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Liebert EXL User Manual

Liebert EXL
72 pages
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Liebert
®
EXL
Installation Manual — 625-1200kVA, 1.0PF, 60Hz, Three-Phase, Single-Module and
Multi-Module

Table of Contents

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Liebert EXL Specifications

General IconGeneral
Frequency50/60 Hz
Operating Temperature0°C to 40°C
EfficiencyUp to 99%
Input Voltage480V
Output Voltage480V
TopologyDouble Conversion
Form FactorTower
Battery TypeVRLA, Lithium-ion
Communication InterfaceRS-232, USB
Humidity0-95% non-condensing

Summary

Important Safety Instructions

Save These Instructions

Manual contains critical safety instructions for Liebert EXL UPS installation.

1.0 Mechanical Installation

1.1 Introduction

Introduces requirements for UPS positioning and cabling.

1.2 Preliminary Checks

Outlines essential pre-installation checks for UPS equipment.

1.3 Environmental Considerations

Details requirements for UPS room environment, ventilation, and air filters.

1.3.1 UPS Room

Specifies the ideal environment for UPS indoor installation, including temperature and ventilation.

1.3.2 Storing the UPS and Batteries for Delayed Installation

Provides guidance on storing UPS and batteries indoors in a clean, dry, cool location.

1.4 Positioning

Covers cabinet handling, lifting from the base, and access points.

1.4.1 Moving the Cabinets

Details planning the route and ensuring passages are wide enough for unit handling.

1.4.2 Clearances

Specifies required clearances around the UPS for personnel and air circulation.

1.4.3 Raised-Floor Installations

Outlines requirements for mounting the UPS on a raised floor using a pedestal.

1.4.4 Kick Plate Installation

Instructions for installing kick plates before final unit placement if access is limited.

1.4.5 Special Considerations for 1+N Parallel Systems

Discusses cabling impedance control for load sharing in 1+N parallel systems.

1.4.6 Special Considerations for Remote Breaker

Addresses specific requirements for remote breaker installations.

1.5 System Composition

Describes the components that can make up a UPS system.

1.6 Cable Entry

Explains options for cable entry into the UPS cabinet.

1.7 Cable Routing

Provides guidance on routing cables according to NEC standards for induction currents.

2.0 UPS Electrical Installation

2.1 External Protective Devices

Guidelines for installing circuit breakers in AC supply and external battery systems.

2.2 Power Cables

Details requirements for power and control cabling, including separation and routing.

2.3 Sizing the Input Breaker Feeding a Liebert EXL UPS

Guidance on sizing the input breaker for the Liebert EXL UPS based on current ratings.

2.3.1 Power Cable Connection Procedure

Details connecting power cables to busbars and equipment grounding.

2.4 Remote Breaker

Information on remote circuit breakers for CB1 and BFB.

2.5 Control Cable and Communication

Covers auxiliary connections for battery systems, BMS, and alarm signaling.

2.5.1 Dry Contacts

Lists UPS digital inputs and their terminal block and pin assignments.

2.5.2 Multi-Module Communication

Explains paralleling cables for 1+N system communication.

2.6 Digital LBS

Explains the Load Bus Sync interface for maintaining UPS unit synchronization.

2.7 Grounding

Provides guidance on grounding configurations, including three-wire and high resistance grounding.

2.7.1 Three-Wire Input Connections

Discusses considerations for three-wire input connections and potential GFI tripping.

2.7.2 High Resistance Grounding

Advises contacting Vertiv to determine compatibility with HRG systems.

2.7.3 Preferred Grounding Configuration, Battery Systems

Details grounding configurations for open-rack and cabinet battery systems.

2.8 Internal Breaker Settings

States that internal breakers are factory-set and should not be altered.

3.0 Optional Equipment

3.1 Single-Module System Options

Details optional accessories for single-module UPS systems.

3.1.1 Battery Temperature Sensor

Describes the optional external battery temperature sensor kit.

3.1.2 Matching Liebert EXL Battery Cabinet

Explains the use of optional battery cabinets for desired autonomy time.

3.1.3 Remote Alarm Status Panel

Details the features of the remote alarm status panel with LED indicators.

3.2 Remote Breaker UPS Installation

Information on installing the remote breaker option for UPS systems.

3.3 Rectifier Input Breaker (RIB)

Describes control connections for the Rectifier Input Breaker (RIB).

3.4 Remote Backfeed Breaker

Details control connections for the Remote Backfeed Breaker (RBB).

3.5 Communication and Monitoring

Lists monitoring options available for the Liebert EXL, including Alber system.

3.5.1 Alber Monitoring System

Explains the Alber battery monitoring system for Liebert EXL Battery Cabinet.

4.0 Installation Drawings

5.0 Specifications

Appendix A - Shipping Splits, Kickplates

Technical Support | Service

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