Liebert XDC user manual Enable / Disable Alarms, Alarm Time Delays, View Active Alarms

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Alarm Descriptions and Solutions

6.3Enable / Disable Alarms

Any alarm may be enabled or disabled. If an alarm is disabled, the alarm condition will not be moni- tored and will not trip, will not be in ACTIVE ALARMS, will not be in ALARM HISTORY and will not be annunciated. To enable or disable an alarm, or to check whether an alarm is enabled or disabled:

1.Press the MENU key.

2.Use the up or down arrow key to move to the ALARM ENABLE menu.

3.Press the ENTER key to access the menu.

4.Use the up or down arrow key to move through the menu and view which alarms are enabled or disabled. YES means that the alarm is enabled, NO means that the alarm is disabled.

To change it:

1.Press the ENTER key. The control will ask you for a service password whether passwords are enabled.

2.Use the up and down arrow keys and ENTER key to key in the three-digit password.

3.Press the ENTER key again on the alarm to change it.

4.When finished, press the ESC key two to three times to get back to the main display.

6.4Alarm Time Delays

All of the alarms can have their delay times changed. An alarm time delay is the period that the con- trol has to see a specific condition exist before it will alarm that condition. This can be used as a filter to prevent nuisance alarms.

To change an alarm time delay, or to view a current alarm time delay:

1.Press the MENU key.

2.Use the up or down arrow key to move to the ALARM TIME DELAY menu.

3.Press the ENTER key to access the menu. Use the up or down arrow key to move through the menu and view the alarm time delays.

To change an alarm time delay:

1.Press the ENTER key. The control will ask for a service password if passwords are enabled.

2.Use the up and down arrow keys and ENTER key to key in the three-digit password.

3.Press the ENTER key again on the alarm to change it.

4.Use the up and down arrow keys to change the alarm time delay.

5.Press the ENTER key to accept the change.

6.When finished, press the ESC key two to three times to get back to the main display.

6.5View Active Alarms

To view the active alarms:

1.Press the MENU key.

2.Use the up or down arrow key to move to the ACTIVE ALARMS menu.

3.Press the ENTER key to enter into the menu.

4.Use the up or down arrow key to move through the menu and view which alarms are active.

If there are no active alarms the display will read NO ALARMS. If alarms are present, the display will list them accordingly.

5.When finished, press the ESC key two to three times to get back to the main display.

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Contents Liebert XDC General Safety Guidelines Voltage-phase-frequency Density system = 380/415-3ph-50HzExample XDC160AA Table of Contents Alarm Descriptions and Solutions SpecificationsFigures Tables Equipment Handling General Product InformationEquipment Inspection Product DescriptionHandling With Skid Removal of SkidRemove tie-down brackets Removing Piano Jacks Liebert XDC dimensions, weightMechanical Considerations Positioning the Liebert XDCPiping locations Liebert XDC piping connection sizesPlacing the Liebert XDC on a Floor Stand Detail a Liebert XDC water/glycol piping connection SizesTOP View of Floor Stand Dimensions and clearances for Liebert XDC on floor stand Positioning the Liebert XDC with Floor StandConnecting High-Voltage Cables High Voltage ConnectionsElectrical enclosure knockout locations for field wiring Contactors Extra Low Voltage Connections Liebert XDC heat rejection connection pointsField Connections-All Units Field Connections-Optional for All UnitsField Connections-Air Cooled Units only Extra Low Voltage field connections points Liebert XDC Interconnection With Liebert XD Cooling Module European Union Fluorinated Greenhouse Gas RequirementsRecommended Pipe Size Supply, return pipe sizes for Liebert XD refrigerant loopPiping Installation Method Piping Installation-R-134a Pumped CircuitPiping Mains Bypass Flow Controllers Bypass flow controllers for a Liebert XDC-based systemRequired Number Evacuation and Leak Check-R-134a Pumped Circuit InsulationLiebert XDP Liebert XDC Filling the Pumped Circuit-R-134a System refrigerant charge for the supply and return mainsCalculating Refrigerant Charge-Example Calculating refrigerant charge-exampleWorksheet to calculate refrigerant charge Install Double Discharge Risers Double discharge riser layoutPage Installation data-Lee-Temp, one-circuit, four-fan model See for details on piping connections Piping Schematic General arrangement air cooled Liebert XDC Lee-Temp Control Recommended refrigerant line sizes, DX R-407c, OD copperRecommended refrigerant line sizes for DCSL616 For mounting instructions, refer to Figure Lee-Temp Piping Lee-Temp Control Materials SuppliedOutdoor air condenser charge-R-407c Filling the Direct Expansion DX Circuit-R-407cIndoor unit refrigerant charge-R-407c Indoor water/glycol cooled module R-407C refrigerant chargeInstallation Checklist Checklist for Liebert XDC Startup Liebert XDC pump light indicatorIndicator Lights Description Green Red Compressor oil types Refrigerant TypeCompressor Type 407c Liebert XDC system is now ready to be turned on Display Feature OverviewMicroprocessor Control User interface keypad functionsControls Feature OverviewViewing or Changing Settings Main MenuMIN Temp SP Setpoint functions, default values and allowable rangesSetpoints HI AIR TempStatus Active AlarmsAlarm History TimeDegrees Setup OperationRestart Pump Start TDLead Tandem Pump OFF TDLead Pump DipswchSetpt Password Setup PasswordAlarm Enable Calibrate SensorsAlarm Time Delay COM Alarm EnableCustom Alarms Diagnostics Custom TextAlarm Descriptions Alarm Descriptions and SolutionsRed and Green Lamp Indicators Enable / Disable Alarms Alarm Time DelaysView Active Alarms View Alarm History System Shutdown CausesTroubleshooting Liebert XDC troubleshootingToo warm Maintenance Fluorinated Greenhouse Gas RequirementsAir Cooled Condenser Water/Glycol Floor Stand Condenser Testing the Water Regulating Valve FunctionGlycol Solution Maintenance Shell and Tube CondensersSpecifications Liebert XDC specificationsPiping Connections Performance DataHeat Rejection Equipment Performance Data204 Page Ti n Ne tIti That
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