Liebert XDC user manual Status, Active Alarms, Alarm History, Time, Date

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Microprocessor Control

5.3.3STATUS

The user can check the status of cooling percentage, pump and compressor operating status and tem- perature of the refrigerant.

VALVE OPEN %—0-100

COMP 1A, 2A, 1B, 2B—On/Off

PUMP 1—On/Off

PUMP 2—On/Off

REFRIG T—Refrigerant temperature 0-100°F

5.3.4ACTIVE ALARMS

This submenu allows the user to review any present alarms. If no alarms are present, the screen will read No Alarms Present. If any alarms are occurring, the screen will display Alarm XX of YY, fol- lowed by the alarm text (XX is the reference number of the alarm shown, YY is the total number of alarms).

To view any active alarms:

1.Press the MENU key.

2.Scroll to the ACTIVE ALARMS menu by using the up and down arrow keys.

3.Press the ENTER key to access the menu.

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

If there are no active alarms the display will read NO ALARMS. If any alarms are present, the dis- play will list them. When finished, press the ESC key two to three times to go to the main display.

5.3.5ALARM HISTORY

This submenu allows the user to review the 60 most-recent alarms. The first line of the screen will show the alarm number—01 being the newest—and the name of the alarm. The second line of the screen will show the most recent alarm’s date and the time in 24 hour format.

To view the alarm history:

1.Press the MENU key.

2.Scroll to the ALARM HISTORY menu by using the up and down arrow keys.

3.Press the ENTER key to access the menu.

4.Use the up and down arrow keys to scroll through the menu and view the alarm history.

5.Press the ESC key two to three times to return to the main display.

5.3.6TIME

The controller time clock must be set to allow for time stamping of the alarms for alarm history. To change the time press ENTER to select the function, then use the up or down arrow key arrow to change the first character, press Enter to store, then press the up or down arrow key to change the second character, press Enter to store, etc.

NOTE

The clock uses the 24 hour system (for example: 17:00 would be 5:00 PM). Battery backup protects the date and time settings.

5.3.7DATE

The controller date must be set to allow for time stamping of the alarms for alarm history. To change the date press ENTER, then use the up or down arrow key to change the first character, press ENTER to store, press the up or down arrow key to change the second character, etc.

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Contents Liebert XDC General Safety Guidelines Voltage-phase-frequency Density system = 380/415-3ph-50HzExample XDC160AA Table of Contents Specifications Alarm Descriptions and SolutionsFigures Tables Equipment Inspection General Product InformationEquipment Handling Product DescriptionRemoval of Skid Handling With SkidRemove tie-down brackets Mechanical Considerations Liebert XDC dimensions, weightRemoving Piano Jacks Positioning the Liebert XDCLiebert XDC piping connection sizes Piping locationsPlacing the Liebert XDC on a Floor Stand Liebert XDC water/glycol piping connection Sizes Detail aTOP View of Floor Stand Positioning the Liebert XDC with Floor Stand Dimensions and clearances for Liebert XDC on floor standHigh Voltage Connections Connecting High-Voltage CablesElectrical enclosure knockout locations for field wiring Contactors Liebert XDC heat rejection connection points Extra Low Voltage ConnectionsField Connections-All Units Field Connections-Optional for All UnitsField Connections-Air Cooled Units only Extra Low Voltage field connections points Recommended Pipe Size European Union Fluorinated Greenhouse Gas RequirementsLiebert XDC Interconnection With Liebert XD Cooling Module 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 System refrigerant charge for the supply and return mains Filling the Pumped Circuit-R-134aCalculating Refrigerant Charge-Example Calculating refrigerant charge-exampleWorksheet to calculate refrigerant charge Double discharge riser layout Install Double Discharge RisersPage Installation data-Lee-Temp, one-circuit, four-fan model See for details on piping connections Piping Schematic Recommended refrigerant line sizes, DX R-407c, OD copper General arrangement air cooled Liebert XDC Lee-Temp ControlRecommended refrigerant line sizes for DCSL616 For mounting instructions, refer to Figure Lee-Temp Control Materials Supplied Lee-Temp PipingIndoor unit refrigerant charge-R-407c Filling the Direct Expansion DX Circuit-R-407cOutdoor air condenser 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 Microprocessor Control Feature OverviewDisplay User interface keypad functionsViewing or Changing Settings Feature OverviewControls Main MenuSetpoints Setpoint functions, default values and allowable rangesMIN Temp SP HI AIR TempAlarm History Active AlarmsStatus TimeRestart Setup OperationDegrees Pump Start TDLead Pump Pump OFF TDLead Tandem DipswchSetup Password Setpt PasswordCalibrate Sensors Alarm EnableAlarm Time Delay COM Alarm EnableCustom Alarms Custom Text DiagnosticsAlarm Descriptions and Solutions Alarm DescriptionsRed and Green Lamp Indicators Enable / Disable Alarms Alarm Time DelaysView Active Alarms System Shutdown Causes View Alarm HistoryLiebert XDC troubleshooting TroubleshootingToo warm Maintenance Fluorinated Greenhouse Gas RequirementsAir Cooled Condenser Glycol Solution Maintenance Testing the Water Regulating Valve FunctionWater/Glycol Floor Stand Condenser Shell and Tube CondensersLiebert XDC specifications SpecificationsHeat Rejection Equipment Performance DataPiping Connections Performance Data204 Page Iti Ne tTi n That
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