MITSUBISHI ELECTRIC M9950 SERIES UPS
M9950 SERIES UPS
OWNERS / TECHNICAL MANUAL
TABLE OF CONTENTS
LIST OF TABLES ................................................................................................ ii
LIST OF FIGURES .............................................................................................. iii
HOW TO USE THIS MANUAL ............................................................................ iv
1.0 INTRODUCTION ........................................................................................ 1-1
1.1 SAFETY PRECAUTIONS ........................................................................... 1-2
1.2 GENERAL ................................................................................................... 1-5
1.3 DEFINITIONS ............................................................................................. 1-6
1.4 OPERATION OVERVIEW .......................................................................... 1-7
1.5 SYSTEM SINGLE LINE DIAGRAM ............................................................ 1-17
1.6 SPECIFICATIONS ...................................................................................... 1-19
2.0 OPERATION CONTROLS AND INDICATORS ......................................... 2-1
2.1 LED DISPLAY ............................................................................................. 2-2
2.2 EPO BUTTON ............................................................................................. 2-2
2.3 LIQUID CRYSTAL DISPLAY ...................................................................... 2-3
2.4 EXTERNAL SIGNAL TERMINAL BLOCK .................................................. 2-10
3.0 INSTALLATION AND OPERATION .......................................................... 3-1
3.1 TRANSPORTATION AND INSTALLATION ............................................... 3-1
3.2 INSTALLATION PROCEDURE .................................................................. 3-1
3.3 PROCEDURE FOR CABLE CONNECTIONS ........................................... 3-2
3.4 RECOMMENDED CABLE SIZES ............................................................... 3-5
3.5 OPERATING PROCEDURES .................................................................... 3-15
4.0 RESPONSE TO UPS FAILURE ................................................................. 4-1
5.0 PARTS REPLACEMENT ........................................................................... 5-1
6.0 FAULT CODES .......................................................................................... 6-1
7.0 DAILY INSPECTION .................................................................................. 7-1
