Emerson 250 installation manual Front Doors Removed

Page 24

Installation Drawings

Figure 11 Main components, 400kVA Liebert NXL UPS

	EMO BUTTON
HMI SCREEN	OPTIONAL

EXTERNAL INTERFACE BOARD (EIB)

MODULE OUTPUT			BACKFEED		MAIN INPUT


CIRCUIT BREAKER (CB2)					CIRCUIT BREAKER (CB1)
			BREAKER (BFB)

FRONT DOORS REMOVED

OPTION BOX (6 SLOTS)

DOORSAND INNER SKINS REMOVED

20

Image 24

Contents

Liebert NXL Product Warranty Registration Contacting Liebert for SupportTable of Contents Figures Important Safety Instructions Page SINGLE-MODULE Mechanical Installation IntroductionPreliminary Checks Environmental ConsiderationsPositioning System CompositionMaintenance Bypass Cabinet Cable EntryPower Cables UPS Electrical InstallationExternal Protective Devices Dual InputPower Cable Connection Procedure Top Cable EntryControl Cable and Communications External Interface Board connections layoutDry Contacts EPO Input Dry ContactControl Status Inputs Dry Contact Remote EPO inputSwitch Auxiliary Inputs Dry Contacts Control Status Output Dry ContactsLoad 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 Specifications Liebert NXL UPS specificationsBattery & DC Parameters 250 300 400 Input Parameters250 300 400 Physical Parameters and Standards, in mm Environmental ParametersCurrent ratings-battery Liebert NXL system and inverter efficienciesCurrent ratings-rectifier input Current ratings-bypass inputBattery Recommended conduit and cable sizesRectifier Input Bypass InputRecommended lug sizes Series Cable Size One Hole Two HoleNe t ItiTi n That

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