Liebert XDP Red and Green Lamp Indicators, Alter Alarm Settings, Enable or Disable Alarms

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Alarm Descriptions and Solutions

•REFRIG SENS FAIL—Activated when the control stops receiving a signal from the refrigerant temperature sensor. If this alarm becomes active, the control will close the control valve over a 9-minute period. This alarm will shut down the Liebert XDP. Main power must be (disconnect switch) must be turned Off, then back On to clear this alarm.

•LOSS OF POWER—Activated when the unit is On and operational and 24VAC power to the con- trol is lost. This alarm will be emitted when power is restored to the control. The Liebert XDP will restart at a user-defined time delay after power is restored. The alarm will reset itself after 30 seconds of run time.

5.2Red and Green Lamp Indicators

•The Green lamp will be on only when The Liebert XDP is On and running with no alarms.

•The Red lamp will be on if the unit is On and running with an active alarm, or if the unit is shut down because of a certain alarm.

•The Red lamp will flash when an alarm is being annunciated. The Red lamp will stop flashing and the beeper in the display will stop beeping when the ALARM SILENCE / ? key is pressed.

5.3Alter Alarm Settings

5.3.1Enable or Disable Alarms

At the user’s discretion, some alarms may be enabled or disabled. If an alarm is disabled, the alarm condition will not be monitored and will not trip, will not be in ACTIVE ALARMS, will not be in ALARM HISTORY and will not be annunciated.

These alarms may be enabled or disabled:

•LOSS OF FLOW P1—loss of refrigerant flow with Pump 1 alarm

•LOSS OF FLOW P2—loss of refrigerant flow with Pump 2 alarm

•VALVE FAILURE—chilled water control valve failure alarm

•CUSTOMER—customer alarm

•HI RMT TEMP—high remote temperature alarm

•LO RMT TEMP—low remote temperature alarm

•HI LCL TEMP—high local temperature alarm

•LO LCL TEMP—low local temperature alarm

To determine whether an alarm is enabled or disabled:

1.Press the MENU key.

2.Use the Up and Down arrow keys to move to the ALARM ENABLE menu.

3.Press the ENTER key to access the menu. Use the Up and Down arrow keys 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 an alarm from enabled to disabled, or vice versa

1.Determine whether the alarm is enabled or disabled (see above).

2.Use the Up and Down arrow keys to scroll to the alarm to be changed.

3.Press the ENTER key. (The control will ask for a service password if passwords are enabled. Use the Up and Down arrow keys and ENTER key to enter the three-digit password.)

4.Press the ENTER key again to change the alarm.

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

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Contents Liebert XDP Pumping Place holder Revision Unit Redundancy Level Liebert General Safety GuidelinesExample XDP160A Fluorinated Greenhouse Gas Requirements-European UnionTable of Contents Specifications Alarm Descriptions and SolutionsFigures Page Product/System Description General Product InformationEquipment Inspection Product DescriptionRemoval from Skid Equipment HandlingHandling With Skid Liebert XDP strapped to piano jack Removing pallet boards for piano jack insertionSlide this runner away From the Liebert XDP Removing Piano JacksPositioning the Liebert XDP Liebert XDP dimensionsMechanical Considerations Model Pipe Connection Point 50/60 Hz Unit piping outlet connection sizes, inches, OD CuElectrical Information High Voltage Connections Connecting High-Voltage CablesElectrical enclosure knockout locations for field wiring High voltage connections-50Hz Extra Low Voltage ELV ConnectionsField Connections-Optional for All Units Field Connections-All UnitsRecommended Pipe Size European Union Fluorinated Greenhouse Gas RequirementsConnection Sizes PipingBypass flow controllers for a Liebert XDP-based system Piping Installation MethodLiebert XDP Interconnection with Liebert XD Cooling Modules Bypass Flow ControllerBypass flow controller arrangement Bypass flow controller details, dimensionsEvacuation and Leak Check Piping Installation MethodPiping Details-Shut-Off/Isolation Valves Piping MainsChecklist for Proper Installation Indicator Lights Description Green Red Checklist for Liebert XDP StartupLiebert XDP pump light indicator-208V and 400V units System R-134a liquid level Filling the Pumped Circuit-R-134aReturn Line Diameter System refrigerant charge for the supply and return mainsReturn Line Diameter 5/8 Total 293 Calculating Refrigerant Charge-ExampleCalculating refrigerant charge-example Worksheet to calculate refrigerant chargeUser interface keypad functions Feature OverviewMicroprocessor Control DisplayMain Menu Feature OverviewViewing or Changing Settings ControlsMIN Temp SP Active AlarmsAlarm History SetpointsPump Start TD Setup OperationRestart Time Delay DegreesLead Pump Liebert XDP DIP switches and factory settingsPump Wait TD Pump OFF TDValve Time Password Security-SETPT Password and Service PasswordChange Password-SETPT Password COM Alarm Enable Change Password-SERVICE PasswordAlarm Enable Alarm Time DelayCustom Text Custom AlarmsDiagnostics Alarm Descriptions and Solutions Alarm DescriptionsEnable or Disable Alarms Red and Green Lamp IndicatorsAlter Alarm Settings System Shutdown Causes Troubleshooting the XDP TroubleshootingFluorinated Greenhouse Gas Requirements MaintenanceLiebert XDP160 specifications SpecificationsThat Ne tIti Ti n
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