Liebert 7400 Series User Manual

Manual Reference: 6310018A - 2 (02/98) LCA 10/01
7400 Series UPS
Single Module
and
1+1 Configuration
User Manual
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Liebert 7400 Series Specifications

General

Brand	Liebert
Model	7400 Series
Category	UPS
Language	English

Summary

Chapter 1 - General Description

Design Concept Overview

One Plus One System Configurations

Operator Control Panel

Describes mimic indicators, control switches, and LCD display functions for UPS monitoring and control.

Chapter 3 - Installation Procedure

Equipment Placement and Environment

Battery Installation and Location

Preliminary Checks and Cabinet Reassembly

Power Cable Connections and Grounding

Covers cable entry, rating, connections, and essential safety earth procedures.

Detailed Cabling Procedure

Step-by-step guide for connecting power and control cables, including parallel systems.

Chapter 5 - Maintenance

Introduction and Safety Precautions

Introduces maintenance procedures and essential safety guidelines for working on the UPS.

Scheduled Maintenance Procedures

Details daily, weekly, annual, and battery maintenance checks for optimal performance.

Chapter 6 - Troubleshooting

UPS Troubleshooting Overview

Display Panel Message Interpretation

Chapter 7 - Specifications

Series 7400 UPS Module Specifications

Provides detailed mechanical, environmental, input, output, and DC circuit specifications.