Liebert GXT 2U User Manual
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Liebert GXT 2U User Manual

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P
A
OWER
VAILABILITY
UPStation GXT 2U™
U
M
SER
ANUAL
500-3000VA
120V

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Summary of Contents for Liebert GXT 2U

  • Page 1 OWER VAILABILITY UPStation GXT 2U™ ANUAL 500-3000VA 120V...

  • Page 3: Table Of Contents

    Dynamic Bypass ....... . 6 GXT 2U (Rear View)......7 NSTALLATION Preparation .
  • Page 4 UPS Intelligent Communications ....22 ONFIGURATION GXT 2U Configuration Program Abilities... 23 8.1.1 What You Will Need ......23 AINTENANCE Battery Replacement .

  • Page 5: Save These Instructions

    Maximum load must not exceed that shown on the UPS rating label. The UPS is designed for data processing equipment. If uncertain, consult your local dealer or Liebert representative. This UPS is designed for use on a properly grounded (earthed), 50Hz or 60Hz, 120V supply (programmable for 100, 110, 115, 120 and 127VAC output).
  • Page 6 Turn the UPS off and isolate the UPS before cleaning; use only a soft cloth, never liquid or aerosol cleaners. Keep the front and rear vents free of dust accumulation that could restrict airflow. When replacing batteries, replace with the same Liebert authorized replacement battery kits. CAUTION Do not dispose of battery or batteries in a fire.

  • Page 7: Glossary Of Symbols

    Glossary of Symbols LOSSARY OF YMBOLS Risk of electrical shock Indicates caution followed by important instructions AC input AC output Requests the user to consult the manual Indicates the unit contains a valve-regulated lead acid battery Recycle DC voltage Equipment grounding conductor Bonded to ground AC voltage Standby...

  • Page 8: Introduction

    The UPStation GXT 2U protects equipment from these disturbances. The UPStation GXT 2U comes in nominal power ratings of 500, 700, 1000, 1500, 2000 and 3000 VA. Complete model specifications appear at the end of this manual.

  • Page 9: Major Components

    • The amount of distortion reflected on the utility is reduced. This results in cleaner power being available to other devices in the building not being protected by the UPStation GXT 2U. NVERTER In normal operation, the inverter utilizes the DC output of the power factor correction circuit and inverts it into precise, regulated sinewave AC power.

  • Page 10: Battery Charger

    Optional external battery cabinets are available to extend battery run times. YNAMIC The UPStation GXT 2U provides an alternate path for utility power to the connected load in the unlikely event of a UPS malfunction. Should the UPS have an overload, overtemperature, or UPS failure condition, the UPS automatically transfers the connected load to bypass.

  • Page 11: Gxt 2U (Rear View)

    GXT 2U (R DB-9 Communications Port External Battery Connector Output Receptacles Support Base Major Components ® Intellislot Port Cooling Fan Input Fuse/Circuit Breaker AC Input...

  • Page 12: Installation

    The UPS is heavy (see 11.0 - Specifications). Take proper precautions when lifting or moving it. 2. Decide where to place the GXT 2U. Install the UPS indoors in a controlled environment, where it cannot be accidentally turned off. Place it in an area of unrestricted airflow around the unit, away from water, flammable liquids, gases, corrosives, and conductive contaminants.

  • Page 13: Rack-Mount Ups Conversion And Installation

    UPS. Optional rack mount handles Securing hardware and slide rails are sold separately. Contact your local dealer or Liebert representative for these additional options and any assistance needed. 2. Unpack the two (2) rack-...
  • Page 14 3. Determine the height position inside the rack enclosure where you want to mount the UPS or battery cabinet. CAUTION Reduce risk of tipping the rack enclosure by placing UPS or battery cabinet in the lowest possible rack position. Install rear member of each bracket assembly into rack enclosure with two (2) M5 screws provided in this kit.
  • Page 15 5. Prepare the UPS or battery cabinet (the “equipment”) for rack mounting by following instructions in the equipment’s user manual. The equipment may require additional parts to be added or parts to be removed for rack mounting. After it is prepared, lay equipment in rack-mounting position.
  • Page 16 8. Secure front of the equipment to rack mounting rails to prevent the equipment from sliding out of position. If securing holes are provided on front of the equipment that align with the center holes on return flange of front members, you can use the four (4) extra M5 screws provided in this kit to secure the equipment.

  • Page 17: External Battery Cabinet Installation

    XTERNAL Optional Liebert external battery cabinets may be connected to the UPS to provide additional battery run time. External battery cabinets are designed to be placed all on one side of the UPS or stacked beneath the UPS. There is no limit to the number of external battery cabinets that can be used but each cabinet will increase the battery recharge time.

  • Page 18: Controls And Indicators

    ON - Pressing this button will start up the UPS in order to provide conditioned and protected power. Alarm Silence - To silence alarms, press this button for at least one second. After the alarm is silenced, the UPStation GXT 2U will reactivate the alarm system to alert of additional problems. NOTE The LOW BATTERY and BYPASS reminder alarms CANNOT be silenced.

  • Page 19: Standby/Manual Bypass Button

    UPS; and during battery mode operation LED indicators display approximate battery capacity. The UPStation GXT 2U is equipped with automatic and remote bat- tery test features. The automatic test occurs every 14 days (this option is user configurable) if utility has not been interrupted. Should the...

  • Page 20: Ac Input Indicator Led (Green)

    The Output Voltage is user configurable and is designed to allow selecting or changing the desired output voltage to match the utility via the GXT 2U Configuration Program provided with the UPS. The settings to choose from are 100, 110, 115, 120, and 127 VAC output.

  • Page 21: Operating Instructions

    PERATING ORMAL 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.

  • Page 22: Battery Mode Operation

    If the UPS is turned OFF by a communication signal or because the batteries are depleted, it will operate as selected in the configuration program for Auto-Restart (see 8.1 - GXT 2U Configuration Pro- gram Abilities). ATTERY Once utility power is restored, the UPS resumes normal operation.

  • Page 23: Communications

    OMMUNICATIONS OMMUNICATIONS The UPStation GXT 2U UPS has a standard DB-9 serial port female connector located on the rear of the UPS unit. Several signals are pro- vided on this port and are assigned as follows: Low Battery (open collector)

  • Page 24: Pins 4 & 5 - Remote Shutdown On Battery

    2. Pin 4 requires a 5-12 VDC signal to shutdown. This normally comes form the serial port using Liebert’s contact closure cable. It cannot be used with just a contact closure unless the relay is used to switch a voltage source. A 5-12 VDC signal for 1.5 seconds or greater is required to signal a shutdown.

  • Page 25: Pins 5 & 6 - Any-Mode Shutdown

    If version 1.6 (or later) is used with an earlier GXT 2U model (with an earlier UPS firmware version), the Any-Mode Shutdown features can- not be changed.

  • Page 26: Ups Intelligent Communications

    UPS I NTELLIGENT The UPStation GXT 2U is equipped with an Intellislot vide advanced communication and monitoring options. Liebert’s MultiLink software continually monitors the UPS and can shut down your computer or server in the event of an extended power failure.

  • Page 27: Configuration Program

    ONFIGURATION The configuration program included with the UPStation GXT 2U line allows modification of several UPS settings that were previously unavailable or required custom manufacturing. The user manual on the configuration program disk describes the features available for modification, as well as default settings.

  • Page 28: Maintenance

    UPS in for at least 24 hours every four to six months to ensure full recharge of the batteries. The UPStation GXT 2U is designed to allow the user to safely replace the internal batteries. Read the safety cautions before proceeding.

  • Page 29: Internal Battery Replacement Procedures

    Compare new and old battery assemblies to make sure they are the same. If so, proceed with Step 6; otherwise STOP and contact your local dealer, Liebert representative, or the Liebert Worldwide Support Group. 6. Line up and slide in the new replacement battery pack.

  • Page 30: Fuse Replacement

    EPLACEMENT CAUTION Before changing the input fuse, turn off the UPS, and unplug the supply lead from the AC input supply. Replace the fuse with the same type and rating. 1. Remove the input fuse. 2. Locate the spare input fuse that is included with the UPS.

  • Page 31: Troubleshooting

    10.0 T ROUBLESHOOTING The information below indicates various symptoms a user may encounter in the event the UPStation GXT 2U develops a problem. Use this information to determine whether external factors caused the problem and how to remedy the situation.

  • Page 32: Table 1 Troubleshooting Guide

    If a problem persists, consult your local dealer, Liebert representative or contact the Liebert Worldwide Support Group. Please have the UPS model number and serial number available at the time of your inquiry.
  • Page 33 Contact your local dealer, Liebert representative or the Liebert Worldwide Support Group. UPS requires service. Contact your local dealer, Liebert Representative or the Liebert Worldwide Support Group. Replace batteries. Contact your local dealer, Liebert representative or the Liebert Worldwide Support Group. Troubleshooting Solution...
  • Page 34 If this was inadvertent, ensure the communication cable used is correct for your system. For assistance, contact your local dealer, Liebert representative or the Liebert Worldwide Support Group. Contact a qualified electrician to verify site wiring.

  • Page 35: Table 2 Alarm Conditions

    Low Battery Output Overload (bypass) Overtemperature (bypass) DC Bus Overvoltage (bypass) Control Power Supply Failure (bypass) PFC Failure (bypass) Inverter Failure Battery Test Failure One short beep every 10 seconds; more than 2 minutes of run time remaining Two short beeps every 5 seconds;...

  • Page 36: Specifications

    11.0 S PECIFICATIONS Model Number Model Rating DIMENSIONS - in. (mm) Unit W x D x H Shipping W x D x H WEIGHT - lb. (kg) Unit Shipping INPUT AC PARAMETERS Voltage Range (typical) 100% - 90% loading 90% -70% loading 70% -30% loading 30% - 0% loading Frequency...

  • Page 37: Specifications

    PECIFICATIONS Model Number Model Rating DIMENSIONS - in. (mm) Unit W x D x H Shipping W x D x H WEIGHT - lb. (kg) Unit Shipping INPUT AC PARAMETERS Voltage Range (typical) 100% - 90% loading 90% -70% loading 70% -30% loading 30% - 0% loading Frequency...

  • Page 38: Battery Cabinet Specifications

    12.0 B ATTERY Model Number Used With UPS Model DIMENSIONS - in. (mm) Unit W x D x H Shipping W x D x H WEIGHT - lb. (kg) Unit Shipping BATTERY PARAMETERS Type Qty x V x Rating Battery Mfg / Part # Backup Time ENVIRONMENTAL Operating Temp...

  • Page 39: Battery Run Times

    13.0 B ATTERY Load% 500VA 700VA 1000VA 1500VA 2000VA 3000VA Internal Battery (minutes) 100% Internal Battery + 1 External Battery Cabinet (minutes) 100% Internal Battery + 2 External Battery Cabinets (minutes) 100% Internal Battery + 3 External Battery Cabinets (minutes) 100% Internal Battery...

  • Page 40: Roduct Warranty Egistration

    RODUCT To register for warranty protection: • Visit the Quick Links section of our Web site at: http://www.liebert.com • Click on Product Warranty Registration 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...
  • Page 41 NOTES...
  • Page 44 UPStation GXT 2U™ The Company Behind the Products With over a million installations around the globe, Liebert is the world leader in computer protection systems. Since its founding in 1965, Liebert has developed a complete range of support and protection systems for sensitive electronics: •...

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