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Emerson 60HZ 4.3.6Emergency Power Off EPO, X2:3, X2:4, Monitor Board, Connecting EPO push button

Models: 60HZ 480V

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4.3.6Emergency Power Off (EPO)

The external emergency stop facility is identical to that described for the single unit installation— that an individual emergency stop button is provided for each unit.

Figure 20 Connecting EPO push button

UPS2

	X2:3	Monitor Board
	X2:4	Monitor Board
X2:3	Monitor Board
X2:4	Monitor Board

UPS1

Normally

Open EPO

UPS2

X2:1

X2:2 Monitor Board

X2:1

X2:2 Monitor Board

UPS1

Normally

Closed EPO

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Emerson 60HZ, 480V 4.3.6Emergency Power Off EPO, X2:3, X2:4, X2:1 X2:2 Monitor Board X2:1 X2:2 Monitor Board, Options

Contents

Liebert NX UPS AC PowerUser Manual–40-200kVA, 480V,60Hz For Business-CriticalContinuityPage TABLE OF CONTENTS 4.0 OPTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.0 OPERATING INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . FIGURES Figure 39 Main component location drawing Liebert NX 480V, CB2, CB3, CB4 configurations . . . . . . . . . TABLES SAVE THESE INSTRUCTIONS IMPORTANT SAFETY INSTRUCTIONSBattery Cabinet Precautions • Remove watches, rings and other metal objects GLOSSARY OF SYMBOLS Risk of electrical shockAC input AC output Requests the user to consult the manual1.0INSTALLATION 1.1External Inspections1.2.1Storing for Delayed Installation 1.2Internal Inspections1.3Preliminary Checks 1.4UPS LocationBattery Location 1.5Considerations in Moving the Liebert NX1.6Mechanical Considerations 1.4.3Special Considerations for Parallel Systems1.6.2Floor Installation 1.6.1Clearances1.6.3Cable Entry System CompositionInstallation Front of UnitsFront of Units Front of UnitsInstallation Battery CabinetBattery Cabinet Battery Cabinet2.1Power Cabling 2.0ELECTRICAL CONNECTIONS2.1.1Cable Rating Lug Size and Torque Requirements2.1.2UPS Input Configuration 2.1.3Cabling GuidelinesLiebert NX 40-120kVAConnections Liebert NX 160-200kVAConnections2.1.4Cable Connections Figure 4 Input and output busbars2.1.5Safety Ground 2.1.7Cabling Procedure2.1.6Protective Devices UPS Rectifier and Bypass Input SupplyFrequency Converter Mode Common Input ConnectionsDual Input Connections Electrical Connections2.2Control Cables 2.2.1Monitor Board FeaturesFigure 5 Monitor board U2 2.3Dry Contacts Electrical Connections2.3.2Maintenance Bypass Cabinet Interface Table 2 Maintenance bypass cabinet interface2.3.1Input Dry Contacts Figure 7 Input dry contacts2.3.3Battery Circuit Breaker Control Interface 2.3.4Output Dry ContactsTable 3 BCB control interface TableFigure 9 EPO wiring 2.3.5EPO Input—OptionalEPO - NO EPO - NC3.0BATTERY INSTALLATION 3.2Safety3.1Introduction 3.3.1Battery Cabinets 3.3External Battery Cabinet InstallationFigure 10 Battery cabinets for Liebert NX 3.3.3Installation Considerations 3.3.2Connecting the BatteriesFigure 11 Battery cabinet—details 3.3.4Connecting the Battery Cabinet to the UPS Figure 12 Battery tray and supports3.4Non-StandardBatteries 3.5BCB Shunt TripThis power must be UPS protected 3.6Alber Monitoring System—Optional4.1.2LBS Cable and Settings 4.1Load Bus Synchronization4.0OPTIONS 4.1.1Performance Requirements4.2.2Features of Parallel System 4.2Configuring Parallel System Operation4.2.1General 480V, 3W Input 480V DC Battery Input Figure 15 Parallel system block diagramLiebert NX UPS 40-200kVA 480V, 3W UOB Output•Normal Mode Operation •Battery Mode Operation•Bypass Mode Operation •Maintenance Bypass Mode Operation4.3Installing Parallel System 4.3.2Cabinet Installation4.3.4Power Cables 4.3.1Conditions for Parallel SystemFor startup procedure, 9.2 - UPS Startup Auxiliary Dry Contact Cables4.3.6Emergency Power Off EPO Figure 20 Connecting EPO push buttonX2:3 X2:45.0UPS SPECIFICATIONS Environmental characteristicsUPS mechanical characteristics TableUPS Specifications 5.4UPS Electrical CharacteristicsTable 8 UPS terminal Table 9 Rectifier input power 5.4.1Input RectifierUPS terminal continued Table 10 Input voltage window with deratingTable 11 Liebert approved replacement batteries UPS Specifications5.4.2DC Intermediate Circuit 5.4.3Inverter Output5.4.4 Bypass Input UPS SpecificationsTable 14 Bypass input Left Side FrontDetail A FrontFront Parallel Board Installation Drawings FRONT VIEWLEFT VIEW 1239mmTOP VIEW Front of UPS BOTTOM VIEW Front of UPSInstallation Drawings DETAIL A 224mm DETAIL A8.83 609.3 24 872.2 34.3 U3819205 Installation Drawings RIGHT SIDEFRONT SECTION A-ADetail A Top ViewDetail B without BCB Cover PlateInstallation Drawings 49 Battery Cabinet Right-SideViewsA D NX 160-200KVAUPS Module Front View A CBB D CD Installation Drawings External Battery CabinetBattery Breaker Auxiliary ContactsTop Right Side Front845 33.2 965 38 2000 78.7 Right Side FrontInstallation Drawings FrontRear System InputWithout Covers FRONT Installation DrawingsUPS Output Breakers Ground Busbar SystemFRONT Without CoversFRONT Door OpenA B1-B4 FRONT FRONT Without CoversFRONT Door OpenInstallation Drawings LEFT SIDE Without Exterior Panels 965 38 in 200078.7 in RIGHT SIDE Without Exterior Panels7.1General Description 7.0OPERATIONNormal Mode Battery ModeBypass Mode 7.1.1Bypass SuppliesMaintenance Mode Parallel Redundancy Mode System ExpansionFrequency Converter Mode Operation8.0OPERATOR CONTROL AND DISPLAY PANEL 8.1.1Display Panel LayoutFigure 45 Overview of control panel Liquid Crystal Display LCD Mimic display LED2Figure 47 Mimic display indicators location Bypass indicatorLoad indicator Inverter indicatorInverter Off button Fault Clear button Figure 48 Location of control buttonsButton cover EPO button Silence On/Off button Inverter On buttonData and settings Figure 49 Buzzer locationBuzzer Figure 50 Sections of the LCDTable 17 Icons for navigation keys 8.8LCD Menus and Data Items Figure 51 Menu treeOperator Control and Display Panel 8.9Language Selection Figure 52 Language selection8.10Current Date and Time Figure 53 Set date and timeCurrent StatusMessages History Log records menu8.12.2Default Screen Figure 56 Default screen8.12Types of LCD Screens 8.12.1Opening DisplayPress any key back to main menu 8.12.3UPS Help Screen8.12.4Screen Saver Window Figure 57 Help screen8.13.4 Battery Capacity Test Confirmation 8.13.5Battery Self-TestAborted, Condition Not Met8.13Pop-UpWindows 8.13.3System Self-Test9.0OPERATING INSTRUCTIONS 9.1Liebert NX Operating ModesTable 20 UPS operating modes 9.2.1Startup Procedure 9.2UPS Startup9.1.1Circuit Breakers Figure 59 Circuit breakers•Close CB5 CB1, CB2, CB3 and CB5 are closed Switch from Normal Mode to Bypass Mode Switch from Bypass Mode to Normal Mode9.4Auto Restart 9.5Emergency Shutdown With EPO9.7Battery Protection 9.8Multi-ModuleSystem Procedures9.7.1Battery Undervoltage Pre-Warning 9.7.2Battery End-of-DischargeEOD Protection3.Close Input breaker CB1 9.9Commissioning a Parallel System 9.10Parallel System Startup10.1.2Power Output 10.1Communication and Other User Terminals10.0OPTIONS 10.1.1Analog Input Interface10.1.4Communication and Monitoring 10.1.5Configuring Baud RatesTable 21 Liebert NX communication options Figure 62 Liebert IntelliSlot Web card display OptionsTable 23 Relay card jumper configuration Table 22 Relay Card pin configurationRelay Card MultiPort 4 Card Figure 63 MultiPort 4 card pin assignment10.2.1Remote Alarm Monitor Figure 64 Dust filter replacement10.2LBS Mode—LoadBus Synchronization 10.3Replacing Dust Filters11.0SPECIFICATIONS AND TECHNICAL DATA Table 24 Torque specificationsTable 25 Battery torque rating Specifications and Technical DataSpecifications and Technical Data Table 27 Parallel system current tableSpecifications and Technical Data 11.3Cable size and tightening torquesSpecifications and Technical Data 11.4Battery Run Times Table 37 Enersys battery run times in minutesTable 38 C&D Dynasty battery run times in minutes Specifications and Technical DataTable 38 C&D Dynasty battery run times in minutes Specifications and Technical DataTable 39 UPS status messages APPENDIX A - UPS STATUS MESSAGESUPS Status Messages Table 39 UPS status messages UPS Status MessagesEvent Message Description / Suggested Action if anyTable 39 UPS status messages UPS Status MessagesTable 39 UPS status messages UPS Status MessagesTable 39 UPS status messages UPS Status MessagesUPS Status Messages Page Ensuring The High Availability Of Mission-CriticalData And ApplicationsTechnical Support/ Service reducedcapitalequipment andoperatingcosts