Emerson 250-400kVA manual Adjustable Setpoints, Adjustable setpoints parameters

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Operation

Adjustable Setpoints

These warning and alarm settings can be changed from the touchscreen. Press the box to the left of each parameter to bring a popup window that will allow the parameter to be changed.

Max Load Alarm

•Phase A (%)—10% to 105% (default: 95%)

•Phase B (%)—10% to 105% (default: 95%)

•Phase C (%)—10% to 105% (default: 95%)

•Delay (second)—0 to 60 (default: 5 seconds)

Manual Xfer Bypass Voltage Limits

•Manual Xfer Bypass Voltage Low Limit (%)—1% to 20% (default: 5%)

•Manual Xfer Bypass Voltage High Limit (%)—1% to 15% (default: 5%)

Inlet Air Temp Warning

• Inlet Air Temp Warning—30°C to 40°C (default: 35°C)

NOTE

Temperature will display in both Celsius and Fahrenheit.

Figure 12 Adjustable setpoints parameters

Battery Management

These battery settings can be changed from the touchscreen. Press the box to the left of each parame- ter to bring a popup window that will allow the parameter to be changed.

Battery Equalize:

•Equalize Voltage, Vpc - 2.30 to 2.40 (default: 2.3)

•Equalize Time, hours - 0 to 200hours (default: 0)

NOTE

Battery Equalize must be enabled by service to be functional. If Battery Equalize is disabled, the feature will not be available and the menu item will not be displayed.

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Contents Liebert NXL Battery Cabinet Precautions Contacting Liebert for SupportTable of Contents Specifications Figures Page Important Safety Instructions Normal Mode General DescriptionModes of Operation Maintenance Bypass Bypass ModeBattery Mode OptionsIntroduction Features Main component locationsMimic display Monitor/mimic display example Normal power flow Monitor/mimic display example Utility failMonitor/mimic display example Load on bypass, UPS On Touchscreen Navigation Main Display Screen Menu treeConfigurations Menu Rating Rating ParametersUser Settings System Settings parametersAdjustable Setpoints Adjustable setpoints parametersCell Count Adjustment Event Management Status Reports MenuStartup Menu Shutdown Menu Shutdown menuTransfer/retransfer commands Transfer MenuBattery Management Menu Time remaining displayDisplay summary see Figure Help ResetMetering SilenceOK to Transfer Load on bypass, UPS availableInput Power Failure-Load on Battery Input power fail, load on batteryOff Battery Emergency Module OffManual Procedures Remote Emergency Power OffStartup Procedure Startup commands Re-Transfer Procedure Load Transfer ProceduresTransfer Procedure Maintenance Bypass Load TransfersMaintenance Bypass Load Transfers-If Load is on UPS Bypass System Shutdown Procedure Shutdown ProceduresUPS Shutdown Procedure Automatic OperationsAutomatic Transfers to Bypass Overload Condition Current-versus-time curves of overload capacityAutomatic Transfers to Bypass, UPS System Faults Automatic Retransfers to UPSSafety Precautions Liebert Services Routine MaintenanceRecord Log Air FiltersLimited Life Components Battery MaintenanceUPS component service life Component Expected Life ReplaceBattery Safety Precautions Matching Battery Cabinets-Optional Battery voltage, nominal and floatBattery retorque values Rack-Mounted Batteries Torque specifications, unless otherwise labeledDetecting Trouble Torque RequirementsReporting a Problem Upstream Feeder Circuit Breaker Setting InspectionsCorrective Actions Parameter Specification Battery OperationEnvironmental specifications Environmental ConditionsLiebert NXL Model Size 250 Electrical specificationsBattery & DC Parameters Input ParametersLiebert NXL Model Size System ParameterPhysical Parameters & Standards, in mm Specifications Liebert NXL alarm and status messages Event Message Event Definition Recommended ActionObserve the One-Line Display. If the input line is Observe the One-Line Display. To identify which Do not Attempt to Close CB3 Until Reset Displayed on the Module Output Meter. If UPS controls monitor the DC Bus positive Resolve the issue that precipitated the EPO Check the One-Line Display for system status UPS, to transfer back to Inverter If this alarm occurs on an operational unit, it Attempt to manually close the disconnect by Module Output Meter. If the load is less than Output Power Factor. If the displayed power factor Until a service visit has been made and action taken When manual transfers are enabled Under normal conditions, no user action is required Observe the One-Line Display and the Active Event If the command to terminate Regeneration Mode If the alarm cannot be reset, or if the alarm condition UPS Alarm and Status Messages UPS Alarm and Status Messages Page Ti n Ne tIti That