Emerson 250-400kVA Installation Manual

AC PowerFor Business-Critical Continuity™Liebert® NXL™ Maintenance Bypass CabinetInstallation Manual – 250-400kVA, 60Hz

Single-Module Mechanical InstallationLiebert® NXL™6Figure 1 Cabinet arrangement—Liebert NXL UPS, battery cabinets, Maintenance Bypass CabinetLiebert N

Single-Module Mechanical Installation7Liebert® NXL™1.6.1 Power Cable Connection ProcedureThe system input, UPS bypass, UPS output and system output ca

Single-Module Mechanical InstallationLiebert® NXL™85. Connect the UPS Inputa. For two-breaker Maintenance Bypass Cabinetsi. If the system is a three-i

Installation Drawings9Liebert® NXL™2.0 INSTALLATION DRAWINGSFigure 2 Liebert NXL two-breaker Maintenance Bypass Cabinet, one-input, attachedFigure 3 L

Installation DrawingsLiebert® NXL™10Figure 4 Liebert NXL two-breaker Maintenance Bypass Cabinet, two-input to bypass, attachedFigure 5 Liebert NXL two

Installation Drawings11 Liebert® NXL™Figure 6 Liebert NXL two-breaker Maintenance Bypass Cabinet, three-input, attachedBattery SystemCritical LoadBFBC

Installation DrawingsLiebert® NXL™12Figure 7 Liebert NXL two-breaker Maintenance Bypass Cabinet—250 and 300kVA main component locationMAINTENANCEISOLA

Installation Drawings13 Liebert® NXL™Figure 8 Liebert NXL two-breaker Maintenance Bypass Cabinet—400kVA main component locationBREAKER REMOVED FOR CLA

Installation DrawingsLiebert® NXL™14Figure 9 Liebert NXL two-breaker Maintenance Bypass Cabinet—250 and 300kVA outline drawingCGCGConduitLandingAreaCo

Installation Drawings15 Liebert® NXL™Figure 10 Liebert NXL two-breaker Maintenance Bypass Cabinet—400kVA outline drawingSee Note 10See Note 11CGCGKnoc

CONTACTING EMERSON NETWORK POWER® FOR SUPPORTTo contact Emerson Network Power Liebert® Services for information or repair service in the United States

Installation DrawingsLiebert® NXL™16Figure 11 Liebert NXL two-breaker Maintenance Bypass Cabinet—250 and 300kVA terminal detailsBREAKER REMOVED FOR CL

Installation Drawings17 Liebert® NXL™Figure 12 Liebert NXL two-breaker Maintenance Bypass Cabinet—400kVA terminal detailsBREAKERS REMOVED FOR CLARITYN

Installation DrawingsLiebert® NXL™18Figure 13 Cable routing—Two-breaker styleTOP ENTRY NOTES:1. Cables from lower busbars must be routed and tied t

Installation Drawings19 Liebert® NXL™Figure 14 Liebert NXL two-breaker Maintenance Bypass Cabinet, one-input system, point-to-point wiring to UPSNOPEB

Installation DrawingsLiebert® NXL™20Table 1 Liebert-supplied interconnect wiring for one-input Liebert NXL two-breaker Maintenance Bypass CabinetRun T

Installation Drawings21 Liebert® NXL™Figure 15 Liebert NXL two-breaker Maintenance Bypass Cabinet, two-input system, point-to-point wiring to UPSNOPEB

Installation DrawingsLiebert® NXL™22Table 2 Liebert-supplied interconnect wiring for two-input Liebert NXL two-breaker Maintenance Bypass CabinetRun T

Installation Drawings23 Liebert® NXL™Figure 16 Liebert NXL two-breaker Maintenance Bypass Cabinet, three-input system, point-to-point wiring to UPSNOP

Installation DrawingsLiebert® NXL™24Table 3 Liebert-supplied interconnect wiring for three-input Liebert NXL two-breaker Maintenance Bypass CabinetRun

Installation Drawings25 Liebert® NXL™Figure 17 Liebert NXL two-breaker Maintenance Bypass Cabinet control wiring diagram without interlock LOW VOLTAGE

iTABLE OF CONTENTSIMPORTANT SAFETY INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11.0 SI

Installation DrawingsLiebert® NXL™26Figure 18 Liebert NXL two-breaker Maintenance Bypass Cabinet control wire diagram with interlock LOW VOLTAGETERMI

Installation Drawings27 Liebert® NXL™Figure 19 Liebert NXL two-breaker Maintenance Bypass Cabinet control wire routingConduit KnockoutsFor Control Wir

Installation DrawingsLiebert® NXL™28Figure 20 Ground strap location for connected cabinetsReference of corner postof connected cabinetsCabinet-to-Cabi

Specifications29 Liebert® NXL™3.0 SPECIFICATIONSTable 6 Liebert NXL Maintenance Bypass Cabinet specificationsModel Size 250 300 400 Input Parameters I

SpecificationsLiebert® NXL™30Table 7 Liebert NXL Maintenance Bypass Cabinet current ratings—System InputUPS Rating Voltage (VAC) System InputkVA kW In

Specifications31 Liebert® NXL™Table 11 Recommended conduit and cable sizes—Module Bypass InputUPSRating System Input Voltage (VAC)Module Bypass InputN

SpecificationsLiebert® NXL™32NotesSee the Liebert NXL UPS installation manual, SL-25420, for UPS rectifier, UPS bypass and UPS output sizes. The manua

Specifications33 Liebert® NXL™Notes

SpecificationsLiebert® NXL™34

iiTABLESTable 1 Liebert-supplied interconnect wiring for one-input Liebert NXL two-breakerMaintenance Bypass Cabinet . . . . . . . . . . . . . . . . .

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

Important Safety Instructions1Liebert® NXL™IMPORTANT SAFETY INSTRUCTIONSSAVE THESE INSTRUCTIONSThis manual contains important instructions that should

Important Safety InstructionsLiebert® NXL™2ELECTROMAGNETIC COMPATIBILITY—The Liebert NXL complies with the limits for a Class A Digital Device, pursua

Single-Module Mechanical Installation3Liebert® NXL™1.0 SINGLE-MODULE MECHANICAL INSTALLATION1.1 IntroductionThis section describes the requirements th

Single-Module Mechanical InstallationLiebert® NXL™4When bottom entry is used, the conduit plate can be removed and punched and replaced. The bottom co

Single-Module Mechanical Installation5Liebert® NXL™1.4.3 Floor Installation/AnchoringThe installation diagrams in 2.0 - Installation Drawings of this