Liebert Nfinity - User Manual

POWER PROTECTION
Nfinity
™
3:1 Power System
USER MANUAL
380/400/415V
50/60Hz
4to20kVA

Liebert Nfinity Specifications

General

Brand	Liebert
Model	Nfinity
Category	UPS
Language	English

Summary

Important Safety Instructions

General Safety and Battery Precautions

Covers lethal voltages, working alone, and battery handling, including disposal and shock risks.

Environmental and Operational Guidelines

Details operating environment, temperature limits, and proper cleaning procedures for optimal performance.

System Warnings and Module Access

Includes electromagnetic compatibility, IT system type warnings, and precautions for accessing replaceable modules.

Introduction to the Nfinity UPS

General Description

Provides an overview of the Liebert Nfinity Power System's purpose, features, and intended use.

Modes of Operation

Explains the different operational states such as Normal, Back-Up, Auto Restart, Recharge, and Bypass modes.

Major Components

Details the key physical components of the UPS system, including the frame, modules, and user interface.

Installation and Configuration

Preparation and Site Requirements

Covers inspection, environmental conditions, required setup tools, and site preparation including weight considerations.

Unloading and Stationary Mounting

Provides step-by-step instructions for safely unloading the UPS from its pallet and securing it in its final location.

Cable Installation and Wiring

Guides on wiring preparation, connecting input/output power cables, and configuring bypass voltage for transformer models.

Communication Port Setup

Information on configuring COM ports and Intellislot ports for system communication and monitoring.

Operating the Nfinity UPS

Controls and Indicators Overview

Explains the User Interface Module, its buttons, LEDs, and display for monitoring UPS status.

Operating Procedures

Step-by-step guides for essential operations like start-up, shutdown, and manual transfer to bypass.

Main Menu Functions and Navigation

Covers accessing and navigating the Main Menu for UPS Status, Configuration, Logs, Module Replacement, and Tools.

Troubleshooting the Nfinity UPS

Alarm Messages and Causes

Lists common alarm messages, their potential causes, and recommended corrective actions.

Module LED Status Indication

Explains the meaning of the Status and Fault LEDs on Control, Power, and Battery modules for diagnostics.

Module Replacement Guide

Provides detailed instructions for safely removing and replacing Control, Power, or Battery modules.

Maintenance and Care

Proper Care and Professional Service

Emphasizes keeping the UPS clean and recommends certified technician services for optimal performance.

Scheduled Maintenance Tasks

Outlines recommended monthly and annual maintenance checks for unit cleanliness, filters, airflow, and module verification.

Replacing Fan Filters

Instructions for cleaning or replacing air filters on transformer models, noting filter reusability.

Reference Information

Technical Specifications

Detailed technical data including electrical, mechanical, environmental, input, and output parameters.

Approximate Battery Run Times

Tables showing estimated battery run times based on load and the quantity of internal and external battery modules.