Liebert GHT MT+ Manuale utente

Single Phase Online UPS

Liebert GXT MT+

User Manual - 1000-3000 VA

Table of Contents

1. Important Safety Warning………………………………………………

1-1. Transportation

1-2. Preparation

1-3. Installation

1-4. Operation

1-5. Maintenance, service and faults

2. Installation and setup……………………………………………………

2-1. Rear view

2-2. Setup the UPS

3. Operations…………………………………………………………………..

3-1. Button operation

3-2. LCD Panel

3-3. Audible Alarm

3-4. LCD display wordings index

3-5. UPS Setting

3-6. Operating Mode Description

3-7. Faults Reference Code

3-8. Warning indicator

4. Troubleshooting…………………………………………………………...

5. Storage and Maintenance……………………………………………….

6. Specifications………………………………………………………………

Appendix: UPS Installation Guide…………………………………………

1. Important Safety Warning

Please comply with all warnings and operating instructions in this manual strictly. Save this

manual properly and read carefully the following instructions before installing the unit. Do not

operate this unit before reading through all safety information and operating instructions carefully

1-1. Transportation

Please transport the UPS system only in the original package to protect against shock

and impact.

1-2. Preparation

Condensation may occur if the UPS system is moved directly from cold to warm

environment. The UPS system must be absolutely dry before being installed. Please

allow at least two hours for the UPS system to acclimate the environment.

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

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

heater.

Do not block ventilation holes in the UPS housing.

1-3. Installation

Do not connect appliances or devices which would overload the UPS system (e.g. laser

printers) to the UPS output sockets.

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.

The UPS can be operated by any individuals with no previous experience.

Connect the UPS system only to an earthed shockproof outlet which 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 outlet (shockproof outlet).

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

system.

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

the UPS and the connected devices does not exceed 3.5mA.

1-4. Operation

Do not disconnect the mains cable on the UPS system or the building wiring 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 live even if the UPS system is not

connected to the building wiring outlet.

In order to fully disconnect the UPS system, first press the OFF/Enter button to

disconnect the mains.

Prevent no fluids or other foreign objects from inside of the UPS system.

1-5. Maintenance, service 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

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

battery and electrically live and dangerous.

Before carrying out any kind of service and/or maintenance, disconnect the batteries

and verify that no current is present and no hazardous voltage exists in the terminals of

high capability capacitor such as BUS-capacitors.

Only persons are adequately familiar with batteries and with the required precautionary

measures may replace batteries and supervise operations. Unauthorized 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 with the same type and amperage in order to avoid fire

hazards.

Do not dismantle the UPS system.

2. Installation and Setup

NOTE: Before installation, please inspect the unit. Be sure that nothing inside the package is

damaged. Please keep the original package in a safe place for future use.

NOTE: There are two different types of online UPS: standard and long-run models. Please refer

to the following model table.

Model

Type

Model

Type

1000

Standard

1000L

Long-run

2000

2000L

3000

3000L

2-1. Rear View

1000(L) TOWER

2000(L) TOWER

3000(L) TOWER

1000(L) RACK

2000(L) RACK

3000(L) RACK

1. Programmable outlets: connect to non-critical

loads.

2. Output receptacles: connect to mission-

critical loads.

3. AC input

4. Input circuit breaker

5. Network/Fax/Modem surge protection

6. Emergency power off function connector

(EPO)

7. USB communication port

8. RS-232 communication port

9. SNMP intelligent slot

10.External battery connection (only available

for L model)

11.Output terminal

12.Output circuit breaker

2-2. Setup the UPS

Step 1: UPS input connection

Plug the UPS into a two-pole, three-wire, grounded receptacle only. Avoid using extension cords.

For 208/220/230/240VAC models: The power cord is supplied in the UPS package.

For 110/115/120/127VAC models: The power cord is attached to the UPS. The input plug is a

NEMA 5-15P for 1000 and 1000L models, NEMA 5-20P for 2000 and 2000L models.

Note: For Low voltage models: Check if the site wiring fault indicator lights up in LCD panel. It will

be illuminated when the UPS is plugged into an improperly wired utility power outlet (Refer to

Troubleshooting section).

Step 2: UPS output connection

For socket-type outputs, there two kinds of outputs: programmable outlets and general

outlets. Please connect non-critical devices to the programmable outlets and critical devices

to the general outlets. During power failure, you may extend the backup time to critical

devices by setting shorter backup time for non-critical devices.

For terminal-type input or outputs, please follow below steps for the wiring configuration:

a) Remove the small cover of the terminal block

b) Suggest using AWG14 or 2.1mm2power cords. Suggest using WG12-10 or

3.3mm2-5.3mm2power cords for NEMA type.

c) Upon completion of the wiring configuration, please check whether the wires are securely

affixed.

d) Put the small cover back to the rear panel.

Step 3: Communication connection

Communication port:

USB port RS-232 port Intelligent slot

To allow for unattended UPS shutdown/start-up and status monitoring, connect the

communication cable one end to the USB/RS-232 port and the other to the communication port

of your PC. With the monitoring software installed, you can schedule UPS shutdown/start-up and

monitor UPS status through PC.

The UPS is equipped with intelligent slot perfect for either SNMP orAS400 card. When installing

either SNMP or AS400 card in the UPS, it will provide advanced communication and monitoring

options.

PS. USB port and RS-232 port can’t work at the same time.

Step 4: Network connection

Network/Fax/Phone surge port

Connect a single modem/phone/fax line into surge-protected “IN” outlet on the back panel of the

UPS unit. Connect from “OUT” outlet to the equipment with another modem/fax/phone line cable.

Step 5: Disable and enable EPO function

Keep the pin 1 and pin 2 closed for UPS normal operation. To activate EPO function, cut the wire

between pin 1 and pin 2.

Step 6: Turn on the UPS

Press the ON/Mute button on the front panel for two seconds to power on the UPS.

Note: The battery charges fully during the first five hours of normal operation. Do not expect

full battery run capability during this initial charge period.

Step 7: Install software

For optimal computer system protection, install UPS monitoring software to fully configure UPS

shutdown. You may insert provided CD into CD-ROM to install the monitoring software. If not,

please follow steps below to download and install monitoring software from the internet:

1. Go to the website http://www.power-software-download.com

2. Click ViewPower software icon and then choose your required OS to download the software.

3. Follow the on-screen instructions to install the software.

4. When your computer restarts, the monitoring software will appear as an orange plug icon

located in the system tray, near the clock.

Step 8: External battery connection (for long-run models only)

Follow the right chart to make external battery

connection.

It’s in closed status for UPS

normal operation.

3. Operating Instruction

3-1. Button operation

Button View

Button

Function

ON/MUTE Button

Turn on the UPS: Press and hold ON/MUTE button for at least 2

seconds to turn on the UPS.

Mute the alarm: When the UPS is on battery mode, press and hold this

button for at least 5 seconds to disable or enable the alarm system. But

it’s not applied to the situations when warnings or errors occur.

Down key: Press this button to display previous selection in UPS

setting mode.

Switch to UPS self-test mode: Press ON/MUTE buttons simultaneously

for 5 seconds to enter UPS self-testing while in AC mode, ECO mode,

or converter mode.

OFF/ENTER

Button

Turn off the UPS: Press and hold this button at least 2 seconds to turn

off the UPS in battery mode. UPS will be in standby mode under power

normal or transfer to Bypass mode if the Bypass enable setting by

pressing this button.

Confirm selection key: Press this button to confirm selection in UPS

setting mode.

SELECT Button

Switch LCD message: Press this button to change the LCD message

for input voltage, input frequency, battery voltage, output voltage and

output frequency. It will return back to default display when pausing for

10 seconds.

Setting mode: Press and hold this button for 5 seconds to enter UPS

setting mode when UPS is in standby mode or bypass mode.

Up key: Press this button to display next selection in UPS setting mode.

ON/MUTE +

SELECT Button

Switch to bypass mode: When the main power is normal, press

ON/MUTE and SELECT buttons simultaneously for 5 seconds. Then

UPS will enter to bypass mode. This action will be ineffective when the

input voltage is out of acceptable range.

3-2. LCD Display

Display

Function

Backup time setting and information

Indicates the backup time in pie chart.

Indicates the backup time in numbers.

H: hours, M: minute, S: second

Setting operation

Indicates the setting operation.

Fault & warning information

Indicates that the warning situation occurs.

Indicates the warning and fault codes, and the codes are listed in

details in 3-5 section.

Mute operation

Indicates that the UPS alarm is disabled.

UPS information

Indicates the input and output voltage, frequency, battery voltage,

load information, and internal temperature.

Vac: input/output voltage, Vdc: battery voltage, Hz: frequency, %: load level,

°C/°F: temperature,

Load information

Indicates the load level by 0-25%, 26-50%, 51-75%, and 76-100%.

Indicates overload.

Indicates the load or the UPS output is short circuit.

Programmable outlets information

Indicates that programmable management outlets are working.

Mode operation information

Indicates the UPS is in online mode.

Indicates the UPS is in battery mode.

Indicates the UPS is bypass mode.

Indicates the UPS is in ECO mode.

Indicates the UPS is in converter mode.

Indicates the UPS is charging battery.

Battery information

Indicates the Battery capacity by 0-25%, 26-50%, 51-75%, and

76-100%.

Indicates the battery is fault.

Indicates low battery level and low battery voltage.

3-3. Audible Alarm

Battery Mode

Sounding every 4 seconds

Low Battery

Sounding every second

Overload

Sounding twice every second

Fault

Continuously sounding

Bypass Mode

Sounding every 10 seconds

3-4. LCD display wordings index

LCD Area

Abbreviation

Display content

Meaning

ENA

Enable

DIS

Disable

ESC

Escape

B.L

Low battery

O.L

Overload

N.C

Battery is not connected

O.C

Overcharge

S.F

Site fault

C.H

Charger

E.P

EPO

F.A

Fan

B.V

Bypass voltage range

T.P

Temperature

B.F

Battery fault

Indice

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