Liebert UPStation GXT 2U Manuale utente

POWER PROTECTION

UPStation GXT 2U™ USER MANUAL

700-3000VA

120V

TABLE OF CONTENTS

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

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

INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

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

Transient Voltage Surge Suppression (TVSS) and EMI/RFI Filters . . . 5

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

Inverter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

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

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

Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

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

GXT 2U (Rear View) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

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

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

External Battery Cabinet Installation . . . . . . . . . . . . . . . . . . . . . . . . . . 12

CONTROLS AND INDICATORS. . . . . . . . . . . . . . . . . . . . . . . . . 13

ON/Alarm Silence/Manual Battery Test Button . . . . . . . . . . . . . . . . . . 13

Standby/Manual Bypass Button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Load/Battery Level Indicators (4 Green, 1 Amber) . . . . . . . . . . . . . . . 14

Fault Indicator LED (Red) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Bypass Indicator LED (Amber) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

UPS ON Indicator LED (Green) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Battery Indicator LED (Amber). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

AC Input Indicator LED (Green). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Output Voltage Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

OPERATING INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Normal Mode Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Battery Mode Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Battery Recharge Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

COMMUNICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Communications Interface Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Pin 4 - Remote Shutdown on Battery. . . . . . . . . . . . . . . . . . . . . . . . . . 17

UPS Intelligent Communications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

CONFIGURATION PROGRAM . . . . . . . . . . . . . . . . . . . . . . . . . 19

GXT 2U Configuration Program Abilities . . . . . . . . . . . . . . . . . . . . . . . 19

What You Will Need . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Battery Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Internal Battery Replacement Procedures: . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Fuse Replacement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

BATTERY CABINET SPECIFICATIONS . . . . . . . . . . . . . . . . . . . 30

BATTERY RUN TIMES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

IMPORTANT SAFETY INSTRUCTIONS

SAVE THESE INSTRUCTIONS

This manual contains important safety instructions. Read all safety, instal-

lation, and operating instructions before operating the Uninterruptible

Power System (UPS). Adhere to all warnings on the unit and in this man-

ual. Follow all operating and user instructions. Individuals without previ-

ous training can install and operate this equipment.

It is not intended for use with life support and other designated “critical”

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 grounded (earthed),

100-127 VAC, 50 Hz or 60 Hz supply.

ELECTROMAGNETIC COMPATIBILITY—The GXT 2U™Series com-

plies with the limits for a CLASS A DIGITAL DEVICE, PURSUANT TO

Part 15 of FCC rules. Operation is subject to the following two conditions:

(1) This device may not cause harmful interference, and (2) this device

must accept any interference received, including interference that may

cause undesired operation. Operating this device in a residential area is

likely to cause harmful interference that users must correct at their own

expense.

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

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

ment, free from 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.

This UPS contains no user serviceable parts except the internal battery

packs and the rear input line fuses. The UPS ON/Standby push buttons

do not electrically isolate 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

indications 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 unautho-

rized personnel away from the batteries. PROPER DISPOSAL OF BAT-

TERIES 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 open-

ings of the UPS.

DO NOT CONNECT equipment that could overload the UPS or demand

DC current from the UPS, for example: electric drills, vacuum cleaners,

laser printers, hair dryers or any appliance using half-wave rectification.

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

ruption.

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, or other metal objects.

• Use tools with insulated handles.

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

Congratulations on your choice of the Liebert UPStation GXT 2U™Unin-

terruptible Power System (UPS). It provides conditioned power to micro-

computers and other sensitive electronic equipment.

Upon generation, AC power is clean and stable. However, during trans-

mission and distribution it may be subject to voltage sags, spikes, or com-

plete power failure that may interrupt computer operations, cause data

loss, or even damage equipment. The UPStation GXT 2U protects equip-

ment from these disturbances.

The UPStation GXT 2U comes in nominal power ratings of 700, 1000,

1500, 2000 and 3000 VA. Complete model specifications appear at the

end of this manual.

The UPStation GXT 2U is a compact, “on-line” UPS. An on-line UPS con-

tinuously conditions and regulates its output voltage, whether 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 2U features a light-emitting 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 UPStation GXT 2U has an interface port for communication between

the UPS and a network server or other computer systems. This port pro-

vides detailed operating information including voltages, currents, and

alarm status to the host system when used in conjunction with Liebert

MultiLink™software. MultiLink software can also remotely control UPS

operation.

MAJOR COMPONENTS

TRANSIENT VOLTAGE SURGE SUPPRESSION (TVSS) AND EMI/RFI

FILTERS

These UPS components provide surge protection and filter both electro-

magnetic interference (EMI) and radio frequency interference (RFI). They

minimize any surges or interference present in the utility line and keep the

sensitive equipment protected.

RECTIFIER/POWER FACTOR CORRECTION (PFC) CIRCUIT

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

verts utility 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 utility power is used as efficiently as possible by the UPS

• The amount of distortion reflected on the utility is reduced

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

ing not being protected by the UPStation GXT 2U.

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 utility 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

Inverter

Battery

Charger

DC to DC

Converter

Rectifier

/PFC

TVSS &

EMI/RFI

Filters

Dynamic

Bypass

BATTERY CHARGER

The battery charger utilizes energy from the utility power and precisely

regulates it to continuously “float charge” the batteries. The batteries are

being charged whenever the UPStation GXT 2U is plugged in, even when

the UPS is not turned on.

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 efficiency

and voltage, thus increasing reliability.

BATTERY

The UPStation GXT 2U utilizes valve-regulated, nonspillable, flame retar-

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

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

nal battery cabinets are available to extend battery run times.

DYNAMIC BYPASS

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. Bypass opera-

tion is indicated by an alarm and illuminated Bypass LED (other LEDs

may be illuminated to indicate the diagnosed problem). To manually trans-

fer the connected load from the inverter to bypass, press the Standby but-

ton once.

NOTE

The bypass power path does NOT protect the connected

equipment from disturbances on the utility supply.

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