GE LP11U User manual

Brand: GE

Model: LP11U

Category: Power supply units

Type: User manual

INSTALLATION / USER MANUAL

Digital Energy™ LP 11U

Uninterruptible Power Supply

5-6-8-10 kVA

GE Digital Energy

General Electric Company Telephone +41 (0)91 / 850 51 51

CH - 6595 Riazzino (Locarno) Fax +41 (0)91 / 850 51 44

Switzerland Website www.gedigitalenergy.com

Technology for the Digital World. ver 3.0 - USLP 11U UP

GE Industrial Systems

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OPERATING MANUAL Digital Energy LP 5/6/8/10-11U UPS

LX-DOC File: OPM_LPU_11U_5K0_10K_1US_V030

Manual version 3.0 Software version R2.11

INSTALLATION / USER MANUAL

Digital Energy™ LP 11U

Uninterruptible Power Supply

5-6-8-10 kVA

Preface

We thank you for selecting a General Electric Digital Energy™ LP Series Uninterruptible Power Supply

(UPS) and recommend that you read these instructions carefully before installation and start-up of the UPS.

Please keep this manual in a safe place for future reference and carefully read the important safety instructions

in chapter 1 before installation of this device.

The information contained in this publication is intended solely for the purposes indicated.

The present publication and any other documentation supplied with the UPS system is not to be reproduced, either in part or in its entirety,

without the prior written consent of GE.

The illustrations and plans describing the equipment are intended as general reference only and are not necessarily complete in every

detail. The content of this publication may be subject to modification without prior notice, no liability can be accepted for any error or

omission.

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CONTENTS

1 IMPORTANT SAFETY INSTRUCTIONS..................................... 4

1.1 Save these instructions

1.2 General

1.3 Installation

1.4 Storage

1.5 Batteries

2 INTRODUCTION ......................................................................... 6

2.1 Description

2.2 Warranty

3 FUNCTIONAL EXPLANATION.................................................... 7

3.1 Principles of Operation

3.2 Normal Conditions

3.3 Utility Failure

3.4 Automatic Bypass Switch

3.5 Manual Bypass Switch

4 INSTALLATION............................................................................ 9

4.1 Transport

4.2 Unpacking

4.3 Package Contents

4.4 Location

4.5 Installation

4.5.1 Installation Procedures

4.5.1.1 Standard installation procedure: Vin 208-240Vac, Vout 120/208/220/230/240Vac

4.5.1.2 Installation procedure: Vin 120Vac (optional 5/6kVA), Vout 120/208/220/230/240Vac

4.5.2 Available input voltages: hardware modifications

4.5.2.1 Input voltage 208 or 240Vac

4.5.2.2 Input voltage 120Vac (optional, 5/6kVA only)

4.5.3 Available output voltages: hardware modifications

4.5.3.1 Output voltage 208Vac

4.5.3.2 Output volatge 120Vac split-phase

4.5.3.3 Output voltage 220/230/240Vac

4.5.3.4 Output voltage 120Vac single phase

4.5.4 Input / output voltages: Software modification

4.5.5 Installation of DE LP battery extension pack(s)

4.5.6 LP-11U series: 2 / 3 / 4 parallel operating units - additional info

4.5.6.1 Notes concerning installation of a parallel system

4.5.6.2 Notes concerning starting up the parallel system

4.5.6.3 Notes concerning use / maintenance of a parallel system

5 OPERATION .............................................................................. 22

5.1 Description of Front and Rear Panel

5.2 Start-up

5.3 Use

5.3.1 Information menu

5.3.2 Status and alarm menu

5.3.3 Service menu

5.3.4 Set-up menu

5.4 Test Screens

5.4.1 Battery test, general

5.4.2 Quick battery test

5.4.3 Deep battery test

5.5 Other Features

5.5.1 Shutdown

5.5.2 Utility start

5.5.3 Sleep and wake-up

5.5.4 Overload protection in bypass mode

5.5.5 ECO-Mode

5 5.6 Auto restart

5.5.7 Superior battery management

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6 INTERFACING FEATURES ...................................................... 35

6.1 RS232/Contact Interface

6.2 Emergency Shutdown

6.3 Relay Card (optional)

6.4 SNMP Interface (optional)

7 OPTIONAL FEATURES............................................................. 36

7.1 Extended Runtime

7.2 Plug-in Cards

7.3 RPA-Facility (Redundant Parallel Architecture)

7.4 PDM: Power Distribution Module

7.5 Seismic Anchors

8 MAINTENANCE ......................................................................... 38

8.1 General

8.2 Cooling fan

8.3 Batteries

8.4 Safety

8.5 Storage

8.6 Recycling the UPS at the end of service life

9 TROUBLESHOOTING ............................................................... 39

10 SPECIFICATIONS ..................................................................... 40

APPENDIX: INSTALLATION DRAWINGS

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1.1 Save these instructions

This manual contains important instructions that should be followed during installation and

maintenance of the UPS and batteries. It also gives all necessary information about the correct use of

the UPS.

Full understanding and compliance of the safety instructions and warnings contained in this manual are

the ONLY CONDITION to avoid any dangerous situation during installation, operation and

maintenance work, and to preserve the maximum reliability of the UPS system.

GE refuses any responsibility in case of non-observance, unauthorized alterations or improper use of

the delivered UPS.

Before attempting to install and start up the UPS, carefully read this manual. Keep this manual next to

the UPS for future references. All servicing must be done by qualified personnel. Do not attempt to

service the UPS unless you have had proper training.

CAUTION: By opening or removing covers you run the risk of exposure to dangerous voltages!

While every care has been taken to ensure the completeness and accuracy of this manual, GE

accepts no responsibility or liability for any loss or damage resulting from the use of the information

contained in this document.

This document shall not be copied nor reproduced without the permission of GE.

Due to technical improvements, some of the information contained in this manual may be changed

without notice.

1.2 General

• CAUTION: RISK OF ELECTRIC SHOCK Do not remove the cover, there are no user serviceable

parts inside. All maintenance and service work should be performed by qualified service personnel.

• The UPS contains batteries. The output terminals may be electrically live, even when the UPS is

disconnected from the utility supply. Dangerous voltages may be present during battery operation. The

batteries must be disconnected during maintenance or service work.

• The UPS contains potentially hazardous voltages.

1.3 Installation

• Move the UPS in an upright position and in its original package to the final destination room.

• To lift the UPS, use a forklift or lifting belts with spreader bars.

• Check for sufficient floor and elevator loading capacity.

• Check carefully the integrity of the UPS equipment. In case you note some visible damage, do not

connect any voltage to the UPS but contact the nearest Service Centre.

• This UPS is intended to be used in a controlled indoor environment and free of conductive

contaminants and protected against animal intrusion.

• The UPS should only be powered from a single phase, three wire AC source equipped with an earth

connection.

• In this manual "Earth" is represented with two different symbols:

= Field wiring equipment grounding terminal,

= Grounding terminals.

• Do not install the UPS in an excessively humid environment or near water.

• Avoid spilling liquids or dropping any foreign object into the UPS.

• The unit must be placed in a sufficiently ventilated area; the ambient temperature should not exceed

40°C (104°F). Optimal battery lifetime is obtained if the ambient temperature does not exceed 30°C

(86°F).

1 - Important Safety Instructions

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• It is important that the unit has adequate ventilation. Maintain air movement around and through the

unit. Do not block the air vents.

• Avoid placing the unit in direct sunlight or near heat sources.

• Do not plug household appliances such as electric heaters, toasters or vacuum cleaners into the UPS.

The UPS output is intended to be used only for electronic loads such as computers and

telecommunications equipment.

• Use insulated copper input and output wiring, rated 90°C (194°F) wire size based on the ampacities

given in Tables 310-16 of the Nation Electrical code, ANSI/NFPA 70-1993. Specified in table 2 and

table 3.

1.4 Storage

• Store the UPS with its batteries fully charged in a dry location, storage temperature must be within -20

and +45°C (-4°F and 113°F)

• If the unit is stored for an extended period of time, the batteries must be recharged periodically.

Connect the unit to the mains and switch it on:

- if the storage temperature is within -20 and +30°C (-4°F and 86°F), recharge the batteries every 6

months, for 24 hours,

- if the storage temperature is within -20 and +45°C (-4°F and 113°F), recharge the batteries every 4

months, for 24 hours.

1.5 Batteries

• NOTE: Servicing of batteries should be performed or supervised by personnel knowledgeable of

batteries and the required precautions. Keep unauthorized personnel away from batteries.

• When replacing the batteries, use only the same type and size battery.

Preferably for LP 5/6-11U: Kobe HV7-12 or Panasonic LC-R127R2P

LP 8/10-11U: Kobe HV12-12 or Panasonic LC-RA1212P

• 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.

- Wear rubber gloves and boots.

- Do not lay tools or metal parts on top of batteries.

- Disconnect charging source prior to connecting or disconnect battery terminals.

- Determine if the battery is inadvertently grounded. If inadvertently grounded, remove source of

ground. Contact with any part of a grounded battery can result in electrical shock. The likelihood of

such shock will be reduced if such grounds are removed during installation and maintenance.

• Avoid charging in a sealed container.

• CAUTION: Never dispose of batteries in a fire: they may explode.

• CAUTION: Do not open or mutilate batteries: their contents may be extremely toxic. If exposed to

electrolyte, wash immediately with plenty of water.

• Proper disposal or recycling of the batteries is required. Refer to your local codes for disposal

requirements.

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2.1 Description

More than ever before, today's advanced electronic equipment, with complex integrated circuits and other

sensitive electronics, needs a stable and continuous AC power supply to operate correctly. While the power

coming from the wall outlet is often unreliable, a GE Digital Energy™ LP-U UPS provides the security of

completely uninterrupted power.

A compact, truly on-line system, the LP-U UPS protects your equipment from all forms of power interference,

including complete power failure. A simple and elegant circuit design, together with extensive protection against

abnormal operating conditions (e.g. overload, short circuit, overheating), makes the UPS exceptionally reliable.

The UPS offers complete galvanic isolation of input and output, also when operating in bypass mode. As a

result, input and output voltages do not necessarily have to be equal, making the UPS suitable for almost every

situation.

All units are standard equipped with a backfeed protection relay.

Figure 1: The GE Digital Energy™ LP 11U UPS

2.2 Warranty

GE Digital Energy, operating through its authorized agents, warrants that the standard products will be free of

defects in materials and workmanship for a period of 24 months (12 months for the battery) after the date of

invoice, or such other period as may be specified.

NOTE: This warranty does not cover failures of the product which result from incorrect installation,

misuse, alterations by persons other than authorized agents, or abnormal operating conditions.

2 - Introduction

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3.1 The Principles of Operation

The UPS stores electric energy in batteries. This allows the UPS to supply output power even when the

incoming utility power is cut off completely.

Energy is stored as Direct Current (DC), while input and output energy must be Alternating Current (AC).

Therefore the UPS contains an input converter (AC to DC) and an output converter (DC to AC). (fig.2)

3.2 Normal Conditions

Under normal conditions, energy from the utility is channeled through the input converter, which supplies the

output converter and the battery charger. The batteries are kept in a fully charged state, and the output

converter synthesizes a completely new AC output sine wave to supply the load (electrical equipment).

3.3 Utility Failure

In the event of a utility power failure (i.e. absent or outside tolerance) the system uses the energy reserve

stored in the battery to continue to produce AC power, ensuring unbroken output (fig. 3). No interruption or

alteration will ever be noticed in the output power.

In the event of an extended utility failure, the output converter will stop when the battery has been discharged.

At this point, the UPS is no longer able to power the connected equipment.

When the utility is re-established within tolerance, the output converter will be supplied again by the input

converter and the batteries will be recharged, making them ready to support future power failures.

Figure 2. Block diagram of the LP 11U UPS, utility present

Figure 3. Block diagram of the LP 11U UPS, utility failure

3 - Functional Explanation

INPUT:

MAINS POWER WITH DISTURBANCES

BYPASS

FILTER

P.F. = 1

CONVERTER/

RECTIFIER/

BATTERY

CHARGER

BACKFEED

PROT.

OPTIONAL

BATTERY

EXTENSION

BATTERY

MICROPROCESSOR CONTROL

SYSTEM

ON/OFF

OUTPUT

CONVERTER

MANUAL BYPASS

SWITCH

UTILITY INPUT

OUTPUT:

PERFECT UPS POWER

RFI

FILTER

OPTION

SLOTS FOR:

RPA CARD

SNMP CARD

RELAY CARD

STANDARD

INSTALLED:

RS232/

CONTACT

INTERFACE

FRONT

PANEL

TO LOAD

RFI

FILTER

STATIC

BYPASS

OUTPUT

TRANSFORMER

NO INPUT:

UTILITY FAILURE

BYPASS

FILTER

P.F. = 1

CONVERTER/

RECTIFIER/

BATTERY

CHARGER

OPTIONAL

BATTERY

EXTENSION

BATTERY

MICROPROCESSOR CONTROL

SYSTEM

ON/OFF

OUTPUT

CONVERTER

MANUAL BYPASS

SWITCH

OUTPUT:

PERFECT UPS POWER

RFI

FILTER

OPTION

SLOTS FOR:

RPA CARD

SNMP CARD

RELAY CARD

STANDARD

INSTALLED:

RS232/

CONTACT

INTERFACE

FRONT

PANEL

TO LOAD

RFI

FILTER

STATIC

BYPASS

OUTPUT

TRANSFORMER

BACKFEED

PROT.

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3.4 Automatic Bypass Switch

If the output converter is unable to deliver the demanded output power because of overload or

overtemperature, the automatic bypass switch will automatically transfer the load to the utility. When the

situation is corrected the UPS will switch back to normal operation, i.e. the load is tranferred back to the output

converter. Though the automatic bypass switch is shown as a simple mechanical switch in figures 2-5, the

transfers are done by means of thyristors, i.e. electronically, without any interruption of the power supplied to

the load.

In case of a severe overload or short-circuit the magnetic bypass circuit breaker (rear panel) may trip in order to

protect the UPS. If the current is insufficiently high to trip the breaker, the UPS will be switched off by the

software in order to protect the UPS and connected equipment.’

If a power failure occurs during bypass operation, load power may be lost. If the UPS functions under overload

conditions it may not be able to protect the load.

3.5 Manual Bypass Switch (Service switch)

The system can be bypassed manually using the manual bypass switch located at the rear panel. It is a two-

position switch: the normal position is '1': as in figures 2-4. Position '2' is the service position: the load is directly

connected to the utility input. This way maintenance of the UPS (e.g. battery replacement, as in fig. 5) is

possible without interruption of the power supplied to the load.

CAUTION: REFER SERVICE TO QUALIFIED PERSONNEL ONLY.

THE RFI FILTERS AND OUTPUT TRANSFORMER ARE ALWAYS ACTIVE.

Figure 4 . Bypass operation: Automatic bypass

Figure 5 . Bypass operation: Manual bypass

BYPASS

FILTER

P.F. = 1

CONVERTER/

RECTIFIER/

BATTERY

CHARGER

BACKFEED

PROT.

OPTIONAL

BATTERY

EXTENSION

BATTERY

MICROPROCESSOR CONTROL

SYSTEM

ON/OFF

OUTPUT

CONVERTER

MANUAL BYPASS

SWITCH

UTILITY INPUT

RFI

FILTER

OPTION

SLOTS FOR:

RPA CARD

SNMP CARD

RELAY CARD

STANDARD

INSTALLED:

RS232/

CONTACT

INTERFACE

FRONT

PANEL

TO LOAD

RFI

FILTER

STATIC

BYPASS

OUTPUT

TRANSFORMER

BYPASS

FILTER

P.F. = 1

CONVERTER/

RECTIFIER/

BATTERY

CHARGER

BACKFEED

PROT.

OPTIONAL

BATTERY

EXTENSION

MICROPROCESSOR CONTROL

SYSTEM

ON/OFF

OUTPUT

CONVERTER

MANUAL BYPASS

SWITCH

UTILITY INPUT

RFI

FILTER

OPTION

SLOTS FOR:

RPA CARD

SNMP CARD

RELAY CARD

STANDARD

INSTALLED:

RS232/

CONTACT

INTERFACE

FRONT

PANEL

TO LOAD

RFI

FILTER

STATIC

BYPASS

OUTPUT

TRANSFORMER

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4.1 Transport

NOTE: Transport the UPS only in upright position. Check for sufficient floor and elevation loading

capacity. Move the UPS in its original package to the final destination room. Do not stack other

package on top.

4.2 Unpacking

Cut the two wrapping bands, and remove the shipping box. Loosen the four bolts with which the UPS is fixed to

the pallet. Remove the UPS from the pallet.

BE CAREFUL! Pay attention to the HEAVY WEIGHT of the UPS when downloading the UPS

from the pallet! Never try to lift the unit by yourself!

The UPS is equipped with castors, which allow easy displacement of the unit. Please take appropriate

measures to avoid damage on vulnerable floors.

4.3 Package Contents

The shipping box contains a LP-U UPS, a CD-ROM, an RS232 cable, a link (5/6kVA models only, see 4.5.3) a

safety guide and this manual. If the UPS is equipped with an RPA plug-in card (Redundant Parallel

Architecture, right option slot at the rear of the unit) the shipping box also contains a yellow network cable and

one bus terminator. Inspect the UPS for damage after unpacking. If any damage is present please notify the

carrier and place of purchase immediately.

4.4 Location

Please refer to section 1.3 of ‘IMPORTANT SAFETY INSTRUCTIONS’.

4.5 Installation

IMPORTANT

Before making any connection and switching on the LP UPS, please check the following conditions:

• The voltage and frequency of your utility supply is 120/208/230/240 Vac and 50 or 60 Hz; from the

factory the input and output of the UPS are set to 208 Vac / 60 Hz.

• Be sure that the UPS is wired for the present utility voltage. This is indicated on the packaging of the

UPS, as well as at the I/O terminals.

• Overcurrent protection for the AC circuit is to be provided by others.

• CAUTION: To reduce risk of fire, connect only to a circuit input/output provided with

branch circuit overcurrent protection in accordance with the National

Electrical Code, ANSI / NFPA 70, as indicated below:

UPS model

Input overcurrent protection

(Amps)

Output overcurrent protection

(Max. Amps)

Operating input voltage

120V 208V 240V 120V

(1 X)

120V

(2X)

208V 240V

LP 5-11U 35 30 40 20 25 20

LP 5-11U /120V 60 40 20 25 20

LP 6-11U 40 35 50 25 30 25

LP 6-11U /120V 70 50 25 30 25

LP 8-11U 60 45 70 35 40 35

LP 10-11U 70 60 80 40 50 40

Table 1. external input fuse value

4 - Installation

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• Ensure that the total power requirement of the equipment to be protected does not exceed the rated

output power of the UPS. (output power for your unit is indicated on the rating label on the rear panel).

• When using the 120V split phase outputs make sure that the load per 120V output does not exceed half

the rating.

• The UPS may only be installed by trained personnel. The UPS must be grounded when in use: Connect

the UPS to a single phase, three wire AC source equipped with an earth connection.

• Use insulated copper input and output wiring, rated 90°C derated to 40°C, wire size based on the

ampacities given in Tables 310-16 of the National Electrical code, ANSI/NFPA 70-1993.

This wiring shall have the following minimum sizes:

INPUT WIRING:

Utility voltage

UPS model 120V 208V 240V

LP 5-11U 6 AWG 10 AWG 10 AWG

LP 6-11U 4 AWG 8 AWG 10 AWG

LP 8-11U N/A 6 AWG 8 AWG

LP 10-11U N/A 4 AWG 6 AWG

Table 2. Input wiring

OUTPUT WIRING:

Output voltage

UPS model 120V 208V 240V

LP 5-11U 8 AWG 10 AWG 10 AWG

LP 6-11U 8 AWG 10 AWG 10 AWG

LP 8-11U 6 AWG 8 AWG 8 AWG

LP 10-11U 4 AWG 8 AWG 8 AWG

Table 3. Output wiring

TIGHTENING TORQUE FORCE:

UPS model Tightening torque force

LP 5/6-11U/120V 22 Lbs/inch

All other models 18-20 Lbs/inch

Table 4. Tightening torque force

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4.5.1 Installation Procedures

4.5.1.1 Standard installation procedure:

input voltage 208-240Vac, output voltage 120/208/220/230/240Vac.

If a battery extension pack is to be installed, please proceed with section 4.5.5.

If 2, 3 or 4 parallel operating units will be installed, please proceed with section 4.5.6.

The numbers between (brackets) refer to figure 19 in section 5.1.

1. Mount the levellers: position A to fix the UPS to the

floor, position B to lift the castors from the floor.

2. Loosen the screws and remove the conduit box (17)

and the metal cover plate (11).

3. Make sure that all circuit breakers (7-8-9) are in ‘off’

position (down).

4. Input/output connection:

Lead the input/output cables through the cable inlet. If

the cables come from below (recommended for 8kVA

and 10kVA models), you can rotate the cable inlet 90

degrees. Connect the input/output wires to the I/O

terminals (11a and 11b). Please refer to section 4.5.2

1 (input) and 4.5.3 (output) for detailed information.

5. Re-install the metal cover plate (11) and the conduit

box (17).

6. An emergency shutdown switch can be connected to

connector J3 on the RS232/Contact Interface Card,

between pins 3 and 4. See section 6.2 for more

information.

7. For advanced communication possibilities, the

RS232/contact interface port (12a) can be connected

to a computer system. See section 6.1 for more

information.

8. The middle ‘option slot’ (13) allows easy installation of

plug-in cards: SNMP Card or Relay Card. See

sections 6.3 and 6.4 for more information.

9. The right ‘option slot’ (14) allows easy installation of

the RPA-card (Redundant Parallel Architecture). If the

card is already mounted, and if the unit is intended to

be used stand-alone, a bus terminator (delivered with

the unit) has to be placed in one of the two bus

connectors on the card. If the unit will be part of a

parallel system, see sections 4.5.6 and 7.3 for more

information.

10. Connect the utility power to the UPS.

11. If hardware modifications were necessary in step 4

because the I/O voltages are different from the default

(208Vac), software modifications should be

performed as well. Proceed with 4.5.4.

12. For a quick start proceed with section 5.2 ‘Start-up’.

Figure 6. LP 5/68/10

11U

Standard installation procedure

see 6.3-4

see 4.5.6 / 7.3

stand-alone

and RPA card

available

BATTERY

DISCONNECTED

EMERGENCY

SHUTDOWN

OFF

6 7

8 9

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4.5.1.2 Installation procedure:

input voltage 120Vac (optional, 5-6kVA only), output voltage 120/208/220/230/240Vac.

If a battery extension pack is to be installed, please proceed with section 4.5.5.

If 2, 3 or 4 parallel operating units will be installed, please proceed with section 4.5.6.

The numbers between (brackets) refer to figure 19 and 20 in section 5.1.

1. Mount the levellers: position A to fix the UPS to the

floor, position B to lift the castors from the floor.

Please refer to figure 6, step 1.

2. Loosen the screws and remove the conduit boxes

(17, 2x) and the cover plate (11).

3. Make sure that all circuit breakers (7-8-9) are in ‘off’

position (down). Please refer to fig. 6, step 3.

4. Input/output connection:

Lead the input/output cables through the cable inlet. If

the cables come from below (recommended for 8kVA

and 10kVA models), you can rotate the cable inlet 90

degrees. Connect the input wires to the input

terminals (11b). Connect the output wires to the

output terminals (11a). Please refer to section 4.5.2.2

(input) and 4.5.3 (output) for detailed information.

5. Re-install the cover plate (11) and the conduit boxes

(17, 2x).

6. An emergency shutdown switch can be connected to

connector J3 on the RS232/Contact Interface Card,

between pins 3 and 4. See section 6.2 for more

information.

7. For advanced communication possibilities, the

RS232/contact interface port (12a) can be connected

to a computer system. See section 6.1 for more

information.

8. The middle ‘option slot’ (13) allows easy installation of

plug-in cards: SNMP Card or Relay Card. See

sections 6.3 and 6.4 for more information.

9. The right ‘option slot’ (14) allows easy installation of

the RPA-card (Redundant Parallel Architecture). If the

card is already mounted, and if the unit is intended to

be used stand-alone, a bus terminator (delivered with

the unit) has to be placed in one of the two bus

connectors on the card. If the unit will be part of a

parallel system, see sections 4.5.6 and 7.3 for more

information.

10. Connect the utility power to the UPS.

11. If hardware modifications were necessary in step 4

because the output voltage is different from the

default (208Vac), software modifications should be

performed as well. Proceed with 4.5.4.

12. For a quick start proceed with section 5.2 ‘Start-up’.

Figure 7. LP 5/6

11U

Installation procedure 120V input

see 6.3-4

see 4.5.6 / 7.3

stand-alone

and RPA card

available

BATTERY

DISCONNECTED

EMERGENCY

SHUTDOWN

6 7

8 9

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4.5.2 Available input voltages: hardware modifications

The following input voltages are possible: 208, 240 Vac (see 4.5.2.1) and 120 Vac (see 4.5.2.2)

4.5.2.1 Input voltage 208 or 240Vac.

1. Input voltage is 208 Vac. This is the factory setting. Proceed with step 3.

2. Input voltage is 240Vac. In this case the bypass tap on the output transformer must be changed. Please

refer to fig. 8 and 8a. Proceed as follows:

2.1 Remove the yellow wire B from faston 74 (connect) and place this wire on faston 72 (park).

2.2 Remove the blue wire A from faston 61 (park) and place this wire on faston 74 (connect).

3. Connect the utility supply wires to terminals 6 (L1), 7 (L2) and 8 (equipment grounding conductor). See

figure 9. Ground connection is essential!

If a neutral wire is part of the site wiring provided, we suggest to isolate this wire for future use or other

applications.

4. For the output voltage proceed with 4.5.3.

Figure 9. LP 5/6/8/10

11U

Output (grey) / input terminals

Figure 8. LP 5/6/8/10-11U:

Bypass tap change

Figure 8a. LP 5/6/8/10-11U:

Rear view

ark

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Bypass tap factory setting: 208 Volt

Bypass tap changed to 240 Volt

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4.5.2.2 Input voltage 120Vac (optional, 5/6kVA only).

LP-U UPS equipped with an (optional) step-up transformer (5/6kVA models only) can be connected to an input

voltage of 120Vac.

1. Connect the utility supply wires to terminals L, N and GND (equipment grounding conductor). See figure

10. Ground connection is essential!

2. For the output voltage proceed with 4.5.3.

4.5.3 Available output voltages: hardware modifications

The off-factory setting is 208 Vac: a link is placed between terminals 2 and 3. An extra link was delivered with the

unit (in a plastic bag) to enable other output voltages (5/6kVA models only).

The following voltages are available: 120, 208, 220, 230, 240 Vac.

4.5.3.1 Output voltage 208Vac

This is the off-factory setting. There is a link between terminal 2 and 3.

1. Connect the output wires to the terminals 1 (L1) and 4 (L2).

2. Connect the ground wire to terminal 5. Ground connection is essential! See figure 11.

3. Return to either 4.5.1.1 step 5 or 4.5.1.2 step 5

Figure 10. LP 5/6

11U

120Vac Input terminals

Figure 11. LP 5/6/8/10

11U

208 Vac output connection

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Output tap changed to 240 Volt

ark

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Output tap factory setting: 208 Volt

4.5.3.2 Output voltage 120Vac split-phase

1. The factory setting of the output tap (208Vac) has to be changed to 240Vac. Please refer to fig. 12 and 12a.

Proceed as follows:

1.1 Remove the yellow wire L from faston 67 (connect) and place this wire on faston 65 (park).

1.2 Remove the brown wire F from faston 66 (park) and place this wire on faston 67 (connect).

2. Connect the load wires between the terminals 1 (L1) and 2 (N) (120V), and between the terminals 3 (N) and

4 (L2) (120V). Connect the ground wire to terminal 5. Ground connection is essential! Do not remove the

link between terminals 2 and 3. See figure 13.

3. Return to either 4.5.1.1 step 5 or 4.5.1.2 step 5

Figure 13. LP 5/6/8/10

11U

120 Vac split-phase output connection

Figure 12a. LP 5/6/8/10-11U:

Rear view

Figure 12. LP 5/6/8/10-11U:

Output tap change

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4.5.3.3 Output voltage 220/230/240Vac

1. The factory setting of the output tap (208Vac) has to be changed to 240Vac. Follow the procedure as

described in section 4.5.3.2 steps 1.1 and 1.2.

2. Connect the load wires between the terminals 1 (L1) and 4 (N). Connect the ground wire to terminal 5.

Ground connection is essential! Do not remove the link between terminals 2 and 3. See figure 14.

3. Return to either 4.5.1.1 step 5 or 4.5.1.2 step 5

4.5.3.4 Output voltage 120Vac single phase

1. The factory setting of the output tap (208Vac) has to be changed to 240Vac. Follow the procedure as

described in section 4.5.3.2 steps 1.1 and 1.2.

2. Remove the link between terminals 2 and 3.

3. Place this link between terminal 1 and 2.

4. Place the extra link (delivered with the unit) between terminals 3 and 4.

5. Connect the load wires between connectors 1 (or 2) and 3 (or 4).

For LP 8/10kVA: If the wire size does not allow to place two wires (i.e. load wire and link) in one

terminal, proceed with step 8.

6. Connect the ground wire to terminal 5. Ground connection is essential!

7. Return to either 4.5.1.1 step 5 or 4.5.1.2 step 5.

Figure 14. LP 5/6/8/10

11U

220/230/240 Vac output connection

Figure 15. LP 5/6/

11U

120 Vac single phase output connection

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For LP 8/10kVA:

8. Remove all links between the terminals.

9. Split both the load wires and spread one wire over

terminal 1-2 and the other over 3-4 respectively.

10. Connect the ground wire to terminal 5. Ground

connection is essential! See figure 15a.

11. Return to either 4.5.1.1 step 5 or 4.5.1.2 step 5

4.5.4 Input/output voltages: Software modification.

NOTE: following this procedure you realize that the values shown in the LCD match the actual

input/output voltages.

1. Switch on the circuit breakers 'utility' (8) and 'bypass' (9) (see also section 5.2, step 1-2)

2. Go to the set-up menu. See 5.3.4 ‘Set-up Menu’

3. Using the push-buttons 'up' and 'down' you can scroll through the several set-up screens. 'Enter/Reset'

confirms the screen choice. Go to the set-up screen 'INPUT VOLTAGE'.

4. Here you can change the input voltage to 240 Volt. The value of the input voltage blinks. Scroll through its

settings by using the push-buttons 'up' and 'down', the new setting is confirmed by pressing 'Enter/Reset'.

5. Go to the set-up screen 'OUTPUT VOLTAGE'.

6. Here you can change the output voltage to 240 Volt. The value of the input voltage blinks. Scroll through

its settings by using the push-buttons 'up' and 'down', the new setting is confirmed by pressing

'Enter/Reset'.

7. To return to the default screen scroll to the set-up screens first and press 'Enter/Reset'. You can also wait

20 seconds: the time-out period of no key activity.

8. You can now proceed with 5.1 or 5.2.

SETUP SCREENS

ENTER/RESET exit

INPUT VOLTAGE

208V

INPUT VOLTAGE

CHANGE TO

240

OUTPUT VOLTAGE

208V

INPUT VOLTAGE

CHANGE TO

240

Figure 15a. Output cable splitting for

8/10kVA 120V 2-wire

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4.5.5 Installation of GE Digital Energy™ LP-U battery extension pack(s)

The numbers between (brackets) refer to figures 19-21 in section 5.1.

Battery extension pack(s) are shipped with all materials necessary to connect them to the UPS. The pack(s)

can be connected to the DC connector (15) at the rear panel of the UPS. Be sure to switch off the UPS before

proceeding: be sure that the UPS can be switched off without causing damage to the load, and turn all circuit

breakers (7-8-9) into ‘off’ position (down).

1. Open the DC fuse holders at the rear of the battery

pack (16) and make sure that the fuses have been

removed.

1a. Open the DC fuse holders at the rear of the UPS (16)

and make sure that the fuses have been removed.

2. UPS rear panel: loosen the screws, and remove the

cover plate (11) and conduit box (17).

CAUTION! The battery voltage is 240Vdc

and is NOT isolated from the utility.

3. Break out the indicated part of the conduit box, fix the

gland of the DC cable in this opening.

4. Connect the DC connector of the battery pack (15a)

to the DC socket of the UPS (15). Be sure that the

colours match. You will hear a click when the cable is

properly installed.

5. Re-install the cover plate and conduit box.

6. In case of 14Ah battery packs: using the DC

connector of the battery pack (15) you can install a

second, third, etc. pack. 7Ah battery packs cannot be

connected in parallel.

NOTE: A maximum of two Digital Energy™ 14Ah

battery cabinets can be connected without additional

fusing. Every two additional Digital Energy™ 14Ah

battery cabinets must be connected over a 60Amp

fuse, rated for 300Vdc.

NOTE: Third party battery cabinets must be

connected over a 60Amp fuse, rated for 300Vdc,

using the Digital Energy™ external battery cable

(order separately).

7. Insert the 2 (7Ah) or 4 (14Ah) DC fuses of the (each)

battery pack, insert the DC fuses of the UPS and

close the fuse holder(s) of battery pack and UPS (16).

8. In order to calculate the available back-up time

related to the actual load, information on the capacity

of the battery set is stored in the UPS. As the total

battery capacity changes when battery extension

packs are installed, the battery capacity must be re-

programmed. See 5.3.4.

In case of a custom-built battery extension set you may

want to install a ‘battery disconnected’ alarm device.

9. Be sure that the UPS is switched off, and

disassemble the RS232/Contact Interface Card (12)

from the unit. If the card is disassembled during

normal operation the UPS will shut down!

Remove the wire from connector J3 (pin 1 and 2).

Install the wiring of a normally closed contact (e.g. an

auxiliary contact of a circuit breaker) to pin 1 and 2.

Re-install the interface card. If the contact is opened,

the UPS will generate an ‘EXTERNAL BATTERY

FUSE FAILURE’. See 5.3.2 for more information.

Proceed with 4.5.1 or 5.2.

Figure 16. LP 5/6/8/10-11U:

sta

batte

pac

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GE LP11U User manual

Brand: GE

Model: LP11U

Category: Power supply units

Type: User manual

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GE LP11U User manual

GE LP11U User manual

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