Emerson Liebert UPStation GXT2U Manuale utente

AC Power Systems

For Business-Critical Continuity™

Liebert®UPStation GXT2U™

User Manual - 230V, 700-3000VA

TABLE OF CONTENTS

1.0 IMPORTANT SAFETY INSTRUCTIONS . . . . . . . . . . . . . . . 1

2.0 GLOSSARY OF SYMBOLS . . . . . . . . . . . . . . . . . . . . . . . 3

3.0 INTRODUCTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

4.0 MAJOR COMPONENTS . . . . . . . . . . . . . . . . . . . . . . . . . 5

4.1 Transient Voltage Surge Suppression (TVSS)

and EMI/RFI Filters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

4.2 Rectifier/Power Factor Correction (PFC) Circuit . . . . . . 5

4.3 Inverter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

4.4 Battery Charger . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

4.5 DC to DC Converter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

4.6 Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

4.7 Dynamic Bypass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

5.0 INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

5.1 Preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

5.2 Tower UPS Installation . . . . . . . . . . . . . . . . . . . . . . . . . . 8

5.3 Rack-Mount UPS Conversion and Installation . . . . . . . 9

5.4 External Battery Cabinet Installation . . . . . . . . . . . . . 13

6.0 CONTROLS AND INDICATORS . . . . . . . . . . . . . . . . . . . 14

6.1 ON/Alarm Silence/Manual Battery Test Button . . . . . 14

6.2 Standby/Manual Bypass Button . . . . . . . . . . . . . . . . . . 15

6.3 Load/Battery Level Indicators (4 Green, 1 Amber) . . . 15

6.4 Fault Indicator LED (Red). . . . . . . . . . . . . . . . . . . . . . . 15

6.5 Bypass Indicator LED (Amber) . . . . . . . . . . . . . . . . . . . 15

6.6 UPS ON Indicator LED (Green) . . . . . . . . . . . . . . . . . . 15

6.7 Battery Indicator LED (Amber). . . . . . . . . . . . . . . . . . . 16

6.8 AC Input Indicator LED (Green). . . . . . . . . . . . . . . . . . 16

6.9 Output Voltage Selection . . . . . . . . . . . . . . . . . . . . . . . . 16

7.0 OPERATING INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . 17

7.1 Normal Mode Operation . . . . . . . . . . . . . . . . . . . . . . . . 17

7.2 Bypass Mode Operation . . . . . . . . . . . . . . . . . . . . . . . . . 17

7.3 Battery Mode Operation . . . . . . . . . . . . . . . . . . . . . . . . 18

7.4 Battery Recharge Mode . . . . . . . . . . . . . . . . . . . . . . . . . 18

8.0 COMMUNICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

8.1 Communications Interface Port. . . . . . . . . . . . . . . . . . . 19

8.2 Pins 4 & 5 - Remote Shutdown on Battery . . . . . . . . . . 19

8.3 Pins 5 & 6 - Any-Mode Shutdown . . . . . . . . . . . . . . . . . 20

8.3.1 Auto-Enable Output . . . . . . . . . . . . . . . . . . . . . . . . . . 20

8.3.2 Pin 6 Logic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

8.4 UPS Intelligent Communications . . . . . . . . . . . . . . . . . 21

9.0 CONFIGURATION PROGRAM . . . . . . . . . . . . . . . . . . . . 22

9.1 Liebert UPStation GXT2U Configuration Program

Abilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

9.1.1 What You Will Need . . . . . . . . . . . . . . . . . . . . . . . . . . 22

10.0 MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

10.1 Battery Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

10.1.1 Internal Battery Replacement Procedures . . . . . . . . 24

11.0 TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . 25

12.0 SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

12.1 Battery Cabinet Specifications . . . . . . . . . . . . . . . . . . . 32

13.0 BATTERY RUN TIMES . . . . . . . . . . . . . . . . . . . . . . . . . 33

13.1 Product Warranty Registration . . . . . . . . . . . . . . . . . . . 34

Important Safety Instructions

1.0 IMPORTANT SAFETY INSTRUCTIONS

SAVE THESE INSTRUCTIONS

This manual contains important safety instructions. Read all safety,

installation, and operating instructions before operating the Uninter-

ruptible Power System (UPS). Adhere to all warnings on the unit and

in this manual. Follow all operating and user instructions. Individuals

without previous training can install and operate this equipment.

It is not intended for use with life support and other designated “criti-

cal” devices. 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 earthed (grounded), 50Hz

or 60Hz, 230V supply (programmable for 200, 208, 220, 230, and

240VAC output). Installation instructions and warning notices are

located in this manual.

ELECTROMAGNETIC COMPATIBILITY—The Liebert UPStation

GXT2U™Series complies with the requirements of the EMC directive

2004/108/EC and the published technical standards. Continued com-

pliance requires installation in accordance with these instructions and

use of manufacturer approved accessories only.

Operate the UPS in an indoor environment only in an ambient tem-

perature range of 0°C to +40°C (32°F to +104°F). Install it in a clean

environment, free from conductive contaminates, moisture, flammable

liquids, gases and corrosive substances.

!WARNING

Opening or removing the cover may expose you to lethal

voltages within this unit even when it is apparently not

operating and the input wiring is disconnected from the

electrical source. Observe all cautions and warnings in this

manual. Failure to do so MAY result in serious injury or

death. Refer all UPS and battery service to qualified service

personnel. Do not attempt to service this product yourself.

Never work alone.

!WARNING

This UPS should not be supplied from electrical power

systems of the “IT” (Impedance á Terre) type

(IEC 364 - Electrical Installation of Buildings).

Important Safety Instructions

This UPS contains no user serviceable parts except the internal bat-

tery pack. The UPS ON/Standby push buttons do not electrically iso-

late internal parts. Under no circumstances attempt to gain access

internally other than to replace the batteries due to risk of electric

shock or burn. Do not continue to use the UPS if the front panel indi-

cations are not in accordance with these operating instructions or if

the UPS performance alters in use. Refer all faults to your local

dealer, Liebert representative or the Liebert Worldwide Support

Group.

Servicing of batteries should be performed or supervised by personnel

knowledgeable of batteries and the required precautions. Keep unau-

thorized personnel away from the batteries. PROPER DISPOSAL OF

BATTERIES IS REQUIRED. REFER TO YOUR LOCAL LAWS AND

REGULATIONS FOR BATTERY DISPOSAL REQUIREMENTS.

Never block or insert any object into the ventilation holes or other

openings of the UPS.

DO NOT CONNECT equipment that could overload the UPS or

demand half-wave rectification from the UPS, for example: electric

drills, vacuum cleaners, laser printers or hairdryers.

Storing magnetic media on top of the UPS may result in data loss or

corruption.

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. The battery

may explode.

Do not open or mutilate the battery or batteries. Released

electrolyte is harmful to skin and eyes. It may be toxic.

!CAUTION

A battery can present a risk of electrical shock and high short

circuit current. The following precautions should be observed

when working on batteries:

• Remove watches, rings, and other metal objects.

• Use tools with insulated handles.

Glossary of Symbols

2.0 GLOSSARY OF SYMBOLS

•

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

Introduction

3.0 INTRODUCTION

Congratulations on your choice of the Liebert UPStation GXT2U™

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 that may interrupt computer opera-

tions, cause data loss, or even damage equipment. The Liebert UPSta-

tion GXT2U protects equipment from these disturbances.

The Liebert UPStation GXT2U comes in nominal power ratings of

700, 1000, 1500, 2000 and 3000 VA. Complete model specifications

appear at the end of this manual (see 12.0 - Specifications).

The Liebert UPStation GXT2U is a compact, “on-line” UPS. An on-line

UPS continuously conditions and regulates its output voltage,

whether mains power is present or not. It supplies connected equip-

ment with clean sinewave power. Sensitive electronic equipment oper-

ates best from sinewave power.

For ease of use, the Liebert UPStation GXT2U features a light-emit-

ting diode (LED) display to indicate either load percentage or battery

capacity depending upon the mode of operation. It also provides self-

diagnostic tests, a combination ON/Alarm Silence/Manual Battery

Test button, a Standby button, user configurable program, and two

levels of alarms when the unit is operating on battery.

The Liebert UPStation GXT2U has an interface port for communica-

tion between the UPS and a network server or other computer sys-

tems. This port provides detailed operating information including

voltages, currents, and alarm status to the host system when used in

conjunction with Liebert MultiLink™ software. Liebert MultiLink

software can also remotely control UPS operation.

Major Components

4.0 MAJOR COMPONENTS

4.1 Transient Voltage Surge Suppression (TVSS)

and EMI/RFI Filters

These UPS components provide surge protection and filter both elec-

tromagnetic interference (EMI) and radio frequency interference

(RFI). They minimize any surges or interference present in the mains

line and keep the sensitive equipment protected.

4.2 Rectifier/Power Factor Correction (PFC) Circuit

In normal operation, the rectifier/power factor correction (PFC) circuit

converts mains AC power to regulated DC power for use by the

inverter while ensuring that the waveshape of the input current used

by the UPS is near ideal. Extracting this sinewave input current

achieves two objectives:

• The mains power is used as efficiently as possible by the UPS.

• The amount of distortion reflected on the mains is reduced.

This results in cleaner power being available to other devices in the

building not being protected by the Liebert UPStation GXT2U.

4.3 Inverter

In normal operation, the inverter utilizes the DC output of the power

factor correction circuit and inverts it into precise, regulated sinewave

AC power. Upon a mains power failure, the inverter receives its

required energy from the battery through the DC to DC converter. In

both modes of operation, the UPS inverter is on-line and continuously

generating clean, precise, regulated AC output power.

Input Output

Inverte

Battery

Charger

DC to DC

Converter

Rectifier

TVSS &

EMI/RFI

Dynamic

Bypass

Major Components

4.4 Battery Charger

The battery charger utilizes energy from the mains power and pre-

cisely regulates it to continuously “float charge” the batteries. The bat-

teries are being charged whenever the Liebert UPStation GXT2U is

plugged in, even when the UPS is not turned on.

4.5 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 opti-

mum efficiency and voltage, thus increasing reliability.

4.6 Battery

The Liebert UPStation GXT2U utilizes valve-regulated, nonspillable,

lead acid batteries. To maintain battery design life, operate the UPS

in an ambient temperature of 20°C to 25°C (68°F to 77°F). Optional

external battery cabinets are available to extend battery run times.

4.7 Dynamic Bypass

The Liebert UPStation GXT2U provides an alternate path for mains

power to the connected load in the unlikely event of a UPS malfunc-

tion. Should the UPS have an overload, overtemperature, or UPS fail-

ure condition, the UPS automatically transfers the connected load to

bypass. Bypass operation is indicated by an audible alarm and illumi-

nated amber Bypass LED (other LEDs may be illuminated to indicate

the diagnosed problem). To manually transfer the connected load from

the inverter to bypass, press the Standby button once.

NOTE

The bypass power path does NOT protect the connected

equipment from disturbances on the mains supply.

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