Emerson 250 installation manual

AC Power

For Business-Critical Continuity™

Liebert® NXL™

Installation Manual – 250-400kVA, 60Hz, Three Phase Single-Module

Contents

Main CONTACTING LIEBERT FOR SUPPORT Product Warranty Registration TABLE OF CONTENTS FIGURES TABL ES IMPORTANT SAFETY INSTRUCTIONS SAVE THESE INSTRUCTIONS Page 1.0 SINGLE-MODULE MECHANICAL INSTALLATION 1.1 Introduction 1.2 Preliminary Checks 1.3 Environmental Considerations 1.3.1 UPS Room 1.4 Positioning 1.4.1 Moving the Cabinets 1.4.2 Clearances 1.4.3 Floor Installation/Anchoring 1.5 System Composition Page 2.0 UPS ELECTRICAL INSTALLATION 2.1 External Protective Devices Dual Input 2.2 Power Cables 2.2.1 Power Cable Connection Procedure ! 2.3 Control Cable and Communications 2.3.1 Dry Contacts EPO Input Dry Contact Control Status Inputs Dry Contact Switch Auxiliary Inputs Dry Contacts Control Status Output Dry Contacts 2.3.2 Load Bus Synch Connection Status signals are outputs through volt-free, normally open and normally closed contacts. Table 3 Circuit breaker or switch auxiliary contact Inputs 3.0 OPTIONAL EQUIPMENT 3.1 Single-Module System Options 3.1.1 Matching Maintenance Bypass Cabinet 3.1.2 Battery Temperature Sensor 3.1.3 Matching Liebert NXL Battery Cabinet 4.0 INSTALLATION DRAWINGS 56.8" (1443mm) CG B A Detail A Detail B Top View (Doors Open) Doors and Inner Skins Removed Page Figure 7 Input/output conduit detail drawing, 250-300kVA Liebert NXL UPS C BOTTOM VIEW DETAIL D B A FRONT VIEW SIDE VIEW Figure 9 Bottom cable entry routing and installation order SIDE VIEW FRONT VIEW Figure 10 Input/output terminal detail, 400kVA Liebert NXL UPS A B DETAIL D C D FRONT DOORS REMOVED DOORSAND INNER SKINS REMOVED Figure 12 Outline drawing, 400kVA Liebert NXL UPS B RIGHT SIDE VIEW A BOTTOM VIEW DETAIL A FRONT Page 5.0 S Table 6 Liebert NXL UPS specifications Page Notes on Tables Specifications 26 Table 12 Recommended conduit and cable sizes Rectifier Input Bypass Input Output Battery Table 13 Recommended lug sizes Ensuring The High Availability 0f Mission-Critical Data And Applications. Technical Support / Service Locations