Emerson 250 installation manual Doors and Inner Skins Removed

Page 18

Installation Drawings

Figure 5 Main components location, 300kVA Liebert NXL UPS

EMO Button

HMI Screen(optional) LiebertIntellislot®

Bays

Customer

Interface

Board

Module Output	Main Input
Circuit Breaker (CB2)	Circuit
Backfeed Breaker	Breaker (CB1)
Backfeed Breaker
(BFB)	Option Box
	Option Box
	(6 slots available)
	Input/Output
	Cabinet

CB Interface

Boards

Doors and Inner Skins Removed

14

Image 18

Contents

Liebert NXL Product Warranty Registration Contacting Liebert for SupportTable of Contents Figures Important Safety Instructions Page Preliminary Checks SINGLE-MODULE Mechanical InstallationIntroduction Environmental ConsiderationsPositioning System CompositionMaintenance Bypass Cabinet Cable EntryExternal Protective Devices Power CablesUPS Electrical Installation Dual InputPower Cable Connection Procedure Top Cable EntryControl Cable and Communications External Interface Board connections layoutControl Status Inputs Dry Contact Dry ContactsEPO Input Dry Contact Remote EPO input Switch Auxiliary Inputs Dry Contacts Control Status Output Dry Contacts Load Bus Synch Connection Single-Module System Options Communication and MonitoringOptional Equipment Installation Drawings Main components location, 250kVA Liebert NXL UPSTop View Doors Open Doors and Inner Skins Removed Outline drawing, 300kVA Liebert NXL UPS Front Front View Side View Front View Right Side View Front Doors Removed Front Detail a Battery & DC Parameters SpecificationsLiebert NXL UPS specifications 250 300 400 Input Parameters250 300 400 Physical Parameters and Standards, in mm Environmental ParametersCurrent ratings-rectifier input Current ratings-batteryLiebert NXL system and inverter efficiencies Current ratings-bypass inputRectifier Input BatteryRecommended conduit and cable sizes Bypass InputRecommended lug sizes Series Cable Size One Hole Two HoleTi n Ne tIti That

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