Liebert XDC user manual Electrical enclosure knockout locations for field wiring

Page 17

Product Description

2.Determine which knockouts in the electrical enclosure will be used and remove them (see Figure 11).

Figure 11 Electrical enclosure knockout locations for field wiring

Knockout for

Input Power

Enclosure Cover

Not Shown for Clarity

3.Route the input hazardous voltage electrical power wiring through the top right knockout on the primary electrical enclosure (see Figure 11) to the disconnect switch L1, L2 and L3 (see Figure 12). Observe proper phasing.

4.Connect the ground wire to the ground lug (see Figures 12 and 14 for 60Hz models and Figures 13 and 15 for 50Hz models).

Figure 12 60Hz models, high voltage connections—primary disconnect switch

Transformer Fuse Block

Customer Power Connection

Compressor Fuse Blocks

Primary Power Block

 

 

Ground

Lug

Primary

Disconnect

Switch

Compressor Contactors

Transformer 3

Relay

Electronic Hot Gas

Bypass Controllers

 

 

 

11

Image 17
Contents Liebert XDC Example XDC160AA General Safety GuidelinesVoltage-phase-frequency Density system = 380/415-3ph-50Hz 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-Air Cooled Units only Field Connections-All UnitsField Connections-Optional for All Units 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 Mains Piping Installation MethodPiping Installation-R-134a Pumped Circuit Required Number Bypass Flow ControllersBypass flow controllers for a Liebert XDC-based system Liebert XDP Liebert XDC Evacuation and Leak Check-R-134a Pumped CircuitInsulation System refrigerant charge for the supply and return mains Filling the Pumped Circuit-R-134aWorksheet to calculate refrigerant charge Calculating Refrigerant Charge-ExampleCalculating refrigerant charge-example 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 Indicator Lights Description Green Red Checklist for Liebert XDC StartupLiebert XDC pump light indicator Compressor Type 407c Compressor oil typesRefrigerant Type 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 EnableCustom Alarms Alarm Time DelayCOM Alarm Enable Custom Text DiagnosticsAlarm Descriptions and Solutions Alarm DescriptionsRed and Green Lamp Indicators View Active Alarms Enable / Disable AlarmsAlarm Time Delays System Shutdown Causes View Alarm HistoryLiebert XDC troubleshooting TroubleshootingToo warm Air Cooled Condenser MaintenanceFluorinated Greenhouse Gas Requirements 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