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Liebert NXC 40kVA User Manual

Liebert NXC 40kVA
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Liebert NXC 30kVA And 40kVA UPS
User Manual
Version
V1.0
Revision date
December 25, 2012
BOM
31012710
Emerson Network Power provides customers with technical support. Users may contact the nearest
Emerson local sales office or service center.
Copyright © 2012 by Emerson Network Power Co., Ltd.
All rights reserved. The contents in this document are subject to change without notice.
Emerson Network Power Co., Ltd.
Address: No.1 Kefa Rd., Science & Industry Park, Nanshan District 518057, Shenzhen China
Homepage: www.emersonnetworkpower.com.cn
E-mail: support@emersonnetwork.com.cn

Table of Contents

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Liebert NXC 40kVA Specifications

General IconGeneral
Power Rating40 kVA
Real Power36 kW
Input Frequency50/60 Hz
Output Frequency50/60 Hz
Operating Temperature0°C to 40°C
TopologyDouble Conversion Online
Input Voltage400V
Output Voltage400V
Phase3-phase
Battery TypeValve-regulated lead acid (VRLA)
Battery Backup TimeVaries depending on load
EfficiencyUp to 96%

Summary

Chapter 1 Overview

Features and Design Concept

Describes UPS features, design concepts, system design, and parallel system.

Operation Modes

Details the various operation modes of the UPS, including Normal, Battery, ECO, and Bypass.

Battery Management and Protection

Covers battery management functions, protection, and temperature compensation.

Chapter 2 Mechanical Installation

Precautions and Initial Inspection

Provides safety precautions, transportation, unpacking, and initial inspection guidelines.

Environmental Requirements

Details requirements for UPS and battery location, storage, and environmental conditions.

Mechanical Requirements and Fixing

Covers cabinet moving, clearance, cable access, and final positioning and fixing.

Chapter 3 Electrical Installation

Power Cable Wiring and Connections

Guides on wiring power cables, including input, output, battery, ground, and protective devices.

Signal Cable Wiring and Connections

Details on wiring various signal cables, communication ports, and EPO connections.

Chapter 4 Operator Control And Display Panel

Introduction and Panel Components

Overview of the control panel, including LCD, LEDs, keys, and audible alarms.

LCD Screen Information

Describes the LCD screen types, start screen, primary screen, and default screen.

Menu Items, Prompts, and Alarms

Details menu items, prompt windows, and the UPS alarm list for operation.

Chapter 5 UPS Operation Introduction

Brief Introduction and Precautions

Provides an overview of UPS operations and essential safety precautions.

UPS Startup Procedures

Step-by-step guides for starting the UPS in Normal, ECO, and Battery modes.

Operation Mode Transfers

Details procedures for transferring between Normal, Battery, Bypass, and Maintenance modes.

Self-Test Procedures

Explains how to perform battery and UPS self-tests.

UPS Shutdown Procedures

Guides for completely powering down the UPS and shutting down while maintaining load power.

Emergency Operations and Restart

Covers EPO procedures, reset after EPO, and automatic restart functionality.

System Configuration Settings

Instructions for selecting language, changing date/time, and managing control passwords.

Chapter 6 Battery

Introduction, Safety, and UPS Battery

Overview of battery components, safety precautions, and battery types.

Installation Environment and Design

Covers battery installation environment, number of batteries, and battery room design.

Battery Protection and Connection

Details battery protection features like BCB and procedures for battery installation and connection.

BCB Box and Maintenance

Information on the optional BCB box, its reference current, and battery maintenance.

Battery Disposal

Guidelines for the proper disposal of used lead-acid batteries.

Chapter 7 Parallel System And LBS System

Parallel System Installation

Covers general information, installation procedures, checks, cables, and remote EPO for parallel systems.

Parallel System Operation Procedures

Details startup, maintenance bypass, isolation, reintegration, and shutdown procedures for parallel systems.

LBS System Details

Explains cabinet installation, protective devices, power cables, and LBS cables for LBS systems.

Chapter 8 Options

Option List and Introduction

Lists available UPS options and provides an introduction to their operation.

Option Installation and Configuration

Covers installation and configuration for various options like inductors, battery kits, sensors, and cards.

Chapter 9 Communication

Communication Protocols

Describes SNMP and Modbus protocol communications for UPS monitoring and management.

Dry Contact Communication Methods

Explains communication via IS-Relay card and dry contact ports for status monitoring.

Chapter 10 Service And Maintenance

Safety and Key Component Service Life

Highlights safety for servicing and details service life of key UPS components.

Component Replacement and Maintenance

Provides procedures for fuse replacement and general UPS and options maintenance.

Chapter 11 Specifications

Standards and Environmental/Mechanical Specs

Lists conformance standards, environmental characteristics, and mechanical specifications.

Electrical Characteristics

Details electrical specifications for input rectifier, DC circuit, inverter output, and bypass input.

Efficiency and Loss

Presents data on UPS efficiency and power loss across different load conditions.

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