Liebert 700-3000 VA user manual Introduction and System Description

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10.Route power supply cords so they are not walked on or pinched.

11.Never block or insert any object into the ventilation holes or other openings. Maintain a clearance of four (4) inches in front and rear of the UPS for proper air flow and cooling.

12.Always turn off the UPS and unplug it before starting the battery replacement procedure. Servicing of batteries should be performed or supervised by personnel knowledgeable of batteries and the required precautions. To replace batteries, refer to the battery replacement procedure. If you feel unqualified to replace the batteries, do not open the battery door. Refer all servicing to qualified service personnel.

13.CAUTION: Do not open or mutilate the batteries. Released electrolyte is harmful to skin and eyes and may be toxic.

INTRODUCTION AND SYSTEM DESCRIPTION

Congratulations on your choice of the Liebert UPStation GXT™ Uninterruptible Power System (UPS). It provides conditioned power to microcomputers and other sensitive electronic equipment.

Upon generation, AC power is clean and stable. However, during transmission and distribution it may be subject to voltage sags, spikes, or complete power failure which may interrupt computer operations, cause data loss, or even damage equipment. The UPStation GXT™ protects equipment from these disturbances.

The UPStation GXT™ comes in nominal power ratings of 700, 1000, 1500, 2000, or 3000 VA. Complete specifications appear near the end of this section.

The UPStation GXT™ is a compact, “on-line” UPS. An “on-line” UPS continuously conditions and regulates its output voltage, whether the utility power is present or not. It supplies connected equipment with clean sinewave power. Sensitive electronic equipment operates best from sinewave power.

For ease of use, the UPStation GXT™ contains a light emitting diode (LED) display to indicate either “load percentage” or “battery capacity” depending upon the mode of operation. It also provides self-diagnostics, a combination On/Alarm Silence/Manual Battery Test button, a combination Off/Bypass button, and two levels of alarms when the unit is operating on battery.

The UPStation GXT™ has an interface port for communications between the UPS and a LAN server or other computer system. This port provides detailed operating information including voltages, currents, and alarm status to the host system when used in conjunction with Liebert SiteNet® software. SiteNet® software can also remotely control UPS operation.

CAUTION: This equipment has been tested and complies with limits for a Class A digital device, pursuant to Subpart B of Part 15 of FCC rules. These limits provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy. If it is not installed and used in accordance with the instruction manual, it may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference which the user must correct at his own expense.

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Contents UPStation GXT Important Safety Instructions Introduction and System Description Inverter RECTIFIER/POWER Factor Correction PFC CircuitBattery Charger Major ComponentsBattery DC to DC ConverterDynamic Bypass MINI-TOWER/TOWER UPS Installations General InstallationRACK-MOUNT UPS Conversion and Installation RACK-MOUNT Conversion DiagramsOptional Battery Cabinets Installation Battery Cabinet Installation DiagramSerial Communications Ferrite Bead InstallationUpstation GXT On/Alarm Silence/Manual Battery Test Button Controls and IndicatorsOperation Normal Mode OperationBattery Recharge Mode Battery Mode OperationCommunications Interface Port UPS MonitoringPIN Assignmentcollector to Emiter Maintenance UPS Intelligent CommunicationsUPS Intellislot Communications For 700/1000 VA MINI-TOWER Models Battery Replacement ProceduresRACK/TOWER Models For 1000 to 3000 VA RACK/TOWER Models Tower Models onlyRack / Tower Battery Replacement Internal Battery minutes Upstation GXT Battery RUN TimesAudible Alarm Conditions Fuse Replacement ProceduresTroubleshooting Problem Cause Solution Troubleshooting GuideVA/W SpecificationsGXT1000RT-120 GXT1000RTE-120 Weight kg lbs Used w/ UPS Model Battery Cabinet SpecificationsLimited Warranty 700-3000 VA 120