gGE Industrial Systems

INSTALLATION / USER MANUAL

Digital Energy??? LP 11U

Uninterruptible Power Supply

5-6-8-10 kVA

GE Digital Energy

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.

?? 2003 by GE Industrial Systems

All rights reserved.

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.

CONTENTS

1.1Save these instructions

1.2General

1.3Installation

1.4Storage

1.5Batteries

3.1Principles of Operation

3.2Normal Conditions

3.3Utility Failure

3.4Automatic Bypass Switch

3.5Manual Bypass Switch

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

5.1 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

6.1RS232/Contact Interface

6.2Emergency Shutdown

6.3Relay Card (optional)

6.4SNMP Interface (optional)

7.1Extended Runtime

7.2Plug-in Cards

7.3RPA-Facility (Redundant Parallel Architecture)

7.4PDM: Power Distribution Module

7.5Seismic Anchors

8.1General

8.2Cooling fan

8.3Batteries

8.4Safety

8.5Storage

8.6Recycling the UPS at the end of service life

1- Important Safety Instructions

1.1Save 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.

1.2General

???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.

1.3Installation

???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).

???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.

1.4Storage

???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.

1.5Batteries

???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.

???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.

2.1Description

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

2.2Warranty

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.

3.1The 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)

3.2Normal 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).

MICROPROCESSOR CONTROL

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

3.3Utility 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.

MICROPROCESSOR CONTROL

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

3.4Automatic 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.???

MICROPROCESSOR CONTROL

Figure 4 . Bypass operation: Automatic bypass

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.

3.5Manual 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 5 . Bypass operation: Manual bypass

4.1Transport

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.

4.2Unpacking

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.

4.3Package 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.

4.4Location

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:

Table 1. external input fuse value

Table 4. Tightening torque force

4.5.1Installation Procedures

4.5.1.1Standard 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.

4.5.1.2Installation 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.

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)

4.5.2.1Input 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:

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

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

Bypass tap factory setting: 208 Volt

(park)

(park)

(connect)

Bypass tap changed to 240 Volt

(park)

(park)

(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.

Figure 9. LP 5/6/8/10-11U:

Output (grey) / input terminals

4.For the output voltage proceed with 4.5.3.

4.5.2.2Input 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!

Figure 10. LP 5/6-11U: 120Vac Input terminals

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.

4.5.3.1Output 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.

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

208 Vac output connection

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

4.5.3.2Output 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:

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

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

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

Output tap change

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

Rear view

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.

Figure 13. LP 5/6/8/10-11U:

120 Vac split-phase output connection

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

4.5.3.3Output 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.

Figure 14. LP 5/6/8/10-11U: 220/230/240 Vac output connection

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

4.5.3.4Output 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 15. LP 5/6/-11U:

120 Vac single phase output connection

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

Figure 15a. Output cable splitting for 8/10kVA 120V 2-wire

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???

SETUP SCREENS

ENTER/RESET exit

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'.

INPUT VOLTAGE 208V

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'.

INPUT VOLTAGE

CHANGE TO 240V

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

OUTPUT VOLTAGE 208V

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'.

INPUT VOLTAGE

CHANGE TO 240V

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.

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).

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

The RPA option (Redundant Parallel Architecture) allows you to create a redundant UPS system in which 2, 3 or 4 LP-U units operate in parallel. The following should be considered when installing units in parallel.

This section gives aditional information on:

-installation (4.5.6.1)

-start-up (4.5.6.2)

-use / maintenance (4.5.6.3)

4.5.6.1Notes concerning installation of a parallel system

1.All inputs of the UPSs must be supplied from the same phase. This is to enable bypass operation of the parallel system. All inputs must be individually protected by fuses in the installation. The values of these fuses should correspond to the values mentioned in section 4.5 table 1.

2.All outputs must be connected together, supplying the load. It is advised to install switches (S 1-4, fig. 17) in the output wiring, in order to be able to isolate a unit from the remaining system for service and maintenance purposes. It is advised to make a Neutral-to-Ground bounding in the output junction.

3.The diameter of input and output cables must be according to the table in the installation drawings (see appendix). Cables with different diameters can cause tripping fuses in the UPS and/or the installation.

4.The length of all input cables from the input junction (Li, fig. 17) to the UPS inputs should be equal. The same applies to the cables from the outputs to the output junction (Lo, fig. 17). The minimum length of the input as well as the output cables is 3 meters / 10 feet.

1-PHASE 3-WIRE INPUT

INPUT JUNCTION

F 1-4

DISTRIBUTION

FUSE VALUES

ACCORDING TO

TABLE 1

S 1-4

SWITCH ALLOWS

ISOLATION OF A UNIT

FROM THE SYSTEM

Figure 17. Installation of parallel operating LP-U UPSs

5.The right option slot (14) at the rear of the unit contains the the RPA-card. Before the parallel system can be put into operation a unique number has to be appointed to each UPS in the system. This can be 0, 1, 2 or 3. Start with 0 for the first unit, 1 for the second, 2 for the third and 3 for the last unit:

-loosen the screws, remove the RPA-card

-set the dipswitch to the appointed number (fig. 18)

-re-install the RPA-card, fasten the screws.

Do NOT install the network cables between the RPA-cards of the units yet!

Figure 18. Appointing a unique number to each UPS in the system

6.In the UPS many parameters can be set. It is advised to keep the same setting for each parameter in each UPS in the parallel system. In any case the following parameters are critical and should have equal settings:

-autorestart (on/off, see 5.3.3)

-output voltage (120/208/220/230/240 Vac, see 5.3.4)

-output frequency (50/60 Hz, see 5.3.4)

It is absolutely required that these parameters are set to the same value. Off factory this is the case. If you???re not sure that the units have equal settings:

-be sure that the RPA-cards of the units have not been interconnected yet

-be sure that utility power is connected to the UPS

-start each unit individually (see 5.2), check / change the parameters, and switch the unit off again.

7.Interconnect the RPA-cards of the units, using the network cable that came with the UPS. See figure 17 (dotted line). Only install the cables that were delivered with the UPSs! Of the first and the last UPS in the system only one RPA-socket is used to interconnect the UPSs. A bus terminator must be placed in the other (free) RPA-socket. The required bus terminators have been delivered with the unit.

4.5.6.2 Notes concerning starting up the parallel system

For starting up the system please refer to section 5.2.

After switching on all units the LP UPSs will show the following display:

AUTORESTART OFF

PRESS ENTER

After pressing the ???Enter/Reset??? button on one of the units the system will start up. All units will display the standard screen. The number in the lower right corner indicates the number of the UPS in the system.

If the parameters mentioned in 4.5.6.1 step 6 are not set to the same value the UPS will display the following screen after start-up:

AUTORESTART OFF

SETTING MISMATCH

In this case check and correct the setting of the parameters as mentioned in 4.5.6.1, step 6.

4.5.6.3 Notes concerning use / maintenance of a parallel system

ECO-mode:

If LP-U units operate in parallel, the ECO-mode feature is not available.

No-load shutdown:

If LP-U units operate in parallel, the no-load shutdown function is not available.

Manual bypass:

If you want to switch one of the UPSs to bypass operation using the manual bypass switch (switch is turned into position 2) then all UPSs in the parallel system have to be switched to bypass operation in order to prevent damage.

Maintenance:

To isolate a unit from the redundant system:

1.Switch off the UPS which has to be isolated,

2.Remove the installation fuse from the input of that UPS (F1-4 in figure 17),

3.Separate the output of the UPS from the output junction (S1-4 in figure 17).

To re-enter the unit into the system:

4.Reinstall the installation input fuse,

5.Connect the output of the UPS to the output junction,

6.Switch on the UPS.

5.1Description of Front and Rear Panel

Figure 19 : Front and rear panel

Rear panel of the step-up transformer:

11b Input terminals L, N and GND

17Conduit box

18Cable inlet

17

Figure 21. Rear panel battery extension pack (optional)

5.2Start-up

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

Note: the UPS can be started on battery power if the utility input voltage is not available or if circuit

breaker ???utility??? is in off-position: simply skip step 1. To prevent accidental discharging of the batteries, it is however recommended to proceed with step 1 and start the unit only when the utility input voltage is available.

1.Turn breaker 'utility' (8) and breaker 'bypass' (9), both on the rear panel, into position ???on??? (up).

2.Some UPS parameters (e.g. voltage, frequency, LCD language) are user selectable. If you want to change one or more settings, please refer to section 5.3.4 ???Set-up Menu??? now. Changing the settings later is possible, however only after switching off the unit.

3.Turn switch 'UPS on/off' (rear panel, 7) into position ???on??? (up). The green LED 'operation' (front panel, 5) will illuminate.

After switching on the UPS performs a self-test and the display (front panel, 1) will show:

SELFTEST

IN PROGRESS

After completion of the self-test the output voltage of the UPS is available and the unit is ready for use. The display will show the default screen: model and actual load (values are examples)

LP 5-11U

LOAD 37%

In case of a system failure the self-test results in a failure message; this message is displayed for 30 seconds before the self-test is repeated automatically. If the faulty situation persists, switch off the UPS and contact your dealer. See chapter 9 for more information.

4.Though the batteries (the internal energy reserve) were fully charged when the UPS left the factory, they might have lost some energy during transport and/or storage. It is recommended to allow the UPS to recharge the batteries for a few hours. This way you ensure that the UPS can provide sufficient runtime in case of a utility power failure.

5.If not yet switched on, the equipment connected to the UPS can be switched on now; operate as usual.

5.3Use

Once the unit is in operation, there is no need to switch the unit on/off during use.

If the manual bypass switch (rear panel, 10) is in position '1', switching off by the on/off switch (rear panel, 7) results in a total absence of the output voltage (also the bypass voltage) of at least 5 secs.

If an emergency shutdown switch has been installed (see 4.5.1.1-2, step 6) the UPS will stop immediately when the switch is opened. Restart is only possible after closing the switch and turning the UPS off and on again with the UPS on/off switch (rear panel, 7).

The UPS is operated via the push-buttons (front panel, 2-3-4) and the LCD display (front panel, 1). Furthermore the UPS can be controlled via the RS232/contact interface port (rear panel, 12a). For more information see 6.1.

The menus on the display can be divided into 5 groups:

1standard screen

2information menu (5.3.1)

3 status- and alarm menu (5.3.2)

4 service menu (5.3.3)

5set-up menu (5.3.4)

The standard menu shows UPS model and actual load.

LP 5-11U

LOAD 37%

5.3.1 Information Menu

When the default screen is displayed the first information screen can be entered by depressing the 'up' key (front panel, 4). Using the 'up' and 'down' keys (front panel, 4 and 2) you can scroll through several information screens. After the last information screen the default screen will appear.

The screens display the following information:

5.3.2 Status and Alarm Menu

The UPS alerts the user with a standard alarm screen that the operating mode has changed and/or that an alarm situation occurs:

Possible operating modes:

The normal operating mode. For more information see section 3.2. Overload or failure situation. For more information see section 3.5. For a detailed description of this mode see section 3.3.

No power is delivered to the load. This can be the result of a command via the RS232 Port, or because no electric energy is available (utility failure, depleted batteries).

Service mode. For more information see section 3.6. ECO-Mode. See section 5.5.5

Depressing the 'up??? key from the standard alarm screen shows, in priority order, which alarms are active,. Scroll through the screens with the 'up' and 'down' keys. Alarm message texts can succeed each other. The following messages are possible:

When the default screen is displayed you can enter the first service screen by depressing the keys 'down' (2) and 'Enter/Reset' (3) simultaneously for approx. 1 second. Using the 'up' (4) and 'down' (2) keys you can scroll through several service screens.

5.3.4 Set-up Menu

To enter the set-up menu:

1.Be sure the UPS is switched off.

2.Press push-button 'Enter/Reset' (front panel) and then turn switch ???UPS on/off??? (rear panel) into position ???on??? (up). Keep Enter/Reset pressed until set-up menu appears.

Using push-buttons 'up' and 'down' you can scroll through the several set-up screens, 'Enter/Reset' confirms a screen choice. After selecting a set-up screen you can scroll through its settings using the push-buttons 'up' and 'down', a setting is confirmed by pressing 'Enter/Reset'. To abort the set-up procedure (i.e. without changing the setting) just wait the 20 seconds time-out period after which the default screen will return.

5.4Test Screens

These screens show the test procedure, either started from the service menu (front panel keys) or via the UPS monitoring software (RS232/SNMP). The upper line indicates the kind of test, the second line its status.

5.4.1 Battery Test, general

Automatic test: Every 500 operating hours the UPS conducts automatic battery tests to ensure that the batteries and the wiring are able to support power failures. The tests do not cause any interruption in the functioning of the unit.

Manual test: A manual battery test can be activated

-either through an interface kit, via the RS232 or SNMP Interface Port (please refer to the manual of your interface package), or

-via the front panel: see below

5.4.2Quick Battery Test

From the standard menu first enter the service menu (press the 'down' and 'Enter/Reset' keys simultaneously, then press the 'down' key until the following screen appears:

QUICK BATTERY

TEST PRESS ENTER

The ???Enter/Reset??? key confirms the selection, and the screen shows:

QUICK BATTERY

TEST START

The test status (indicated by the second line) can be: = testing

= battery has been tested with positive result = the batteries should be replaced

= battery capacity too low to start the test

If the batteries are dangerously close to being worn out, a low priority alarm 'replace battery' will be generated. The batteries must be replaced as soon as possible (see section 8.3).

NOTE: If the manual test is started immediately after installation or after a power failure, the UPS may generate a false 'replace battery' alarm as the batteries have been (partly) discharged during transport/storage or during the power failure.

5.4.3 Deep Battery Test

The runtime as shown on the LCD screen is calculated, and the value is initially based on the capacity of new batteries. As batteries age, their capacity deteriorates, and as a result the initial battery capacity may be too unreliable for a proper runtime prediction. The UPS is able to keep track of the aging process, if a 'deep battery test' (battery calibration test) is executed regularly. During such a test the condition of the batteries is tested, and the result of the test is stored, and used by the UPS system for future runtime calculations.

We advise performing a deep battery test on a regular basis. For accuracy reasons the interval should depend on the number of discharges . With one discharge per month a 6 month interval is sufficient. If the discharge interval is shorter than once a week a monthly deep battery test is advised.

A deep battery test can be started only if the following conditions are met:

-The load should be more than 30% of nominal load

-The batteries should be fully charged (100% on screen)

-There are no alarms at the time the test is started.

Procedure:

From the standard menu first enter the service menu (press the 'down' and 'Enter/Reset' keys simultaneously for 2 seconds). Subsequently press the 'down' key until the following screen appears:

CALIBRATE BAT press DOWN+ENTER

Press the keys ???down??? (2) + 'Enter/Reset' (3) simultaneously, for at least 1 second.

The following screen appears:

CALIBRATE BAT

TEST ACTIVATED

The test is executed, this may take a few minutes with standard battery and full load. Partial load and/or batt. extension packs can lengthen the test period considerably. Do not change the load during the test, i.e. do not switch off or on connected equipment!

The deep battery test discharges the batteries to 'battery low' alarm level (see section 5.3.2 'battery low'). Please note that immediately after a deep battery test the expected run time is very short: allow the UPS to recharge its batteries.

After the test the second line informs about the result:

5.5Other Features

5.5.1 Shutdown

'Remote shutdown': Using communication capabilities, the computer can direct the UPS to turn itself off following controlled shutdown of the system. Subsequently the UPS will remain off for at least a few seconds (see also 6.1). LED 'operation' will blink green. The unit will start up again as soon as the utility returns.

'No-load shutdown': The UPS will also switch off if the load is < 2% of the maximum load, and the input is absent for more than 10 minutes. For more information see section 5.3.2, message 'SHUTDOWN ALARM'. NOTE: If the UPS operates in parallel, the no-load function is not available.

'Emergency shutdown': for more information see section 5.3.2, message 'IMMEDIATE SHUTDOWN'.

5.5.2 Utility start

The UPS is able to start, even if the batteries are not connected. Alarm messages 'BATTERY FUSE FAILURE' and 'BATTERY DEPLETED' will be shown. The run time is zero.

5.5.3 Sleep and wake-up

GE Digital Energy??? UPS monitoring software allows you to program a 'sleep period' of the UPS by sending two commands to the UPS:

-shut down after # minutes, and subsequently:

-shut down during # hours.

After the first command the following screen appears:

During the sleep period the output voltage is no longer available. LED 'operation' blinks green, and the LCD screen shows the time left until restart:

If a utility failure occurs during the sleep period and the battery voltage eventually drops below 200Vdc, the UPS will automatically switch off in order to save battery power. When the main returns the UPS will start up automatically. The programmed sleep time however is lost.

The sleep period can be cancelled by either turning the UPS ON/OFF switch (6) off for a few seconds or by sending the appropriate command via the RS232/SNMP port.

5.5.4 Overload protection in bypass mode

The UPS will protect itself in case of overload. Upon an overload which is caused by abnormal circumstances the UPS will switch to bypass operation, and subsequently the bypass input fuse on the front panel will trip. The capacity of the bypass fuse allows it to handle the inrush currents of the equipment connected to the UPS. The fuse will only trip after more than an hour at an input current of 40Amp (LP 5/6-11U) or 50Amp(LP8-11U) or 63Amp (LP 10-11U).

In order to protect the UPS system the software will cut off the abnormal current:

Between 36-49Amp(LP 5/6-11U), 55-65Amp (LP 8-11U), 70-81Amp(LP 10-11U) the time is inversely proportional to the input current. We advise to place a distribution fuse slow blow type between UPS input and the utility supply. Please refer to the installation drawing.

5.5.5ECO-mode

The UPS is equipped with the ???ECO-mode??? feature. If the feature is enabled, the load is operated on utility through the electronic bypass switch. If the utility is interrupted or out of limits the load is automatically transferred to the inverter. Operating the load on utility improves the efficiency of the UPS with 5-8% and saves on energy costs. We advise not to use the ECO-mode in case of an unstable utility.

After enabling the ECO-mode (please refer to service screens 5.3.3) the standard menu changes to:

NOTE: If LP-U units operate in parallel, the ECO-mode feature is not available.

5.5.6Auto restart

If this feature is enabled and the unit has shut down (e.g. due to overload) the UPS will start up automatically when the normal situation is restored. The off-factory setting is: enabled.

If the auto restart feature is disabled the unit will not automatically restart when the normal situation is restored but the display will show:

AUTO RESTART OFF

PRESS ENTER

After ???Enter??? the unit will restart. See also 5.3.3 ???service screens???.

5.5.7Superior Battery Management

-Load dependent battery-end voltage: The allowable final battery voltage depends on the discharge

current: the higher the current, the lower the 'end-of-discharge' battery voltage. This gives maximum capacity without over discharging. Over discharging results in failure to recover normal capacity and in shortened battery life.

-Equalize mode: When switched on for the first time the UPS will start boost-charging the batteries for 15 hours in order to equalize all battery voltages.

-Boost mode: If after a discharge the battery voltage is lower than 240Vdc, the UPS will charge the batteries with a boost charge voltage of 285Vdc. This enables fast recharging of the batteries. The programmed battery charging mode will change from boost charge into float charge after boost charging twice.

-Temperature compensated battery charging: This feature reduces the battery charge voltage with

increasing temperature (-18mV/?? C or -32.4mV/?? F per 12V battery). As a result poor charging of the batteries under low temperature conditions and overcharging of the batteries under high temperature conditions are prevented.

The UPS is equipped with 3 ???option slots??? (rear panel, 12-14). In the most left slot (12) an RS232/contact interface card is factory installed. See 5.1. In the middle slot (13) additional Relay or SNMP plug-in Cards can be installed. The most right slot (14) allows easy installation of an RPA plug???in Card (Redundant Parallel Operation).

6.1RS232 / contact interface

The RS232/Contact interface (9-pole, sub D, rear panel, 12a) enables advanced communication between the UPS and e.g. a personal computer. An interface kit (cable and software) is delivered with the UPS. The software supports most common operating systems incl. Novell, UNIX, VMS, Windows 3 - 95/98/2000 - NT, IBM OS/2, LINUX, has a modular and layered architecture and works for all degrees of network complexity: stand-alone, multi-vendor networks and large managed networks.

During a power failure the UPS software takes a number of actions: processes are stopped, open files are closed and unattended systems will be shut down in a controlled way. When the utility power returns, the systems will automatically start up and will be up and running as soon as possible.

For specific information on GE Digital Energy??? connectivity products please contact your dealer or internet: www.gedigitalenergy.com.

1Battery low

2Serial data out

3Serial data in / UPS shutdown

4Not used

5Common

6Bypass active

7Plug&Play / RTS

8Utility failure

contact interface: Max 48V / 30mA

Fig. 22: RS232 / contact interface

6.2Emergency shutdown

The emergency shutdown connector is located on the RS232/contact interface card (12). Be sure that the UPS is switched off, and remove the card from the unit*. Remove the wire from connector J3 (pin 3 and 4). Install the wiring of a normally closed contact to connector J3 (pin 3 and 4). Re-install the RS232 interface card. If during normal operation of the UPS the contact is opened, the UPS will shut down. To restart the unit, restore the connection and turn the UPS off and on again.

* If the card is removed during normal operation the UPS will shut down.

6.3Relay Card (optional)

The relay plug-in card can be installed in the middle option slot (rear panel, 13). The card is provided with four potential free contacts representing: battery low, bypass active, utility failure and general alarm. For more information please refer to the user manual that comes with the interface card.

6.4SNMP Interface (optional)

This SNMP plug-in card can be installed in the middle option slot (rear panel, 13). The card makes the UPS ???SNMP manageable???: it allows the data interface to be connected directly to an Ethernet network (thin coax, twisted pair, AUI). For more information please refer to the user manual that comes with the interface card. When this option is installed the RS232 communication link is no longer available.

7.1Extended Runtime

Extended runtime versions are equipped with additional separate battery packs to increase the runtime of the unit. Additional batteries will increase the recharging time for the unit. All other operational information is the same.

If a battery pack is connected, the UPS must be informed about the new total battery capacity to allow a reliable recalculation of the available run time. Please refer to section 5.3.4 ???Set-up Menu???. Dependent of the charge condition of the new batteries the new run time calculations may temporarily be unreliable.

Connecting an external charger may cause damage to the UPS. As the batteries are not galvanically separated from the utility input, the external charger must be galvanically separated from the utility. Using an external charger will cause a false run time prediction during charging time, the correct run time will be shown 10 hours after reaching battery float charge. If you are in doubt, contact your dealer.

Battery pack A: 240V / 7 Ah

Battery pack B: 240V / 14 Ah

For more information please refer to the NOTES in section 4.5.5 step 6.

7.2Plug-in Cards

An option slot (rear panel, 13) allows easy installation of a relay or SNMP plug-in card. See sections 6.3 and 6.4 for more information.

7.3RPA-Facility (Redundant Parallel Architecture)

Nowadays there are many mission-critical applications that need a fault tolerant, 100 % reliable availability of mains power. By adding the RPA-facility to the UPS (rear panel, 14), highest standards for reliability can be met. The RPA-facility allows to connect 2, 3 or 4 units in parallel.

Connecting GE Digital Energy??? LP-U units in parallel is attractive for several reasons.

Redundancy: To achieve the highest possible level of power protection in a fault-tolerant network.

By connecting units in parallel, using the N+x system, a redundant system can be created. In this case all the UPSs equally share the load in the system during normal operation. In this way every possible single point of failure will be eliminated. This means that if one of the UPSs in the parallel system fails, the other(s) can still supply the load guaranteeing full protection without any interruption.

Scalability: To add power if needed without investments beforehand.

Another reason for paralleling units is upgrading the power rating of the system. If e.g. a LP 5kVA is installed, the power rating can be upgraded to 10kVA by adding another LP 5kVA in parallel. This spread investment makes sure that you don???t have to invest in advance, but only when you need to.

GE???s unique RPA system has the following major advantages:

???RPA offers true redundancy because not only the power electronics are redundant, but also the batteries, the bypass circuit and the control logic,

???The RPA system is an option: you don???t have to buy it if you don???t need it.

7.4PDM: Power Distribution Module

This Power Distribution Module (PDM) contains 4 x Nema 5-20R, 2 x Nema L6-30R and 1 x Nema L14-30 R Power sockets (see fig. 23). The PDM replaces the conduit box (17), and converts the LP-U into a pluggable UPS. Only qualified personnel is allowed to install the PDM.

For more information please refer to the user manual that comes with the Power Distribution Module.

Fig. 23: Power Distribution Module

7.5Seismic anchors

Seismic anchors can be ordered separately; contact your local dealer.

8.1General

When used properly, the UPS is virtually maintenance free other than keeping the air inlets/outlets free from dust.

8.2Cooling fan

The expected operational life of the cooling fans is approximately 20,000 to 40,000 hours of continuous operation. A high ambient temperature will shorten this operational life.

8.3Batteries

The service life of the battery is from 3 to 6 years, depending on the operating temperature and on the number of discharge cycles.

As a healthy battery is essential to the performance of the UPS, an automatic battery test is performed regularly to ensure failsafe operation (see section 5.4.1). When the condition of the battery is critical, the warning signal will be activated (buzzer 1x per 8 secs, and alarm message 'Replace battery', see 5.3.2). The batteries must be replaced as soon as possible. Please contact your dealer. Use only UL recognised batteries (BAZR2), valve

regulated types.

NOTE: under certain circumstances a manual battery test can result in a false alarm: please see section 5.4.2

'QUICK BATTERY TEST'.

Regular deep battery tests are advised in order to re-calibrate the capacity of aging batteries. See section 5.4.3 for more information.

NOTE: All maintenance and service work, including battery replacement, should be performed by qualified service personnel.

For authorized service personnel only:

Never short the battery terminals. Shorting may cause the battery to burn. Avoid charging in a sealed container. Proper disposal of batteries is required: refer to your local codes for disposal requirements. Never dispose of batteries in a fire: they may explode. Never disassemble or reassemble batteries; their contents (electrolyte) may be extremely toxic. If exposed to electrolyte, wash immediately with plenty of water, if eye contact occurs flush with water and contact a physician.

8.4Safety

CAUTION:

When the LP-U UPS is operating, all parts of the electronics are directly connected to the utility and high voltages are present on all internal parts, including the battery. Even after disconnection from the utility, all parts inside the UPS, including the battery, conduct dangerous voltages (except the RS232 output).

For your safety, only authorized service personnel may remove the cabinet cover.

8.5Storage

Always store the UPS in a dry location with the batteries in a fully charged state, storage temperature must be within -20 and +45?? C. Storing the unit for a period exceeding 3 months can reduce the life of the batteries. To maintain their normal life expectancy, the batteries must be recharged periodically:

-if the storage temperature is within -20 and +30??C (-4?? F and 86?? F): every 6 months, for 24 hours,

-if the storage temperature is within -20 and +45??C (-4?? F and 113?? F): every 4 months, for 24 hours.

8.6Recycling the UPS at the end of service life

NOTE: This product has been designed to respect the environment, using materials and components respecting eco-design rules. It does not contain CFCs (Carbon Fluorine Chloride) of HCFCs (Halogen Carbon Fluorine Chloride).

GE Digital Energy, in compliance with environment protection recommends that the UPS equipment, at the end of its service life, must be recycled conforming to the local applicable regulations.

WARNING

The batteries contain lead, which is a dangerous substance for the environment. Therefore the batteries must be recycled correctly by specialized companies.

Whenever a malfunction occurs, first check external factors (e.g. connections, temperature, humidity or load) to determine whether the problem is caused by the unit itself or by its environment. Subsequently check whether the breakers/switches on the rear panel (fig. 19, 7-8-9) are in ???on??? position. Always check these external factors before concluding that your UPS is faulty.

The front screen will indicate the problem and solution (if the problem is due to environmental circumstances). If the solution is not shown on the screen, please contact your dealer.

During the self-test, performed immediately after start-up, the UPS may detect a system failure. In this case a message is displayed for 30 seconds before the self-test is repeated. If the faulty situation persists, please contact your dealer.

(One of) the following messages can be displayed:

* If absence of input power (utility failure, maintenance work) is expected to last longer than a few hours, switch off the UPS to save battery power. If the UPS input power is absent for several days and the UPS remains on under no-load conditions, the batteries can be discharged very deeply, resulting in a short battery life time.

-low/high DC voltage

-overtemperature

-overload / short circuit

The output is protected against connection to the utility supply * according to EN 50091-1

AUTOMATIC BYPASS SWITCH

The automatic switch provides transfer of the load to the utility voltage without any interruption of the supply. The transfer is initiated by a signal from the output converter protection circuit in case of an overload or high temperature.

When the conditions return to normal the load is automatically transferred back to the output converter. The automatic bypass switch can be disabled by the end-user.

STEP-UP TRANSFORMER CABINET MOUNTED UNDERNEATH VSD2 (FOR LP 5/6-11U ONLY)

Dimensions Conduit Box

Center of Gravity

LP 5/6/8/10-11U installation drawings

POSITION A: FIX UPS TO THE FLOOR

POSITION B: LIFT UPS CASTORS FROM THE FLOOR