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Emerson 40-200KVA user manual Normally Open EPO, Normally Closed EPO

Models: 40-200KVA

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5.3.6Emergency 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 19 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 40-200KVA user manual Normally Open EPO, Normally Closed EPO

Contents

Liebert NX UPS Page Table of Contents Options UPS SpecificationsInstallation Drawings Operation Operator Control and Display PanelOperating Instructions Appendix a UPS Status Messages Specifications and Technical DataConnecting EPO push button Tables 114 Viii Important Safety Instructions Page Battery Cabinet Precautions Page Glossary of Symbols Introduction Internal Inspections External InspectionsUPS Location Preliminary ChecksConsiderations in Moving the Liebert NX Battery LocationSpecial Considerations for Parallel Systems Final PositionMechanical Considerations Floor InstallationClearances Cable EntryFront of Units Optional CabinetsFront of Units Power Cabling Cable RatingLug Size and Torque Requirements Cabling Guidelines UPS Input ConfigurationCable Connections Safety GroundProtective Devices UPS Rectifier and Bypass Input SupplyCabling Procedure Common Input ConnectionsDual Input Connections Frequency Converter Mode Output System Connections-Ensure Correct Phase RotationControl Cables Monitor Board FeaturesJ16 J22 J23 J12 J15J13 J21 J25 J26 J30Maintenance bypass cabinet interface Maintenance Bypass Cabinet InterfaceDry Contacts Input Dry ContactsOutput Dry Contacts Battery Circuit Breaker Control InterfaceBCB control interface Output dry contact relaysEPO Input-Optional EPO input contact relaysIndicates Pin Safety Battery Cabinets External Battery Cabinet InstallationConnecting the Batteries Installation ConsiderationsInsulated Post Tray Handle For Cabling Non-Standard Batteries Connecting the Battery Cabinet to the UPSAlber Monitoring System-Optional BCB Shunt TripLoad Bus Synchronization LBS Cable and SettingsPerformance Requirements LBS CableUPS Configuring Parallel Sbasystem Operation Features of Parallel SystemGeneral 480V, 3W System Input 480V, 3W System Output480V, 3W Output RIB 2 UPS Module RIB 3 UPS Module RIB 4 UPS ModuleOperating Principles Redundancy Paralleling Installing Parallel SystemOperation Modes Summary Conditions for Parallel SystemPower Cables Cabinet InstallationPreliminary Checks Parallel Control Cables Parallel System Control CablesAuxiliary Dry Contact Cables Normally Closed EPO Normally Open EPOEnvironmental characteristics UPS Mechanical CharacteristicsUPS mechanical characteristics Conformity and StandardsUPS terminal UPS Electrical CharacteristicsRectifier input power Rated Power kVA 100 120 160Input Rectifier Battery Models Manufacturer Supplied Liebert-approved replacement batteriesRated Power kVA 100 120 160 200 DC Intermediate CircuitBypass Input Inverter OutputInverter output Bypass inputLiebert BDC Normal UPS ModeMaintenance Mode Cable InstallationLocating the Cabinet Input/Output Wiring Liebert BDC connection to UPS Control wiring for Liebert NX UPS to Liebert BDCInstall Interrupting Circuit breaker schedule Main circuit breakerPanelboard branch circuit breaker Main panelboard circuit breaker208V 225A T3N225TWSquare D I-Line panelboard circuit breaker Subfeed circuit breakerBolting a Liebert Nxups to a Liebert BDC Bolting Cabinets TogetherOutline drawing, Liebert BDC, 47 cabinet Outline drawing, Liebert NX 40-120kVA Weights, Liebert NX 40-120kVABattery cabinet circuit breaker Battery cabinet groundTorque Unit Rating Bolt Size Lb-in N-m80-120 225 Electrical specifications, Liebert NX 160-200kVA Liebert NX 160-200kVA dimensions-front and left sideU389641 GND Front View Left View TOP View Liebert NX 160-200kVA main components-typical unit Detail a 224mm 609.3 872.2 34.3 Detail B Front Detail a CBB Installation Drawings Front Top Right Side Top Front Rear Without Covers Front Run From Conductors Door OpenFront Without Covers Left Side General Description Single module block diagram dual input configurationBattery Mode Normal ModeBypass Supplies Operating ModesMaintenance Mode Parallel Redundancy Mode System ExpansionEco Mode Display Panel Layout Operator Control PanelMimic display status indicators Mimic Display IndicatorsControl buttons Control ButtonsLCD Overview Audible BuzzerUPS System Information Navigation KeysIcons for navigation keys Description of items in UPS system windowLCD Menus and Data Items Descriptions of UPS menus and data window items Language Start/stopTests Current Date and Time Language SelectionSet date and time Current status and history log records UPS Status Messages10.12.2Default Screen Types of LCD Screens10.12.1Opening Display 10.12.4Screen Saver Window 10.12.3UPS Help ScreenPop-Up Windows UPS operating modes Liebert NX Operating ModesStartup Procedure UPS StartupCircuit Breakers Indicator State Switch from Bypass Mode to Normal Mode Switch from Normal Mode to Bypass ModeOperating Instructions Operating Instructions Energize Nx 480 with Bypass Distribution Cabinet BDC Emergency Shutdown With EPO Auto RestartMulti-Module System Procedures Battery Protection11.10.1Battery Undervoltage Pre-Warning 11.10.2Battery End-of-Discharge EOD Protection103 LED Function Status 11.11.2Inserting One Module into a Multi-Module System11.11.3Shutdown Procedure-Complete UPS and Load Shutdown Commissioning a Parallel SystemParallel System Startup Communication and Other User Terminals Power OutputAnalog Input Interface Liebert IntelliSlot CommunicationSee 12.1.5 Configuring Configuring Baud RatesLiebert NX communication options CommentsLiebert IntelliSlot Web card display Relay CardLBS Mode-Load Bus Synchronization Remote Alarm MonitorReplacing Dust Filters MultiPort 4 CardBattery torque rating Torque specificationsBattery In-lb N-m Lug Size and Torque RequirementsCable Lengths Floor to Connection Point Inside UPS Distance to connection points on the Liebert NX UPSParallel system current table Cable size and tightening torques External cabinet dimensions, including side panels113 Enersys battery run times in minutes Battery Run TimesD Dynasty battery run times in minutes Specifications and Technical Data 116 Event Message Description / Suggested Action if any UPS status messages118 119 120 121 Is t Ne tTwor k Care