MGE UPS Systems EPS 6000 Figure 2-7, 2.2.3 Hidden Panel

Numbered lights

The green light indicates the UPS module or SSC with which the display is

currently communicating.

A red light indicates that the corresponding UPS module or SSC has

an anomaly or is not communicating with the display.

Light #1 refers to the SSC;the UPS modules are numbered sequentially

starting at #2.

The hidden panel is located directly below the front panel,

behind the hinged cover, as shown in Figure 2-4. The

hidden panel includes the following controls and indicators, as shown in Figure 2-7:

Figure Hidden Panel

2-7

Alphabetical lights

Fourteen alphabetically labeled LEDs provide detailed information on

UPS status as follows:

A: Emergency shutdown

This red LED indicates that the emergency power off (EPO) or remote emergency

power off (REPO) has been activated (see Section 2.4.4.1, Emergency power off).

Test connector

Clear faults

Alarm reset

Battery charge cycle

Return to float voltage

Security

Inverter sync/desync

Forced transfer

Forced shutdown

Emergency shutdown

Rectifier/charger on

Rectifier/charger fault

Input outside tolerance

Battery temp. outside tolerance

Battery charging

Inverter fault

Low batt. shutdown imminent

Inverter desynchronized

Transfer fault

Overload

Bypass outside tolerance

Maintenance position

NMLKJIHGFEDCBA

12 345

fault

2.2.3 Hidden Panel

2 — 9Operation

User’s guide

Contents

Main IMPORTANT SAFETY INSTRUCTION Page Warranty Service and Factory Repair - Call 1 - 800 - 438 - 7373 Proprietary Rights Statement Revision History EPS 6000 UPS Shared Systems Users Guide Contents Section I Introduction Section II Operation iii Section III Maintenance and Service EPS 6000 UPS Shared Systems Glossary iv Contents Illustrations vContents vi Contents Page How to use this manual viii Introduction 1.1 General Description 1.0 Scope 1 1 Tab le 1-1 Tab le 1-2 1 2 Introduction Figure 1-1 Figure 1-2 STATIC SWITCH CABINET (SSC) MAINTENANCE BYPASS (OPTIONAL) Page 1-3 Q1 Q5N 23456 + C4B4A4 1-4 K3N 1 Q1 Q5N 23456 + 1-5 1 7Introduction 1-6 1 8 Introduction 1-7 1 9Introduction 1-8 1 10 Introduction 1-9 6 543 1 2 F10,F11 ACOZ 1 11Introduction 1-10 STATIC SWITCH CABINET (WITH FRONT DOORS REMOVED) MAINTENANCE BYPASS CABINET (WITH FRONT DOOR REMOVED) 1 12 Introduction 1.5.1 Electrical 1.5 Specifications, UPS Modules 1.4 Options 1 13Introduction 1.5.2 Mechanical 1 14 Introduction Page Page Operation Figure 2-1 2.1.1 Static Switch Cabinet Operation 2.1 System Operation Overview 2.0 Scope Figure 2-2 2.1.3 On-Battery Operation 2.1.2 Normal Operation 2 2 Operation Figure 2-3 2.2.1 Front Panel 2.2 Indicators and Controls 2 3Operation Page 2 5Operation 2.2.2 Alphanumeric Display and Controls 2 6 Operation Figure 2-6 Figure 2-7 2.2.3 Hidden Panel 2 9Operation 2 10 Operation 2 11Operation Figure 2-8 2 12 Operation 2.2.4 Circuit Breakers, Contactors and Switches 2 13Operation attached load. Figure 2-9 2 14 Operation 2-10 K3N 1 Q1 Q5N 23456 + 2-11 K3N 1 Q1 Q5N 23456 + 2-12 2 17Operation 2-13 2 18 Operation 2-14 2 19Operation 2-15 2 20 Operation 2-16 6 543 1 2 F10,F11 ACOZ 2 21Operation 2-17 2 22 Operation Page Figure 2-19 2.3.1 Settings Figure 2-20 LANGUAGE = ENGLISH U.S. =SELECT *=CONFIRM. Figure 2-21 2.3.2 Alarms Select ENGLISH U.S. as the display language to match the displays as presented in this manual. 2 25Operation Figure 2-22 2.3.3.1 Voltage Measurements 2.3.3 Measurements 2 26 Operation Figure 2-23 2 27Operation Figure 2-24 2.3.3.3 Power and Frequency Measurements 2 28 Operation Figure 2-25 2.4.1 Checks Before Start-up 2.4 Normal Operating Procedures 2 29Operation 2.4.2 Start-up 2 30 Operation 2.4.3 Checks After Start-up 2 31Operation Page Page EPS 6000 UPS Shared Systems 2 34 Operation Page 2.4.6.1 Uninterrupted Transfer Conditions 2.4.6 Forced Transfers 2 36 Operation Page 2 38 Operation 2 39Operation Operation 2 40 2 41Operation 2 42 Operation 2 43Operation Page Maintenance and Service 3.2 Preventive Maintenance 3.1 Safety Instructions 3.0 Scope 3 1 3.3 Replacement Parts 3 2 Maintenance and Service 3.4 Troubleshooting and MGE Servicing 3 3Maintenance and Service Page Glossary g 1 g 2 Glossary g 3Glossary g 4 Glossary g 5Glossary Page Reorder form 1660 Scenic Avenue Costa Mesa, CA 92626 Use this form EPS 6000 UPS Users Guide, Shared Systems 86-130034-00