MGE UPS Systems Power Supply 225KVA User Manual

w w w. m g e u p s . c o m

Features

◗ Single and Parallel UPSs

◗ Battery Cabinet

◗ Maintenance Bypass

◗ Optional Up-link to an

IBM AS4000

Galaxy PW™

100 to 225kVA

Uninterruptible Power Systems

Installation and User Manual

86-133060-00 A00

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Installation and User Manual

WARNING

To reduce the risk of fire or electric shock, install in a temperature and humidity

controlled indoor area free of conductive contaminants.

This equipment is intended only for installations in a RESTRICTED ACCESS

LOCATION.

ATTENTION Pour réduire le riske d'inccendie ou d'électrocution, installer dans une enciente

intérieure contrôlée en température et humidité et sans contaminants conducteurs.

Ce matériel est destiné seulement pour des installations dans un EMPLACE-

MENT RESTREINT d'cAccès.

WARNUNG! Um die Gefahr von Feuer und elektrischem Schock zu reduzieren, muss das

Gerät in einem temperatur - und feuchtigkeitskontrollierten Raum, frei von

leitungsfähigen Verunreinigungen, installiert werden. Dieses Gerät ist nur für

die Installation an einem Ort mit eingeschränkter Zugangserlaubnis vorgesehen.

Diese Ausrüstung ist nur für Anlagen in einem EINGESCHRäNKTEN ZUGRIFF

STANDORT bestimmti.

WARNING

HIGH LEAKAGE CURRENT. Earth connection essential before connecting

supply.

ATTENTION

WARNUNG!

COURANT DE FUITE ELEVE. Raccordement a la terre indispensable avant

le raccordement au reseau.

Hoher Ableitstrom Vor Inbetriebnahme Schutzleiterverbindung herstellen.

How to Use This Manual and Symbol Usage

This manual is designed for ease of use and easy location of information.

Locate specific topics in the Table of Contents.

For terms used in the text refer to the Glossary.

Typographical conventions use single quote marks in procedures to denote a prompt for User action:

For example: 1. After the selections are complete, click on the “Save” button.

This manual uses four icon symbols with text to convey important information and tips.

WARNING

CAUTION

indicates information provided to protect the user and service personnel against

safety hazards and/or possible equipment damage.

indicates information provided to protect the user and service personnel against

possible equipment damage.

IMPORTANT

NOTE

indicates information provided as an operating instruction, or as an operating tip.

indicates information provided as an operating tip or an equipment feature.

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Galaxy PW™ UPS 100 to 225kVA

CAUTION: Record All Serial Numbers!

RECORD ALL SERIAL NUMBERS FOR THE GALAXY PW™ AND COMPONENTS.

THESE SERIAL NUMBERS WILL BE REQUIRED IF YOUR SYSTEM NEEDS SERVICE.

KEEP THIS MANUAL IN A PLACE WHERE YOU CAN REFERENCE THE SERIAL

NUMBERS IF SERVICE IS REQUIRED!

UPS SINGLE SERIAL NUMBER: ___________________________________________________

UPS PARALLEL SERIAL NUMBER: _________________________________________________

BATTERY CABINET SERIAL NUMBER: ______________________________________________

MBP SERIAL NUMBER: ___________________________________________________________

ADDITIONAL MODULE SERIAL NUMBERS:

____________________________

______________________________

CAUTION: Record All Serial Numbers

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Installation and User Manual

Galaxy PW™

100 to 225kVA

Installation and User Manual

Revision History

Galaxy PW™ 100 to 225kVA Installation and User Manual 86-133060-00 A00

Revision:

Initial Release

06/2003

A00

ECN#: 003469

02/2006

MGE UPS SYSTEMS, INC.

1660 Scenic Avenue

Costa Mesa, CA 92626

(714) 557-1636

Technical Support:

1-800-523-0142 (during business hours)

Customer Care Center:

1-800-438-7373 (Hours: 24/7)

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(This page left blank intentionally)

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Contents

description

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page

IMPORTANT SAFETY INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .ii

Certification Standards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .ii

How to Use This Manual and Symbol Usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .iii

CAUTION: Record All Serial Numbers! . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .iv

Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .v

Section 1 Introduction

section

description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page

1.0

1.1

1.2

1.3

1.4

Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 — 1

Section Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 — 1

General Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 — 2

System Major Power Components . . . . . . . . . . . . . . . . . . . . . . . .1 — 3

Different Types of Galaxy PW™ Systems . . . . . . . . . . . . . . . . . .1 — 4

1.4.1 Single UPS System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 — 4

1.4.2 Parallel UPS System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 — 4

System Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 — 5

1.5.1 Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 — 5

Electrical Parameters for Selecting Protective Devices . . . . . . . .1 — 6

1.6.1 Normal AC Source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 — 6

1.6.2 Bypass AC Source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 — 7

Recommended Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 — 8

1.7.1 Protection Upstream of Galaxy PW™ . . . . . . . . . . . . . . . . . . . . .1 — 8

1.7.2 Protection Downstream of Galaxy PW™ . . . . . . . . . . . . . . . . . . .1 — 8

Parallel Connected UPS Units . . . . . . . . . . . . . . . . . . . . . . . . . . .1 — 9

1.5

1.6

1.7

1.8

Section 2 System Setup

2.0

Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 — 1

2.0.1 First steps by an on-site qualified Technical Engineer . . . . . . . .2 — 1

2.0.2 Final steps by MGE Field Service Engineer . . . . . . . . . . . . . . . . .2 — 1

2.0.3 Required Equipment and Tools . . . . . . . . . . . . . . . . . . . . . . . . . .2 — 1

Receiving . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 — 2

2.1.1 Handling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 — 2

2.1.2 Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 — 3

Unpacking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 — 4

2.1

2.2

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Galaxy PW™ UPS 100 to 225kVA

Section 2 System Setup (continued)

section

description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page

2.3

2.4

2.5

2.6

Galaxy PW™ Cabinet Major Components . . . . . . . . . . . . . . . . . .2 — 5

Battery Cabinet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 — 6

Remote External Maintenance Bypass Cabinet . . . . . . . . . . . . . .2 — 7

General Instructions for Screens . . . . . . . . . . . . . . . . . . . . . . . . .2 — 8

2.6.1 Control Panel Indicators and Definitions . . . . . . . . . . . . . . . . . . .2 — 8

System Start-up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 — 10

2.7.1 Single UPS unit or Redundant Parallel UPS . . . . . . . . . . . . . . .2 — 10

Parallel UPS Unit for Increased Output . . . . . . . . . . . . . . . . . . .2 — 11

2.7

2.8

Section 3 Installation

3.0

3.1

3.2

3.3

3.4

3.5

Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 — 1

Optional Communications Card Installation . . . . . . . . . . . . . . . . .3 — 1

Notes on Connection of Power Circuits . . . . . . . . . . . . . . . . . . . .3 — 1

Power-Circuit Wiring Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . .3 — 2

Hot Swap Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 — 2

Connections Between Cabinets . . . . . . . . . . . . . . . . . . . . . . . . . .3 — 4

3.5.1 Connections Between UPOZ Boards . . . . . . . . . . . . . . . . . . . . . .3 — 4

3.5.2 Connections Between UPS Cabinets and the

Remote External Bypass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 — 4

3.5.3 Connections Between MUSI Boards . . . . . . . . . . . . . . . . . . . . . .3 — 5

Environmental Signal of the Media Contacts 11 Board . . . . . . . .3 — 7

3.6.1 Signal Reception . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 — 7

3.6.2 Signal Transmission . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 — 7

"Media Contacts 11" Standard Auxiliary Circuits Connection . . . .3 — 9

3.7.1 Battery Circuit Breaker "QF1" Connection . . . . . . . . . . . . . . . . .3 — 10

Installation of the "Temperature Monitor" in the

3.6

3.7

3.8

Battery Cabinet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 — 10

3.8.1 "Temperature Monitor" installation in a Battery Room . . . . . . . .3 — 11

Connection of the Battery "Temperature Monitor" . . . . . . . . . . .3 — 12

About Final Installation Steps . . . . . . . . . . . . . . . . . . . . . . . . . . .3 — 14

3.8.2

3.9

Section 4 Operation

4.0

4.1

Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 — 1

Start-up of a Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 — 1

4.1.1 Start-up of an Inverter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 — 1

4.1.2 Emergency Power Off . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 — 1

4.1.3 Single UPS Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 — 2

4.1.4 Parallel UPS Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 — 2

Operation in On-line Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 — 3

4.2.1 Normal Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 — 3

4.2.2 Operation with the Normal AC Source Down . . . . . . . . . . . . . . . .4 — 4

Operation with the Normal AC Source Restored . . . . . . . . . . . . .4 — 5

4.2

4.3

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Section 4 Operation (continued)

section

description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page

Operation with Engine Generator Set . . . . . . . . . . . . . . . . . . . . .4 — 6

4.4

4.5

4.6

Battery Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 — 7

Inverter Shutdown or Overload . . . . . . . . . . . . . . . . . . . . . . . . . .4 — 7

4.6.1 Single UPS Unit (On-line mode) . . . . . . . . . . . . . . . . . . . . . . . . . .4 — 8

4.6.2 Parallel UPS Without Redundancy . . . . . . . . . . . . . . . . . . . . . . . .4 — 8

4.6.3 Parallel UPS With Redundancy . . . . . . . . . . . . . . . . . . . . . . . . . .4 — 9

Output Voltage Quality and Continuity . . . . . . . . . . . . . . . . . . . .4 — 9

4.7.1 Steady State Voltage Regulation . . . . . . . . . . . . . . . . . . . . . . . .4 — 10

4.7.2 Transient Voltage Regulation . . . . . . . . . . . . . . . . . . . . . . . . . . .4 — 10

Measurement System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 — 11

4.8.1 Voltage Measurements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 — 12

4.8.2 Current Measurements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 — 12

4.8.3 Power and Frequency Measurements . . . . . . . . . . . . . . . . . . . .4 — 12

4.8.4 Battery Measurements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 — 12

Selections and Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 — 13

Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 — 16

Maintenance Bypass Option . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 — 16

Logging and Time-Stamping . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 — 17

4.12.1 Event Time-Stamping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 — 17

4.12.2 Consulting Logged (time-stamped) Events . . . . . . . . . . . . . . . .4 — 17

Setting the Date and Time for the UPS - Utilization

4.7

4.8

4.9

4.10

4.11

4.12

4.13

4.14

Via the Galaxy PW™ Display . . . . . . . . . . . . . . . . . . . . . . . . . . .4 — 18

Consulting Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 — 19

4.14.1 Consulting Recorded Measurements . . . . . . . . . . . . . . . . . . . . .4 — 21

Section 5 Maintenance

5.0

5.1

5.2

Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 — 1

Preventive Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 — 1

Replacement Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 — 2

Maintenance Isolation Procedures . . . . . . . . . . . . . . . . . . . . . . . .5 — 2

5.2.1 Single UPS Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 — 2

Steps for Parallel UPS Redundancy to Increase Output . . . . . . .5 — 4

Battery Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 — 6

Visual Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 — 6

Functional System Checks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 — 6

Testing Parallel Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 — 7

5.7.1 Galvanic Isolation and Voltage Matching Transformers . . . . . . . .5 — 7

Management of Computer Networks . . . . . . . . . . . . . . . . . . . . . .5 — 7

5.8.1 Integrated SNMP Agent . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 — 7

5.8.2 Two-channel Network Board . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 — 7

5.3

5.4

5.5

5.6

5.7

5.8

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Galaxy PW™ UPS 100 to 225kVA

Appendices

description

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page

Appendix A

Front Control Panel Display Definitions . . . . . . . . . . . . . . . . . . . . . . . . . .A — 1

Display of Primary and Secondary Messages . . . . . . . . . . . . . . . . . . . . .A — 4

Primary Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .A — 5

Secondary Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .A — 6

Appendix B

Monitoring - Electrical Supervision Options . . . . . . . . . . . . . . . . . . . . . .A — 11

"Teleservice" . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .A — 11

Utilization Via Teleservice . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .A — 11

GTC Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .A — 11

GTC + Software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .A — 11

Appendix C

Link to an IBM AS/400® Computer . . . . . . . . . . . . . . . . . . . . . . . . . . . .A — 13

Connect and Configure the AS400 Link . . . . . . . . . . . . . . . . . . . . . . . . .A — 13

MGE Warranty & Proprietary Rights for Three Phase Products

MGE Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .W—1

Proprietary Rights Statement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .W—1

MGE Customer Care Center

Technical Support and Product Services . . . . . . . . . . . . . . . . . . . . . . . . .W—3

Who To Contact . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .W—3

Scheduling Field Service Engineer Support . . . . . . . . . . . . . . . . . . . . . . .W—3

Return Policy for Repair (RMA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .W—3

Glossary

Term and Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .G — 1

Reorder Form

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .RO—1

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Installation and User Manual

Figures

figure description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page

1-1: Galaxy PW™ System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 — 2

1-2: Galaxy PW™ Single UPS System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 — 4

1-3: Fuse Curve Chart. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 — 7

2-1: Handling Cabinet From the Bottom or Rolling on Bars. . . . . . . . . . . . . . .2 — 3

2-2: Dismantling Leg Supports and Attaching Spacers to Cabinet. . . . . . . . .2 — 4

2-3: Layout of the Major Cabinet Components. . . . . . . . . . . . . . . . . . . . . . . .2 — 5

2-4: Component Layout in a Battery Cabinet or a

Battery Circuit-breaker Enclosure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 — 6

2-5: 350A and 1200A Maintenance Bypass Cabinet. . . . . . . . . . . . . . . . . . . .2 — 7

2-6: Control Panel Indicators. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 — 8

2-7: Single UPS Unit Start-up Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 — 10

2-9: Parallel UPS Unit for Increased Output. . . . . . . . . . . . . . . . . . . . . . . . . .2 — 11

3-1: Galaxy PW™ Single UPS Unit Wire Diagram. . . . . . . . . . . . . . . . . . . . . .3 — 2

3-2: Single UPS Unit Power Circuit Connections. . . . . . . . . . . . . . . . . . . . . . .3 — 2

3-3: Parallel UPS Unit Power Circuit Diagram. . . . . . . . . . . . . . . . . . . . . . . . .3 — 3

3-4: Connections Between UPOZ Boards. . . . . . . . . . . . . . . . . . . . . . . . . . . .3 — 4

3-5: Two Parallel UPS Units Connections. . . . . . . . . . . . . . . . . . . . . . . . . . . .3 — 5

3-6: Three Parallel UPS Units Connections. . . . . . . . . . . . . . . . . . . . . . . . . . .3 — 6

3-7: Four Parallel UPS Units Connections. . . . . . . . . . . . . . . . . . . . . . . . . . . .3 — 6

3-8: Standard Auxiliary Circuits Connections. . . . . . . . . . . . . . . . . . . . . . . . . .3 — 9

3-9: Installing the "Temperature Monitor" in a Battery Cabinet. . . . . . . . . . .3 — 10

3-10: Temperature Monitor" Base. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 — 11

3-11: Single UPS Unit Connection of the Battery "Temperature Monitor". . . .3 — 12

3-12: Connection of the Battery "Temperature Monitor."

(In Parallel UPS Units with Batteries in Same Room.) . . . . . . . . . . . . .3 — 13

3-13: Connection to the "Media Contacts 11" Board. . . . . . . . . . . . . . . . . . . .3 — 14

4-1: Control Panel and Circuit Breaker Diagram. . . . . . . . . . . . . . . . . . . . . . .4 — 1

4-2: Single UPS Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 — 2

4-3: Parallel UPS Two Parallel Connected UPS Units. . . . . . . . . . . . . . . . . . .4 — 2

4-4: Parallel UPS Two to Four Parallel Connected UPS Units. . . . . . . . . . . .4 — 2

4-5: Normal Operation Indicator Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . .4 — 3

4-6: Normal AC Source Indicator Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . .4 — 4

4-7: Normal Operation Mode Indicator Diagram. . . . . . . . . . . . . . . . . . . . . . .4 — 5

4-8: Battery Charge Cycle Chart. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 — 6

4-9: Installation with an Engine Generator Set. . . . . . . . . . . . . . . . . . . . . . . . .4 — 6

4-10: Operating in On-line Mode Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 — 7

4-11: Overload Curve Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 — 9

4-12: Measurement System Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 — 11

4-13: Display of Alarm Messages.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 — 16

5-1: UPS Isolation Diagram for Normal AC Bypass Source. . . . . . . . . . . . . . .5 — 3

5-2: Panel Procedures for UPS Isolation. . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 — 3

5-3: Start-up After Isolation Procedure is Completed. . . . . . . . . . . . . . . . . . . .5 — 3

5-4: Isolate All UPS’s Procedures Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . .5 — 4

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Galaxy PW™ UPS 100 to 225kVA

Figures (continued)

figure description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page

5-5: Start-up Procedure After Isolation Diagram. . . . . . . . . . . . . . . . . . . . . . .5 — 5

5-6: Redundancy for Increased Output Diagram. . . . . . . . . . . . . . . . . . . . . . .5 — 5

5-7: MAC Address Sticker. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 — 7

Tables

table description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page

1-1: Electrical Parameters for Normal AC Source. . . . . . . . . . . . . . . . . . . . . .1 — 6

1-2: Electrical Parameters for Bypass AC Source. . . . . . . . . . . . . . . . . . . . . .1 — 7

1-2A:

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 — 7

1-3: Rating Recommended for Devices Upstream of Single UPS. . . . . . . . . .1 — 8

1-4: Rating Recommended for Devices Downstream of Single UPS. . . . . . .1 — 8

1-5: Parameters for Bypass AC Source and

Load Cables for a Parallel UPS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 — 9

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Introduction

1.0

1.1

Scope

Introduction is a general description and overview of Galaxy PW™ 100 to 225kVA components, its intended use,

environment, and applicable specifications, power input/output requirements, and system characteristics for

different system configurations.

Section Descriptions

Introduction

Introduction is a general description and overview of the Galaxy PW™ 100 to 225kVA components, its intended use,

environment, and applicable specifications, power input/output requirements, and system characteristics for

different system configurations.

System Setup

System Setup describes receiving and handling of the Galaxy PW™ 100 to 225kVA, a description of major compo-

nents, the battery cabinet, and definition of the control panel indicators. Includes electrical, mechanical and

environmental specifications.

Installation

Installation guides the User through single and parallel UPS unit power cable connections, hot swap options,

connections between cabinets, communication card connections, battery temperature monitoring. Wire diagrams

are included for configuring the unit to specifications.

Operation

Operation describes the theory of operation, start-up for single and parallel units, modes of operation, normal speci-

fications for operating the Galaxy PW™ 100 to 225kVA. The User procedures include display messages,

measurement systems, alarms, battery cabinet, and log time-stamping procedures.

Maintenance

Maintenance procedures for isolation for maintenance, startup for single and parallel units, functional and visual

checks, software configurations, and testing scenarios.

Appendices

List of primary and secondary display messages.

Electrical supervision options. (Teleservice and GTC Cards)

Instructions of the optional IBM AS400 up link process.

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Galaxy PW™ UPS 100 to 225kVA

1.2

General Description

The cabinets are cooled by forced ventilation. The air enters via the doors and grids at the bottom and is discharged

through the roof, which means the cabinets can be positioned against the back wall.

Connections are made through the bottom. (Connections through the top are an available option.)

The connection cables may be run in three ways:

◗

In a trench running under the cabinets.

Under a false floor.

On the floor under the cabinets, in the free space equal to the height of the feet; in this case the cables

should be run side by side to avoid blocking the flow of air for ventilation.

The cables for connections are between:

◗

The battery and UPS cabinets (power and control cables).

The bypass AC-source transformer in an auxiliary cabinet and the UPS cabinet.

Only the wires for the inter cabinet control connections between parallel-connected UPS units are supplied.

The other power cables for connections between cabinets are not supplied.

Figure 1-1: Galaxy PW™ System.

1 — 2

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Installation and User Manual

1.3

System Major Power Components

Rectifier/charger module (A) Converts 3-phase AC power from the normal AC source supply (1) into DC power

for the normal inverter input and float charges or recharges the battery.

Battery unit (D)

Provides backup power for the inverter in the event of a voltage drop or a normal AC

source failure.

Inverter module (B)

Static bypass module (C)

Converts the DC power supplied by the rectifier/charger module or the battery unit

into 3-phase AC power for the load.

Ensures the instantaneous transfer of the load to the bypass AC source input in the

event of an inverter shutdown (initiated by the user or by a protective device) or a

sudden overload.

Maintenance Bypass

Isolates the UPS for maintenance and transfers the load to bypass AC source input

without interrupting the supply of power. The maintenance bypass is made up of

three manual switches (Q3BP, Q4S and Q5N).

External Bypass

Q5N:

Option for parallel UPSs and Hot-Swapping.

Isolation of the inverters of all the parallel UPS systems from the load.

Bypass for maintenance.

Q3BP:

The normal AC input and the bypass AC input have different functions and, depending on the installation, may be

protected differently upstream and/or come from different sources.

When increased power is required, several Galaxy PW™ units may be connected in parallel (up to four, refer to

section 4.0). In this configuration, an "isolation" function is added for the UPS system as a whole for maintenance

purposes, without interrupting the supply of power to the load.

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Galaxy PW™ UPS 100 to 225kVA

1.4

Different Types of Galaxy PW™ Systems

1.4.1 Single UPS System

Figure 1-2: Galaxy PW™ Single UPS System.

Legend:

(Molded CB NA): Isolation of

the rectifier/charger (A) from

the normal AC source (1);

rectifier/charger (A) start-up.

inverter (B):

DC to AC

power

rectifier/

charger (A):

AC to DC

power

isolation and

protection:

Q5N

*FUSE

(1)

*FUSE

QF1

Q5N

Q4S

(circuit breaker): Battery (D)

protection and isolation.

normal

AC input

load

isolation

and

(switch): Isolation of the UPS

(B) from the load.

QF1: isolation

and protection

protection

harmonic

fliter

(switch): Isolation of the static

bypass (C) from the bypass

AC source (2).

battery (D):

backup power

isolation:

Q4S

static bypass (C):

Q3BP (switch): Bypass switch for

(2)

bypass

AC input

maintenance.

FUE

FUS

(fuses): Protection of the

rectifier/charger (A) from the

normal AC source.

maintenance bypass:

Q3BP

(fuses): Protection of the

inverter (B) from the load.

Switch Q3BP is lock on open

position on parallel UPS

systems constituted to

increase available power.

Note: *The Fuse is to protect against catastrophic rectifier/inverter semiconductor failure.

1.4.2 Parallel UPS System

Parallel UPSs can be utilized when increased power is required (two to four parallel units), or an external bypass

must be added.

CAUTION

PARALLEL UPS WITH EXTERNAL MAINTENANCE BYPASS During mainte-

nance operation, when CB1 (MBP) is closed and CB2 (UPS ISOLATION) is

open, each UPS control panel display will show a message “LOAD

PROTECTED” when the UPS is placed in ON-LINE MODE. In this mode the

critical load is not protected because it is supplied by the maintenance

bypass power.

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Installation and User Manual

1.5

System Specifications

1.5.1 Electrical Characteristics

UPS power rating in kVA

Normal AC input

number of conductors

rated voltage and tolerances

rated frequency and tolerances

THDI

power factor

Bypass AC input

number of conductors

rated voltage and tolerances

rated frequency and tolerances

Load

number of conductors

Ph/Ph voltages

Ph/N voltages

voltage fluctuations (Ph/Ph,Ph/N)

adjustable frequency and tolerances

(on battery power)

100

130

150

180

200

225

3 phases

480 V 10% (adjustable to 15%)

60 Hz / 10%

< 14%

< 11%

< 10%

< 8%

< 7.6% < 7.5%

up to 0.9

3 phases

480 V / 10%

60 Hz / 10%

3 phases + neutral

3 phases

480 V

277 V

60 Hz 0.05 Hz

synchronization with bypass

transient voltage variation for 0 to 100% load step change

permissible overloads

Isc Ph/Ph (% of I rated)

Isc Ph/N (% of I rated)

THDU Ph/Ph and Ph/N for linear load

THDU Ph/Ph and Ph/N for non-linear load

(at 80% of Pn)

0.5 Hz (adjustable from 0.25 Hz to 2 Hz)

2% (with battery), +2%/-6% (without battery)

150% for 1 minute, 125% for 10 minutes

4.7

7.4

3.6

5.7

3.2

2.6

4.1

2.4

3.7

2.1

3.3

< 1.5% Ph/Ph, < 2% Ph/N

< 2% Ph/Ph, < 3% Ph/N

Battery

voltage floating

512V to 561V

gas-recombination sealed lead-acid battery

standard battery type

UPS characteristics

active power (kW)

100

90.5

130

150

180

92.5

200

92.5

202.5*

efficiency at 50% load (%)

(values 1%)

efficiency at 100% load (%)

(values 1%)

92.5

93.5

heat losses (1)

in KW

in cal./s

8.1

1940

9.8

2350

11.3

2700

13.5

3240

13.9

3340

14.1

3380

storage temperature range ºF (ºC)

-13 to 158 (-25 to 70) dry heat — unit without battery

-4 to 113 (-20 to 45) — unit with battery

32 to 95, 104 for 8 hours (0 to 35, 40 for 8 hours)

95% maximum non condensing at ambient temperature

< 3280 (< 1000)

operating temperature range ºF (ºC)

relative humidity

maximum operating altitude without derating, FT(m)

noise level (dBA)

dimensions, in. (mm)

width

depth

height

47.8 (1215)

33 (840)

74.8 .39 (1900 10)

3050 (1388)

NFPA / NEC / NEMA / OSMA

UL 1778 - ULC

weight lbs (kg)

standards

design

product and safety

electromagnetic compatibility

FCC Part 15, Subport J, Class A - IEEE587 / ANSI 62.41

(1): The losses indicated are those produced at full rated load with the battery float charging. They must be taken into account when sizing the ventilation system.

* pf of 225kVA unit has 0.9 and remaining units have 1.0.

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Galaxy PW™ UPS 100 to 225kVA

1.6

Electrical Parameters for Selecting Protective Devices

1.6.1 Normal AC Source

The parameters given in Table 1-1 can be used to determine the required rating of the upstream protective circuit

breaker on the normal AC input for one single-UPS or parallel-UPS unit.

Normal and Bypass AC Input:

number of conductors

3 phases

rated voltage and tolerances

rated frequency and tolerances

480 V 10% (adjustable to 15%)

60 Hz / 10%

IMPORTANT

It is essential to choose the type of circuit breaker according to its breaking

capacity and the prospective short-circuit current at its place of installation.

This choice must also be made so as to protect the static-switch semicon-

ductors with respect to the maximum permissible currents and ensure

discrimination between the UPS output fuses and the downstream

protection devices.

Table 1-1: Electrical Parameters for Normal AC Source.

Electrical parameters for the normal AC source

rated

UPS

output

in kVA

100

current normal AC source

rated current In for unit:

for 25%

for 50%

with battery at start

of charge cycle (1)

without battery (2)

overload (3)

166

214

245

295

328

332

159

205

236

283

316

320

199

256

295

354

395

400

239

308

354

425

474

480

130

150

180

200

225

(1) The rated normal AC source currents (In) have been determined for a rated phase-to-phase voltage of 480 V,

a battery with a 10 minute backup time at the beginning of its charge (412 x 1, 2 = 494 Volts) and full rated load

with a power factor of 0.9.

(2) The rated normal AC source currents (In) have been determined for float charging voltage and full rated load

with a power factor of 0.9

(3) The normal AC source currents given for an overload of 25% or 50% are maximum values. They have been

determined for a battery with float charging voltage and a load power factor of 0.9. When choosing the circuit

breaker rating, use the "rated current" column and check that the circuit breaker tripping curves are compatible

with the values in the overload columns.

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Installation and User Manual

1.6.2 Bypass AC Source

The parameters given in Table 1-2 and 1-2A can be used to determine the required rating of the upstream protec-

tive circuit breaker on bypass AC input.

NOTE

If the installation includes a transformer on the bypass AC input, allow for the

inrush current caused by magnetization of the transformer windings.

Table 1-2: Electrical Parameters for Bypass AC Source.

Electrical parameters for bypass AC source (480 V)

rated UPS current bypass AC source (1)

output

in kVA

100

rated current In for unit:

for 25%

overload

150

for 50%

overload (3)

180

120

156

180

217

241

271

130

205

234

150

236

270

180

283

325

200

316

320

362

225

407

(1) The bypass AC source currents have been determined for a rated phase-to-phase voltage of 480 V, a load

power factor of 0.9 and for full rated load as well as overloads of 25% or 50%. When choosing the circuit breaker

rating, use the "rated current" column and check that the circuit breaker tripping curves are compatible with the

data in the overload columns. See table and chart below.

Table 1-2A:

UPS output

maximum permissible current

in kVA

100

130

150

180

50 In for 20 ms

38 In for 20 ms

33 In for 20 ms

27 In for 20 ms

25 In for 20 ms

22 In for 20 ms

200

225

Figure 1-3: Fuse Curve Chart.

t(s)

10-

I(A)

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Galaxy PW™ UPS 100 to 225kVA

1.7

Recommended Protection

1.7.1 Protection Upstream of Galaxy PW™

The information provided here is purely indicative, for a single UPS unit. Check that all the criteria mentioned in the

previous section are taken into account (short-circuit current and protection of the static switch semiconductors on

the bypass AC input).

Table 1-3: Rating Recommended for Devices Upstream of Single UPS.

Ratings

rated UPS CB on normal

CB on bypass

output

in kVA

AC input

circuit breaker control unit

100

130

150

180

200

225

125A

160A

250A

400A

125A

160A

200A

250A

400A

125A

160A

250A

400A

125A

160A

200A

250A

400A

1.7.2 Protection Downstream of Galaxy PW™

These protection devices ensure discrimination for each of the Galaxy PW™ output circuits. If the recommended

downstream protection is not installed and a short-circuit occurs, the result may be a break longer than 20-min on

all the other output circuits.

Table 1-4: Rating Recommended for Devices Downstream of Single UPS.

Ratings

rated UPS

output

downstream circuit

breaker(s)

circuit breaker

100A

in kVA

control unit

63A curve C

100A curve B

100 to 225kVA

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1.8

Parallel Connected UPS Units

For installations with redundant units, take into account only the units required to supply the load power (e.g. for an

installation made up of 3 parallel-connected UPS units, one being redundant, only 2 UPS units are used to

determine bypass AC source and load currents and cable cross-sections).

Table 1-5 serves as an example for a parallel connected installation comprising up to four UPS units.

Table 1-5: Parameters for Bypass AC Source and Load Cables for a Parallel UPS.

Parameters

rated unit

output

number of

parallel-

total UPS

rated output

in kVA

bypass AC

source or load

line current

in kVA

connected

units

in Amps

100

130

150

180

200

300

400

260

390

520

300

450

600

360

540

720

400

600

800

450

675

900

240

360

480

312

468

624

360

540

720

434

651

868

482

723

964

542

813

1084

200

225

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System Setup

2.0

Scope

System Setup describes receiving and handling of the Galaxy PW™ 100 to 225kVA, a description of major compo-

nents, the battery cabinet, and definition of the control panel indicators, which includes electrical, mechanical and

environmental specifications.

MGE also recommends obtaining an MGE field service engineer for final installation and basic startup for single and

parallel units.

CAUTION

Scheduling of the MGE Field Service Engineers typically should be done 7 to

10 days before they are required on-site. If the startup of the UPS is critical

to maintaining your schedule, please call the MGE toll free telephone number

at 1-800-438-7373 for assistance. The MGE Field Service Engineers will insure a

quick installation for the initial safe startup and configuration of your Galaxy PW™.

Final installation and start-up should be completed by a qualified MGE Field Service Engineer.

2.0.1 First steps by an on-site qualified Technical Engineer

Step 1.

Step 2.

Step 3.

Unpack and position the unit.

Connect the main (utility) power.

Connect the power circuits.

2.0.2 Final steps by MGE Field Service Engineer

Step 4.

Step 5.

Optional:

Call MGE and wait for the MGE Field Service Engineer to complete the installation.

The MGE Field Service Engineer finalizes installation and the startup process.

Procedure for temporary power prior to the final startup.

2.0.3 Required Equipment and Tools

The following equipment and tools are recommended for on-site installation:

◗

Digital volt meter (DVM)

1/8 inch slotted screwdriver

Pallet jack/forklift

Conduit installation tools

Nut driver set

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Galaxy PW™ UPS 100 to 225kVA

2.1

Receiving

On delivery, check that the equipment has not been damaged in transport (declare any damage to the carrier in

accordance with customary claim procedures).

Also check that the characteristics noted in the test report for the equipment correspond to those specified on the

order form. In the event of a non-conforming item, quote the delivery note reference number when making your

claim.

2.1.1 Handling

The cabinets are delivered on pallets, equipped with a shock absorbing system. Ideally, the equipment should be

unpacked just before installation (see "unpacking" section below). Cabinet weights and dimensions are specified on

the packaging. Cabinets may be handled in one of the following ways (see Figure 2-1):

Rolling on Bars (B)

Do not mount the foot pads, but place the cabinet on the rollers (at least three). The cabinet may be pulled on rollers

using a sling positioned horizontally. This technique should only be used when absolutely necessary (narrow

doorway or corridor, preventing the use of a fork-lift or pallet-mover).

From the Bottom (A)

The cabinets can be moved from the front or the rear (715 mm wide cabinets) using a pallet truck or fork-lift truck,

or on the 4 surfaces (1015 mm and 1215 mm wide cabinets) using a fork-lift truck.

Fork tunnel height:

Fork opening:

140 10 mm.

560, 650 or 700 mm according to cabinets width.

The 715 mm wide cabinets are designed to pass through 715 mm wide openings, and the other cabinets are

designed to pass through 825 mm wide openings. For narrow openings, (follow the instructions below) cabinets are

normally 825 mm deep.

This depth can be reduced to:

◗

817 mm by removing rear panels.

805 mm by removing doors.

800 mm by removing doors and door hinges.

unpack the cabinet, refer to section 2.2 ‘Unpacking’, page 4. The cabinet can then be handled by lifting machines

on all surfaces after the pallets have been dismantled by removing the rear panels, and remove the fixing screws

using a "torx" screwdriver.

Removing the doors:

1. Open the door(s).

2. Disconnect the door earth connection from the frame.

3. For cabinets fitted with a control panel, carefully disconnect the ribbon cables from the panel circuit boards

located on the inside of the door.

4. Knock out the hinge pins from below.

5. Remove the door(s).

Removing the door hinges:

1. Remove the screws holding the side panels to the hinges.

2. Remove the central screw holding the hinge.

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Figure 2-1: Handling Cabinet From the Bottom or Rolling on Bars.

From Bottom

On Rollers

2.1.2 Storage

The equipment must be stored in a dry and well-aired location, sheltered from rain, water sprays or splashes and

all chemical agents. Storage in original packing is recommended, since this packaging is designed to provide

maximum protection during storage and handling. If the unit must be unpacked prior to final installation, cover the

equipment with a shroud providing protection against dust, debris, or paint.

Please dispose of the packaging in accordance with the applicable legislation.

IMPORTANT

Transport: the temperatures must remain within the -30° to +50°C range and the

duration should not exceed 30 days.

Storage: the battery is of the sealed lead-acid or vented lead-acid type and should not be stored for more than six

months at 20°C without recharging for batteries that are initially fully charged (for partially charged batteries, the

storage time should be reduced). After the recommended maximum storage time, the battery must be charged,

requiring partial start-up of the equipment (rectifier-charger).

The battery cells can be stored at a temperature between -20°C and +45°C if delivered in their initial packing.

The ideal battery storage temperature is between 15° and 25°C (higher temperatures result in reduced storage life

or downgraded technical characteristics). If higher temperatures cannot be avoided during transport or storage,

please consult us.

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Galaxy PW™ UPS 100 to 225kVA

2.2

Unpacking

1. Remove the packing box and the document holder on the top of the cabinet; raise the cabinet.

2. Dismantle the blocks fixed beneath the cabinet by M12 screws, see Figure 2-2 (A or B), according to the width

of the cabinet);

3. Dismantle the 4 M12 screws screwed on the 4 leg supports (C).

4. Withdraw the "hexagonal spacer + leg" assemblies delivered inside the document holder.

5. Screw the spacers onto the cabinet frame (C).

6. Lock these spacers in position using a 24 mm flat wrench, and fit the cabinet on its legs.

7. Adjust cabinet height and verticality by screwing or unscrewing the legs using a 13 mm flat wrench.

Figure 2-2: Dismantling Leg Supports and Attaching Spacers to Cabinet.

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2.3

Galaxy PW™ Cabinet Major Components

Legend:

AA: cross-sectional view of the cabinet,

B: front view of the cabinet,

C: front panel,

N: rack containing electronic boards,

O: Media Contacts 11 board,

P: slot for communications boards,

Q: FUE input fuses,

D: rear panel,

1: normal AC input connection,

2: bypass AC input connection,

E: load connection,

R: FUS output fuses,

S: RALI board,

T: UPOZ /UCOZ board,

F: battery connection,

G: air inlets,

H: air outlets,

U: MUSI board,

V: backfeed protection (contactor),

W: control wire routing,

I: cable exit through the bottom,

J: trough, if applicable,

K: rectifier/charger module,

L: inverter module,

X: fuses for overvoltage protection RC circuit on bypass,

Y: control-wire connection (auxiliary "Media Contacts 11" circuits and

communications options).

z: EP0I Board

3: VETI Board

M: static-bypass module,

Figure 2-3: Layout of the Major Cabinet Components.

M N 3

Q4S

Q3BP

Q5N

1, 2, E,F

GND

L1L2L3

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2.4

Battery Cabinet

Legend:

AA: cross-sectional view of the cabinet,

B: front view of the cabinet,

C: front panel,

D: rear panel,

E: cable ties to duckboard shelf,

F: cable exit through the bottom,

G: trough, if applicable,

H: connection of exposed conductive parts to duckboard shelf,

I: cable exit to battery connection point in UPS cabinet,

J: cable exit to an additional battery cabinet, if applicable,

K: cable ties to duckboard shelf,

L: fixture locking circuit breaker "QF1" in the open position.

Figure 2-4: Component Layout in a Battery Cabinet or a Battery Circuit-breaker Enclosure.

XR1

QF1

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Installation and User Manual

2.5

Remote External Maintenance Bypass Cabinet

350A and 1200A (See Figure 2-5)

Refer to “Installation Instructions” 90-133056-01 for detailed information about 350A cabinet.

Refer to Installation drawing 90-133077-00 for detailed information about 1200A cabinet.

If your installation is custom designed, a separate installation drawing may apply to your system.

All external wiring are provided and installed by the user.

Transfer instructions can be found in front of the cabinet including the proper operation of the kick key interlock.

Figure 2-5: 350A and 1200A Maintenance Bypass Cabinet.

1200A

350A

NEURTRAL

(NOT SHOWN)

CRITICAL LOAD

MULTI CIRCUIT

MONITOR BOARD

MULTI CIRCUIT

MONITOR BOARD

F1, F2

F3 TO F8

CRITICAL LOAD

MBP

TERMINALS

F1, F2

TRANSFER

INITIATE (SI)

TRANSFER INITIATE (SI)

ELECTRIC INTERLOCK

(KA)

ELECTRIC

INTERLOCK

(KA)

TB2

DISPLAY METER

CB2

TB1

CB2

UPS ISOLATION

CB1

MAINTENANCE

BYPASS

UPS OUTPUT

CB1

MAINTENANCE

BYPASS

TB1

GROUND

NEUTRAL

CONTROL WIRE

ROUTING

UPS

TERMINALS

REMOVABLE

PANELS

FOR POWER

CONDUIT ENTRY

GROUND

SEISMIC

MOUNTING

CUTOUTS

REMOVABLE PANEL

FOR CONTROL AND

POWER

CONDUIT ENTRY

SEISMIC HOLE

LOCATION

FORKLIFT OPENINGS

(LEFT & RIGHT

SIDE TYPICAL)

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2.6

General Instructions for Screens

To display the desired information and enter commands using the ▲, ▼ and ø keys:

1. Press the

key to exit the time-stamping consultation mode and return to the main menu. If no commands

are entered for five minutes, the system automatically returns to the normal display mode.

To scroll through the screens displaying information:

1. Press the ▲ and ▼ keys to scroll up and down through the screens.

For time-stamped events, the display begins with the last event logged. To access older events, press the ▼ key.

If during consultation, you wish to review more recent events, press the ▲ key.

2.6.1 Control Panel Indicators and Definitions

™

The control panel on the Galaxy PW UPS comprises the basic controls and indications required to check the

general status of the system. See Figure 2-6.

Located in the upper right part of the cabinet front, the control panel is designed to provide an easy and rapid

overview of system status. See Figure 2-6.

Interpretation of symbols is very simple and requires no particular training. The information concerns only the

cabinet on which the panel is located. Refer to Appendix A for a complete List of Primary and Secondary display

messages.

The panel indicates:

◗

Normal operation (load protected).

Operation with load on battery power.

Abnormal situations (operating problem).

Dangerous situations (load not protected).

Figure 2-6: Control Panel Indicators.

154

W.Hz

fault

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Control Panel Alphanumeric Legend:

"Rectifier/charger" light Indicates on/off and charging activity.

"Battery light"

Indicates battery status.

"Static-bypass" light

"Inverter" light

"Load" light

Indicates static bypass tolerance status.

Indicates inverter on/off status.

Indicates Load supplied and not supplied.

The buzzer sounds in load operating situations.

This button is used to start the inverter locally.

This button turns the inverter off locally.

Buzzer

"Inverter ON" button

"Inverter OFF" button

9 -10 Keys

These keys are used to select commands in the main menu and access the secondary

messages.

Key

This key is used to validate the user’s choice.

Key

This key is used to access the main menu: display language, display-contrast setting,

sound level of the buzzer, lamp test, date and time settings, inverse-video and event log.

"V" Key

This key is used to access voltage measurements.

This key is used to access current measurements.

This key is used to access other measurements:

This indicator light indicates the presence of anomalies.

This key is used to access the primary messages.

This key is used to access battery measurements:

"A" Key

"W.Hz" Key

"Anomaly" light

⁄

Key

"Battery" Key

"Forced-transfer"

This key is used to voluntarily transfer the load to the inverter or from the inverter to the

static bypass (return transfer).

"Alarm reset"

This key is used to reset stored alarms. The system accepts resetting only when alarms

have been cleared.

"Buzzer reset"

Display

This key is used to stop the buzzer. However, new alarms set the buzzer off again.

The display continuously indicates the system operating status.

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2.7

System Start-up

2.7.1 Single UPS unit or Redundant Parallel UPS

Proceed in the following order: See Figure 2-7.

1. Close the upstream switches supplying normal and bypass AC source power (on the LV switchboard).

2. Close normal AC input switch Q1. The system powers up:

- the rectifier/charger automatically starts.

- green light 1 on the control panel goes on.

- light 2 turns red.

3. Close bypass AC input switch Q4S:

- green lights 3 and 5 on the control panel go on.

4. Close inverter output switch Q5N.

5. Close battery circuit breaker QF1:

- light 2 goes off.

6. Open maintenance bypass switch Q3BP.

7. Press the "inverter on" button 7 on the control panel:

- the green "inverter" light 4 flashes.

- the inverter starts, then, if the bypass AC source transfer conditions are satisfied, the load is transferred

to the inverter if the on-line mode is selected.

- the green "static-bypass" light 3 goes off.

- the green "inverter" light 4 shines for on-line mode.

Figure 2-7: Single UPS Unit Start-up Diagram.

Q4S

Q3BP Q5N

QF1

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2.8

Parallel UPS Unit for Increased Output

Proceed in the following order: See Figure 2-8.

1. Check that all load devices are off or that the load is disconnected.

2. Close the upstream switch supplying normal AC source power (on the LV switchboard).

3. Close the normal AC input circuit breakers Q1 on the UPS units. The system powers up:

- the rectifier/chargers automatically start,

- the green "rectifier/charger" lights 1 in the control panels go on,

- lights 2 turn red.

4. Close the battery circuit breakers QF1.

- lights 2 go off.

- green lights 3 and 5 on the control panels go on.

5. Close Main 2 input switch Q4S for the units.

6. Close output switches Q5N for the inverters and in the external bypass unit.

7. Open maintenance bypass switch Q3BP in the external bypass unit.

8. Press the "inverter on" button 7 on each control panel:

- the green "inverter" lights 4 flash.

9. When a sufficient number of inverters are ready, the inverter-output contactors close:

- the green "inverter" lights 4 shine permanently green.

- the "static-bypass" lights 3 go off.

Figure 2-8: Parallel UPS Unit for Increased Output.

Q4S

Q5N

QF1

Q4S

Q5N

external bypass

Q5N

Q3BP

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Installation

3.0

3.1

Scope

Installation guides the User through single and parallel UPS unit power cable connections, hot swap options,

connections between cabinets, communication card connections, battery ‘temperature monitoring’ installation. Wire

diagrams are included for configuring the unit to specifications.

MGE recommends obtaining an MGE field service engineer for final installation and basic startup for single and

parallel units. Final installation and start-up should be completed and performed by a qualified MGE Field

Service Engineer.

Optional Communications Card Installation

Three slots are available on the "Media Contacts 11" board for optional communications. See the position of these

slots marked "P" in Figure 2-3, page 2—5.

Installation of Boards setup notes:

◗

Boards may be installed with the UPS on, without removing the protective covers.

Boards must be pushed to the end of the slots to ensure correct installation.

Board front plates must be screwed to the protective "Media Contacts 11" board cover.

Wire routing holes are provided in the support for the "Media Contacts 11" board for tying down the wires;

The control wires must then be routed through the cableway marked "W" in figure 2-3, page 2—5.

3.2

Notes on Connection of Power Circuits

◗

Open the doors and remove the lower terminal shields (secured by screws to the cabinet chassis) of the

UPS cabinets, connect the power cables, each cabinet must be grounded.

◗

All the cabinets must be interconnected for equipotential bonding, forming a mesh which is itself connect-

ed to the building structure and earthing electrode.

The connection drawings hereafter show the cabinets with doors open and terminal shields removed.

CAUTION

Before making connections, check that switches Q1, Q4S, Q3BP, Q5N and QF1 are

in the "open" position.

IMPORTANT

For parallel UPS with an external bypass unit, the power connections between

each UPS cabinet and the external bypass unit must imperatively be of the same

length. Outside the cabinets, separate the auxiliary wiring from the power cables.

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3.3

Power-Circuit Wiring Diagrams

The single UPS wire diagram is for typical UPS installations shown in Figure 3-1. The heavy lines represent the

cables that must be connected (F), refer to section 3.5 ‘Connections Between Cabinets’ for more detail on cables.

Figure 3-1: Galaxy PW™ Single UPS Unit Wire Diagram.

Legend:

QF1 +

–

1: Normal AC source,

2: Bypass AC source,

A: Rectifier/charger module,

B: Inverter module,

C: Static-bypass module,

Q5N

Q3BP

( )

Q4S

( )

D: Battery cabinet next to the

Galaxy PW

Galaxy PW™ UPS cabinet,

E: Additional battery cabinets,

F: The equipotential-bonding

connection between cabinets.

3.4

Hot Swap Options

The external bypass may be used to construct a bypass outside the UPS, thus making it possible to shutdown the

UPS for maintenance purposes.

The option may be used for single UPS units and redundant parallel UPS. For the power-circuit connections of a

single UPS unit see Figure 3-2, for the power-circuit connections of parallel UPS see Figure 3-3.

Power cables for UPS-to-bypass connections are not supplied.

Figure 3-2: Single UPS Unit Power Circuit Connections.

Legend:

Q3BP

1: Normal AC source.

2: Bypass AC source.

A: Rectifier/charger module.

B: Inverter module.

C: Static-bypass module.

QF1 +

–

( )

Q5N

( )

D: Battery cabinet next to the

Galaxy PW™ UPS cabinet.

Q4S

( )

Q4S

Q3BP

Galaxy PW

E: Additional battery cabinets.

F: The equipotential-bonding

connection between cabinets.

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Figure 3-3: Parallel UPS Unit Power Circuit Diagram.

Legend:

Q3BP

1: Normal AC source,

2: Bypass AC source,

A: Rectifier/charger module,

B: Inverter module,

C: Static-bypass module,

QF1 +

–

( )

Q5N

( )

D: Battery cabinet next to the

Galaxy PW™ UPS cabinet,

Q4S

E: Additional battery cabinets,

Galaxy PW

F: The equipotential-bonding

connection between cabinets.

QF1 +

–

Q5N

( )

Q4S

( )

Galaxy PW

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3.5

Connections Between Cabinets

These connections are made on the UPOZ board (marked T) and MUSI board (marked U). See Figure 2-3, page 2—5.

3.5.1 Connections Between UPOZ Boards

These connections are made using the cables (A) supplied, see Figure 3-4.

The purpose of the connection is to make a loop. Connector XM137 on the UPOZ board of one UPS unit must be

connected to connector XM136 on the UPOZ board of the next UPS unit and so on until the first board is returned

to origin.

Figure 3-4: Connections Between UPOZ Boards.

'UPOZ'

Galaxy PW 1

XM137

XM138

'UPOZ'

Galaxy PW 2

XM137

XM138

'UPOZ'

Galaxy PW 3

XM137

XM138

3.5.2 Connections Between UPS Cabinets and the Remote External Bypass

Refer to the installation drawing included with the Maintenance Bypass Cabinet for control and power connections.

These connections are provided and installed by the user.

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3.5.3 Connections Between MUSI Boards

These connections are made using the special cables (A) supplied, see Figures 3-5.

1. Connectors XM5, XM6 and XM7 on the MUSI board are used to transmit signals.

2. Connectors XM10, XM11 and XM12 on the MUSI board are used to receive signals.

3. Connector XM5 is associated with connector XM10 for communication with one UPS unit; similarly, XM6 is

associated with connector XM11 for communication with a second UPS unit and XM7 is associated with

connector XM12 for communication with a third UPS unit.

◗

For connection with two parallel UPS units, see Figure 3-5.

For connection with three parallel UPS units, see Figure 3-6, page 3—6.

For connection with four parallel UPS units, see Figure 3-7, page 3—6.

IMPORTANT

Outside the cabinets, group the "UPOZ" inter-board and "MUSI" inter-board

connections with the inter-cabinet auxiliary connections, and separate this

assembly using power cables.

Figure 3-5: Two Parallel UPS Units Connections.

'MUSI'

Galaxy PW 1

XM5

XM6

XM7

XM10

XM11

XM12

'MUSI'

Galaxy PW 2

XM5

XM10

XM11

XM12

XM6

XM7

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Figure 3-6: Three Parallel UPS Units Connections.

'MUSI'

XM5

XM6

XM7

Galaxy PW

XM10

XM11

XM12

'MUSI'

XM5

Galaxy PW

XM10

XM11

XM12

XM6

XM7

'MUSI'

XM5

Galaxy PW

XM10

XM11

XM12

XM6

XM7

Figure 3-7: Four Parallel UPS Units Connections.

'MUSI'

XM5

XM6

XM7

Galaxy PW

XM10

XM11

XM12

'MUSI'

XM5

Galaxy PW

XM10

XM11

XM12

XM6

XM7

'MUSI'

XM5

Galaxy PW

XM10

XM11

XM12

XM6

XM7

'MUSI'

XM5

Galaxy PW

XM10

XM11

XM12

XM6

XM7

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3.6

Environmental Signal of the Media Contacts 11 Board

Terminals XR2, XR3, XR4 and XR5 on the "Media Contacts 11" board of each type of unit can be used to receive

signals from the operating environment and to transmit signals concerning the operating status of the UPS, see

Figure 2-3, page 2—5 for the position of the board, item 1 and 2).

3.6.1 Signal Reception

The signals should be provided by volt-free contacts.

Emergency off:

An NC contact causes shutdown of the inverter and the rectifier/charger, opening of

the battery circuit breaker, blocking of the static bypass and activation of a relay

contact on the "Media Contacts 11" board.

Battery room

ventilation fault:

A ‘NO’ contact causes shutdown of the rectifier/charger.

Battery circuit

breaker QF1 closed:

A ‘NO’ contact prevents inverter start-up if the circuit breaker is open.

Battery temperature:

A PC-board, placed near the battery, supplies information on the battery tempera-

ture, thus enabling the rectifier/charger to regulate the battery voltage.

"Auxiliary" signals:

Depending on the selected settings, these signals may be used to provoke:

- forced shutdown of the inverter (whatever the status of the bypass AC source),

- protected shutdown of the inverter (load transfer to the bypass AC source).

- limiting of the current drawn by the rectifier/charger (programmable value) when

supplied by an engine generator set with an insufficient power rating. The additional

power required by the inverter is supplied by the battery which discharges,

- limiting of the battery charge current (programmable value) if the normal AC source

is replaced by an engine generator set with an insufficient power rating.

3.6.2 Signal Transmission

An auxiliary 24 V

power supply:

Isolated and backed up, is used to supply:

- the undervoltage release of the battery circuit breaker(s) QF1.

- the board that measures the temperature in the battery room.

"low battery"

warning signal:

(Volt-free changeover contact) indicating that battery time is about to run out.

The warning threshold may be personalized.

"load on UPS" signal:

(Volt-free changeover contact) indicating that the load is supplied by the

inverter. For a single-UPS unit, one volt-free changeover contact may be used

to indicate that the load is supplied by the bypass AC source.

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"load on battery power" signal: (Volt-free changeover contact) indicating that the inverter is supplied

by the battery in the following cases:

- normal AC source outage or voltage drop.

- rectifier/charger shutdown.

- rectifier/charger current limiting.

This signal, which may be used to initiate process saving and shutdown

procedures, is time-delayed 30 seconds to avoid unnecessary operations

following micro-breaks.

"Maintenance position" signal: (Volt-free changeover contact) indicating that:

- maintenance bypass switch Q3BP is closed,

- bypass AC source input switch Q4S is open,

- inverter output switch Q5N is open,

- battery circuit breaker QF1 is open.

Signal to open battery

circuit breaker(s) QF1:

In the event the "emergency off" button is pressed or to avoid an excessive

battery discharge (lasting more than three times the rated backup time plus two

hours).

Repo Contact:

(Volt-free changeover contact) used to trip switching devices in the event of an

emergency shutdown.

"General Alarm" information:

(Volt-free changeover contact) which includes:

- internal faults.

- information on temperatures outside tolerances in the battery room (optional).

- overload information (> In).

- static-switch ventilation and power-supply faults.

NOTE

The maximum breaking capacity of the changeover contacts is 5A at 250V.

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3.7

"Media Contacts 11" Standard Auxiliary Circuits Connection

Connecting the auxiliary circuits to the three connectors on the "Media Contacts 11" board in the Galaxy PW™ UPS

cabinet, see the position of this board, marked "O", see Figure 2-3, page 2—5.

Recommended cable cross-section: 1 mm . The male connectors that fit the female connectors on the board (XR2

to XR5) are supplied. The contacts are volt-free and are shown in the diagram under the following conditions: UPS

on, contact at rest. Contact breaking capacity: 250 V, 5 A.

Figure 3-8: Standard Auxiliary Circuits Connections.

Media Contacts 11 Board

XR2

XR3

12 - - - - - - - - - -1 10 - - - - - - - -1 10 - - - - - - - -1 10 - - - - - - - -1

XR2

XR3

XR4

XR5

XR4

XR5

XR2 connector

input or output signals:

XR1

circuit

emergency shutdown breaker circuit REPO

(jumper Y

harmonic filter

correction with optional electric boad for

measuring battery temperature

XA1 terminal block

-12V

thermal measuring

power supply

+12V

of the

harmoinc-filter

circulator

temperature

signal

harmoni

cs over-temperature fault

battery-room ventilation fault

XR3 connector

-12V

input or output signals:

battery cubicle

XA13 terminal block

free auxilary contact

QF1 battery

circuit breaker

closed

-12V

24V CC

-12V

OF1 battery circuit-breaker opening command

QF1 battery

circuit breaker

opening command

XR4 connector

output signals:

Optional alarm

EPO

XR4 connector

output signals:

load or inverter

load or battery

low-battery shutdown warning

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3.7.1 Battery Circuit Breaker "QF1" Connection

Connect the cable from connector XR3 (pins 2 to 8) on the "Media Contacts 11" board in the UPS cabinet to

connector XR1 in the battery cabinet containing battery circuit breaker QF1.

IMPORTANT

In the case of a complex installation with parallel units, there should be only one

emergency shutdown pushbutton and this pushbutton must interrupt all the units.

This pushbutton must therefore have as many contacts as there are units in the

installation. The emergency shutdown pushbutton turns off the rectifier/ chargers

and inverters, opens the battery circuit breakers (QF1), the input circuit breaker (Q1)

on the normal source, the backfeed protection contactor (K4S) on the bypass AC

source, blocks the static switches and activates a contact on the "Media Contacts 11"

board (terminals 1 to 3 on connector XR4).

3.8

Installation of the "Temperature Monitor" in the Battery Cabinet

The "Temperature Monitor" unit is placed inside the battery cabinet housing circuit-breaker QF1. See Figure 3-9.

1. Open the unit cover, and before fixing, break the self-cleaving seal on the base of the unit for insertion of the

connecting cable.

2. Fix the unit on the plate using the self-adhesive sticker and a screw (nut and washer combination, diameter 4

mm, length 16 mm, not supplied).

3. Connect and put back the cover. The temperature sensor MUST be placed at the top of the cabinet to work

properly.

4. Tie the connecting cable to the cabinet upright so that it does not pull on the unit.

Figure 3-9: Installing the "Temperature Monitor" in a Battery Cabinet.

Battery Cabinet

Temperature

Monitor unit

Tie the cable

to the cabinet

upright

QF1

to UPS Cabinet

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3.8.1 "Temperature Monitor" installation in a Battery Room

The "Temperature Monitor" should be secured against a wall or any vertical support. See Figure 3-10.

1. Choose a location near the batteries and away from draughts which adversely affect the accuracy of

temperature measurements. Dimensions: 75 x 75 x 21 mm.

2. Use the holes provided in the base plate to screw the unit to the vertical support, unless the connecting cable

runs on the surface, break the knock-out in the unit base plate provided for cable entry. Secure the cable by

suitable means so that it does not pull on the unit.

Figure 3-10: Temperature Monitor" Base.

Mounting Hole

board

Cable Entry

Mounting Hole

Dimensions: 75 x 75 x 21 mm

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3.8.2 Connection of the Battery "Temperature Monitor"

This unit must be connected to the XR2 connector on the remote indications "Media Contacts 11" board of the UPS

cabinets. For the location of the "Media Contacts 11" board, marked "O" see Figure 2-3, page 2—5.

Use a shielded cable made up of 2 twisted telephone pairs with a conductor cross-section of at least 0.1 mm , not

longer than 100 m in length. Do not forget to connect the cable shield to ground pin 12 on connector XR2;

In the case of a parallel UPS configuration, the connections between cabinets may be made by means of a shielded

cable made up of 1 or 2 twisted telephone pairs. In this case, the total length of all the connecting cables must not

exceed 100 m;

A "Temperature Monitor" unit can be connected to several UPS cabinets only when the batteries of these cabinets

are located in the same room at the same ambient temperature.

Figure 3-11: Single UPS Unit Connection of the Battery "Temperature Monitor".

Shielded cable

(2 twisted

Battery Temperature Monitor

telephone pairs)

XR2 connector on

'Media Contacts 11'

Board:

DC +

DC-

each

XR2

-12V

+12V

DC +

DC -

power supply

temperature

signal

XR1

+12

-12

(unit shown open)

Refer to Appendix C for link-up options using an IBM AS400 computer for additional monitoring capability.

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Figure 3-12: Connection of the Battery "Temperature Monitor." (In Parallel UPS Units with Batteries in Same Room.)

Shielded cable

(2 twisted

Battery Temperature Monitor

telephone pairs)

XR2 connector on

'Media Contacts 11' Board

in Galaxy PW unit 1:

DC +

DC-

each

XR2

-12V

+12V

DC +

DC -

power supply

temperature

signal

XR1

XR2 connector on

'Media Contacts 11' Board

in Galaxy PW unit 2:

+12

-12

(unit shown open)

each

Shielded cable

(1 or 2 twisted

telephone pairs)

DC +

DC -

temperature

signal

XR2 connector on

'Media Contacts 11' Board

in Galaxy PW unit n:

each

DC +

DC -

temperature

signal

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Figure 3-13: Connection to the "Media Contacts 11" Board.

Media Contacts 11 Remote Indicators Board

XR2

XR3

12 - - - - - - - - - -1 10 - - - - - - - -1 10 - - - - - - - -1 10 - - - - - - - -1

XR2

XR3

XR4

XR5

XR4

XR5

NOTE: the corresponding IBM AS400 signal names

are given in parapharase.

XR1

XR's connector

output signals:

load or inverter (ON)

load or battery (utility failure)

low-battery shutdown warning

(low battery)

load on bypass (bypass active)

commond W (system ground)

male 9-pin SUB-D

connector

male 15-pin SUB-D

connector

IBM AS400

Galaxy PW

3.9

About Final Installation Steps

After making the connections, install the front and rear base plates of the cabinets, clipping them to the feet of the

cabinets (unless the connecting cables are fed through these openings), and refit the terminal shields of the terminal

blocks, switches and circuit breakers.

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Operation

4.0

Scope

Operation describes the start-up for single and parallel units, modes of operation, normal specifications for operating

the Galaxy PW™ 100 to 225kVA, including display messages, measurement systems, alarms, batteries, and log

time stamping operations.

WARNING

Rectifier/charger start-up is automatic when normal AC input circuit breaker Q1

is closed. DC voltage is present in the DC bus.

4.1

Start-up of a Module

Rectifier/charger start-up is automatic when the normal AC input circuit breaker Q1 is closed. The green

"rectifier/charger" light 1 on the control panel goes on. Close battery circuit breaker QF1.

Figure 4-1: Control Panel and Circuit Breaker Diagram.

inverter (B):

DC to AC

power

rectifier/

charger (A):

AC to DC

power

isolation and

protection:

Q5N

normal

*FUSE

input (1)

isolation

and

QF1: isolation

protection

harmonic

fliter

and protection

154

W.Hz

battery (D):

backup power

isolation:

fault

Q4S

static bypass (C):

bypass

(2)

input

maintenance bypass:

Q3BP

4.1.1 Start-up of an Inverter

When the rectifier/charger is on, press the "inverter ON" button 7 on the control panel. The green "inverter" light

4 flashes.

4.1.2 Emergency Power Off (EPO)

The UPS emergency shutdown function is generally wired to a "mushroom-head" type emergency-off pushbutton.

In case of its use, the pushbutton contact has to reset.

IMPORTANT

After EPO/REPO, unit has to be reset by opening M2 feed (switch Q4S). Open

switch Q5N also, and then follow the procedure of single UPS for single unit or

parallel UPS for parallel units to start-up the system.

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4.1.3 Single UPS Unit

The inverter starts, then, if the bypass AC source transfer conditions are satisfied, the load is transferred to the

inverter, if the on-line mode is selected.

For on-line mode:

◗

The green "inverter" light 4 remains on.

The "static-bypass" light 3 goes off.

Figure 4-2: Single UPS Diagram .

4.1.4 Parallel UPS Unit

The inverter starts and awaits the start of the other inverters. When they are all on or enough have been started to

supply the rated load power, the output switch for each running inverter closes and the load is supplied with power:

◗

The green "static-bypass" light 3 goes off.

The green "inverter" light 4 on the control panels of the running inverters goes on.

Figure 4-3: Two Parallel Connected UPS Units.

Q3BP

Q5N

Galaxy 1

Galaxy 2

Figure 4-4: Four Parallel Connected UPS Units.

Q3BP

Q5N

Galaxy 1

Galaxy 2

Galaxy 3

Galaxy 4

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4.2

Operation in On-line Mode

4.2.1 Normal Operation

Normal AC source power is available, see Figure 4-5.

Lights 1 , 4 and 5 shine green on the control panel.

◗

-The power necessary for the load is provided by the normal AC source (1) through the rectifier/charger (A)

and the inverter (B). The rectifier/charger (A) also supplies the power to float charge and recharge the

battery if any.

The output voltage (DC) is regulated to supply:

◗

The float-charging or the recharging voltage for vented lead-acid or Ni/Cd batteries.

- a single charge voltage for sealed lead-acid batteries.

The voltages depend on the number of battery cells and the battery manufacturer. Factory set, they may also be

adjusted by support technicians.

An electronic board continuously measures the battery temperature and automatically adjusts the voltages.

NOTE

In parallel Galaxy PW™ systems, the power drawn by the load is equally shared

between the different units.

Figure 4-5: Normal Operation Indicator Diagram.

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4.2.2 Operation with the Normal AC Source Down

In the event of a normal AC source failure or voltage outside specified tolerances of 10% in amplitude ( 15%

optionally), the rectifier/charger (A) stops and the battery (D) supplies the necessary backup power to the load via

the inverter (B).

The battery, float-connected between the rectifier/charger and the inverter, discharges during this operating mode:

◗

lights 2 , 4 and 5 shine green.

The user is warned of battery operation by the slow beeping of the buzzer 6 , see Figure 4-6, and the message

"LOAD PROTECTED, BATTERY DISCHARGING", followed by the remaining backup time and the percent load.

This information is also available via volt-free changeover contacts for remote control devices.

Figure 4-6: Normal AC Source Indicator Diagram.

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4.3

Operation with the Normal AC Source Restored

When normal AC source power (1) is restored or its voltage returns to within specified tolerances, the system

automatically returns to its normal operating mode described above (on the condition it did not reach the end of

battery power). If the end of battery power was reached (with the resulting inverter shutdown), the rectifier/charger

(A) restarts automatically, but the inverter (B) must be restarted manually.

The rectifier/charger recharges the battery (D) which was discharged during the mains outage. During battery

charging, light 2 flashes green.

The message "BATTERY CHARGING" is displayed, together with the value of the recharging current and battery voltage.

Figure 4-7: Normal Operation Mode Indicator Diagram.

The battery charge cycle takes place in two steps: See Figure 4-8.

step 1: the battery is recharged at a constant current limited to 0.1C10 (i.e. 1/10th of the battery capacity specified

for a 10 hour discharge). The DC voltage increases with the battery charge until the charge level is reached.

step 2: the battery is recharged at constant voltage equal to the charge level. The charging current gradually

decreases until reaching a specified low value (floating current).

For vented lead-acid batteries, the rectifier/charger supplies the charging voltage for 0 to 255 hours (parameter

defined by the after-sales support department) and then the floating voltage. For sealed lead-acid batteries, the

charging and floating voltages are the same.

NOTE

If the normal AC source failure is shorter than 0 to 255 seconds (default value = 30

seconds) (parameter defined by after-sales support department), the charger

automatically supplies the floating voltage given the low battery discharge.

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Figure 4-8: Battery Charge Cycle Chart.

U charge/floating

(sealed batteries)

U/I

voltage

current

U "floating"

(vented batteries)

0,1 C10

current

limiting

constant voltage

decreasing current

4.4

Operation with Engine Generator Set

If a stand-by generator is included in the installation, it is generally started automatically in the event of a normal AC

source failure and connected to the main low voltage switchboard. It is disconnected when normal AC source power

is restored.

With such a system, the required battery time may be reduced to the time necessary for starting and bringing on

line the stand-by generator. The battery (D) supplies power to the inverter (B) during the transfers:

◗

Normal AC source to the generator.

Generator to the normal AC source.

◗

The transfer sequences described above (normal AC source ➜ battery, battery ➜ generator, generator ➜ battery,

and battery ➜ normal AC source) are fully automatic. They in no way affect the load and require no manual

operation by the user.

NOTE

To avoid load surges on the generator, the rectifier/charger is started with a 10

second maximum current consumption walk-in (lasting 3 to 10 seconds,

depending on the percent load).

To avoid overloading an undersized engine generator set, it is possible to set a

maximum power level drawn by the normal AC input. Any additional power

required is supplied by the battery. This modification can be made on site by an

MGE UPS SYSTEMS field engineer

Figure 4-9: Installation with an Engine Generator Set.

Galaxy PW

generator

main LV switchboard

Mains 2

Mains 1

HV system

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4.5

Battery Time

The available battery time during a normal AC source outage depends on the:

◗

Rated capacity of the battery.

Power consumed by the load.

Temperature of the battery.

Age of the battery.

The specified battery time corresponds to a minimum duration at full rated load.

The actual backup time can therefore be greater if the system operates below its full rated load during the normal

AC source outage. Operation on battery power can be extended beyond the specified time by reducing the load

power consumption (by disconnecting non-critical loads).

A "low battery" warning signal is sent via volt-free changeover contacts for remote control devices when the battery

voltage reaches a level slightly above the minimum level. This signal warns the user of the imminent end of battery

power. On the device itself, the buzzer beeps rapidly.

The message "LOW-BATTERY SHUTDOWN WARNING" is displayed, followed by the remaining backup time and

the percent load. Light 2 turns red and flashes.

Battery power stops when the voltage supplied by the battery reaches the minimum threshold. This results in

inverter shutdown and transfer of the load without interruption to the bypass AC source. Light 2 shines red (not

flashing). The message "LOAD NOT PROTECTED, ON-LINE MODE" is displayed and the buzzer sounds continuously.

If the bypass AC source also fails, the load is no longer supplied. The inverter automatically shuts down when the

time on battery power exceeds three times the specified backup time.

NOTE

The "low battery shutdown" warning signal can be sent with an adjustable time

delay prior to the effective end of battery power.

4.6

Inverter Shutdown or Overload

Devices or installations operating in on-line mode with a Bypass AC source.

Figure 4-10: Operating in On-line Mode Diagram.

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4.6.1 Single UPS Unit (On-line mode)

In the event of a UPS shutdown (initiated by the user or by an internal protective device), the load is automatically

transferred to the bypass AC source. If transfer conditions are satisfied, transfer takes place instantly, without inter-

ruption to the load.

NOTE

Transfer conditions are not satisfied when bypass AC source characteristics are

outside tolerances (voltage: 10%. frequency as per personalization. phase sync

with inverter 3°).

In the event of a major transient overload (greater than 1.65 In), immediate transfer takes place as above, without

interruption to the load.

The return to the inverter is automatic when the overload disappears if the number of possible returns has not been

reached (0 to 255, programmable by personalization). If this number has been reached, the load continues to be

supplied by the bypass AC source. This operating mode allows start-up of load devices causing high inrush currents.

This system requires satisfied transfer conditions. If the conditions are not satisfied, the inverter will current limit to

165% of its rated current for 1 second before stopping.

In the event of a small but extended overload (i.e. a continuous level of power exceeding the full rated load), the

inverter will continue to supply power for a period depending on the magnitude of the overload (10 minutes for a

125% overload, 1 minute for a 150% overload). See the overload curve in Figure 4-11.

◗

In all the above cases, inverter shutdown and supply of the load via the bypass AC source results in the

following on the control panel:

- light 4 goes off,

- activation of the buzzer (continuous beep),

- light 3 shines green,

- the message "LOAD NOT PROTECTED, ON-LINE MODE" is displayed.

4.6.2 Parallel UPS Without Redundancy

WARNING During maintenance operation, when CB1 (MBP) is closed and CB2 (UPS

ISOLATION) is open, each UPS control panel display will show a message

“LOAD PROTECTED” when the UPS is placed in ON-LINE MODE. In this

mode the critical load is not protected because it is supplied by the mainte-

nance bypass power.

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The shutdown of one inverter results in overload on the other inverters in operation. Two cases may then arise:

A) if the overload on each remaining inverter is > than 1.65 in, the load is immediately transferred to the bypass

AC source.

B) if the overload is less than 1.65 in, the remaining inverters support the overload (see curve in Figure 4-11), and

the load is transferred to the bypass AC source.

After this transfer:

- the light 4 goes off,

- the buzzer is activated and sounds continuously,

- the light 3 goes on and turns green,

- the message "LOAD NOT PROTECTED, PARALLEL ON-LINE MODE" is displayed.

Figure 4-11: Overload Curve Diagram.

1,5 In

1,35 In

1,25 In

1,15 In

1,10 In

1,05 In

120 t (min)

4.6.3 Parallel UPS With Redundancy

The shutdown of one UPS unit is of no consequence for the load. The others each take up an equal amount of load

power and the load continues to be supplied normally.

◗

Unit shutdown results in the following on the control panel:

- Lights 4 and 5 go off,

- Activation of the buzzer (continuous beep),

- The message "LOAD NOT PROTECTED, PARALLEL ON-LINE MODE" is displayed.

- In the event of an overload, the system only loses its redundancy as long as the overload is less than the

total rated power of the functioning units. If the overload is greater, the operating mode is that previously

described for systems without redundancy.

4.7

Output Voltage Quality and Continuity

The output voltage is stable in amplitude and frequency and is free of interruptions or transients outside specified

tolerances, irrespective of normal AC source or load disturbances (outages, load step changes, etc.).

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4.7.1 Steady State Voltage Regulation

For stable or slowly varying load conditions, the inverter output voltage is regulated to within 0.5% in amplitude.

The frequency of the output voltage can theoretically be regulated to within 0.1% of the rated value, however the

output frequency range may be intentionally extended to a maximum of 2 Hz so that the inverter can remain

synchronized with the bypass AC source and its inherent frequency fluctuations, thus enabling transfer of the load

to the bypass line at any time.

When the bypass AC source frequency returns to within the specified tolerances, the inverter is gradually re-

synchronized to the bypass line at a rate of 0.5 Hz to 2 Hz/s (as per the value personalized by the after-sales

support department), thus avoiding exposing the load to sudden frequency variations.

4.7.2 Transient Voltage Regulation

The inverter output voltage is not notably affected by instantaneous major variations in load characteristics.

This is made possible by the PWM (Pulse Width Modulation) chopping technique and the microprocessor-based

regulation system that instantly compensates for any variation. In particular, the inverter output voltage remains

within +/- 2% of the rated voltage for load step changes of 0 to 100% or of 100 to 0%.

The battery charge cycle takes place in two steps:

step 1: The battery is recharged at a constant current limited to 0.1C10 (i.e. 1/10th of the battery capacity specified

for a 10 hour discharge). The DC voltage increases with the battery charge until the charge level is reached.

step 2: The battery is recharged at constant voltage equal to the charge level. The charging current gradually

decreases until reaching a specified low value (floating current).

For vented lead-acid batteries, the rectifier/charger supplies the charging voltage for 0 to 255 hours (parameter

defined by the after-sales support department) and then the floating voltage. For sealed lead-acid batteries, the

charging and floating voltages are the same.

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4.8

Measurement System

The display may be used to read a number of input and output measurements made at different points in the system.

See Figure 4-12.

◗

Normal AC source 1

- phase-to-phase voltages,

- currents of the three phases,

- frequency.

◗

Inverter output 4

- frequency

◗

Total load 6

- phase-to-neutral voltage.

- phase-to-phase voltages.

- currents of the three phases.

- frequency.

◗

Bypass AC source 2

- phase-to-neutral voltage,

- phase-to-phase voltages,

- frequency,

- active and apparent power.

- currents of the three phases.

Battery 3

◗

- voltage.

- charge or discharge current.

- remaining battery time (for the UPS unit concerned).

- battery temperature.

Figure 4-12: Measurement System Diagram.

U - I - F

U - I

U - V - I - F - P

Q5N

QF1

U - V - I - F

Q4S

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4.8.1 Voltage Measurements

These measurements may be accessed by pressing the "V" key 13 . The following data is displayed.

Note:

RMS

U12

U23

U31

----

LOAD RMS

----

LOAD

----

M1: normal AC source

M2: bypass AC source

----

4.8.2 Current Measurements

These measurements may be accessed by pressing the "A" key 14 . The following data is displayed.

Note:

RMS

U12

U23

U31

----

LOAD RMS

----

LOAD

----

CF: crest factor

----

4.8.3 Power and Frequency Measurements

These measurements may be accessed by pressing the "W.HZ" key 15 .

The following data is displayed.

Note:

PF: power factor

RMS

U12

U23

U31

----

LOAD RMS

----

LOAD

----

4.8.4 Battery Measurements

These measurements may be accessed by pressing the "battery" key 18 . The following data is displayed.

RMS

U12

U23

U31

----

LOAD RMS

----

LOAD

----

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4.9

Selections and Settings

These selections and settings may be accessed by pressing the "contrast" key 12 .

The following menu is displayed:

CHOOSE LANGUAGE

CONTRAST SETUP

BUZZER SETUP

LAMP TEST

DATE AND TIME

INVERSE VIDEO

PAST EVENTS

BATTERY TEST

◗

Selecting the language:

FRENCH

ENGLISH

GERMAN

ITALIAN

SPANISH

DUTCH

SWEDISH

PORTUGUESE

Adjusting the display contrast:

DISPLAY CONTRAST SETUP

CHOOSE WITH KEYS ▲ OR ▼

VALIDATE WITH KEY ø

Adjusting the buzzer volume:

BUZZER VOLUME SETUP

CHOOSE WITH KEYS ▲ OR ▼

VALIDATE WITH KEY ø

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◗

Lamp test:

When this function is selected, all the lights shine orange for three seconds.

Set Date and Time:

◗

Use the "▲▼" keys to enter the data and confirm using the "ø" key.

DATE AND TIME SETUP

YEAR

DAY

----

MONTH

HOURS

MINUTES

SECONDS --

◗

Inverse Video:

When this function is selected, the text and background colors are reversed (white text on black or black

text on white).

◗

Past Events:

See section 3.15 "logging and Time-Stamping" for event details.

CHARGE LEVEL

-- %

REMAINING SERVICE LIFE

■ MANUAL TEST press key ø

= -- MONTH

■ AUTO TEST

press key ø

◗

Battery test:

the screen opposite is displayed when a battery test is requested. It indicates the battery charge status and

the remaining service life. A manual or automatic test may be requested.

- this screen is displayed during a battery test, whether manual or automatic,

TESTING BATTERY

U BATTERY =

--- V

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- this screen is displayed following a positive, manual battery test:

BATTERY TEST RESULT OK

- this screen is displayed following a negative, manual battery test:

BATTERY TEST RESULT NOT OK

- this screen is displayed following a positive, automatic battery test. It indicates the time since the last test and

provides access to test settings:

TIME SINCE LAST TEST

WEEK -- DAY -- HOUR --

LAST BATTERY TEST RESULT OK

NEW PARAMETERS

YES = ▲

NO = ▼

- this screen is displayed following a negative, automatic battery test. It indicates the time since the last test

and provides access to test settings,

TIME SINCE LAST TEST

WEEK -- DAY -- HOUR --

LAST BATTERY TEST RESULT NOT OK

NEW PARAMETERS

YES = ▲

NO = ▼

- this screen is displayed when the user requests access to the automatic test settings. It is possible to modify

the interval between two automatic tests,

SELECT TIME OF NEXT TEST WITH KEYS ▲ ▼

CHANGE UNITS WITH ø

WEEK -- DAY -- HOUR --

confirm with key

- this screen is displayed when the battery test cannot be completed.

TEST INTERRUPTED

CHECK PRESENCE OF THE BATTERY

CHECK ALARMS

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4.10

Alarms

The auto diagnostic system considers any system status other than normal as a problem.

Before taking any action, note down the messages displayed on the control panel.

Certain problems may prevent the control panel from functioning.

In this case, it is strongly recommended to call the MGE UPS SYSTEMS Customer Support Service at:

1-800-438-7373

A) If the load is still correctly supplied with power, it has probably been transferred to the bypass AC source (static

bypass) and is therefore no longer protected (if the system is in on-line mode).

B) If the load is no longer supplied with power, transfer it manually to the maintenance bypass.

Figure 4-13: Display of Alarm Messages..

primary message

(ALARM MESSAGE N° 1)

(ALARM MESSAGE N° 2)

(LAST ALARM MESSAGE)

main screen

4.11

Maintenance Bypass Option

The Maintenance bypass option provides a direct bypass AC input source (mains 2) that can be used to supply the

critical load while the UPS is being serviced.

This operation is possible only if the system includes a bypass AC source. It results in the load being directly

supplied by the Bypass AC source via Maintenance Bypass switch Q3BP, thus ensuring a higher level of security in

the event of a malfunction.

Switching procedures are explained on drawings next to each switch in the UPS cabinet and the External Bypass unit.

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4.12

Logging and Time-Stamping

4.12.1 Event Time-Stamping

Time-stamping of events by Galaxy PW™ makes it possible to:

Log the events.

Consult the last 500 events that occurred on the Galaxy PW™ UPS.

Consult general statistical data on UPS operation.

Consult measurement records for a number of physical values concerning system operation.

◗

The time-stamping information may be accessed via the Galaxy PW™ keypad and display (standard equipment).

This information may also be forwarded for the Teleservice function using the JBUS RS232/485 communications

board. When the optional JBUS RS232/485 communications board is installed, the time-stamped information can

be sent to the Teleservice center. Refer to Utilization of Teleservice Card options Appendix B.

4.12.2 Consulting Logged (time-stamped) Events

When the PAST EVENTS command is selected, the system displays a screen indicating the last event logged. Log

screens are very similar to those displayed for current events. However, log screens include a line indicating the

corresponding date and time with the mention "Appearance of" or "Disappearance of", followed by the standard text

for the event (see example opposite). Consult the user manual for indications on the meaning of events.

The complete log may comprise up to 500 events. If over 500 events have occurred, only the last 500 may be

consulted:

1. Press the ▼ key to display the event that occurred just before the displayed event. If the displayed event is the

oldest in the list, the display is not modified.

2. Press the ▲ key to display the event that occurred just after the displayed event. If the displayed event is the

most recent in the list, the display is not modified.

Example:

02/09/1997 07:25:03 Appearance:

MAINS 2 INPUT SWITCH Q4S IS OPEN

Note: numerical values are never indicated in screens for time-stamped events.

Example:

03/09/1997 15:30:23 Disappearance:

OVERLOAD

RATED CURRENT PER PHASE

= _ _ _ A

CHECK LOAD LEVEL

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4.13

Setting the Date and Time for the UPS - Utilization Via the Galaxy PW™ Display

The time and date can be set for the UPS via the main menu on the display (see below), using the DATE AND TIME

command. The time-stamping information, statistics and measurement records are also available via the same

menu, using the PAST EVENTS command.

Simply select the desired command with the ">" sign that can be moved using the ▲ and ▼ keys. The selected

command can be confirmed by pressing the

key.

When the DATE AND TIME command is selected, the date and time is displayed in the order of year, month, day,

hours, minutes, and seconds. When you leave this command, the date and time is displayed in the reverse order.

DATE AND TIME SETUP

>YEAR

DAY

1997

MONTH

HOURS

MINUTES

SECONDS 42

▲ ▼

The current values are automatically displayed.

Modify any of the displayed values by:

1. Position the ">" sign opposite the value to be modified. Then press the ø key.

2. Use the ▲ and ▼ keys to modify the value.

3. Use the ▲ key to increment the value by one.

4. Use the ▼ key to decrement the value by one.

The selected value can be confirmed by pressing the ø key. A second value may then be selected for

modification, again using the ▲ and ▼ keys. Modifications are made and confirmed value by value.

5. Press the

key at any time to exit the DATE AND TIME function.

That is the only means to leave the function. If no modifications to values are confirmed, exiting the function

corresponds to cancelling the request.

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4.14

Consulting Statistics

FIGURES SINCE COMMISSIONING

total backup time (h):

total time on static switch (h):

total time on UPS (d):

3627

total time with Tbatt >25°C (h):

FIGURES SINCE RESET

last reset:

05/09/1997

elapsed backup time (min):

Legend:

total backup time (h): This is the total time of operation on battery power since initial startup of the UPS. It

is expressed in hours.

total time on static

switch (h):

This is the total time of operation on the static switch since initial startup of the UPS.

It is expressed in hours.

total time on UPS (d): This is the total time that the load has been supplied by the UPS since initial startup.

It is expressed in days.

total time with

Tbatt > 25°C (h):

This is the total time of operation with the battery temperature greater than 25°C

since initial startup of the UPS. It is expressed in hours.

last reset:

This is the date that the information was last set to zero by the Teleservice function.

elapsed backup

time (min):

This is the total time of operation on battery power since the last reset. It is expressed

in minutes.

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FIGURES SINCE RESET

nb of backups:

nb of backups < 1 min:

1 min < nb of backups < 3 min:

nb of backups > 3 min:

nb of overloads < 5 s:

nb of overloads > 5 s:

nb of times TBatt. > 25°C:

Legend:

nb of backups:

This is the number of times the load was supplied by the UPS from battery power

since the last reset.

nb of backups < 1 min: This is the number of times the load was supplied by the UPS from battery power for

less than one minute, since the last reset.

1 min < nb of

This is the number of times the load was supplied by the UPS from battery power

for more than one minute and less than three minutes, since the last reset.

backups < 3 min:

nb of backups > 3 min: This is the number of times the load was supplied by the UPS from battery power for

more than three minutes, since the last reset.

nb of overloads < 5’s: This is the number of times the UPS was overloaded (output current greater than In)

for less than five seconds, since the last reset.

nb of overloads > 5’s: This is the number of times the UPS was overloaded (output current greater than In)

for more than five seconds, since the last reset.

nb of times

This is the number of times the battery temperature was measured at over 25°C,

since the last reset.

TBatt. > 25°C:

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Installation and User Manual

4.14.1 Consulting Recorded Measurements

Recorded measurements are presented in the same manner (see below):

◗

the lists indicate the last 30 measurements recorded for the given parameter. The chronological order of

the measurements is indicated in the Figure opposite.

the most recent measurement is presented first, in the upper left-hand corner of the list. The following

measurement is listed just below, and so on until the 30th value listed in the bottom right-hand corner of

the list.

◗

the period T between two successive measurements is 30 days. The displayed measurements are instan-

taneous values.

PARAMETER NAME (units)

T=30 days

▼ last read: 05/09/1997

M(t+29T)|M(t+23T)|M(t+17T)|M(t+11T)|M(t+05T)

M(t+28T)|M(t+22T)|M(t+16T)|M(t+10T)|M(t+04T)

M(t+27T)|M(t+21T)|M(t+15T)|M(t+09T)|M(t+03T)

M(t+26T)|M(t+20T)|M(t+14T)|M(t+08T)|M(t+02T)

M(t+25T)|M(t+19T)|M(t+13T)|M(t+07T)| M(t+T)

M(t+24T)|M(t+18T)|M(t+12T)|M(t+06T)|

M(t)

NOTE

when this screen is selected, approximately ten seconds are required to call up

and display the information. If the number of measurements is greater than 30,

only the last 30 (the most recent) are displayed.

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Galaxy PW™ UPS 100 to 225kVA

The battery capacity is the value measured by the UPS microprocessor. It is expressed in Ampere-hours. This

value changes over time depending on the parameters of the battery itself and its environment. This measurement

is used to check that the battery is capable of supplying the rated power in the event of a mains outage.

BATTERY CAPACITY (Ah)

T=30 days

▼ last read: 05/09/1997

97 |

96 |

95 |

94 |

0 |

The backup time is the value calculated by the UPS microprocessor on the basis of measurements carried out on

the battery. It is expressed in minutes. The calculation uses the percent load and the battery charge status at the

time of the measurement.

BACKUP (min)

T=30 days

▼ last read: 05/09/1997

120 |

115 |

110 |

105 |

0 |

The load level is the ratio between the power supplied by the UPS to the load at the time of the measurement and

the rated output of the UPS. It is expressed as a percentage.

OUTPUT LOAD LEVEL(%)

T=30 days

▼ last read: 05/09/1997

63 |

52 |

63 |

0 |

4 — 22

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Maintenance

5.0

5.1

Scope

Maintenance procedures include preventive maintenance, isolation procedures for maintenance, startup for single

and parallel units after isolation, functional and visual checks, software options and configurations, and testing

scenarios.

Preventive Maintenance

The following preventive maintenance routines should be considered the minimum requirements; your installation

and site may require additional preventive maintenance to assure optimal performance from your installed Galaxy

PW™ and associated equipment. These routines should be performed twice a year (more often if required). We

strongly recommend contracting MGE Customer Support Services for preventive and remedial maintenance.

The technician or electrician performing preventive maintenance on the UPS must read thoroughly this manual

Galaxy PW™ Installation and Users Manual (MGE PN 86-133060-00) and be familiar with the indicators, controls,

and operation of the UPS prior to maintenance.

Technician or Engineer checks for preventive maintenance:

a. Isolate and de-energize all Galaxy PW™ equipment for all maintenance operations.

b. Ensure that all equipment is clean and free of loose dust, dirt, and debris. The exterior of the enclosures may

be cleaned with a mild solution of soap and water, lightly applied with a lint-free cloth.

c. Inspect the air intake and exhaust plates and clean as required. Verify that air flows freely through the

equipment. Clean the air intake and exhaust plates, and the enclosure interior, with a vacuum cleaner.

d. The Galaxy PW™ module is equipped with air filters that should be changed at regular intervals. Inspect the

filters regularly to determine how long the filters will last in your installation.

e. Initiate the start-up procedure, as described in the Installation and Users Manual section 2.7 System Start-up,

page 2—10.

f. Test the main operating sequences as applicable to your equipment configuration and installation.

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Galaxy PW™ UPS 100 to 225kVA

5.2

Replacement Parts

There are no user replaceable parts inside the Galaxy PW™.

Three levels of replacement parts are available for the Galaxy PW™ UPS. The three levels are designated A, B,

and C. The level that you should keep on hand for your installation will vary depending on the type of maintenance

planned on site, and the configuration of your UPS system. Having the replacement parts on hand will prevent any

unacceptable delays (due to time involved obtaining spare parts) during critical periods, such as system start-up.

Any items used during start-up will be replaced by MGE at no charge. Contact MGE Customer Support Services for

specific recommendations.

A description of each level is provided below:

Level

Description

This level of replacement parts consists of consumable items, specifically fuses and air filters. It is

recommended to have these items on hand during installation of the UPS systems, including initial

start-up.

This level of replacement parts is recommended when the user can tolerate short-duration UPS down-

time to obtain replacement parts in the event of a major UPS failure. This level of replacement parts

consists of consumable items, specifically fuses, air filters, an inverter leg, and the most critical circuit

board assemblies.

This level of replacement parts is recommended when the user can tolerate only a minimum of down-

time in the event of a major UPS failure. This level of replacement parts consists of consumable items,

specifically fuses, air filters, an inverter leg, and a complete set of circuit board assemblies.

5.2

Maintenance Isolation Procedures

CAUTION PARALLEL UPS WITH EXTERNAL MAINTENANCE BYPASS During mainte-

nance operation, when CB1 (MBP) is closed and CB2 (UPS ISOLATION) is

open, each UPS control panel display will show a message “LOAD

PROTECTED” when the UPS is placed in ON-LINE MODE. In this mode the

critical load is not protected because it is supplied by the maintenance

bypass power.

5.2.1 Single UPS Unit

During maintenance, the UPS must be isolated from the normal and bypass AC source, the battery and the load.

UPS Isolation

Proceed in the following order: (see Figure 5-2):

1. Shut down the inverter (press the "inverter OFF" button 8 for three seconds),

2. Close bypass switch Q3BP,

3. Open isolating switches Q5N, Q4S, QF1 and Q1.

The UPS is powered down once the capacitors have discharged (a few minutes).

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Maintenance

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Start-up

Following servicing, proceed in the following order: (See Figure 5-3)

1. Close switch Q1, then after approximately ten seconds, switches QF1, Q5N and Q4S,

2. 0pen bypass switch Q3BP,

3. Start the inverter (press the "inverter ON" button 7 ).

Figure 5-1: UPS Isolation Diagram for Normal AC Bypass Source.

Q5N

QF1

Q4S

Q3BP

Figure 5-2: Panel Procedures for UPS Isolation.

Q4S

Q3BP Q5N

QF1

Figure 5-3: Start-up After Isolation Procedure is Completed.

Q4S

Q3BP Q5N

QF1

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CAUTION

Work should be carried out in accordance with applicable safety regulations. to

avoid interrupting the load, the various switching operations must be carried out

in the correct order. Operations are explained in diagrams placed next to the

switches. the system cabinet is only partially powered down. The load is still

supplied via the bypass AC source and switch Q3BP.

5.3

Steps for Parallel UPS Redundancy to Increase Output

PARALLEL UPS WITH EXTERNAL MAINTENANCE BYPASS During mainte-

CAUTION

nance operation, when CB1 (MBP) is closed and CB2 (UPS ISOLATION) is

open, each UPS control panel display will show a message “LOAD

PROTECTED” when the UPS is placed in ON-LINE MODE. In this mode the

critical load is not protected because it is supplied by the maintenance

bypass power.

First Isolate all UPSs: (Refer to section 5.2, page 5—2)

See Figure 5-6.

Proceed in the following order: (See Figure 5-4)

1. Shut down the inverters (press the "inverter OFF" buttons 8 for three seconds).

2. Close switch Q3BP and open switch Q5N in the external bypass unit.

3. Open switches Q1, QF1, and Q5N on the UPS units.

Figure 5-4: Isolate All UPS’s Procedures Diagram.

Galaxy PW

external bypass

Q3BP

Q4S

Q5N

QF1

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Maintenance

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Start-up

Following servicing, proceed in the following order: (see Figure 5-5)

1. Close switches Q5N on the UPS units.

2. Close switch Q5N in the external bypass unit.

3. Open switch Q3BP in the parallel-connection unit.

4. Close switches Q1 and QF1 on the UPS units.

5. Start the inverters (press the "inverter ON" buttons 7 ).

Figure 5-5: Start-up Procedure After Isolation Diagram.

Q4S

Q5N

external bypass

Q4S

Q5N

Q3BP

QF1

Figure 5-6: Redundancy for Increased Output Diagram.

Q3BP

Q5N

QF1

Q4S

Galaxy 1

Galaxy 2

Galaxy 3

Galaxy 4

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Galaxy PW™ UPS 100 to 225kVA

5.4

Battery Maintenance

Consult the instructions supplied by the battery manufacturer. Below are a few general indications:

◗

Sealed lead-acid Batteries:

- these batteries require no maintenance, but check the terminals of each cell from time to time and clean

if necessary.

◗

Vented lead-acid Batteries:

- check the electrolyte level regularly and add water if necessary,

- check the voltage of each cell to determine if it is necessary to equalize the battery,

- check the terminals of each cell and clean if necessary.

5.5

Visual Check

Power down the system prior to any maintenance operations.

NOTE

In redundant parallel UPS systems the check may be carried out successively on

each UPS unit without interrupting the load. In other configurations, the load

must be supplied via the maintenance bypass (see "maintenance bypass" in the

"Alarm" section).

1. Clean the system regularly, particularly the air filter inlet and outlet grills. Check that the air circulates freely in

the cabinets. Use a vacuum cleaner if necessary.

2. Check that nothing hinders the ventilation at the top and at the back of the system.

5.6

Functional System Checks

1. Check that lights 1 , 2 and 3 on the control panel are not red, to avoid an interruption in the supply of power

to the load due to incorrect transfer conditions or a battery problem.

2. Press the "inverter OFF" button and check that the buzzer and control panel lights function correctly (see the

section on operating modes in the introduction).

3. Press the "inverter ON" button and check again that the control panel lights function correctly.

4. Run a transfer to battery test. With the inverter on, open input circuit breaker Q1. The orange "battery" light on

the control panel should light. After two minutes on battery power, close input circuit breaker Q1. The

rectifier/charger should automatically restart and the orange "battery" light on the control panel should go off.

5 — 6

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5.7

Testing Parallel Systems

5.7.1 Galvanic Isolation and Voltage Matching Transformers

The UPS can be equipped with an isolation or auto transformer on both the input and output to provide galvanic

isolation or voltage step-up or step-down as required.

5.8

Management of Computer Networks

5.8.1 Integrated SNMP Agent

This electronic board, installed in the UPS system, enables direct connection to all Ethernet networks using TCP/IP.

The UPSs may then be supervised via the computer network. Furthermore, they can be used to close system files

without having to add an external SNMP agent.

This board is fully compatible with "Solution Pac™" software.

The RJ45 connector of the communications option delivers information using the SNMP protocol. The sticker

located on the board indicates the UPS MAC address.

Figure 5-7: MAC Address Sticker.

0080C8ABAA01

◗

The MAC address is written in the following way: 0080C8 ZZ XX YY.

The default IP address is 168.8.xx.yy (xx and yy are decimal values of XX and YY).

For example, MAC address 00 80 C8 AB AA 01 is related to IP address 168.8.170.1.

Please refer to the "userman.doc" user manual contained in the directory "emb/galaxy/snmp/release3.xx" of the

Solution-Pac CD-ROM in order to discover the management capabilities of your SNMP Galaxy PW™ UPS.

Please contact your sales representative for more detailed information.

5.8.2 Two-channel Network Board

This electronic board comprises two ports, each of which may be user set, either for the U-Talk protocol or as a relay

contact.

A) U-Talk is the protocol required to establish contact with the communications software.

B) Relay contacts may be used for specific network applications (IBM AS400, Novell, etc.).

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Maintenance

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5 — 8

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Appendices

Appendix A

Front Control Panel Display Definitions

"Rectifier/charger" light

◗

light off: rectifier/charger OFF.

light shines green: rectifier/charger ON.

light shines red: rectifier/charger fault, the stored alarm indicates one or several of the following faults:

- input circuit breaker Q1 open,

- protection fuse at the rectifier/charger input (FUE) blown,

- abnormally high internal rectifier/charger temperature,

- abnormally high battery charge current,

- abnormally high battery voltage,

- fault, non-calibration or non-personalization of the electronic control board for the rectifier/charger,

- fault on the electronic power-supply board,

- abnormally high temperature in the harmonic filter inductor.

"Battery light"

◗

light off: battery float charging.

light flashing green: battery recharging.

light shines green: load on battery power.

light flashing red: low-battery shutdown warning.

light shines red: battery at end of backup time and circuit breaker QF1 open, or battery fault.

"Static-bypass" light

◗

light off: bypass AC source within specified tolerances and static bypass open.

light shines green: static bypass closed.

light shines red: the stored alarm indicates one or several of the following faults:

- bypass AC source voltage or frequency outside specified tolerances,

- static-bypass fault,

- abnormally high internal static-bypass temperature,

- static-bypass ventilation fault,

- power-supply fault for the static-bypass control function,

- fault on the electronic board controlling the transfer function,

- non-calibration or non-personalization of the electronic control board for the inverter,

- fault on the electronic power-supply board,

- fault on monitoring the "inverter ready" response channels (parallel UPS system).

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Galaxy PW™ UPS 100 to 225kVA

"Inverter" light

◗

light off: inverter OFF.

light flashing green: inverter starting, inverter ON but not connected to the load.

light shines green: normal inverter operation.

light shines red: inverter fault, the stored alarm indicates one or several of the following faults:

- inverter shutdown due to inverter output voltage outside specified tolerances,

- protection fuse at the inverter output (FUS) blown,

- abnormally high inverter-output transformer temperature,

- abnormally high inverter temperature,

- output-voltage fault (amplitude or phase) (parallel UPSs),

- fault, non-calibration or non-personalization of the electronic control board for the inverter,

- fault on the electronic power-supply board.

"Load" light

◗

light off: load not supplied.

light shines green: load supplied via the inverter or the bypass AC source (via the static bypass).

◗

Buzzer

The buzzer sounds in the following situations:

◗

load supplied by the bypass AC source.

load on battery.

operating problems.

It sounds slowly and discontinuously for a minor problem or when the inverter is on battery power.

When the alarm "LOW BATTERY SHUTDOWN" is activated, the buzzer sounds more rapidly. Finally, if the inverter

shuts down, the beep is loud and continuous. The buzzer may be reset by pressing a button. If the buzzer is reset,

a higher level alarm will set it off again.

"Inverter ON" button

"Inverter OFF" button

This button is used to start the inverter locally.

This button turns the inverter off locally.

9 -10 Keys

These keys are used to select commands in the main menu and access the secondary

messages.

Key

This key is used to validate the user’s choice.

This key is used to access the main menu: display language, display-contrast setting,

sound level of the buzzer, lamp test, date and time settings, inverse-video and event log.

A — 2

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"V" Key

This key is used to access voltage measurements:

◗

normal AC source phase-to-phase voltages.

◗

bypass AC source phase-to-phase and phase-to-neutral voltages.

load phase-to-phase and phase-to-neutral voltages.

"A" Key

This key is used to access current measurements:

◗

normal AC source, bypass AC source and load currents.

percent load.

load crest factor.

"W.Hz" Key

This key is used to access other measurements:

◗

normal AC source, bypass AC source and inverter frequencies.

level of active and apparent power drawn by the load.

load power factor.

inverter load level (percent).

"Anomaly" indicator light

This indicator light indicates the presence of anomalies.

This key is used to access the primary messages.

⁄

Key

"Battery" Key

This key is used to access battery measurements:

◗

battery voltage (or the DC voltage on frequency converters without a battery).

battery current (charge or discharge).

battery temperature.

available battery backup time.

inverter load level (percent).

"Forced-transfer"

This key is used to voluntarily transfer the load to the inverter or from the inverter to the static bypass

(return transfer). Transfer and return transfer are carried out only following confirmation requested by the

display and a warning as to the risk of an interruption in the supply of power to the load.

"Alarm reset"

This key is used to reset stored alarms. The system accepts resetting only when alarms

have been cleared.

"Buzzer reset"

Display

This key is used to stop the buzzer. However, new alarms set the buzzer off again.

The display continuously indicates the system operating status.

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Galaxy PW™ UPS 100 to 225kVA

Display of Primary and Secondary Messages

The display is structured around primary and secondary messages, measuring tables and setting screens. As a rule,

the message displayed on the screen is always a primary one. The secondary messages, if any, are accessed by

pressing keys 9 ▲ and 10 ▼. See Figure 2-6, page 2—8.

The presence of secondary messages is indicated by the arrow Ø at the end of the primary message. Return to

the primary messages is automatic if the keypad is not used for 2 minutes, or direct by pressing key 17 The display

screen lights up when a key is pressed, and goes off if no key is pressed for 5 minutes.

NOTE

Most functions may be directly accessed. For example, when voltagemeasure-

ments are currently displayed, it is possible to directly access current

measurements by pressing the "A" button.

In addition to keypad operations, the graphical display brings up a window giving the overall device status. The

message displayed is then said to be primary (see list in the paragraph below). A primary message can be used to

access the measuring tables using keys 13 , 14 , 15 and 18 on the keypad The configuration screens can be

accessed by pressing key 12 .

A flashing arrow appears at the end of a primary message if there is a problem or an alarm. secondary messages

can be accessed by pressing key 9 on the keypad (see the list of secondary messages). The presence of another

message is indicated by the arrows Ø and ≠ at the end of the secondary message. They can be accessed by

pressing keys 9 and 10 on the keypad.

The return to the primary message is automatic after a 2 minute time delay or by pressing key 17 on the keypad.

IMPORTANT

Select English U. S. as the display language to match the displays as presented

in this manual.

A — 4

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Primary Messages

LOAD PROTECTED

ON-LINE MODE

This is the normal display when there are no alarms or problems and the load is correctly supplied by the inverter,

in on-line mode.

LOAD PROTECTED

PARALLEL ON-LINE MODE

This is the normal display when there are no alarms or problems and the load is correctly supplied by the inverter

in a parallel UPS system, in on-line mode.

LOAD NOT PROTECTED

ON-LINE MODE Ø

This display indicates that the load is not supplied by the inverter, or that there is no battery backup. The arrow Ø

indicates the presence of one or more problems specified in secondary messages.

The buzzer sounds continuously.

LOAD NOT PROTECTED

PARALLEL ON-LINE MODE Ø

Situation identical to that in the previous screen, but for parallel UPS systems.

LOAD PROTECTED

BATTERY DISCHARGING

Remaining battery time (min) = XX

% kW used = XXX

The load is supplied by the inverter, but the normal AC source is down or outside tolerances and power is supplied

by the battery.

This message indicates the remaining battery time in minutes prior to inverter shutdown and the percent load. The

battery time calculation takes into account:

◗

The percentage of full rated load power currently being drawn.

The type of battery.

Battery temperature.

Battery age.

The buzzer sounds slowly and discontinuously.

LOAD PROTECTED

LOW-BATTERY SHUTDOWN WARNING

Remaining battery time (min) = XX

% kW used = XXX

This message replaces the preceding if the power outage persists and the warning level has been reached.

The user is warned that the battery is about to shut down.

The buzzer sounds rapidly and discontinuously.

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LOAD PROTECTED

ECO MODE

This is the normal display when there are no problems: the load is supplied by the inverter or the bypass AC source,

and battery backup is available.

LOAD NOT PROTECTED

ECO MODE ^Ø

This display indicates that the load is supplied but has no battery backup. The arrow Ø indicates the presence of

one or more problems specified in secondary messages.

The buzzer sounds continuously.

LOAD FORCED TO INVERTER

ECO MODE

The load has been transferred to the inverter following a specific request by the user.

Secondary Messages

LOAD ON MAINS 2

The load has been transferred to the bypass AC source (M2) and is no longer protected (only in on-line mode). The

buzzer sounds continuously.

MAINS 2 OUTSIDE TOLERANCES

TRANSFER DISABLED

CHECK MAINS 2

The bypass AC source (M2) frequency or voltage is outside tolerances and the inverter is unable to synchronize.

Transfer of the load from the inverter to the bypass AC source (M2) or vice-versa will result in an interruption of the

supply of power to the load. The buzzer sounds slowly and discontinuously.

BATTERY OVER TEMPERATURE,

CHECK VENTILATION

The battery temperature is outside tolerances. The buzzer sounds slowly and discontinuously

BATTERY ROOM VENTILATION

FAULT, CHECK VENTILATION

A fault requiring servicing has occurred in the battery room ventilation system. The rectifier/charger shuts down after

a 30-second time delay.

The user must take steps to re-establish correct operation of the ventilation system.

This message also signals an abnormally high temperature in the filter inductor.

The buzzer sounds slowly and discontinuously.

MAINS 1 OUTSIDE TOLERANCES

CHECK MAINS 1

The normal AC source (M1) frequency or voltage is outside specified tolerances and the rectifier/charger has shut

down. The inverter is on battery power.

MAINS 1 INPUT SWITCH Q1

IS OPEN

The normal AC input (M1) switch Q1 is open. It must be closed for rectifier/charger start-up. The buzzer sounds

slowly and discontinuously.

A — 6

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INTERNAL UPS FAULT

LOAD TRANSFER FAULT,

CALL MAINTENANCE

A fault has occurred in the static switch that transfers the load between the inverter and the bypass AC source (M2).

Servicing by the after-sales support department is required. The buzzer sounds continuously.

OVERLOAD

RATED CURRENT PER PHASE = XXXA

CHECK LOAD LEVEL

This display informs the user that load current is greater than rated current, and gives the value. The buzzer sounds

continuously.

UPS SHUTDOWN DUE T AN OVERLOAD

CHECK LOAD LEVEL

This message follows the preceding when the overload persists. The UPS has shut down and the buzzer sounds

continuously.

INVERTER NOT IN PHASE WITH MAINS 2

TRANSFER DISABLED,

CHECK MAINS 2

The phase difference between the inverter and the bypass AC source (M2) is outside tolerances. Transfer of the load

between the inverter and the bypass AC source (M2) will result in an interruption in the supply of power to the load.

For parallel UPSs, this message should be interpreted as meaning the phase difference between the inverter for

which the message is displayed and the other inverters is outside tolerances.

UPS SHUTDOWN

BY AN EXTERNAL COMMAND

The inverter has received a command to shut down. The command is in the form of a signal from received the

remote-indications relay board which has been set for this function.

◗

The inverter is started again.

MAINS 2 INPUT SWITCH Q4S IS OPEN

The bypass AC source (M2) input switch Q4S is open, i.e. backup power for the load via the bypass AC source (M2)

is not available.

INVERTER OUTPUT SWITCH Q5N IS OPEN

Inverter output switch Q5N is open, i.e. the load cannot be supplied via the inverter.

BYPASS SWITCH Q3BP IS CLOSED

Maintenance bypass switch Q3BP is closed. The system is in maintenance configuration and the load is supplied

by the bypass AC source.

STATIC SWITCH (M2) OFF

DUE TO AN OVERLOAD

The load is no longer supplied by the bypass AC source (M2), due to an extended overload. The buzzer sounds

continuously.

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BATTERY CHARGING

I BAT.=XXX A U BAT. = XXX V

The battery is currently be recharged.

BATTERY AT END OF SERVICE LIFE CALL MAINTENANCE

The battery is nearing the end of its estimated service life. This information is based on average service-life calcu-

lations since its initial installation. The buzzer sounds slowly and discontinuously.

EMERGENCY OFF

This message is displayed when the external emergency-off pushbutton is pressed. The result is:

◗

Shutdown of the inverter.

Shutdown of the rectifier/charger.

Opening of the battery circuit breaker.

Blocking of the static bypass.

Opening of the backfeed protection contactor (M2),

◗

Opening of the Q1 circuit breaker (M1),

Activation of a relay contact on the remote-indications relay board.

Servicing by the after-sales support department is required.

The buzzer sounds discontinuously.

THE BATTERY C.B. QF1 IS OPEN,

CHECK THE INSTALLATION

Battery circuit breaker QF1 is open. The load is no longer protected because battery power is no longer available

in the event of a normal AC source outage. The buzzer sounds continuously.

LOW BATTERY SHUTDOWN

The inverter has shut down at the end of battery power. The buzzer sounds continuously.

INTERNAL UPS FAULT,

INVERTER FAULT,

CALL MAINTENANCE

A fault has occurred in the inverter. Servicing by the after-sales support department is required. The buzzer sounds

continuously.

INTERNAL UPS FAULT,

CHARGER FAULT,

CALL MAINTENANCE

A fault has occurred in the rectifier/charger. Servicing by the after-sales support department is required.

The buzzer sounds slowly and discontinuously.

FORCED TRANSFER TO INVERTER REQUESTED,

POWER TO LOAD MAY BE INTERRUPTED,

CONFIRM YOUR REQUEST WITH KEY ø

The requested transfer to the inverter may provoke an interruption in the supply of power to the load if Mains 2

characteristics are not within the specified tolerances.

A — 8

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Installation and User Manual

THE NUMBER OF UPS READY IS INSUFFICIENT,

LOAD TRANSFER IN STANDBY

This message may be displayed in non-redundant, parallel UPS systems, when the number of ready inverters in

not sufficient to supply the load.

INVERTER NOT CONNECTED

This message may be displayed in parallel UPS systems, when the inverter is not connected to the load.

PARALLEL UPS,

FORCED TRANSFER INHIBITED

This message is displayed when forced connection is requested on a parallel UPS system for a power extension.

INTERNAL UPS FAULT,

SELF-TEST FAULT

Communication between the system and the display is faulty. The buzzer sounds slowly and discontinuously.

FORCED TRANSFER TO M2 REQUESTED,

POWER TO LOAD MAY BE INTERRUPTED

CONFIRM YOUR REQUEST WITH KEY ø

This message is displayed following pressing of the "forced-transfer" key 20, when the load is supplied via the inverter.

UPS SUPPLIED BY A GENERATOR SET

This message informs the user that the UPS has received the order to limit the current drawn by the rectifier/charger.

It is displayed when the corresponding signal is transmitted by the remote indications board which must be

conFigure d for this function.

VENTILATION FAULT

This message is displayed when a fault occurs on a fan.

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Installation and User Manual

Appendix B

Monitoring - Electrical Supervision Options

"Teleservice"

"Teleservice" is a contract offering continuous remote supervision and maintenance of UPS systems via a modem.

Real-time communication is established with our "Teleservice" centre for communication of all alarms and events

occurring in the installation.

Utilization Via Teleservice

When the optional JBUS RS232/485 communications board is installed, the time-stamped information can be sent

to the Teleservice center.

The center can remotely consult the same information and carry out the same modifications as the user locally on

the display. Note that only the Teleservice centre can reset the counters for the statistical data.

GTC Board

This electronic board provides user access to the J-Bus communications protocol. Using the data and address

tables provided, the user can customize his installation.

GTC + Software

The user has access to the J-Bus protocol and, in addition, the associated software acquires system parameters

(measurements, status conditions) and transforms them into diagrams, alarm messages and tables. With the click

of a mouse, the user can locally or remotely supervise the UPS system (comprising one or many UPS units).

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Installation and User Manual

Appendix C

Link to an IBM AS/400 Computer

The Galaxy PW™can dialogue with an IBM AS/400 computer via a link in compliance with IBM communications

recommendations, thus enhancing the protection provided by your Galaxy PW™.

The IBM AS/400 computer must be configured for the link. This section describes the physical connections

required as well as the system values that must be modified on the AS/400 . For further information, consult the

following IBM documents:

◗

"Planning Guide, Appendix E" concerning physical connections.

"Back-up and Recovery Guide", chapter 7 "Power Loss Recovery" concerning configuration of the AS 400 .

◗

Connect and Configure the AS400 Link

Connections are made to the female client connector XR5 on the "Media Contacts 11" board. The corresponding

male connector is supplied; see Figure 3-12 below for the wiring diagram. A five-wire cable (not supplied) is required.

1. On the AS/400 side, use a 9 or 15-pin SUB-D connector. (Depending on the type of AS/400 .)

2. Certain values on the AS/400 must be configured to enable operation of the Galaxy PW™ — AS/400 link.

The values requiring modification and the corresponding procedures are presented in chapter 7 "Power Loss

Recovery" of the "Back-up and Recovery Guide" for the AS/400 .

Configuration values:

◗

QUPSMSGQ: UPS message queue;

QUPSDLYTIM: Uninterruptible power supply delay time;

QPWRRSTIPL: Power restore IPL.

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MGE Warranty & Proprietary Rights for Three Phase Products

MGE Warranty

The liability of MGE UPS SYSTEMS, INC. hereunder is limited to replacing or repairing at MGE UPS SYSTEMS,

INC.’s factory or on the job site at MGE UPS SYSTEMS, INC.’s option, any part or parts which are defective, including

labor, for a period of 12 months from the date of purchase. The MGE UPS SYSTEMS, INC. shall have the sole right

to determine if the parts are to be repaired at the job site or whether they are to be returned to the factory for repair

or replacement. All items returned to MGE UPS SYSTEMS, INC. for repair or replacement must be sent freight

prepaid to its factory. Purchaser must obtain MGE UPS SYSTEMS, INC.’s Return Materials Authorization prior to

returning items. The above conditions must be met if warranty is to be valid. MGE UPS SYSTEMS, INC. will not be

liable for any damage done by unauthorized repair work, unauthorized replacement parts, from any misapplication of

the item, or for damage due to accident, abuse, or Act of God.

In no event shall the MGE UPS SYSTEMS, INC. be liable for loss, damage, or expense directly or indirectly arising

from the use of the units, or from any other cause, except as expressly stated in this warranty. MGE UPS SYSTEMS,

INC. makes no warranties, express or implied, including any warranty as to merchantability or fitness for a particular

purpose or use. MGE UPS SYSTEMS, INC. is not liable for and Purchaser waives any right of action it has or may

have against MGE UPS SYSTEMS, INC. for any consequential or special damages arising out of any breach of

warranty, and for any damages Purchaser may claim for damage to any property or injury or death to any person

arising out of its purchase of the use, operation or maintenance of the product. MGE UPS SYSTEMS, INC. will not

be liable for any labor subcontracted or performed by Purchaser for preparation of warranted item for return to MGE

UPS SYSTEMS, INC.’s factory or for preparation work for field repair or replacement. Invoicing of MGE UPS

SYSTEMS, INC. for labor either performed or subcontracted by Purchaser will not be considered as a liability by the

MGE UPS SYSTEMS, INC.

This warranty shall be exclusive of any and all other warranties express or implied and may be modified only by a

writing signed by an officer of the MGE UPS SYSTEMS, INC. This warranty shall extend to the Purchaser but to no

one else. Accessories supplied by MGE UPS SYSTEMS, INC., but manufactured by others, carry any warranty the

manufacturers have made to MGE UPS SYSTEMS, INC.. and which can be passed on to Purchaser.

MGE UPS SYSTEMS, INC. makes no warranty with respect to whether the products sold hereunder infringe any

patent, U.S. or foreign, and Purchaser represents that any specially ordered products do not infringe any patent.

Purchaser agrees to indemnify and hold MGE UPS SYSTEMS, INC. harmless from any liability by virtue of any patent

claims where Purchaser has ordered a product conforming to Purchaser’s specifications, or conforming to

Purchaser’s specific design.

Purchaser has not relied and shall not rely on any oral representation regarding the Product sold hereunder and any

oral representation shall not bind MGE UPS SYSTEMS, INC. and shall not be part of any warranty.

There are no warranties which extend beyond the description on the face hereof. In no event shall MGE UPS

SYSTEMS, INC. be responsible for consequential damages or for any damages except as expressly stated herein.

Proprietary Rights Statement

The information in this manual is the property of MGE UPS SYSTEMS, INC., and represents a proprietary article in

which MGE UPS SYSTEMS, INC., retains any and all patent rights, including exclusive rights of use and/or manufac-

ture and/or sale. Possession of this information does not convey any permission to reproduce, print, or manufacture

the article or articles shown herein. Such permission may be granted only by specific written authorization, signed by

an officer of MGE UPS SYSTEMS, INC.

IBM, PC-AT, ES/9000, and AS/400 are trademarks of International Business Machines Corporation. MGE and MGE

UPS SYSTEMS are trademarks of MGE UPS SYSTEMS, INC. Other trademarks that may be used herein are owned

by their respective companies and are referred to in an editorial fashion only.

June 2004 Rev A01

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MGE Customer Care Center

Technical Support and Product Services

Technical questions? If you encounter a problem while following the instructions in this manual, or have

questions about the operation, repair, or servicing of your equipment, please direct calls to MGE UPS

SYSTEMS, INC. Customer Care Center or visit our web site www.mgeups.com for complete service information.

To insure that your questions are correctly answered, please obtain the part number, assembly number, and serial

number of the unit and include them in any discussions or correspondence.

Part Number:

_____________________________________________________________________

Assembly Number: _____________________________________________________________________

Serial number:

_____________________________________________________________________

Who To Contact

Technical Support:

1-800-523-0142 (during business hours)

Customer Care Center:

1-800-438-7373 (Hours: 24/7)

Customer FAQ

or International calls:

1-714-557-1636

Commitment: MGE UPS SYSTEMS, INC. is committed to providing easy to access factory trained experts that will

provide responses to any questions that you might have.

Scheduling Field Service Engineer Support

Scheduling of the MGE Field Service Engineers typically should be done 7 to 10 days before they are

required on-site. If the startup of the UPS is critical to maintaining your schedule, please call the MGE

toll free telephone number at 1-800-438-7373, to insure a safe installation and startup that will maintain

the MGE warranty and insure smooth performance

Return Policy for Repair (RMA)

Should you require factory service for your equipment, contact MGE’s Customer Support Services and obtain a Return

Materials Authorization (RMA) prior to shipping your unit. Never ship equipment to MGE without first obtaining an RMA.

Date:

______________________________________________________

RMA Number: ______________________________________________________

Contact Name: ______________________________________________________

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Glossary

Term used

Definition/Meaning

At.

And/or.

+/-

Plus or Minus.

≤

Equal to or less than.

Number.

°C

Degree Celsius.

°F

Degree Fahrenheit.

Phase angle.

Ohm. unit of resistance.

Trade Mark.

2nd

Second.

AC or ac

Ambient Temp.

Ambient noise

ANSI

Alternating current, also implies root-mean-square (rms).

Temperature of surrounding air.

Acoustical noise of surrounding environment.

American National Standard Institute.

American Wire Gauge.

Electrical circuit interrupter.

AWG

Breaker

BTU or Btu

British thermal unit. Defined as the amount of heat required to raise the temperature of one

pound of water by 1°F.

BYPASS

See “Static Transfer switch”.

BYPASS mode

See “off-line mode”.

Carrier

The company or individual responsible for delivering goods from one location to another.

Common.

Circuit breaker.

Centimeter.

Decibels.

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Direct current.

Conduit

A flexible or rigid tube enclosing electrical conductors.

Customer Support Service.

C.S.S.

Current rating

dBA

The maximum current that a conductor or equipment can carry reliably without damage.

Decibel Adjusted.

dBrnC

Decibel above reference noise.

DC or dc

Digital Meter

Earth ground

Electrician

Direct current, or voltage.

The LCD display on the front panel of inverter system.

A ground circuit that has contact with the earth.

Refers to an installation electrician qualified to install heavy-duty electrical components in

accordance with local codes and regulations. Not necessarily qualified to maintain or repair

electrical or electronic equipment.

FET

Field effect transistor.

Freq.

Frequency.

Frequency slew rate

The change in frequency per unit of time. Given in term of Hz per second (Hz/sec.).

GND

Ground (safety).

Hertz, frequency measurement unit, 1Hz is one cycle per second.

Inverter mode

See “on-line” mode.

Current.

IEC

International Electrotechnical Commission.

Institute of Electrical and Electronic Engineers.

The input circuit from the building power panel to the equipment.

An electrical circuit that generates an AC voltage source from a DC voltage source.

Insulated gate bipolar transistors

KiloVolt-Ampere. is equal to 1000 Volt-Ampere.

Line.

IEEE

Input branch circuit

Inverter

IGBT

kVA

LCD

Liquid-Crystal Display unit.

LED

Light Emitting Diode.

Mains or Mains 1

Mains 2

Main AC input source.

Bypass AC input source.

Milliampere.

MAX.

Maximum.

G — 2

Glossary

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MCM

Thousand circular mil. standard wire sizes for multiple stranded conductors over 4/0

AWG in diameter. M is from Roman numerical system indicating 1000.

Module

Refers to individual power inverter module.

Neutral.

Normally close.

Normally open.

NEC

National Electrical Code.

National Fire Protection Association.

Part number.

NFPA

NO. or No.

On-line mode

Off-line mode

Inverter output power is the primary energy source to load.

Inverter output is off, and the load connected at the inverter output receives power

from utility line via a static transfer switch or maintenance bypass relay.

OSHA

Occupational Safety and Health Agency.

Printed circuit assembly.

PCB

Printed circuit board.

PWM

Pulse Width Modulation.

SCR

Silicon controlled rectifier.

Shipping damage

SPDT

Any damage done to an article while it is in transit.

Single Pole Double Throw.

Static Transfer

An solid state switching mechanism electronically controlled to pass AC power direct-

ly from the utility to an output load.

Technician

Refers to an electronic technician qualified to maintain and repair electronic equip-

ment. Not necessarily qualified to install electrical wiring.

Test connector

DB-9 type connector on the LCD panel allowing MGE UPS SYSTEMS Customer

Support Service technician to access programmable and diagnostic features of the

system.

Volts

Volt amperes

Volt-amps, unit for apparent power measurement, equal V x I.

VAC or Vac

VDC or Vdc

Voltage of AC type.

Voltage of DC type.

Battery voltage.

By way of.

Via

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Reorder Form

1660 Scenic Avenue

Costa Mesa, CA 92626

Use this form to report any errors, omissions, or other problems you have experienced, or to order

additional hardcopies of this document. A free copy of this document may be downloaded from the

proprietary MGE Rep Web site. Please contact your MGE UPS SYSTEMS Representative for assistance.

NAME _______________________________________________________________________________________

COMPANY ___________________________________________________________________________________

STREET ADDRESS ____________________________________________________________________________

CITY ________________________________________ STATE __________________ ZIP ___________________

I would like to order______ (quantity @ $50.00 each) additional copies of the:

Galaxy PW™ UPS 100 to 225kVA

Installation and User Manual

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I would like to report the following problems with this document:

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w w w. m g e u p s . c o m

Contact MGE

United States

MGE UPS SYSTEMS

1660 Scenic Ave.

Costa Mesa, CA 92626

Tel: (714) 557-1636

(800) 523-0142

Fax: (714) 557-9788

email: [email protected]

www: mgeups.com

Canada

MGE UPS SYSTEMS

#9, 2789 Thamesgate Drive

Mississauga, ON L4T 4E8

Tel: (905) 672-0990

(877) 672-0990

Fax: (905) 672-7667

email: [email protected]

www: mgeups.com

Latin America and

Other International

MGE UPS SYSTEMS

1660 Scenic Ave.

Costa Mesa, CA 92626

Tel: (714) 513-7831

(800) 523-0142 ext. 7831

Fax: (714) 434-0199

email: [email protected]

www: mgeups.com

1660 Scenic Avenue, Costa Mesa, California 92626 • (714) 557-1636

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