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Emerson Liebert NX 480V User Manual

Emerson Liebert NX 480V
108 pages
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AC Power
For Business-Critical Continuity™
Liebert NX
UPS
User Manual–40-120kVA, 480V, 60Hz

Table of Contents

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Emerson Liebert NX 480V Specifications

General IconGeneral
BrandEmerson
ModelLiebert NX 480V
CategoryUPS
LanguageEnglish

Summary

Important Safety Instructions

General Safety Precautions

Covers warnings and cautions for handling, electrical hazards, and ground leakage.

Installation

Electrical Connections

Power Cabling

Guidelines for selecting and sizing power cables for UPS connections.

Battery Installation

Battery Safety Precautions

Critical safety precautions when working with UPS batteries due to high voltage risks.

UPS Specifications

UPS Electrical Characteristics

Provides electrical data for input, output, bypass, and internal circuits.

Operation

Operating Modes

Describes Normal, Battery, Bypass, and Maintenance modes of operation.

Operator Control and Display Panel

Operator Control Panel Overview

Overview of the front panel interface, including LCD and buttons.

Control Buttons

Functionality of each button on the operator control panel.

LCD Information and Navigation

Explains LCD layout, menus, navigation keys, and system information display.

Operating Instructions

Liebert NX Operating Modes

Explains the different operating modes (Normal, Bypass, Test) and their circuit breaker states.

UPS Startup Procedures

Step-by-step procedure for starting the UPS from a powered-down state.

Shutdown Procedure

Comprehensive steps to safely power down the entire UPS system and connected load.

Parallel System Setup and Startup

Procedures for commissioning and starting up parallel UPS systems.

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