Emerson NetSure ACU+ User Manual

(E/W Spec. No. 588705000 Module Mounting Shelves)
(E/W Spec. No. 588705300 Module Mounting Shelves)
Main Bay Supplemental BayMain Bay Supplemental Bay
NetSure
™
-48V DC Power System
User Instructions, UM582127000 (Issue AD, January 20, 2014)
Specification Number: 582127000
Model Number: 721
NPBB

Emerson NetSure ACU+ Specifications

General

Input Frequency Range	50/60 Hz
Output Voltage	48 VDC
Cooling	Forced air cooling
Efficiency	up to 96%
Operating Temperature	-40°C to +75°C
Protection Features	Overvoltage, overcurrent, short circuit, overtemperature

Summary

Safety Information and Warnings

Admonishments Used in this Document

Describes warning symbols and their meanings.

Important Safety Instructions

Outlines critical safety procedures and precautions for system operation.

Static Warning

System Overview

ACU+ Controller

Details the advanced control unit for system management, monitoring, and control.

Maintenance and Installation

System Maintenance Procedures

Adding Rectifier or Converter Modules

Circuit Card Replacement Procedures

General guide for replacing internal circuit cards while the system operates.

Replacing Distribution Panels and Contactors

Troubleshooting, Replacement, and Support

Troubleshooting Alarm Conditions

Guide for addressing system alarm conditions via ACU+.

Clearing Communication Fail Alarms

Replacement Information and Procedures

Guidelines for replacing system components and assemblies.