WARNING: Do not attempt to service this product yourself except to replace
the battery. Opening or removing the cover may expose you to dangerous
voltages, even when the AC cord is disconnected from the electrical outlet.
Refer all servicing to qualified service personnel.
1. SAVE THESE INSTRUCTIONS. THIS MANUAL CONTAINS IMPORTANT
SAFETY INSTRUCTIONS. Read all safety 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.
2. This product is designed for Commercial/Industrial use only. 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. If
uncertain, consult your dealer. See Limited Warranty.
3. WHEN REPLACING THE BATTERIES, USE THE APPROPRIATE
LIEBERT-APPROVED REPLACEMENT BATTERY KIT. PROPER
DISPOSAL OF BATTERIES IS REQUIRED. REFER TO YOUR LOCAL
LAWS AND REGULATIONS FOR DISPOSAL REQUIREMENTS.
4. Always turn off the UPS and unplug it before starting the battery
replacement procedure. 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.
5. CAUTION: Do not open or mutilate the batteries. Released electrolyte is
harmful to skin and eyes and may be toxic.
6. The mains supply socket or means of isolation must be within 2 meters of
the equipment and accessible to the operator. The UPS is designed for data
processing equipment.
7. The UPS comes with two output power leads with molded connectors - do
not modify these leads. Consult dealer if connector does not match the load
socket. UPS must be grounded at all times while in use. Turn UPS off
before unplugging it, or the safety earth will be removed.
8. The UPStation GXT™ models 700 VA, 1000 VA, 1500 VA, and 2000 VA are
not supplied with an input power lead for connection to the mains supply
socket. Use the input mains supply power lead from your data processing
equipment to connect the UPS to the mains supply. For the 3000 VA model,
use the supplied 16 ampere rated input mains supply lead. For UK supply
systems, consult a qualified electrician to connect the lead supplied for the
3000 VA model to the mains supply.
CAUTION: The UPS and the connected load combined total earth leakage
current must not exceed 3.5 milliamperes. If the connected load earth
leakage current is likely to exceed 2.0 milliamperes or you are unsure, then
convert the input lead attachment to either a fixed wiring installation or an
industrial plug/socket (e.g. CEE 17 connector). This task should be carried
out by a competent electrical engineer who is conversant with local electrical
codes/regulations.
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9. The UPS output supply sockets may be electrically live whenever the input
power lead is plugged into the mains supply socket. Turning the UPS off
does not electrically isolate the internal parts. To isolate the UPS, turn the
UPS off then isolate it from the mains supply.
10. When installing the UPS or making input and output connections, comply
with relevant safety standards (e.g. IEC950, VDE0805, EN50091-1).
11. This equipment 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 the use of
manufacturer approved accessories with output cables not exceeding 10
metres (30 ft.) in length. Use a shielded cable for the external
communications interface.
12. Operate UPS only from a properly earthed, 50 Hz or 60 Hz, 208-240 VAC
mains supply. Models are available for 100-127 VAC supply voltages.
13. Route power supply cords so they are not walked on or pinched.
14. Never block or insert any object into the ventilation holes or other openings.
Maintain a minimum clearance of 100 mm (4 inches) in front and rear of the
UPS for proper air flow and cooling.
15. Operate the UPS in an indoor environment only with an ambient temperature
range of 0° C to +40° C (32° F to +104° F). Install it in a clean environment,
free from moisture, flammable liquids, gasses, or corrosive substances.
16. Storing magnetic media on top of the UPS may result in data loss or
corruption.
17. Turn the UPS off and unplug the UPS before cleaning. Use only a soft cloth,
never liquid or aerosol cleaners.
18. This equipment can be operated by individuals without previous training.
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INTRODUCTION AND SYSTEM DESCRIPTION
Congratulations on your choice of the 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 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™ 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 the SiteNet® 2 software. SiteNet® 2
software can also remotely control UPS operation.
GLOSSARY OF SYMBOLS USED ON PRODUCT
Indicates AC Input
Indicates AC Output
Indicates Caution: Note the accompanying instruction
indicates the position of a fuse
Indicates the position of a fuse
Requests the user to consult the manual for additional
information
Indicates that the unit contains a valve regulated lead acid
battery
5
MAJOR COMPONENTS
Dynamic
Bypass
Inverter
OUTPUT
INPUT
TVSS
and
EMI/RFI
Filters
Battery
Charger
Rectifier/PFC
DC to DC
Converter
Battery
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.
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, and 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™.
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-DC converter. In both modes of the operation, the UPS
inverter is on-line and continuously generating clean, precise, regulated AC
output power.
BATTERY CHARGER
The battery charger utilizes energy from the mains power and precisely regulates
it to continuously “float” charge the battery system. The battery system charges
whenever the UPStation GXT™ is plugged in.
6
DC TO DC CONVERTER
The DC-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™ employs valve regulated, nonspillable, lead acid batteries.
At typical room temperatures and with the UPS float charging, the battery system
will last many years. Optional external battery cabinets are available to provide
extended run times for the rack-tower (RT) models. For battery run times, refer
to the Typical Battery Discharge Curves.
DYNAMIC BYPASS
The UPStation GXT™ 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, over temperature, or UPS failure condition, the UPS
automatically transfers the connected load to bypass. Bypass operation is
indicated by an alarm and an illuminated Bypass LED (other LED’s may be
illuminated to indicate the diagnosed problem). To manually transfer the
connected load from the inverter to bypass power, press the Off button once.
NOTE: The bypass power path does NOT protect the connected equipment
from disturbances on the mains supply.
GENERAL INSTALLATION
MINI-TOWER/TOWER UPS INSTALLATIONS
1. Unpack the UPS carefully noting the packing method. Retain the box and
packing material for possible future shipment.
2. CAUTION: The UPS is heavy (see specifications). Take proper precautions
when lifting or moving it.
3. Visually inspect the UPS for freight damage. Report damage to the carrier
and your dealer.
4. Locate the UPS indoors in a controlled environment, where it cannot be
accidentally disconnected. Locate it in an area with unrestricted airflow,
away from water, flammable liquids, gases, or corrosives. Maintain a
minimum of 100 mm (4 inches)
clearance around the UPS.
Maintain an ambient temperature
range of 0° to 40° C (32° to 104° F).
NOTE: UPS operation in
temperatures above 25° C (77° F)
reduces battery life. Ensuring load
equipment is turned off, plug all
loads into the UPS output sockets.
5. For 700-2000 VA models, unplug
power input cable (A) from load
equipment input socket (D) and
plug it into UPS input socket (C).
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Re-plug the power input cable (A) into mains supply socket. Proceed
with step 9.For 3000 VA models, a CEE 19 input cable is supplied. Proceed
with the next step.
6. Connect the molded connector of the mains AC input supply cable into the
UPS.
7. Fit the supplied retainer bracket around the input supply cable and secure
the bracket to the rear of the UPS using the two supplied screws.
8. The free end of the input supply cable should be connected to the electrical
supply distribution system in accordance with local rules and conditions.
NOTE: The UPS On/Alarm Silence/Manual Battery Test button does not
electrically isolate the internal parts. To isolate the UPS, provide an isolator
that is accessible to the operator and located within two meters of the UPS.
The wires in the mains lead are colored with the following code:Green and Yellow = Earth, Blue = Neutral, Brown = LiveAs the color of the wires in the mains lead may not correspond with the
colored marking identifying the terminals in the plug, proceed as follows: The
green and yellow wire must be connected to the terminal in the plug that is
marked with the letter “E” or by the earth symbol, or colored green and
yellow. The blue wire must be connected to the terminal that is marked with
the letter “N” or colored black. The brown wire must be connected to the
terminal that is marked with the letter “L” or colored red.
9. Connect the supplied CEE 22 output cable (B) between the load equipment
input socket (D) and one of the UPS AC output sockets (E). Connect all
load equipment to the UPS in this way.
10. Turn on the UPS by pressing the On button for at least one half second; then
turn on the connected load equipment. The UPS is ready for normal
operation.
Retainer
Retainer
Bracket
Bracket
Screws
Support
Base
8
RACK-MOUNT CONVERSION DIAGRAMS
RACK-MOUNT UPS CONVERSION AND INSTALLATION
1. Unpack the UPS carefully noting the packing method. Retain the box and
packing material for possible future shipment.
2. CAUTION: The UPS is heavy (see specifications). Take proper precautions
when lifting or moving it.
3. Visually inspect the UPS for freight damage. Report damage to the carrier
and your dealer.
4. Remove the two screws located at the rear of the top cover with a Phillips
(cross head) screwdriver. Push the top cover towards back of UPS and lift
off. Remove and retain the two flange screws located at the front of UPS.
5. Gently lay unit on its right side and remove the six rubber feet with the
screwdriver. Remove and retain screws from the two front feet.
NOTE: The rubber feet are not used for rack-mount installations.
6. Locate securing flanges in the top of packing material and fasten to the UPS
using the flange screws from steps 4 and 5.
7. Remove display template to change the orientation of the display. You may
also rotate the “Liebert UPStation GXT™” plate located at left of display
area.
8. NOTE: UPS unit MUST be supported by a shelf, brackets or slide rails on
each side. The securing flanges WILL NOT support the weight of the UPS.
9. For slide rail installations, securing hardware is provided with the UPS and is
located in the packing material (slide rails sold separately). Fasten the
slides into position with the screws per the instructions included with the
slide rails.
10. The UPS automatically starts up in the bypass mode once the UPS is
plugged into the mains socket. The UPS is now ready to be placed into the
equipment rack.
9
11. Ensure the load equipment is turned off, and plug all loads into the UPS
output sockets.
12. For 700-2000 VA models, unplug power input cable from load equipment
input socket and plug it into UPS input socket. Re-plug the power input
cable into mains supply socket. Proceed with step 16. For 3000 VA models,
a CEE 19 input cable is supplied. Proceed with the next step.
13. Connect the molded connector of the mains AC input supply cable into the
UPS.
14. Fit the supplied retainer bracket around the input supply cable and secure
the bracket to the rear of the UPS using the two supplied screws.
15. The free end of the input supply cable should be connected to the electrical
supply distribution system in accordance with local rules and conditions.
Note: The UPS On/Alarm Silence/Manual Battery Test button does not
electrically isolate the internal parts. To isolate the UPS, provide an isolator
that is accessible to the operator and located within two meters of the UPS.
The wires in the mains lead are colored with the following code:Green and Yellow = Earth, Blue = Neutral, Brown = Live
As the color of the wires in the mains lead may not correspond with the
colored marking identifying the terminals in the plug, proceed as follows:
The green and yellow wire must be connected to the terminal in the plug that
is marked with the letter “E” or by the earth symbol, or colored green and
yellow. The blue wire must be connected to the terminal that is marked with
the letter “N” or colored black. The brown wire must be connected to the
terminal that is marked with the letter “L” or colored red.
16. Connect the supplied CEE 22 output
cable between the load equipment
input socket and one of the UPS AC
output sockets. Connect all load
equipment to UPS in this way.
17. Turn on the UPS by pressing the On
button; then turn on the connected
load equipment. The UPS is ready
for normal operation.
Retainer
Bracket
Screws
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