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Vertiv Liebert EXS User Manual

Vertiv Liebert EXS
80 pages
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Liebert® EXS
Installer/User Guide
15-40 kVA, 60 Hz, 208/220 V, Three-phase UPS

Table of Contents

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Vertiv Liebert EXS Specifications

General IconGeneral
Product TypeUninterruptible Power Supply (UPS)
TopologyDouble Conversion Online
Frequency50/60 Hz
Input Voltage208/220/230/240 VAC
Output Voltage208/220/230/240 VAC
EfficiencyUp to 96%
Battery TypeSealed Lead Acid (SLA)
CommunicationRS-232, USB
Operating Temperature0°C to 40°C
DimensionsVaries by model
WeightVaries by model

Summary

Important Safety Instructions

Product Safety

General safety precautions for product storage and operating environment.

Safety Precautions

Explains safety symbols and critical precautions for UPS operation.

Product Description

Battery Mode

Explains UPS operation when utility power is lost and running on batteries.

Bypass Mode

Details UPS operation when power is supplied directly from the bypass source.

Maintenance Bypass Mode

Describes the mode used for safe servicing of UPS internal components.

Fault State

Describes the UPS behavior and indicators during a fault condition.

Installation and Commissioning

Pre-Installation Preparation

Covers environmental requirements, clearances, and protective devices before installation.

Clearance Requirements

Details the necessary space around the UPS for proper operation and servicing.

Equipment Handling and Unpacking

Instructions and safety warnings for handling and unpacking the UPS unit.

Removing from Shipping Pallet

Step-by-step guide for safely removing the UPS from its shipping pallet.

Connecting Power Cables

Instructions for connecting the power cables to the UPS.

REPO Connection

Instructions for connecting the Remote Emergency Power Off (REPO) feature.

Operation and Display Panel

Editing Display and Operation Settings

How to adjust display and operating parameters via the LCD.

Operating the UPS

UPS Startup

Step-by-step guide for safely starting up the UPS.

Transferring to Maintenance Bypass Mode

Steps to engage maintenance bypass mode for servicing.

Parallel System and LBS System

Before Startup

Pre-startup checks and warnings for parallel UPS systems.

Power On Procedures

Step-by-step guide for powering on a parallel UPS system.

Maintenance Bypass Procedures

Procedures for using maintenance bypass in multi-UPS parallel systems.

Isolating One UPS Module

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

Inserting One Isolated UPS Module

Procedures to reintegrate a previously isolated UPS module back into the system.

Completely Powering Down the UPS

Steps for a complete shutdown of the UPS system.

Maintenance

Battery Safety

Crucial safety precautions when working with UPS batteries.

Appendix B: UPS Prompts and Alarms

Alarms, Faults, and Warnings

Details the various alarm, fault, and warning messages and their actions.

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