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Emerson Liebert NXC 60kVA User Manual

Emerson Liebert NXC 60kVA
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Liebert
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NX8
UserManual+%`K6 UPS

Table of Contents

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Emerson Liebert NXC 60kVA Specifications

General IconGeneral
BrandEmerson
ModelLiebert NXC 60kVA
CategoryUPS
LanguageEnglish

Summary

Special Declaration

Personnel Safety Guidelines

Guidelines for safe installation and operation by professional engineers.

Product Safety Requirements

Environmental requirements for product storage and operation.

Disclaimer of Liability

Emerson's liability for defects, malfunctions, and non-compliance.

Safety Precautions

Safety Symbols and Explanations

Explanation of safety symbols used in the manual.

Conformity and Standards

Compliance with CE, EMC, and specific UPS product standards.

High Earth Leakage Current Warning

Precautions regarding high earth leakage current and RCCB selection.

Chapter 1 Overview

1.1 Features

Highlights the UPS's ability to provide high-quality power and protect against input changes.

1.2 Design Concept

Explains the working principle of the single UPS module and its AC-DC conversion.

1.2.1 System Design

Details the AC-DC conversion and three-phase high frequency rectification process.

1.2.2 Bypass Operation

Describes the static switch function for bypassing loads during normal and overload conditions.

Chapter 1 Overview (Continued)

1.2.3 System Control Principle

Explains normal operation, mains abnormal, and main recovery scenarios.

1.2.4 UPS Power Supply Switch Configuration

Explains the block diagram for UPS power supply switch configuration.

1.2.5 Battery Circuit Breaker (BCB)

Describes the optional BCB for battery connection and overload protection.

1.3 Parallel System Features

Discusses hardware/software, cabling, and intelligent logic for parallel systems.

Chapter 1 Overview (Continued)

1.3.2 Parallel System Requirements

Lists requirements for parallel modules: rating, wiring, RCD, and inductors.

1.4 Operation Modes

Details the UPS's available operating modes.

Normal Mode

Describes normal operation where mains power is rectified and inverted to supply loads.

Battery Mode

Explains battery mode where UPS provides backup power from batteries during mains failure.

Chapter 1 Overview (Continued)

Automatic Restart Mode

Details automatic restart function after mains recovery or during load device failure.

Bypass Mode

Describes bypass mode for transfer during overload or shutdown, with minimal interruption.

Maintenance Mode

Explains maintenance mode for manual bypass switch use during UPS maintenance.

ECO Mode

Discusses ECO mode for energy saving, prioritizing bypass source when voltage/frequency are within limits.

Chapter 1 Overview (Continued)

Parallel Redundancy Mode

Describes parallel redundancy for higher reliability and load sharing with up to four UPS modules.

LBS Mode

Explains LBS mode for dual-bus systems, providing high reliability and suitability for multiple inputs.

Frequency Converter Mode

Details frequency converter mode for fixed frequency output from variable input frequency.

1.5 Normal Battery Management Functions

Covers constant current charge, float charge, and automatic transfer to float charge.

Chapter 1 Overview (Continued)

1.5.2 Advanced Battery Management Functions

Explains periodic UPS maintenance and battery self-test functions.

1.5.3 Battery Temperature Compensation

Describes how battery temperature compensation adjusts DC bus voltage to prolong battery life.

1.6 Battery Protection

Covers battery low pre-warning, EOD protection, and BCB alarm.

Chapter 2 Mechanical Installation

2.1 Installation Precautions

General safety precautions and warnings for professional installation.

2.2 Transportation Guidelines

Recommends safe transportation methods and use of mechanical equipment for heavy UPS units.

2.3 Required Installation Tools

Lists required tools for installation, including safety precautions for insulated tools.

2.4 Unpacking Procedures

Provides step-by-step instructions for unpacking the UPS, including removing panels and pallet.

Chapter 2 Mechanical Installation (Continued)

2.5 Initial Inspection Steps

Details pre-installation checks: environment, unpacking, and UPS verification.

2.6 Environmental Requirement

Specifies requirements for UPS installation environment: temperature, humidity, and air quality.

2.6.1 UPS Location Selection

Guidance on selecting a suitable location for the UPS, considering environmental factors.

2.6.2 Battery Location Selection

Recommendations for battery placement considering temperature and ventilation.

Chapter 2 Mechanical Installation (Continued)

2.6.3 Storage Guidelines

Instructions for safe storage of the UPS, including temperature and ventilation requirements.

2.7 Mechanical Requirement

Specifies mechanical requirements for UPS installation, including clearances and cable access.

2.7.1 Moving the UPS Cabinet

Provides warnings and cautions for safely moving the UPS cabinet.

2.7.2 Clearance Requirements

Details clearance requirements for ventilation and access around the UPS.

Chapter 2 Mechanical Installation (Continued)

2.7.3 Cable Access Modes

Explains top and bottom cable access methods for UPS installation.

2.7.4 Final Positioning And Fixing

Step-by-step guide for positioning and fixing the UPS using adjustable feet.

2.8 Installation Drawings Overview

Presents diagrams showing UPS dimensions and installation details.

Chapter 3 Electrical Installation

3.1 Wiring Of Power Cable

Instructions for wiring power cables, including system configuration and cable selection.

3.1.1 System Configuration

Details power cable requirements for UPS input, bypass, and output connections.

3.1.2 Maximum Steady State AC And DC Currents

Provides tables for maximum steady state AC and DC currents and bus stud specifications.

3.1.3 Recommended CSA Of UPS Cable

Specifies recommended CSA for UPS cables based on model and ambient temperature.

Chapter 3 Electrical Installation (Continued)

3.1.4 Selection Of UPS I/O Switch

Guides the selection of UPS I/O switches based on actual usage needs.

3.1.5 Distance Between The UPS Connection Point And The Floor

Provides minimum distance requirements between UPS connection points and the floor.

3.1.6 Wiring Notes and Guidelines

General notes on cable selection, grounding, and connection for large cables.

3.1.7 Power Cable Connecting Terminal

Shows UPS power cable connection terminals and routing methods.

Chapter 3 Electrical Installation (Continued)

3.1.8 Protection Ground

Explains protection ground connections for cables and cabinets.

3.1.9 External Protective Device

Details the necessity of installing external circuit breakers for input and battery protection.

Rectifier and Bypass Input Power Supply Protection

Instructions for installing protective devices for input supply and short circuit protection.

Ground Fault Protection

Requirements for RCCB installation for ground fault protection.

Chapter 3 Electrical Installation (Continued)

External Battery Protection

Describes the BCB's role in protecting the external battery and its functions.

System Output Protection

Details protective device configuration for system output and overload protection.

3.1.10 Power Cable Connection Steps

Provides steps for connecting power cables, including routing and terminal connections.

Cable Routing Methods

Illustrates UPS power cable connection terminals and routing methods.

Chapter 3 Electrical Installation (Continued)

3.2 Wiring Of Signal Cable

Introduces UPS signal cable connections for battery management, communication, and EPO.

3.2.1 Overview

Introduces UPS signal cable connections for battery management, communication, and EPO.

3.2.2 Input Dry Contact Port

Details input dry contact ports J1 and J5 and their specifications.

3.2.3 BCB Port

Describes the BCB port (J2) and its function in battery control.

Chapter 3 Electrical Installation (Continued)

3.2.4 Backfeed Protection Dry Contact Port

Explains the backfeed protection dry contact port (J3) and its warning.

3.2.5 Remote EPO Input Port

Details the remote EPO input port (J4) for emergency power off functionality.

3.2.6 RS232 Communication Port

Describes the RS232 communication port for parameter settings and connection.

3.2.7 USB Communication Port

Explains the USB communication port for monitoring and software updates.

Chapter 3 Electrical Installation (Continued)

3.2.9 RS485 Communication Port

Details the RS485 communication port, including pin definitions and cable diagrams.

3.2.10 Intellislot Port

Lists optional Intellislot ports and their models and installation positions.

3.2.11 Signal Cable Connection Steps

Provides steps for connecting signal cables, including routing options.

Chapter 4 Operator Control And Display Panel

4.1 Introduction

Introduces the operator control and display panel, covering LCD screen, indicators, and keys.

4.1.1 LED Indicators

Defines the status and description of inverter and alarm indicators.

4.1.2 Audible Alarm (Buzzer)

Lists different alarm sounds and their corresponding meanings.

4.1.3 Control Keys

Describes the function of each control key on the operator panel.

Chapter 4 Operator Control And Display Panel (Continued)

4.1.4 LCD And Menu Keys

Explains the LCD screen layout and the function of menu keys (F1-F5).

4.2 LCD Screen Type

Details the different LCD screen types and their displays.

4.2.1 Start Screen

Shows the initial start screen displayed after UPS self-test.

4.2.2 Primary Screen

Details the primary screen layout, including system, data, menu, and keypad windows.

Chapter 4 Operator Control And Display Panel (Continued)

4.2.3 Default Screen

Describes the default screen displayed during UPS operation and how to return to it.

4.3 Detailed Description Of Menu Items

Provides detailed descriptions of items in the system information, menu, and data windows.

4.4 Prompt Window

Explains prompts and their meanings displayed during UPS operation.

4.5 Alarm List

Lists UPS alarms, their descriptions, and explanations.

Chapter 5 UPS Operation Introduction

5.1 Brief Introduction

Introduces operating precautions and methods for UPS operation.

5.1.1 Precautions

Safety precautions for initial power-on, operation, and hazardous voltage warnings.

5.1.2 Power Switch

Identifies the power switches (Q1-Q6) on the front door and their functions.

5.2 UPS Startup Procedures

Details the procedures for starting up the UPS under various conditions.

Chapter 5 UPS Operation Introduction (Continued)

5.2.1 Startup Procedures In Normal Mode

Step-by-step guide for starting the UPS in normal mode, including warnings.

5.2.2 Startup Procedures In ECO Mode

Instructions for starting the UPS in ECO mode, requiring service engineer configuration.

5.2.3 Startup Procedures In Battery Mode

Procedure for starting the UPS from battery mode, including cold start.

Chapter 5 UPS Operation Introduction (Continued)

5.3 Procedures For Transfer Between Operation Modes

Details the procedures for transferring the UPS between different operation modes.

5.3.1 Transfer From Normal Mode To Battery Mode

Steps for transferring from normal mode to battery mode, including power re-connection.

5.3.2 Transfer From Normal Mode To Bypass Mode

Procedure to transfer from normal mode to bypass mode using the OFF key.

5.3.3 Transfer From Bypass Mode To Normal Mode

Steps to transfer from bypass mode back to normal mode.

Chapter 5 UPS Operation Introduction (Continued)

5.3.4 Transfer From Normal Mode To Maintenance Mode

Procedure to transfer from normal mode to maintenance bypass mode.

5.3.5 Transfer From Maintenance Mode To Normal Mode

Steps to transfer from maintenance mode back to normal mode.

5.4 Battery Test Procedures

Explains how to perform battery tests, including preconditions and test procedure.

5.5 UPS Self-test Procedures

Details the procedure for performing UPS self-tests and interpreting results.

Chapter 5 UPS Operation Introduction (Continued)

5.6 UPS Shutdown Procedures

Details procedures for safely shutting down the UPS.

5.6.1 Procedures For Completely Powering Down UPS

Steps for completely powering down the UPS, including safety precautions.

5.7 EPO Procedures

Explains the procedures for using the EPO function in various scenarios.

5.8 UPS Reset Procedures After EPO

Steps for resetting the UPS after an EPO event and resuming normal operation.

Chapter 5 UPS Operation Introduction (Continued)

5.9 Automatic Restart

Describes the automatic restart function after mains failure or during EPO.

5.10 Selecting Language

Instructions for selecting the display language on the UPS LCD.

5.11 Changing Current Date And Time

Procedure for setting the current date and time on the UPS.

5.12 Control Password

Details how to change the control password for UPS operation and self-tests.

Chapter 6 Battery

6.1 Introduction

Introduces UPS battery composition, safety, installation, and maintenance.

6.2 Battery Safety

Safety precautions for working with batteries, including high voltage warnings.

6.3 UPS Battery

Discusses valve-regulated batteries, gas escape, and battery temperature effects.

6.4 Precautions For Installation Design

Guidance on battery installation design, referencing external battery manuals.

Chapter 6 Battery (Continued)

6.5 Installation Environment

Specifies ambient temperature range and ventilation requirements for battery installation.

6.5.2 Number Of Batteries

Provides a table for the number of batteries based on UPS voltage ratings.

6.6 Battery Protection

Explains the role of the internal fuse, BCB, and EPO button in battery protection.

6.7 Battery Installation

Steps for installing batteries, ensuring proper gap, order, and gravity center.

Chapter 6 Battery (Continued)

6.7.2 Battery Connection

Instructions for connecting batteries in series/parallel, polarity, and cable bending radius.

6.8 Design Of Battery Room

Guidance on battery room design, including layout, workbench, wiring, and BCB.

6.9 BCB Box (Optional)

Details the optional BCB box, its components, and parameters.

6.10 BCB Reference Current And Connection

Provides recommended BCB rated current and battery discharge current.

Chapter 6 Battery (Continued)

6.11 Battery Maintenance

Instructions for battery maintenance, including screw tightening and cleaning.

6.12 Disposal Of Used Battery

Guidelines for the environmentally responsible disposal of used batteries.

Chapter 7 Parallel System And LBS System

7.1 General

Overview of parallel system and LBS system, their configuration, and connections.

7.2 System Installation Procedures

Details installation procedures for parallel UPS systems.

7.2.1 Preliminary Checks

Checks for correct parallel cable selection and module rating before installation.

7.2.2 Cabinet Installation

Instructions for cabinet installation and interconnection for maintenance and testing.

Chapter 7 Parallel System And LBS System (Continued)

7.2.3 Power Cable

Guidance on power cable wiring for bypass and rectifier input terminals.

7.2.4 Parallel Cable

Instructions for connecting shielded and double-insulated parallel cables.

7.2.5 Remote EPO

Explains the remote EPO function for each UPS module and the system.

7.3 Operation Procedures For Parallel System

Details operation procedures for parallel UPS systems.

Chapter 7 Parallel System And LBS System (Continued)

7.3.1 Startup Procedures In Normal Mode

Step-by-step guide for starting the UPS in normal mode, including warnings.

7.3.2 Maintenance Bypass Procedures

Procedures for using maintenance bypass switches in parallel UPS systems.

7.3.3 Procedures For Isolating One UPS Module From Parallel System

Steps to safely isolate a single UPS module from a parallel system.

7.3.4 Procedures For Inserting One Isolated UPS Module In Parallel System

Steps to insert an isolated UPS module back into a parallel system.

Chapter 7 Parallel System And LBS System (Continued)

7.3.5 Procedures For Completely Powering Down UPS

Instructions for completely powering down UPS modules in a parallel system.

7.4 LBS System

Details the LBS system, its components, and operation.

7.4.1 Cabinet Installation

Details LBS system cabinet installation for single and parallel UPS systems.

7.4.2 External Protective Device

Refers to external protective device selection for LBS systems.

Chapter 7 Parallel System And LBS System (Continued)

7.4.3 Power Cable

Guidance on power cable for dual-bus power systems, similar to single systems.

7.4.4 LBS Cable

Instructions for connecting LBS cables in ring configurations for UPS modules.

Chapter 8 Options

8.1 Option List

Lists available UPS options, remarks, and model numbers.

8.2 Option Introduction

Introduces the functions and installation of various optional components.

8.2.1 Bypass Load Sharing Inductor Kit

Details the bypass load sharing inductor kit for parallel UPS systems.

Inductor Kit Preparation

Tools and materials required for installing bypass load sharing inductors.

Chapter 8 Options (Continued)

Inductor Kit Installation Procedures

Steps for installing bypass load sharing inductors, including safety warnings.

Inductor Connection Details

Diagrams and instructions for connecting bypass load sharing inductors.

8.2.2 Internal Battery Kit

Information on internal battery kits and their parameters.

Internal Battery Kit Preparation

Tools and materials for installing internal batteries.

Chapter 8 Options (Continued)

Internal Battery Kit Installation Procedures

Steps for installing internal batteries, including shutdown and LCD checks.

8.2.3 Battery Temperature Compensation Kit

Details the battery temperature compensation kit and its connection.

8.2.4 Seismic Anchor Kit

Information on seismic anchor kits for UPS earthquake/vibration protection.

Seismic Anchor Kit Preparation

Tools and materials for installing seismic anchor kits.

Chapter 8 Options (Continued)

Seismic Anchor Kit Installation Procedures

Steps for installing seismic anchor kits, including foot removal and anchor placement.

8.2.5 IS-UNITY-DP Card

Description and appearance of the IS-UNITY-DP card.

8.2.6 IS-WEBL Card

Details the IS-WEBL card for network management and environment monitoring.

IS-WEBL Card Preparation

Tools and materials for installing the IS-WEBL card.

Chapter 8 Options (Continued)

IS-WEBL Card Installation Procedures

Steps for installing the IS-WEBL card, noting it is hot-pluggable.

8.2.7 IS-Relay Card

Details the IS-Relay card for monitoring UPS via dry contact signals.

8.2.8 IS-485L Card

Describes the IS-485L card for Modbus RTU protocol conversion.

8.2.9 BCB Box Reference

Refers to Section 6.9 for BCB Box information.

Chapter 8 Options (Continued)

8.2.10 Parallel Cables Availability

Availability of parallel cables in various lengths.

8.2.11 LBS Cables Availability

Availability of LBS cables in various lengths.

Chapter 9 Communication

9.1 SNMP Protocol Communication

Using IS-WEBL card for SNMP communication with the UPS.

9.2 Modbus Protocol Communication

Using IS-485L card for Modbus communication with the UPS.

9.3 Dry Contact Communication

Provides two dry contact communication approaches: IS-Relay card and dry contact port.

9.3.1 Communication Through IS-Relay Card

Using IS-Relay card for dry contact signals and monitoring.

Chapter 9 Communication (Continued)

9.3.2 Communication Through Dry Contact Port

Using external interface board ports for status information and EPO.

Chapter 10 Service And Maintenance

10.1 Safety

Safety warnings for inspection and replacement of UPS components.

10.2 Key Components And Service Life Of UPS

Information on key UPS components and their estimated service life.

10.2.1 Life Parameters And The Proposed Replacement Time Of Key Components

Table of key components, estimated life, proposed replacement time, and inspection period.

10.2.2 Replacement Of Air Filter

Instructions for replacing air filters, including frequency and cleaning.

Chapter 10 Service And Maintenance (Continued)

10.2.3 Replacement Of Fuse

Guidance on replacing fuses on copper bars at battery input terminals.

10.3 Maintenance Of UPS And Options

General maintenance tips: good history records, cleaning, ambient conditions, and wiring checks.

Chapter 11 Specifications

11.1 Conformance And Standards

Lists European and international standards the UPS complies with.

11.2 Environmental Characteristics

Specifies environmental characteristics like noise, altitude, humidity, and temperature.

11.3 Mechanical Characteristics

Details mechanical characteristics such as dimensions, net weight, and protection degree.

11.4 Electrical Characteristics (Input Rectifier)

Specifies electrical characteristics of the input rectifier, including voltage, frequency, and distortion.

Chapter 11 Specifications (Continued)

11.5 Electrical Characteristics (Intermediate DC Circuit)

Details electrical characteristics of the intermediate DC circuit, including charging and boost control.

11.6 Electrical Characteristics (Inverter Output)

Specifies electrical characteristics of the inverter output, including power factor and overload.

11.7 Electrical Characteristics (Bypass Input)

Details electrical characteristics of the bypass input, including voltage tolerance and synchronization.

11.8 Efficiency And Loss

Provides efficiency and loss data for the UPS at different load levels.

Appendix 1 Disposal Of Old Appliances

Appendix 2 Glossary

Appendix 3 Hazardous Substances Or Elements Announcement

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