Emerson 480V user manual Glossary of Symbols

Page 11

GLOSSARY OF SYMBOLS

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PbH2SO4

Risk of electrical shock

Indicates caution followed by important instructions

AC input

AC output

Requests the user to consult the manual

Indicates the unit contains a valve-regulated lead acid battery

Recycle

DC voltage

Equipment grounding conductor

Bonded to ground

AC voltage

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Contents Liebert NX UPS Page Table of Contents Operator Control and Display Panel UPS SpecificationsOptions 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 InstallationUPS Location Internal InspectionsPreliminary Checks Special Considerations for Parallel Systems Battery LocationConsiderations in Moving the Liebert NX Mechanical ConsiderationsSystem Composition Floor InstallationClearances Cable EntryCabinet arrangement-Liebert NX units and battery cabinets UPS Lug Size and Torque Requirements Power CablingCable Rating Cabling Guidelines UPS Input ConfigurationInput and output busbars Cable ConnectionsUPS Rectifier and Bypass Input Supply Safety GroundProtective Devices Dual Input Connections Cabling ProcedureOutput System Connections-Ensure Correct Phase Rotation Common Input ConnectionsControl Cables Frequency Converter ModeMonitor Board Features Dry Contacts Input dry contacts at Maintenance Bypass Cabinet InterfaceMaintenance bypass cabinet interface Input Dry ContactsBCB control interface BCB Control InterfaceOutput dry contact relays Inverter mode relay centerMain input fault relay center Output Dry ContactsIndicates Pin EPO Input-OptionalEPO input contact relays Introduction SafetyBattery Cabinets External Battery Cabinet InstallationInsulated Post Tray Handle For Cabling Connecting the BatteriesInstallation Considerations BCB Shunt Trip Connecting the Battery Cabinet to the UPSNon-Standard Batteries Alber Monitoring System-Optional This power must be UPS protectedLBS Cable LBS Cable and SettingsLoad Bus Synchronization Performance RequirementsGeneral Configuring Parallel System OperationFeatures of Parallel System Operation Modes Summary Installing Parallel SystemOperating Principles Redundancy Paralleling Preliminary Checks Cabinet InstallationPower Cables Conditions for Parallel SystemCables InterconnectingAuxiliary Dry Contact Cables To Load Q1Ext Q2ExtQByp Normally Closed EPO Normally Open EPOConformity and Standards UPS Mechanical CharacteristicsEnvironmental characteristics UPS mechanical characteristicsUPS terminal UPS Electrical CharacteristicsBattery Manufacturer Models Supplied Rectifier input powerLiebert approved replacement batteries Rated Power kVA 100 120Bypass Input DC Intermediate CircuitInverter Output Left Side GND Left Side View Front View Max. Door Swing U3819205 530628 Pg , Rev BattExt Auxiliary Contacts External Battery CabinetBattery Breaker Top Top Front Right Side System Front RearRear FRONTOutput Run From Conductors AC Output Ph A, B, C System InputPh A, B, C UPS Inputs Ph A, B, C UPS OutputsGround UPS Utility UPS #1-UPS #4 Module AC Ph A, B, C UPS InputsPh A, B, C System Outputs U3819301 Isometric ViewGeneral Description Single module block diagram dual input configurationBypass Supplies Normal ModeBattery Mode Bypass ModeParallel 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 BuzzerDescription of items in UPS system window Navigation KeysUPS System Information Icons for navigation keysLCD Menus and Data Items Input Descriptions of UPS menus and data window itemsMenu Type Item Type Explanation MainsTests Start/stop BatteryLanguage Selection Set date and time Current Date and TimeCurrent status and history log records UPS Status MessagesOpening Display Default ScreenTypes of LCD Screens Screen Saver Window UPS Help ScreenPop-Up Windows UPS operating modes Liebert NX Operating ModesCircuit breakers Circuit BreakersUPS Startup Startup ProcedureIndicator State 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 RestartBattery End-of-Discharge EOD Protection Battery ProtectionMulti-Module System Procedures Battery Undervoltage Pre-WarningTie 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 Liebert IntelliSlot Communication Power OutputCommunication and Other User Terminals Analog Input InterfaceBaud Rates See 10.1.5 ConfiguringLiebert NX communication options CommentsConfiguring Baud Rates Liebert IntelliSlot Web card display Pin Function Operation Relay Card pin configurationRelay card jumper configuration Relay CardPin Description MultiPort 4 CardAssignment Replacing Dust Filters Remote Alarm MonitorLBS Mode-Load Bus Synchronization Cable Lengths Floor to Connection Point Inside UPS Torque specificationsBattery torque rating Lug Size and Torque RequirementsParallel system current table Distance to connection points on the Liebert NX UPSLead/Lag ratings External cabinet dimensions, including side panelsCable size and tightening torques 250 10 N*m Estimated battery run time, minutes Battery Run TimesEvent Message Description / Suggested Action if any Services at 800-543-2378 for assistanceUPS status messages Software according to the customer’s agreement High ambient air temperatureBypass voltage is beyond the normal range Bypass voltage exceeds the limitCondition is removed Error can also leads to the alarmAlarm if applicable Inverter STS FailEPO Emergency Power OffUPS status messages UPS Status Messages Page That Ne tIti Ti n

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480V specifications

The Emerson 480V power systems play a critical role in modern industrial applications, providing reliable and efficient power distribution. These systems are designed for facilities that require robust performance and operational efficiency while adhering to safety regulations. With voltage ratings at 480V, they cater primarily to industries such as manufacturing, data centers, and commercial buildings.

One of the main features of the Emerson 480V systems is their scalability. These systems can be easily adapted and expanded as operational demands grow, thereby reducing initial investment costs and providing a flexible solution for evolving business needs. This ability to scale is crucial in a fast-paced environment where demands can change rapidly.

The Emerson 480V systems also incorporate advanced technologies for improved performance and safety. One key technology is the use of smart grid solutions. This enables real-time monitoring, diagnostics, and control, allowing facility managers to optimize energy consumption and reduce operational costs. Furthermore, these systems often include integrated protection devices that enhance safety measures by minimizing the risk of electrical faults, overloads, or short circuits.

Energy efficiency is another characteristic that distinguishes Emerson 480V systems from traditional alternatives. With advanced power management features, these systems effectively reduce energy waste and lower electricity bills. Emerson’s commitment to sustainability is evident in its designs, which aim to minimize environmental impact through energy-efficient technologies.

The build quality of Emerson 480V systems is also noteworthy. They are designed to withstand harsh industrial environments and are constructed with high-grade materials that promote longevity and reliability. The modular design allows for easy maintenance and repair, which further extends the lifespan of the system.

Additionally, Emerson 480V systems are equipped with user-friendly interfaces that facilitate ease of operation. This ensures that operators can efficiently manage and control power distribution without extensive training. The combination of performance, scalability, safety features, and user-centric design makes Emerson 480V systems an ideal choice for businesses looking to enhance their electrical infrastructure.

In summary, Emerson 480V power systems are a leading solution for industrial power distribution, characterized by their scalability, smart technology integration, energy efficiency, robust build quality, and user-friendly operation. These attributes make them a valuable investment for any organization aiming to improve its electrical management and operational performance.