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UM1M820BNA User Instructions
Issue AH, March 4, 2013 Spec No. 1M820BNA (Model M820B)
Spec No. 1M820DNA (Model M820D)
ii Table of Contents
This document is property of Emerson Network Power, Energy Systems, North America, Inc. and contains confidential and proprietary information owned by Emerson Network Power, Energy
Systems, North America, Inc. Any copying, use, or disclosure of it without the written permission of Emerson Network Power, Energy Systems, North America, Inc. is strictly prohibited.
2.5.12 Assigning Relays to Alarms ............................................................................................................ 25
2.5.13 Changing the Names of Items Displayed in the LCD and Web-Interface Menus .......................... 25
2.5.14 Viewing Alarms ............................................................................................................................... 25
2.5.15 Clearing Rectifier Lost, Rectifier Communication Fail, Converter Lost, Converter
Communication Fail, and All Converter Comm Fail Alarms ........................................................... 25
2.5.16 Clearing SMTemp Lost and SMTemp Probe Alarms ..................................................................... 25
2.5.17 Clearing Battery Alarms .................................................................................................................. 25
2.5.18 Clearing Logs.................................................................................................................................. 25
2.5.19 Clearing the Maintenance Alarm .................................................................................................... 26
2.5.20 Viewing the ACU+ Controller’s Device Inventory ........................................................................... 26
2.5.21 Updating the ACU+ Controller’s Device Inventory ......................................................................... 26
2.5.22 Programming the Audible Alarm Feature ....................................................................................... 26
2.5.23 Blocking Alarms .............................................................................................................................. 26
2.5.24 Configuring the ACU+ Identification of Rectifiers and Assigning which Input Phase is
Connected to the Rectifiers ............................................................................................................ 27
2.5.25 Configuring the ACU+ Identification of Converters ........................................................................ 28
2.5.26 Viewing/Changing the Float Voltage Setting .................................................................................. 29
2.5.27 Viewing/Changing the Equalize Voltage Setting ............................................................................ 29
2.5.28 Setting Digital Inputs ....................................................................................................................... 29
2.5.29 Setting Temperature Sensors ......................................................................................................... 29
2.5.30 Setting Battery Charge Temperature Compensation ..................................................................... 30
2.5.31 Setting Auto Equalize ..................................................................................................................... 30
2.5.32 Setting Battery Parameters ............................................................................................................ 31
2.5.34 Setting Battery Block and Battery Midpoint Monitoring (if equipped with an EIB Assembly) ......... 31
2.5.35 Setting IP Communications Parameters ........................................................................................ 31
2.5.36 Setting External Shunts (connected to the EIB Assembly) ............................................................ 31
2.5.37 Setting External Shunts (connected to the SM-DU+ Assembly) .................................................... 31
2.5.38 Setting the Load Current Alarm ...................................................................................................... 32
2.5.39 Placing the System in Float or Equalize Charge Mode .................................................................. 32
2.5.40 Manually Forcing Relays ................................................................................................................ 32
2.5.41 Manually Forcing LVDs .................................................................................................................. 32
2.5.42 Using the Relay Test Feature ......................................................................................................... 33
2.5.43 Spec. No. 588820300 Battery Rack System (Lithium Ion Battery Configuration) .......................... 34
2.6 Available Alarms ......................................................................................................................................... 35
2.7 Power Split Feature .................................................................................................................................... 73
2.7.1 Overview ......................................................................................................................................... 73
2.7.2 How Power Split Works .................................................................................................................. 73
2.7.3 Operating Modes ............................................................................................................................ 74
2.7.4 Requirements and Conditions ........................................................................................................ 74
2.7.5 Paralleling the Existing and ACU+ Power Systems ....................................................................... 75
2.7.6 Programming the ACU+ Power Split Feature ................................................................................ 77
2.7.7 Verifying the Operation of the Power Split Feature ........................................................................ 79
Chapter 3. Local Display Menus .......................................................................................... 80
3.1 Overview..................................................................................................................................................... 80