Vertiv Liebert NXC 40kVA User Manual
Vertiv Liebert NXC 40kVA User Manual

Vertiv Liebert NXC 40kVA User Manual

Reliable & scalable power system designed for small and mid-size enterprises
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LIEBERT® NXC™ 30kVA & 40kVA UPS
Reliable & Scalable power system designed
for Small and Mid-size Enterprises
Installer/User Guide

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Table of Contents
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Summarization of Contents

Chapter 1 Overview
1.1 Features
Describes the advantages of the UPS in protecting loads from power issues.
1.2 Design Concept
Introduces the working principle and system design of the UPS module.
1.3 Parallel System
Details connecting multiple UPS modules for increased capacity or reliability.
1.4 Operation Modes
Lists and describes the different operating modes of the UPS system.
1.5 Battery Management
Explains functions for managing battery charging, testing, and protection.
1.6 Battery Protection
Covers safety functions related to battery low warnings and EOD protection.
Chapter 2 Mechanical Installation
2.1 Precautions
Outlines essential safety and handling precautions for UPS installation.
2.2 Transportation
Provides guidelines for safely transporting the UPS equipment.
2.3 Unpacking
Details the steps for unpacking the UPS and battery packages.
2.4 Initial Inspection
Specifies checks to perform before UPS installation to ensure proper environment.
2.5 Environmental Requirement
Defines the necessary environmental conditions for UPS location and operation.
2.6 Mechanical Requirement
Covers requirements for moving, clearance, and fixing the UPS cabinet.
2.7 Installation Drawings
Provides diagrams illustrating UPS installation dimensions and views.
Chapter 3 Electrical Installation
3.1 Wiring Of Power Cable
Details procedures and requirements for connecting power cables to the UPS.
3.2 Wiring Of Signal Cable
Explains how to connect various signal and communication cables to the UPS.
Chapter 4 Operator Control And Display Panel
4.1 Introduction
Introduces the components of the UPS operator control and display panel.
4.2 LCD Screen Type
Describes the different types of LCD screens and their displays on the UPS.
4.3 Detailed Description Of Menu Items
Explains the items displayed on the UPS LCD screen menus and data windows.
4.4 Prompt Window
Lists and explains the prompt messages displayed during UPS operation.
4.5 Alarm List
Provides a comprehensive list of UPS alarms and their explanations.
Chapter 5 UPS Operation Introduction
5.1 Brief Introduction
Provides an overview of operating precautions and daily methods for UPS use.
5.2 UPS Startup Procedures
Details the step-by-step process for starting the UPS in different modes.
5.3 Procedures For Transfer Between Operation Modes
Explains how to transfer the UPS between various operational modes.
5.4 Battery Test Procedures
Describes how to perform battery integrity and capacity tests.
5.5 UPS Self-test Procedures
Outlines the process for performing a self-test of UPS functions and indicators.
5.6 UPS Shutdown Procedures
Details the correct procedures for powering down the UPS.
5.7 EPO Procedures
Explains the Emergency Power Off (EPO) function for immediate UPS shutdown.
5.8 UPS Reset Procedures After EPO
Covers the steps to reset the UPS after an EPO event or fault.
5.9 Automatic Restart
Describes the UPS's automatic restart capability after power restoration.
5.10 Selecting Language
Explains how to change the display language on the UPS LCD.
5.11 Changing Current Date And Time
Details the procedure for adjusting the system date and time settings.
5.12 Control Password
Explains the password protection feature for UPS operation and control.
Chapter 6 Battery
6.1 Introduction
Introduces the UPS battery, its composition, and installation considerations.
6.2 Safety
Details critical safety precautions for working with high voltage UPS batteries.
6.3 UPS Battery
Discusses the types of UPS batteries and their maintenance requirements.
6.4 Precautions For Installation Design
Provides important considerations for designing battery installation layouts.
6.5 Battery Installation Environment And Number Of Batteries
Covers requirements for battery installation environment and cell configuration.
6.6 Battery Protection
Explains the protection features for the internal and external UPS batteries.
6.7 Battery Installation And Connection
Details the procedures for installing and connecting UPS batteries.
6.8 Design Of Battery Room
Offers guidance on designing a safe and effective battery room.
6.9 BCB Box (Optional)
Describes the optional BCB box for battery overdischarge and overcurrent protection.
6.10 BCB Reference Current And Connection
Specifies BCB rated current and connection details for battery protection.
6.11 Battery Maintenance
Provides guidelines and precautions for battery maintenance.
6.12 Disposal Of Used Battery
Explains the environmentally responsible disposal methods for used batteries.
Chapter 7 Parallel System And LBS System
7.1 General
Provides an overview of parallel and LBS system configurations for UPS modules.
7.2 System Installation Procedures
Details the installation steps specific to parallel UPS systems.
7.3 Procedures For Parallel System
Outlines procedures for operating and managing parallel UPS systems.
7.4 LBS System
Explains the setup and operation of the Load Bus Synchronizer (LBS) system.
Chapter 8 Options
8.1 Option List
Lists available optional kits and accessories for the UPS system.
8.2.1 Bypass Load Sharing Inductor Kit
Enhances bypass output load sharing for parallel UPS systems.
8.2.2 Internal Battery Kit
Provides internal battery solutions for UPS systems, with installation details.
8.2.4 Seismic Anchor Kit
Protects the UPS from earthquake or vibration damage with anchoring hardware.
8.2.6 IS-WEBL Card
Enables network management and environment monitoring functions for the UPS.
8.2.8 IS-485L Card
Facilitates Modbus RTU communication for UPS monitoring and parameter management.
8.2.9 BCB Box
Protects external batteries against overdischarge and overcurrent.
Chapter 9 Communication
9.1 SNMP Protocol Communication
Enables network monitoring of the UPS using SNMP protocol via the IS-WEBL card.
9.2 Modbus Protocol Communication
Allows UPS communication via Modbus RTU protocol using the IS-485L card.
9.3 Dry Contact Communication
Provides dry contact interfaces for UPS monitoring and remote EPO.
Chapter 10 Service And Maintenance
10.1 Safety
Emphasizes safety precautions for UPS inspection and device replacement by authorized personnel.
10.2 Key Components And Service Life Of UPS
Introduces key UPS components and their estimated service life for proactive replacement.
10.3 Maintenance Of UPS And Options
Covers essential maintenance practices for the UPS and its optional components.
Chapter 11 Specifications
11.1 Conformance And Standards
Lists the European and international standards the UPS complies with.
11.2 Environmental Characteristics
Specifies the operating and storage environmental conditions for the UPS.
11.3 Mechanical Characteristics
Details the physical dimensions, weight, and protection degree of the UPS.
11.4 Electrical Characteristics (Input Rectifier)
Provides detailed electrical specifications for the UPS input rectifier.
11.5 Electrical Characteristics (Intermediate DC Circuit)
Lists electrical characteristics related to the UPS's intermediate DC circuit and battery.
11.6 Electrical Characteristics (Inverter Output)
Specifies the electrical performance characteristics of the UPS inverter output.
11.7 Electrical Characteristics (Bypass Input)
Details the electrical specifications for the UPS bypass input.
11.8 Efficiency And Loss
Presents the efficiency ratings and power loss values for the UPS in different modes.
Appendix 1 Disposal Of Old Appliances
NOTICE TO EUROPEAN UNION CUSTOMERS: DISPOSAL OF OLD APPLIANCES
Informs EU customers about environmentally responsible disposal of old appliances according to WEEE directive.
Appendix 2 Glossary
Glossary
Provides definitions for technical terms used in the UPS manual.
Appendix 3 Hazardous Substances And Content
Hazardous Substances And Content
Lists hazardous substances present in UPS components as per regulation SJ/T 11364.

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