Liebert 30-130kVA manual Overview of Manual

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OVERVIEW OF MANUAL

The Npower manual is organized so that information can be found quickly. Each major topic is sepa- rated by sections, and there is a Table of Contents for each section. The names of the sections and their contents are described below.

Section 1 - INTRODUCTION is a summary of the Npower Uninterruptible Power System (UPS). It describes some of the unique features and benefits of the Npower UPS, as well as the design princi- ples and standards that Liebert follows in the manufacture of each system. A description of the Npower system and an overview of its functions are also included.

Section 2 - THEORY OF OPERATION is an explanation of the major circuit groups of the Npower UPS. This section is for individuals who want to know both the basics and the specifics of each major component. The text explains how the UPS handles electrical disturbances and interruptions.

Section 3 - OPERATION is written for facility personnel responsible for the operation of the system. It details the procedures required to start-up the system, to transfer the load between the available sources, and to shut down the system. Both manual and automatic operations are described. Operator controls and displays, including the solid state liquid crystal display (LCD) screen, are illustrated and explained for the UPS Module.

Section 4 - MAINTENANCE lists routine maintenance checks and helps the Operator pinpoint and quickly resolve problems if they arise.

If you require assistance for any reason, call Liebert Global Services at 1-800-LIEBERT. For best ser- vice, please have the following information available:

Part Numbers:

Serial Numbers:

kVA Rating:

Date Purchased:

Date Installed:

Location:

Input Voltage:

Output Voltage:

Battery Reserve Time:

2

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Contents Npower UPS Page Table of Contents Maintenance Communication InterfacesFigures Page Tables Page Important Safety Instructions Overview of Manual System Description Reliability Safety PrecautionsFactory Backup and Service Assistance VersatilityNormal Load On UPS Input Power FailureModes Of Operation RechargeCHG Mimic DisplaySYS. Status Operator Controls OptionsGeneral Component Description Battery SystemUPS Module Controls Hardware Detailed Component DescriptionsFirmware Rectifier/Charger Input Power FactorBattery Charging Circuit OperationBattery Equalize Charge Circuit Battery DisconnectBattery Charge Current Limiting Operation After End-of-dischargeStatic Bypass Switch Nonlinear Load CharacteristicsUnbalanced Load Characteristics Static Switch Backfeed ProtectionTransfer and Retransfer Conditions Operation Operation Operator Control Panel Navigation ButtonsRotary Switch Rotary switchSecurity Access and Passwords ConfigurationUser Settings Prev Cancel Save & ExitDisplay Screens and Procedures Menu TreePrimary Screens Secondary ScreensMain Menu Screen Mimic Display ScreenRect FaultsFaults / Alarms DischgMimic Display SYS. StatusFreq DC BUS / Battery StatusInput Status Temps DEG C Inlet AIR Outlet AIR Heat SinksBypass Input Status Freq .9 HZ 213 214 Phase DiffOutput Load Status User Shutdown Active Faults and AlarmsFaults and Alarms EXI TSystem Ratings NextSecond Scenario Manual StartupAuto Startup Serv Input Modify Current Limit Target and Ramp ValuesModify DC BUS SET Point Target and Ramp Values Skip AbortSIB External Maintenance Bypass External maintenance bypass switch, dual-input UPSExternal maintenance bypass switch, single-input UPS Multiple Battery Cabinets External Maintenance Bypass Switch ConfigurationsUser Shutdown ShutdownHistory LOG Clear History Logs Clear Event LOG Status ReportsSystem Status Status ReportsTotal Event LOGEvent Log OUT-V IN-V Load Freq History LOG02 / 10 OutputSBS Line Trap SBS Load Input of / UFConfiguration Screens ExitOutput Frequency DC BUS VoltsInput Frequency PrevSystem Settings System SettingsCancel Save & Exit Current DateOrder Number Next PREV. Cancel Save & ExitCurrent Time TimeDual Enter PasswordSingle / Dual Input Output Transformer Bypass WIND. noActive Filter LBS Generator Auto Restart 10% Passive Filter SettingsOptions OptionsLine Drop Compensation Pulse Rectifier Battery GND Fault Green MachineAlternate Power Pole FAN no Prev ExitAuto Dial Communication OptionsNext Exit Modem Health Check Pager Support ConfigurationPager Enabled Pager Number Pager PIN Auto Dial YES Auto Dial OUT PagerPREV. Cancel Next PREV. Cancel Factory Settings 10 % Passive Filter SettingsNext Cancel Dial Alarm MaskLatching FreezeAlarm / Fault Name F E Alarm / Fault NameAlarm / Fault Name Battery Fuse Fail Save & Exit CancelCustomer Alarm Interface Auto DialProgrammable Output Relay Board # Customer Alarm InterfaceRemote LED Board # STD SET User Defined Relay AssignmentsSTD SET Prog Relay # UP Down ADD Remove Clear ExitNavigating Protocol Manual TransferBattery Management Battery TestAuto Test Battery Equalizer Battery CycleBattery Duration MIN MAX WeeksManual Enabled DisabledAuto Stop StartBattery Temperature Compensation Charge Battery Temp Compensation ChargeTemperature Equalize Time PeriodBattery Temp Compensation Battery Cycle MonitorSummary Clear BCM Battery Cycle MonitorClear Summary YES / no Summary Seconds Discharge CyclesTime Down Battery Time Low Warning BATT. EOD Lower SET Point BATT. EOD Upper SET PointBATT. Time LOW Warning Battery SupplementAuto Restart Alarm Notifications Auto Restart Trigger ConditionSystem Status System Status MonitoringNext Prev Save & Exit System StatusSign OFF Date 10/30/01 Sign OFF Date 10/30/02Accumulated Operating Hours on Bypass Accumulated Backup HoursAccumulated Operating Hours on UPS Accumulated # of Brown OutsFaults, Alarms, Status FaultsUP Down Alarm / Fault Name F E DelayOn Battery Input Contact #1 Description L Latching...D DialSummary Alarm Messages Alarms, functions, and corrective actionsContact Liebert Global Service to check Excess load from the UPS and attempt to EPO Maximum heat sink temperature limit This is a summary event based on Battery is discharging. This occurs RMS input current has reached Output kVA or kW or RMS current has With the load on UPS, PhaseB output KVA Condition only causes an alarm, but should Push-button switch located on See 3.3.7 Battery Management All of the alarms before attempting to Communication Interfaces StatusWorldwide Reporting 1 RS-232 Port Local Reporting TerminalAuto-Dial Requesting Information Dial Out PagerRemote Alarm Status Panel SiteScanLoad on Bypass Setting Up External Communication DevicesOK to Transfer Input Power Failure Load on Battery Momentary OverloadsAutomatic Transfers to Bypass Automatic OperationsOverloads Automatic Re-transfers to UPSAutomatic Module Off Line Maintenance Record Log Routine MaintenanceBattery Maintenance Air FiltersBattery Safety Precautions Battery voltage record Torque RequirementsCorrective Actions Reporting a ProblemDetecting Trouble Recommended Test EquipmentMaintenance 101 Maintenance 102 Page Ne t