Liebert NX | Emerson instruction

AC Power

For Business-Critical Continuity™

Liebert® NX™

Operation and Maintenance Manual –225-600kVA,Three-Phase, Single-Module & Multi-Module

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Emerson manual Liebert NX

Contents

Liebert NX Product Warranty Registration Table of Contents Specifications MaintenanceOptions Figures Page Important Safety Instructions Battery Cabinet Precautions General Description Typical single module UPS system one-line diagram Bypass Mode Normal ModeBattery Mode Maintenance Bypass Options Main component locations-225 to 300kVA Liebert NX Features Front Doors Removed Main display screen, typical Main Display Screen Touchscreen NavigationSystem Status Status Rectifier Bypass Inverter Chg/Boost Battery LoadEvents Log Menu Measures Menu Battery Status Battery MenuBattery Test Battery parameters Battery Measures Life menu Life Menu Animated One Line Mimic Settings MenuRectifier Functional Block About Menu Load on bypass, UPS available Load on Bypass Off DC Source Input Power Failure-Load on DC Source Manual Operations-All Systems Remote Emergency Power Off Startup-Single Module System Startup-1+N System Retransfer Procedure Transfer ProcedureLoad Transfer and Retransfer-Single Module System 6 1+N System Transfer load from UPS to Bypass Shut Down-Single Module UPS System 7 1+N System Transfer load from Bypass to UPS9 1+N System Shutdown Load Transfer-1+N System Add a UPS to the System Collective Load Transfer-1+N System Remove a UPS from System Collective Overloads Without Transfer Automatic OperationsCurrent-versus-time curves of overload capacity Automatic Transfers to Bypass Overload Condition Automatic Transfers to Bypass, UPS System Faults Automatic Retransfers to UPS MopUPS Shutdown and Monitoring Software Remote Alarm Unit Connectivity Manage UPS AdapterConnectivity combinations Available Selectable Output Contacts Available Selectable Input Contacts Safety Precautions Maintenance Agreements The Signature Program Liebert ServicesProfessional Startup Training Record Log Routine MaintenanceAir Filters UPS component service life Battery MaintenanceLimited Life Components Component Expected Life Replace Battery Safety Precautions Battery voltage, nominal and float Matching Battery Cabinets-OptionalBattery Voltage, VDC Number of Cells Nominal Float 240 480 527 Battery Mfr Battery Model # In-lb N-m Battery retorque valuesOther DC Sources Retorque Value Upstream Feeder Circuit Breaker Setting Inspections Reporting a ProblemDetecting Trouble Items to check include Environmental specifications Battery OperationDC Sources Other DC Sources Physical specifications Electrical specifications Specifications LiebertNX Page Is t Ne tTwor k Care