Emerson 480V user manual Tie breaker

Page 85

Operating Instructions

Figure 54 Typical parallel system block diagram with common input supply, with separate batteries and optional output / bypass distribution panel

480V 3W+G	Tie breaker
480V 3W+G
Input
	CB 3

480V 3W+G

Output

CB 3A

CB 1

CB 4

Optional additional systems

SBS

AC

AC

Optional additional systems

I Line

FPC

UPS

NOTE

All equipment servicing procedures must be carried out only by trained personnel.

77

Image 85

Contents

Liebert NX UPS Page Table of Contents Options UPS SpecificationsOperator Control and Display Panel Pop-Up Windows Operating InstructionsAppendix a UPS Status Messages Specifications and Technical DataTables Page Important Safety Instructions Battery Cabinet Precautions Glossary of Symbols External Inspections InstallationPreliminary Checks Internal InspectionsUPS Location Considerations in Moving the Liebert NX Battery LocationMechanical Considerations Special Considerations for Parallel SystemsClearances Floor InstallationCable Entry System CompositionCabinet arrangement-Liebert NX units and battery cabinets UPS Cable Rating Power CablingLug Size and Torque Requirements Cabling Guidelines UPS Input ConfigurationInput and output busbars Cable ConnectionsProtective Devices Safety GroundUPS Rectifier and Bypass Input Supply Output System Connections-Ensure Correct Phase Rotation Cabling ProcedureCommon Input Connections Dual Input ConnectionsMonitor Board Features Frequency Converter ModeControl Cables Dry Contacts Maintenance bypass cabinet interface Maintenance Bypass Cabinet InterfaceInput Dry Contacts Input dry contacts atBCB control interface BCB Control InterfaceMain input fault relay center Inverter mode relay centerOutput Dry Contacts Output dry contact relaysEPO input contact relays EPO Input-OptionalIndicates Pin Introduction SafetyBattery Cabinets External Battery Cabinet InstallationInstallation Considerations Connecting the BatteriesInsulated Post Tray Handle For Cabling Non-Standard Batteries Connecting the Battery Cabinet to the UPSBCB Shunt Trip Alber Monitoring System-Optional This power must be UPS protectedLoad Bus Synchronization LBS Cable and SettingsPerformance Requirements LBS CableFeatures of Parallel System Configuring Parallel System OperationGeneral Operating Principles Redundancy Paralleling Installing Parallel SystemOperation Modes Summary Power Cables Cabinet InstallationConditions for Parallel System Preliminary ChecksAuxiliary Dry Contact Cables InterconnectingCables QByp Q1Ext Q2ExtTo Load Normally Closed EPO Normally Open EPOEnvironmental characteristics UPS Mechanical CharacteristicsUPS mechanical characteristics Conformity and StandardsUPS terminal UPS Electrical CharacteristicsLiebert approved replacement batteries Rectifier input powerRated Power kVA 100 120 Battery Manufacturer Models SuppliedInverter Output DC Intermediate CircuitBypass Input Left Side GND Left Side View Front View Max. Door Swing U3819205 Ext Batt530628 Pg , Rev Battery Breaker External Battery CabinetAuxiliary Contacts Top Top Front Right Side System Front RearRear FRONTOutput Run From Conductors Ph A, B, C UPS Inputs Ph A, B, C System InputPh A, B, C UPS Outputs AC OutputPh A, B, C System Outputs Utility UPS #1-UPS #4 Module AC Ph A, B, C UPS InputsGround UPS U3819301 Isometric ViewGeneral Description Single module block diagram dual input configurationBattery Mode Normal ModeBypass Mode Bypass SuppliesParallel Redundancy Mode System Expansion Maintenance ModeDisplay Panel Layout Operator Control PanelDetailed view of control panel Mimic indicators Control buttons Navigation keysMimic 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 Menu Type Item Type Explanation Descriptions of UPS menus and data window itemsMains InputLanguage Selection Start/stop BatteryTests Set date and time Current Date and TimeCurrent status and history log records UPS Status MessagesTypes of LCD Screens Default ScreenOpening Display Screen Saver Window UPS Help ScreenPop-Up Windows UPS operating modes Liebert NX Operating ModesCircuit breakers Circuit BreakersIndicator State Startup ProcedureUPS Startup Switch from Bypass Mode to Normal Mode Switch from Normal Mode to Bypass ModeMaintenance Bypass Procedure and Powering Down the UPS Emergency Shutdown With EPO Auto RestartMulti-Module System Procedures Battery ProtectionBattery Undervoltage Pre-Warning Battery End-of-Discharge EOD ProtectionTie breaker LED Function Status Inserting One Module into a Multi-Module SystemCommissioning a Parallel System Shutdown Procedure-Complete UPS and Load ShutdownParallel System Start Up Communication and Other User Terminals Power OutputAnalog Input Interface Liebert IntelliSlot CommunicationLiebert NX communication options See 10.1.5 ConfiguringComments Baud RatesConfiguring Baud Rates Liebert IntelliSlot Web card display Relay card jumper configuration Relay Card pin configurationRelay Card Pin Function OperationAssignment MultiPort 4 CardPin Description LBS Mode-Load Bus Synchronization Remote Alarm MonitorReplacing Dust Filters Battery torque rating Torque specificationsLug Size and Torque Requirements Cable Lengths Floor to Connection Point Inside UPSParallel system current table Distance to connection points on the Liebert NX UPSCable size and tightening torques External cabinet dimensions, including side panelsLead/Lag ratings 250 10 N*m Estimated battery run time, minutes Battery Run TimesUPS status messages Services at 800-543-2378 for assistanceEvent Message Description / Suggested Action if any Bypass voltage is beyond the normal range High ambient air temperatureBypass voltage exceeds the limit Software according to the customer’s agreementAlarm if applicable Error can also leads to the alarmInverter STS Fail Condition is removedEPO Emergency Power OffUPS status messages UPS Status Messages Page Iti Ne tTi n That

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