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Vertiv LIEBERT NXC 60KVA User Manual

Vertiv LIEBERT NXC 60KVA
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L
IEBERT® NXC 60KVA UPS
Reliable & Scalable power system designed
for Small and Mid-size Enterprises
Installer/User Guide

Table of Contents

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Vertiv LIEBERT NXC 60KVA Specifications

General IconGeneral
Power Rating60 kVA
Active Power54 kW
Frequency50/60 Hz
Input Frequency40-70 Hz
Output Frequency50/60 Hz
TopologyDouble Conversion Online
Operating Temperature0°C to 40°C
Input Voltage380/400/415V AC (3-phase)
Output Voltage380/400/415V AC (3-phase)
Battery TypeValve Regulated Lead Acid (VRLA)
Battery RuntimeVaries based on battery configuration
Weight210 kg (without batteries)
EfficiencyUp to 95%
Communication InterfaceRS232, USB

Summary

Special Declaration

Personnel Safety

Safety precautions for installation and use, avoiding hazards.

Product Safety

Guidelines for safe operating environment and avoiding specific conditions.

General Safety Precautions

High Earth Leakage Current

Criticality of earth connection and selection of RCCB/RCD devices.

User Safety Precautions

High voltage inside, IP20 standard, safety shields.

Battery Safety and Handling

Battery Maintenance and Servicing

Requires tools, trained personnel, and caution with high voltage.

Chapter 1 Overview

1.2.1 System Design

AC-DC-AC conversion, rectifier, inverter, battery charger.

1.2.2 Bypass

How loads are supplied by inverter or bypass, and maintenance bypass.

1.2.3 System Control Principle

Normal operation, mains abnormal, and mains recovery scenarios.

1.3 Parallel System

Connecting multiple UPS modules for increased capacity/reliability.

1.3.2 Parallel System Requirements

Requirements for parallel module configuration and wiring.

Battery Mode

UPS operation using battery power during mains failure.

Parallel Redundancy Mode

Programming multiple UPS modules for parallel operation.

1.5 Battery Management

Overview of battery management functions.

1.5.1 Normal Function

Constant current, constant voltage, and float charging methods.

EOD Protection

Battery converter shutdown at End-of-Discharge voltage.

1.5.2 Advanced Function

Battery maintenance and capacity self-test functions.

1.6 Battery Protection

Protection features for battery low pre-warning, EOD, and BCB.

Chapter 2 Mechanical Installation

2.1 Precautions

Environmental and mechanical considerations for installation.

Professional Installation Required

Do not disassemble without permission; install by authorized engineer.

Battery Danger

High voltage caution when handling batteries; wear safety glasses.

2.6 Environmental Requirement

Requirements for UPS location and environment.

2.6.1 UPS Location Selection

Cool, dry, clean-air indoor environment with adequate ventilation.

2.6.2 Battery Location Selection

Requirements for battery installation environment and temperature.

2.7.1 Moving Cabinet

Precautions and methods for moving the UPS cabinet.

2.7.4 Final Positioning And Fixing

Procedures for positioning and fixing the UPS using adjustable feet.

Chapter 3 Electrical Installation

3.1 Wiring Of Power Cable

Procedures for connecting power cables.

3.1.1 System Configuration

Requirements for UPS input, bypass, output, and battery cables.

3.1.8 Protection Ground

Importance and method of connecting protective earth.

3.1.9 External Protective Device

Requirements for external protective devices for UPS input and battery.

Rectifier and Bypass Input Power Supply Protection

Protection devices for input power.

Ground Fault Protection

Requirements for RCCB and leakage current considerations.

External Battery Protection (BCB)

BCB box for external battery protection.

System Output Protection

Protective device for UPS output.

3.1.10 Power Cable Connection Steps

Steps for connecting power cables.

Connection of System Input

Connecting system input for common and split bypass configurations.

Connection of System Output

Connecting system output cables to the load.

Connection of Batteries

Connecting external battery to BCB and UPS.

3.2 Wiring Of Signal Cable

Overview of signal cable connections and ports.

3.2.11 Signal Cable Connection Steps

Steps for cabling and routing signal cables.

Chapter 4 Operator Control And Display Panel

4.1.3 Control Keys

Description of operator control keys.

Settings Menu

Settings for display, date/time, communication, and configuration.

Command Menu

Commands for battery tests, system tests, and charging.

4.5 Alarm List

Complete list of UPS alarm messages.

Chapter 5 UPS Operation Introduction

5.1.1 Precautions

Important warnings and safety advice for operation.

5.2 UPS Startup Procedures

Procedures for starting the UPS.

5.2.1 Startup Procedures In Normal Mode

Steps to turn on the UPS from a powered-down state.

5.2.3 Startup Procedures In Battery Mode (Battery Cold Start)

Steps for starting the UPS from battery power.

5.3 Procedures For Transfer Between Operation Modes

Procedures for changing UPS operation modes.

5.3.4 Transfer From Normal Mode To Maintenance Mode

Transferring UPS to maintenance mode for service.

5.4 Battery Test Procedures

Procedures for performing battery maintenance and capacity tests.

5.5 UPS Self-test Procedures

Procedures for running UPS self-tests.

5.6 UPS Shutdown Procedures

Procedures for completely powering down the UPS.

5.6.1 Procedures For Completely Powering Down UPS

Steps for shutting down UPS and load power.

5.6.2 Power Down UPS While Maintaining Load Power

Procedures to power down UPS while keeping load powered.

5.7 EPO Procedures

Emergency Power Off procedures.

5.8 UPS Reset Procedures After EPO

Resetting the UPS after EPO or fault conditions.

Chapter 6 Battery

6.2 Safety

Safety precautions for working with UPS batteries.

6.5.1 Installation Environment

Fresh air volume and temperature requirements for batteries.

6.7 Battery Installation And Connection

Procedures for installing and connecting batteries.

6.7.1 Battery Installation

Steps for installing batteries and checking accessories.

6.7.2 Battery Connection

How to connect batteries in series and parallel, and safety warnings.

6.11 Battery Maintenance

Precautions and procedures for battery maintenance.

Chapter 7 Parallel System And LBS System

7.3 Operation Procedures For Parallel System

Operating procedures for parallel UPS systems.

7.3.1 Startup Procedures In Normal Mode

Steps to turn on parallel UPS modules in normal mode.

7.3.2 Maintenance Bypass Procedures

Procedures for transferring parallel systems to maintenance bypass.

7.3.3 Isolate UPS Module From Parallel System

Steps to isolate a UPS module from a parallel system.

7.3.4 Insert Isolated UPS Module Into Parallel System

Steps to reintegrate a UPS module into a parallel system.

7.3.5 Procedures For Completely Powering Down UPS

Procedures for shutting down parallel UPS systems.

7.3.6 Shutdown UPS While Maintaining Load Power

Shutting down parallel UPS while keeping load powered.

Chapter 8 Options

Chapter 10 Service And Maintenance

10.1 Safety

Safety precautions for UPS service and maintenance.

Chapter 11 Specifications

11.5 Electrical Characteristics (Intermediate DC Circuit)

Specifications for the battery and charging circuit.

11.6 Electrical Characteristics (Inverter Output)

Specifications for the inverter output to the load.

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