Liebert 230V User Manual
POWER AVAILABILITY
UPStation GXT 2U™
USER MANUAL
700-3000VA
230V
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 Filters5
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
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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 GXT 2U 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
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Important Safety Instructions
1.0 IMPORTANT SAFETY INSTRUCTIONS
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.
SAVE THESE INSTRUCTIONS
This manual contains important safety instructions. Read all safety,
installation, and operating instructions before operating the Uninterruptible 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 “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 earthed (grounded), 50 Hz
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 GXT 2U Series
complies with the requirements of the EMC directive 89/336/EEC and
the published technical standards. Continued compliance 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 temperature 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
!
This UPS should not be supplied from electrical power
systems of the “IT” (Impedance á Terre) type
(IEC 364 - Electrical Installation of Buildings).
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Important Safety Instructions
This UPS contains no user serviceable parts except the internal battery pack. 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 unauthorized 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.
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2.0 GLOSSARY OF SYMBOLS
•
Risk of electrical shock
Indicates caution followed by important instructions
AC input
AC output
Glossary of Symbols
i
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
ON
Standby
3
Introduction
3.0 INTRODUCTION
Congratulations on your choice of the Liebert UPStation GXT 2U™
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 operations, cause data loss, or even damage equipment. The UPStation
GXT 2U protects equipment 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 (see 12.0 - Specifications).
The UPStation GXT 2U 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 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 provides 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.
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4.0 MAJOR COMPONENTS
Major Components
Input Output
L
N
G
TVSS &
EMI/RFI
Battery
Charger
Rectifier
Dynamic
Bypass
DC to DC
Converter
Battery
Inverte
L
N
G
4.1 Transient Voltage Surge Suppression (TVSS) and EMI/RFI Filters
These UPS components provide surge protection and filter both electromagnetic 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 UPStation GXT 2U.
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.
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Major Components
4.4 Battery Charger
The battery charger utilizes energy from the mains 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.
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 optimum efficiency and voltage, thus increasing reliability.
4.6 Battery
The UPStation GXT 2U utilizes valve-regulated, nonspillable, flame
retardant, 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 UPStation GXT 2U provides an alternate path for mains 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
operation is indicated by an audible alarm and illuminated 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.
6
Figure 1 GXT 2U (Rear View)
DB-9
Communications
Port
Major Components
®
Intellislot
Port
Cooling Fans
External Battery
Connector
Output
Sockets
Support Base
Circuit Protector
Mains Input
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Installation
5.0 INSTALLATION
5.1 Preparation
1. Visually inspect the UPS for freight damage. Report damage to
the carrier and your local dealer or Liebert representative.
CAUTION
!
The UPS is heavy (see 12.0 - Specifications section). 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. Maintain a minimum clearance of 100mm (4 in.) in
the front and rear of the UPS. Maintain an ambient temperature
range of 0°C to 40°C (32°F to 104°F).
NOTE
UPS operation in temperatures above 25°C (77°F) reduces
battery life.
3. The GXT 2U may be installed in either a tower configuration or in
a rack, depending on available space and use considerations.
Determine the type of installation and follow the appropriate
instructions in either 5.2 - Tower UPS Installation or
5.3 - Rack-Mount UPS Conversion and Installation.
5.2 Tower UPS Installation
When using the GXT 2U in a tower configuration, use the included
support base (shown below, left) to stabilize the UPS.
If any battery cabinets are added, they will include spacers to accommodate the additional cabinets (shown below, right).
Support base Spacers added to support
base to accommodate
additional battery cabinets
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