Emerson 721NPBB TABLE OF CONTENTS

User Instructions UM582127000
Spec. No. 582127000 (Model 721NPBB) Issue AC, January 2, 2013
Table of Contents Page i
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TABLE OF CONTENTS
CONTENTS PAGE
IMPORTANT SAFETY INSTRUCTIONS .................................................................................. iii
General Safety .................................................................................................................................................... iii
Voltages .............................................................................................................................................................. iii
Battery ................................................................................................................................................................. iii
Circuit Card Handling .......................................................................................................................................... iv
STATIC WARNING .................................................................................................................... v
CHAPTER 1. SYSTEM OVERVIEW .......................................................................................... 1
Customer Documentation Package ..................................................................................................................... 1
System Description .............................................................................................................................................. 1
CHAPTER 2. OPERATING PROCEDURES .............................................................................. 4
Controller, Rectifiers, and Optional Converters ................................................................................................... 4
ESTOP Function .................................................................................................................................................. 4
ACU+ Battery Charge Current Limit Feature ....................................................................................................... 4
Local Controls and Indicators............................................................................................................................... 4
Circuit Card Locations ................................................................................................................................... 4
System Interface Circuit Card ........................................................................................................................ 6
Optional LVD Driver Circuit Card ................................................................................................................... 7
Optional LVD Driver Lite Circuit Card ............................................................................................................ 8
Optional Manual Battery Disconnect Circuit Card (Main Bay Only) .............................................................. 9
SM-DU Circuit Card ..................................................................................................................................... 10
CHAPTER 3. MAINTENANCE ................................................................................................. 11
System Maintenance Procedures ...................................................................................................................... 11
Adding a Rectifier Module to an Existing Rectifier Module Mounting Shelf Spec. No. 588705000 ................... 11
Adding a Rectifier or Converter Module to an Existing Module Mounting Shelf Spec. No. 588705300 ............ 11
Installing a Field Expansion Rectifier Module Mounting Shelf Spec. No. 588705000 ....................................... 14
Installing a Field Expansion Rectifier/Converter Module Mounting Shelf Spec. No. 588705300 ...................... 18
Changing the ACU+ LVD Control Level for a Contactor .................................................................................... 21
Adding a Supplemental Bay in the Field ............................................................................................................ 21
CHAPTER 4. TROUBLESHOOTING AND REPAIR ................................................................ 22
Contact Information ............................................................................................................................................ 22
Controller, Rectifiers, and Optional Converters ................................................................................................. 22
ACU+ Controller Configuration .......................................................................................................................... 22
System Troubleshooting Information ................................................................................................................. 22
Replacement Information ................................................................................................................................... 25
Replacement Assemblies ............................................................................................................................ 25
Replacement Cables ................................................................................................................................... 25
Replacement Procedures ................................................................................................................................... 25
Replacing a Rectifier Module (in a Spec. No. 588705000 Shelf) ................................................................ 25
Replacing a Rectifier or Converter Module (in a Spec. No. 588705300 Shelf) ........................................... 25