- regulated, nonspillable, lead acid and sh ould be kept charged to obtain their designed life. The UPS continuously ch arges the batteries when connected to the utility supply. When storing the UPS for an y length of time, it is recommended to plug the UPS i ...

  • Emerson GXT2U - page 28

    24 Internal Battery Replacemen t Procedures 1. Gently remove the front plas tic 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 bat tery wiring out and di sconnect the two slotted bat tery con- nectors. 4. Grasp the battery pack assemb ly, and pull ...

  • Emerson GXT2U - page 29

    25 T ROUBLESHOOTING The information below indicates variou s symptoms a user may encounte r in the event the Liebert GXT2 U develops a problem. Use this information to determine whether e xternal factors c a used the problem and how to remedy the situation. 1. The Fault indicator will illumina te, indicating the UPS detected a problem. 2. An alarm ...

  • Emerson GXT2U - page 30

    26 T roubleshooting Guide Problem Cause Solution UPS fai ls to s tart 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 def ective or shorted internally . Battery indicator LED is illuminated. UPS not plugged in. UP ...

  • Emerson GXT2U - page 31

    27 Fault and Bypass indicator LEDs and diagnostic LED D are illuminated. UPS PFC (P ower Facto r Cor- rection Circuit) fault. UPS requires service. Contact your local dealer , Liebert repre- sentative or the Liebert World- wide Support Group. Fault and Bypass indicator LEDs and diagnostic LED E are illuminated. UPS inverter fault. UPS requires serv ...

  • Emerson GXT2U - page 32

    28 Alarm Conditions Condition Alarm Battery Mode (utility failure) One short beep every 10 seconds; more than 2 minute s of run time remaining Low Battery T wo sho rt beeps every 5 seconds; less than 2 minutes of run time remaining Output Overload (bypass) One short beep every half second Overtemperature (bypass) A one-second beep every 4 seconds D ...

  • Emerson GXT2U - page 33

    29 S PECIFICATIONS Model Number GXT2-2700RT208 Model Rating 2700V A / 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) INPUT AC P ARAMETERS V oltage Range (typical) 208 V ...

  • Emerson GXT2U - page 34

    30 Battery Cabinet Spec ifications Model Number GXT2-72VBA TT 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) 102.5 (46.5) BA TTERY P ARAMETERS T ype V alve-re ...

  • Emerson GXT2U - page 35

    31 Battery Run Times Load % Estimated Time Internal Battery (minutes) 10% 91 20% 46 30% 30 40% 21 50% 16 60% 1 1 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 Battery Cabinets (minutes) 10% 728 20% 368 30% 240 4 ...

  • Emerson GXT2U - page 36

    32 Product W arranty Registration To register for wa rranty protection: • V isit the Quick Links section of our Web site at: http://www .liebert.com • Click on Product W arranty Registrat ion and fill in the form. If you have any questions, please contact us at: US: 800-222-5877 Outside the US: 614-841-6755 upstech@liebert.com Internal Battery ...

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  • Emerson GXT2U - page 40

    Ensuring The High A vail ability 0f Mission-Critic al Dat a And Appli c ations. While every precaution has been tak en to ensure the accuracy and complet eness of this liter ature, Liebert Corporation as sumes no responsibility and disclaims all liability for damages resulting from u se of this informa tion or for any errors or omissions . © 2007 ...

Manufacturer Emerson Category Power Supply

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A complete manual for the device Emerson GXT2U, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Emerson GXT2U by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Emerson GXT2U.

A complete Emerson manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual Emerson GXT2U - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the Emerson GXT2U, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the Emerson GXT2U, that we can find in the current document
3. Tips how to use the basic functions of the device Emerson GXT2U - which should help us in our first steps of using Emerson GXT2U
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Emerson GXT2U
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Emerson GXT2U in a specific country, if it was not possible to solve the problem on our own.

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