Emerson NXL 250 Manuel d'installation

AC PowerFor Business-Critical Continuity™Liebert® NXL™ Ship-Ahead Input/Output CabinetInstallation Manual – 250-400kVA, 60Hz

Electrical Installation6Top Cable EntryWhen making the power connections, the recommended order of pulling and installing cables is to start from the

Electrical Installation7Notes on Tables1. Nominal input current (considered continuous) is based on full-rated output load. Maximum current includes n

Electrical Installation8Table 6 Recommended lug sizesCable SizeT&B Series 54000One HoleT&B Series 54000Two Hole#8 AWG 54930BE 54850BE#6 AWG 54

Installation Drawings93.0 INSTALLATION DRAWINGSFigure 1 Input/output conduit detail drawing, 250-300kVA Liebert NXL UPSOUTPUTNEUTRALINNER PANELREMOVED

Installation Drawings10Figure 2 Input/output conduit detail drawing, 400kVA Liebert NXL UPSNOTES:1. ALL DIMENSIONS ARE IN inches (mm).2. 24" MINI

Installation Drawings11Figure 3 Top cable entry routing and installation orderThe cables must be routedaround the fault braces. This isto prevent the

Installation Drawings12Figure 4 Bottom cable entry routing and installation orderSIDE VIEWFAULT BRACEOUTPUTFAULT BRACERECTIFIER INPUTFAULT BRACEBYPASS

Installation Drawings13Figure 5 Floor mount brackets—standard and optional layoutWARNINGBrackets MUST remain attached to the frame until theunit is be

Installation Drawings14

CONTACTING LIEBERT FOR SUPPORTTo contact Liebert Services for information or repair service in the United States, call 1-800-LIEBERT (1-800-543-2378).

Ensuring The High AvailabilityOf Mission-Critical Data And Applications.Emerson Network Power, a business of Emerson (NYSE:EMR),is the global leader i

iTABLE OF CONTENTS1.0 MECHANICAL INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21.1 Intr

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1IMPORTANT SAFETY INSTRUCTIONSSAVE THESE INSTRUCTIONSThis manual contains important instructions that should be followed during installation of your L

Mechanical Installation21.0 MECHANICAL INSTALLATION1.1 IntroductionThis following section describes the requirements that must be taken into account w

Mechanical Installation31.4.1 Moving the CabinetsThe Liebert NXL Input/Output Cabinet can be handled with a forklift or similar equipment.When moving

Electrical Installation42.0 ELECTRICAL INSTALLATIONThis chapter provides guidelines for qualified installers who must have knowledge of local wiring p

Electrical Installation5The following are guidelines only and are superseded by local regulations and codes of practice where applicable:• Take specia