Liebert Series 600T manual B2. Set the Static Switch Disconnects OFF open

Page 98

NOTE

If the system was shut down in response to an “Emergency Off, there may be alarm messages on the LCD screen that describe system conditions before (or at the time of) the shutdown. Some or all of the alarm conditions may have already been resolved. To clear these alarm messages, turn off the control power (see Figure 8 and Figure 9). Wait at least ten minutes for the control power circuitry to completely de- energize. After ten minutes, turn control power back on and wait two minutes before continuing.

CAUTION

If you are recovering from a UPS system shutdown for maintenance procedures, verify that all of the SCC doors are closed and latched. All test equipment must be removed from the system. All electrical connections must be secure.

Power must be provided to the UPS controls so the operator can use the LCD display and so the system logic can perform its control functions. Note that you can use the LCD display to monitor UPS system status, even when the UPS modules are not operating.

During a start-up procedure, power is supplied to the critical load through the UPS (internal) bypass line while the UPS modules are being energized. Depending on the reason for your UPS system shutdown, you may already have power through the bypass line. You can determine this by observing the Monitor/Mimic Display screen at the System Control Cabinet (SCC).

Step 2. If the bypass line is not supplying the load, the LCD screen will be blank. Energize the bypass line by operating the following controls:

a.Close the Bypass Input Breaker (BIB). This breaker may be in your Maintenance Bypass cabinet.

NOTE

Wait two minutes after applying bypass power before you operate any other UPS controls.

CAUTION

DO NOT assume that the UPS System Bypass Breaker (SBB) is closed.

Instructions for operating the Maintenance Bypass circuit breakers are on the Maintenance Bypass cabinet.

Make sure you understand the proper sequence before operating any circuit breaker. Operating a Maintenance Bypass circuit breaker out of sequence could cut off power to the critical load.

b.Observe the Monitor/Mimic Display screen to determine if your System Bypass circuit breaker (SBB) is closed and whether the UPS Bypass line is supplying power to the critical load.

If your System Bypass circuit breaker is open (as in recovering from an Emergency Power Off or Low Battery Shutdown), close this circuit breaker as follows:

b1. Open the SCC control panel door and find the Transfer Relay Board (Figure 11). If the red LED (CR18) labeled TOT S/D (Total Shutdown) is on, press the Bypass Reset switch (SW1) on this board. The red LED should turn off.

b2. Set the Static Switch Disconnects (Figure 9) OFF (open).

NOTE

Depending on SCC model, the static switch disconnects can be two circuit breakers, contactors or plug-in connections on a drawout carriage assembly. The location could be at the front, right, or rear of the cabinet. Refer to the drawing of the SCC cabinet selected for your UPS system.

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Operation

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PRODUCT

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Contents Series 600T UPS DIS Product Table of Contents Manual Procedures Figures Tables Important Safety Instructions Overview of this Manual System Description Multi-Module UPS, 65-80 kVA left and 100-500 kVA rightProduct Multi-Module 500-750 kVA UPS Types of System Control Cabinets SCCs System Control Cabinets SCCsOther Factors to Consider ReliabilityDesigned for Success Safety Precautions Modes of Operation Operator Controls DIS Product Options General Component Descriptions System Control CabinetBattery Plant UPS ModuleFirmware Detailed Component DescriptionsControls Hardware Rectifier/ChargerInput Circuit Breaker Input Power FactorBattery Charging Circuit Isolation TransformerBattery Equalize Charge Circuit Battery DisconnectBattery Charge Current Limiting Operation After End-of-DischargeInverter Non-Linear Load CharacteristicsUnbalanced Load Characteristics Output Regulation and Overload PerformanceFuse Protection Static Switch IsolationStatic Bypass Shorted SCR MonitoringPulsed Parallel Operation Load TransfersManual Transfers Transfer and Retransfer ConditionsAutomatic Transfers to Bypass Transfer InhibitedRetransfer Inhibited Redundant ModeManual Retransfers Features Display Screen and Operator ControlsDescription Function System Control Cabinet Operator Controls Sccb Pictured Shutdown Procedures Description Location FunctionSwitches Behind SCC Control Panel Door Menu Tree Master Menu Screen WALK-IN Display modules onlyCustomer Alarm Definitions SCC only Load Transfer Procedures SCC onlyBattery Time modules only Output Metering Displays Monitor/Mimic Display ScreenInput Metering Displays Item 5 Module Status Messages Status/Alarm Message AreasItem 7 Alarm Messages Item 6 System Status MessagesModule Monitor/Mimic Display Screen Alarm Messages Item 5 Alarm MessagesMOD 1 on Line MOD 2 on Line MOD 3 on Line UPS Ratings UPS Input PWR UPS Ratings UPS Input PWR Bypass Input Load Bypass Input C-A Walk-In Display Screen Walk-In Display Screen During Start-UpStatus Reports Screens Status Reports ScreenPresent Status Select ExitEvent History Event History MODULE-0History Status History Status Report ScreensSCC ModuleBattery Cycle Monitor Module Only System StatusBattery Cycle Monitoring Summary Screen System Configuration Screens System ConfigurationDate Date ScreenTime Time ScreenAuto Dial DialModem Baud Rate Modem Baud RateMaximum Auto-Retransfer Attempts Retransfer AttemptsRemote Monitor Alarm Limit Settings Screen Alarm SettingsProduct Load Transfer Procedures Screen Refer to 3.3.2 Load Transfer Procedures for more detailsStart-Up Procedures Screen Refer to 3.3.1 Start-Up Procedure for more detailsModule Start- Up Procedures Screen Shutdown Procedures Screen Shutdown ProceduresModule Shutdown Procedures Screen Battery Time Screen Module Only VDCBattery Time Screen Example 45 Minute Discharge Range of Values for Calculated Battery Times Aining Rem Tim Calculated La p s e d T im e M in u te sMeter Calibration Screen UP Cursor UP Down Cursor Down Select ChooseBattery Equalize Screen Battery Equalize RechargingAlarm and Status Messages Module Status Messages 3 Modules ConnectedSystem Status Messages Load Block MessagesAbbreviations Used in Alarm Messages OF/UFPower DC Ground FaultBattery CB Open BatteryBypass Phase Manual ResetStatic Switch Control PowerSystem Configuration Screens or the watchdog timer has AlarmIndications and Other Alarms That Activate Summary Alarms Reverse PowerTimeout TemperatureOver-Temperature System Configuration Screens Load On UPSAlarm Message Special FunctionsAuto-Dial Communication InterfacesWorldwide Reporting Requesting InformationSite Reporting SiteScan or Snmp Local Reporting to a TerminalLocal Reporting to a Monitor Remote Monitor PanelSeparate / Simultaneous Outputs Load On Bypass ScctOK To Transfer Load on Bypass UPS AvailableLoad on UPS Bypass Available Momentary Overloads Refer to 3.4 Automatic OperationsInput Power Failure Load On Battery Input Power Fail Load on BatteryOne Module Off-Line One Module Off-Line Load on UPSOff Battery Load on UPS Battery Not AvailableRefer to 3.3.3 Shutdown Procedures Emergency Modules OffEmergency Power Off Emergency Power OffRefer to 3.2.10 Maintenance Bypass System ShutdownLoad on Maintenance Bypass Two Breakers Load on Maintenance Bypass Three Breakers Manual Procedures Refer to 3.4 Automatic Operations for more detailsStart-Up Procedure SCC Start-Up B2. Set the Static Switch Disconnects OFF open SCC Start-Up Procedures Screen UPS Module Start-Up Module Start-Up Procedures Screen Product Load Transfer Procedures If the load is on Maintenance Bypass Maintenance Bypass Load TransfersMaintenance Bypass System BypassShutdown Procedures System Shutdown Procedure UPS bypass line is still energized100 Module Shutdown Procedure Remote Emergency Power Off Repo Local Emergency Modules Off LemoAutomatic Operations Overloads Without TransferAutomatic Transfers to Bypass Automatic Retransfers to UPSAutomatic Module Off-Line Automatic Emergency Modules OffMaintenance DIS Product Professional Start-Up Liebert Global ServicesMaintenance Agreements The Signature Program TrainingAir Filters Routine MaintenanceRecord Log Battery Maintenance Battery Safety PrecautionsDIS Product 112 DIS Product Rack-Mounted Batteries Matching Battery Cabinets OptionalPower Batteries Torque RequirementsTorque Specifications Unless Otherwise Labeled Detection of TroubleRecommended Test Equipment Reporting a ProblemCorrective Actions Rating Environmental Conditions Adjustments Battery OperationElectrical Specifications Voltage Transient Recovery Time Voltage Adjustment RangePhase Balancing Voltage Harmonic ContentSeries 600T UPS
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