Emerson 250-400kVA instruction

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Emerson 250-400kVA manual

Contents

Liebert NXL Contacting Liebert for Support Battery Cabinet Precautions Table of Contents Specifications Figures Page Important Safety Instructions Modes of Operation Normal ModeGeneral Description Options Bypass ModeBattery Mode Maintenance Bypass Introduction Main component locations Features Mimic display Monitor/mimic display example Utility fail Monitor/mimic display example Normal power flow Monitor/mimic display example Load on bypass, UPS On Menu tree Touchscreen Navigation Main Display Screen Rating Parameters Configurations Menu Rating System Settings parameters User Settings Adjustable setpoints parameters Adjustable Setpoints Cell Count Adjustment Startup Menu Event ManagementStatus Reports Menu Shutdown menu Shutdown Menu Transfer Menu Transfer/retransfer commands Time remaining display Battery Management Menu Display summary see Figure Silence ResetMetering Help Load on bypass, UPS available OK to Transfer Input power fail, load on battery Input Power Failure-Load on Battery Emergency Module Off Off Battery Remote Emergency Power Off Manual Procedures Startup Procedure Startup commands Maintenance Bypass Load Transfers Load Transfer ProceduresTransfer Procedure Re-Transfer Procedure Maintenance Bypass Load Transfers-If Load is on UPS Bypass Automatic Operations Shutdown ProceduresUPS Shutdown Procedure System Shutdown Procedure Current-versus-time curves of overload capacity Automatic Transfers to Bypass Overload Condition Automatic Retransfers to UPS Automatic Transfers to Bypass, UPS System Faults Safety Precautions Routine Maintenance Liebert Services Air Filters Record Log Component Expected Life Replace Battery MaintenanceUPS component service life Limited Life Components Battery Safety Precautions Battery retorque values Matching Battery Cabinets-OptionalBattery voltage, nominal and float Torque Requirements Torque specifications, unless otherwise labeledDetecting Trouble Rack-Mounted Batteries Corrective Actions Reporting a ProblemUpstream Feeder Circuit Breaker Setting Inspections Environmental Conditions Battery OperationEnvironmental specifications Parameter Specification Input Parameters Electrical specificationsBattery & DC Parameters Liebert NXL Model Size 250 Physical Parameters & Standards, in mm Liebert NXL Model SizeSystem Parameter Specifications Event Message Event Definition Recommended Action Liebert NXL alarm and status messages Observe the One-Line Display. If the input line is Observe the One-Line Display. To identify which Do not Attempt to Close CB3 Until Reset Displayed on the Module Output Meter. If UPS controls monitor the DC Bus positive Resolve the issue that precipitated the EPO Check the One-Line Display for system status UPS, to transfer back to Inverter If this alarm occurs on an operational unit, it Attempt to manually close the disconnect by Module Output Meter. If the load is less than Output Power Factor. If the displayed power factor Until a service visit has been made and action taken When manual transfers are enabled Under normal conditions, no user action is required Observe the One-Line Display and the Active Event If the command to terminate Regeneration Mode If the alarm cannot be reset, or if the alarm condition UPS Alarm and Status Messages UPS Alarm and Status Messages Page That Ne tIti Ti n