Instruction/ maintenance manual of the product GXT2U Emerson
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AC P owe r Syste ms For Business -Critic al Con tinuity™ Lieber t ® GXT2U ™ Us er Man ual - 208V , 2700V A.
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i T ABLE OF CONTENT S I MPORT A NT S AFETY I NSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . 1 G LOSSARY OF S YMBOLS . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 I NTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ii O PERATING I NSTR UCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Normal Mode Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Bypass Mode Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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.
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.
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-.
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.
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.
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.
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 Ou.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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 .
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.
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 .
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.
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.
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% 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.
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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 .
An important point after buying a device Emerson GXT2U (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Emerson GXT2U yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Emerson GXT2U - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Emerson GXT2U you will learn all the available features of the product, as well as information on its operation. The information that you get Emerson GXT2U will certainly help you make a decision on the purchase.
If you already are a holder of Emerson GXT2U, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Emerson GXT2U.
However, one of the most important roles played by the user manual is to help in solving problems with Emerson GXT2U. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Emerson GXT2U along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
