Emerson Liebert GXT-MT Manuale utente

Liebert GXT-MT

1 - 3 kVA True On Line Double Conversion UPS

User Manual

Power Protection for

Business-Critical Continuity

Liebert GXTMT Series Installation and User Manual

1-3 kVA UPS

Page １V2.11 Emerson Network Power

Liebert GXT-MT Series 1-3 kVA UPS

User Manual

Version: V2.11

Revision date: September 29, 2005

Emerson Network Power provides customers with technical support. Users may contact the nearest

Emerson local sales office or service center.

While every precaution has been taken to ensure accuracy and completeness in this manual,

Emerson Network Power assumes no responsibility and disclaims all liability for damages resulting

from use of this information or for any errors or omissions.

Emerson Network Power pursues a policy of continuous product development and reserves the

right to change the equipment design without notice.

Liebert GXTMT Series Installation and User Manual

1-3 kVA UPS

Page 2 V2.11 Emerson Network Power

Table of Contents

Contents

SafetyInstructions

1. Description of commonly used notations 5

2. Product Introduction 6

3. System Description 7

4. Installation 8-9

5. Connection and operation 10-13

6. Operating modes 14-15

7. Communication port 16

8. Software 17

9. Maintenance 18-19

10. Troubleshooting 20

11. Technical data 21-22

Appendix: Back Panel 23-24

Liebert GXTMT Series Installation and User Manual

1-3 kVA UPS

Page 3 V2.11 Emerson Network Power

Safety Instructions

As dangerous voltages are present within the UPS, only an Emerson technician or an Emerson-authorized

technician is permitted to open it. Failure to observe this could result in electric shock risk and invalidation

of any implied warranty

Transport

•Please transport the UPS system only in the original packaging (to protect against shock and

impact).

Set-up

•

Condensation may occur if the UPS system is moved directly from a cold to a warm environment.

The UPS system must be absolutely dry before being installed. Please allow an acclimatization

time of at least two hours.

•

Do not install the UPS system near water or in damp environments.

•

Do not install the UPS system where it would be exposed to direct sunlight or near heat source.

•

Do not block off ventilation openings in the UPS system’s housing.

Installation

This manual contains information concerning the installation and operation of the Emerson Network Power

Liebert GXT-MT Uninterruptible Power System (UPS)

All relevant parts of the manual should be read prior to commencing the installation.

•Do not connect appliances or equipment (e.g. laser printer) to the output socket, which would

overload the UPS system.

•Place cables in such a way that no one can step on or trip over them.

•Do not connect domestic appliances such as hair dryers to UPS output sockets.

•Connect the UPS system only to an earthed shockproof socket outlet.

•The building wiring socket outlet (shockproof socket outlet) must be easily accessible and close

to the UPS system.

•Please use only VDE-tested, CE-marked mains cable (e.g. the mains cable of your computer) to

connect the UPS system to the building wiring socket outlet (shockproof socket outlet).

•Please use only VDE-tested, CE-marked power cables to connect the loads to the UPS system.

•The UPS must be commissioned and serviced by an authorized representative of Emerson

Network Power. Failure to do so could result in personnel safety risk, equipment malfunction and

invalidation of warranty.

•The Liebert GXT-MT has been designed for Commercial/Industrial use only, and is not

recommended for use in life support applications.

•When installing the equipment, it should ensure that the sum of the leakage current of the

UPS and the connected consumer does not exceed 3.5mA.

Liebert GXTMT Series Installation and User Manual

1-3 kVA UPS

Page 4 V2.11 Emerson Network Power

Safety Instructions

Operation

•Do not disconnect the mains cable on the UPS system or the building wiring socket outlet

(shockproof socket outlet) during operations since this would cancel the protective earthing of the

UPS system and of all connected loads.

•The UPS system features its own, internal current source (batteries). The UPS output sockets or

output terminals block may be electrically lived even if the UPS system is not connected to the

building wiring socket outlet.

•In order to fully disconnect the UPS system, first press the Standby switch then disconnect the

mains lead.

•Ensure that no fluids or other foreign objects can enter the UPS system.

•The UPS operates with hazardous voltages. Only qualified maintenance personnel may carry out

repairs.

Maintenance, servicing and faults

•The UPS system operates with hazardous voltages. Repairs may be carried out only by qualified

maintenance personnel.

•Caution - risk of electric shock. Even after the unit is disconnected from the mains power supply

(building wiring socket outlet), components inside the UPS system are still connected to the

battery and are still electrically live and dangerous.

•Before carrying out any kind of servicing and/or maintenance, disconnect the batteries and verify

that no current is present and no hazardous voltage exist in the terminals of high capability

capacitor such as BUS-capacitors.

•Only persons who are familiar with batteries and with the required precautionary measures may

replace batteries and supervise operations. Unauthorised persons must be kept well away from

the batteries.

•Caution - risk of electric shock. The battery circuit is not isolated from the input voltage.

Hazardous voltages may occur between the battery terminals and the ground. Before touching,

please verify that no voltage is present!

•Batteries may cause electric shock and have a high short-circuit current. Please take the

precautionary measures specified below and any other measures necessary when working with

batteries:

－remove wristwatches, rings and other metal objects

－use only tools with insulated grips and handles.

•When changing batteries, install the same number and same type of batteries.

•Do not attempt to dispose of batteries by burning them. This could cause battery explosion.

•Do not open or destroy batteries. Escaping electrolyte can cause injury to the skin and eyes. It

may be toxic.

•Please replace the fuse only by a fuse of the same type and of the same amperage in order to

avoid fire hazards.

•Do not dismantle the UPS system

Liebert GXTMT Series Installation and User Manual

1-3 kVA UPS

Page 5 V2.11 Emerson Network Power

Commonly Used Notations

1. Description of commonly used notations

Some or all of the following Notations may be used in this manual and may appear in your

application process. Therefore, all users should be familiar with them and understand their

explanations.

Liebert GXTMT Series Installation and User Manual

1-3 kVA UPS

Page ６V2.11 Emerson Network Power

2 . Product Introduction

The Liebert GXT-MT On-Line-Series is an uninterruptible power supply incorporating

double-conversion technology. It provides perfect protection specifically for Novell, Windows NT and

UNIX servers.

The double-conversion principle checks all mains power disturbances. A rectifier converts the

alternating current from the socket outlet to direct current. This direct current charges the batteries and

powers the inverter. On the basis of this DC voltage, the inverter generates a sinusoidal AC voltage,

which permanently supplies the loads.

Computers and peripherals are thus powered entirely by the inverter on the mains mode and in the

event of power failure, the maintenance-free batteries power the inverter.

This manual covers the UPS listed as follows. Please confirm whether it is the model you intend to

purchase by performing a visual inspection of the Model No. on the rear panel of the UPS.

Model Number Runtime

GXT1000-MT Standard

GXT1000L-MT Long Run

GXT2000-MT Standard

GXT2000L-MT Long Run

GXT3000-MT Standard

GXT3000L-MT Long Run

Product Introduction

Liebert GXTMT Series Installation and User Manual

1-3 kVA UPS

Page ７V2.11 Emerson Network Power

System Description

3. System Description

Figure 1: Display Panel

Switch Function

ON - Switch

Turn on UPS system:

By pressing the ON-Switch “I” the UPS system is turned on.

Deactivate acoustic alarm:

By pressing this switch an acoustic alarm can be deactivated.

OFF-Switch

When mains power is normal, the UPS system switches to Standby mode by pressing

OFF-Switch “ “. It is then switched to Bypass and the inverter is off. At this moment,

the output sockets are supplied with voltage via the bypass if the mains power is

available.

Display Function

LINE LED

The green LINE LED lights up if mains voltage is applied to the UPS input.

LINE LED blinks when the phase and neutral conductor have been reversed at the

input of the UPS system.

If LINE LED and BATTERY-LED light up, the mains power supply is out of tolerance.

BATTERY LED The orange-coloured BATTERY-LED lights up when the mains power has failed and

the inverter is being powered by the batteries.

BYPASS LED The orange-coloured BYPASS LED lights up when the UPS system is supplying

voltage provided by the mains power via the bypass.

INVERTER LED The green-coloured INVERTER LED lights up if the UPS system is supplying voltage

provided by the mains power via the inverter.

FAULT LED The red FAULT LED lights up and an acoustic warning signal is issued continuously

when the UPS system is in fault condition. Press the Standby switch in order to turn off

the warning tone.

Display Function

LOAD & BATTERY

CAPACITY LEDs

These LEDs show the load of the UPS system if the mains power is available (normal

operation):

2nd LED 96%-105 % 3rd LED 76%-95 %

4th LED 56%-75 % 5th LED 36%-55 %

6th LED. 0-35 %

In the battery operation, the LEDs indicate the capacity of the batteries:

2nd LED 0-25 % 3rd LED 26%-50 %

4th LED 51%-75 % 5th LED 76%-95 %

6th LED 96%-100 %

Liebert GXTMT Series Installation and User Manual

1-3 kVA UPS

Page ８V2.11 Emerson Network Power

4. Installation

Unpacking and Inspection

1) Unpack the packaging and check the package contents. The shipping package contains:

zA UPS

zA user manual

zA communication cable

zA battery cable (for Long Runtime models only)

zA CD containing UPS Monitoring Software (WinPower)

2) Inspect the appearance of the UPS to see if there is any damage during transportation.

Do not turn on the unit and notify the carrier and dealer immediately if there is any

damage or lacking of some parts.

Input and output power cords and protective earth ground installation

1. Notes for installation

1) The UPS must be installed in a location with good ventilation, far away from water,

inflammable gas and corrosive agents.

2) Ensure the air vents on the front and rear of the UPS are not blocked. Allow at least

0.25m of space on each side.

3) Condensation to water drops may occur if the UPS is unpacked in a very low

temperature environment. In this case it is necessary to wait until the UPS is fully dried

inside out before proceeding installation and use. Otherwise there are hazards of electric

shock.

2. Installation

Installation and wiring must be performed in accordance with the local electric code and

the following instructions by professional personnel.

For safety, please cut off the mains power switch before installation. The battery

breaker also needs to be cut off if it is a long backup time model (“GXT-L” model).

1) Open the terminal block cover located on the rear panel of the UPS; please refer to

the appearance diagram.

2) For 1KVA UPS, it is recommended to select the 1.5mm2wire.

3) For 2/3KVA, it is recommended to select the 2.5mm2wire.

Installation

Liebert GXTMT Series Installation and User Manual

1-3 kVA UPS

Page ９V2.11 Emerson Network Power

Installation

Note: Do not use the wall receptacle as the input power source for the 2/3KVA UPS, as

its rated current is less than the UPS’s maximum input current. Otherwise the receptacle

may be burned and destroyed.

4) Connect the input and output wires to the corresponding input and output terminals

according to the following diagram.

Note: you must make sure that the input and output wires and the input and output

terminals are connected tightly.

5) The protective earth ground wire refers to the wire connection between the

equipment which consumes electric equipment and the ground wire. The wire

diameter of protective earth ground wire should be at least as above mentioned for

each model and green wire or green wire with yellow ribbon wire is used.

6) After having completed the installation, make sure the wiring is correct.

7) Please install the leak current protective breaker at the output power distribution

panel of the UPS if necessary.

8) To connect the load with the UPS, please turn off all the loads first, then perform the

connection and finally turn on the loads one by one.

9) No matter the UPS is connected to the utility power or not, the output of the UPS

may have electricity. The parts inside the unit may still have hazardous voltage after

turning off the UPS. To make the UPS have no output, power off the UPS, and then

disconnect the utility power supply.

10) Suggest charging the batteries for 8 hours before use. After connection, turn the

input breaker in the “ON” position, the UPS will charge the batteries automatically.

You can also use the UPS immediately without charging the batteries first, but the

backup time may be less than the standard value.

11) If it is necessary to connect the inductance load such as a monitor or a laser printer

to the UPS, the start-up power should be used for calculating the capacity of the

UPS, as its start-up power consumption is too big when it is started.

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