Liebert XDC user manual Performance Data, Heat Rejection Equipment, Piping Connections

Page 61

Specifications

Table 26 Floor stand specifications—water-cooled Liebert XDC

Models - 60 Hz

 

XDC160 Water Floor Stand - 60Hz

 

Entering Fluid Temp °F (C)

65 (18)

70 (21)

75 (24)

85 (29)

95 (35)

 

 

 

 

 

 

Performance Data

 

 

 

 

 

 

 

 

 

 

 

Cooling capacity, tons (kW)

46.1(162.3)

46.1(162.3)

46.1(162.3)

46.1(162.3)

44.5 (156.5)

 

 

 

 

 

 

Flow, GPM

50

58

70

110

142

 

 

 

 

 

 

Pressure Drop, psi (Ft Water)

2.7 (6.2)

4.9 (11.3)

5.4 (12.5)

20.7 (47.8)

27.3 (63.1)

 

 

 

 

 

 

Heat Rejection Equipment

 

 

 

 

 

 

 

 

 

 

 

Water regulating valve size

1"

1"

1"

1"

1"

 

 

 

 

 

 

Piping Connections

 

 

 

 

 

 

 

 

 

 

 

Water / glycol supply and return lines

2-1/8"

2-1/8"

2-1/8"

2-1/8"

2-1/8"

 

 

 

 

 

 

Table 27 Floor stand specifications—Liebert XDC with 40% propylene glycol

 

Models - 60 Hz

XDC160 Glycol Floor Stand - 60Hz - 40% PG

Outside Ambient °F (°C)

95 (35)

 

100 (38)

 

105 (41)

 

 

 

 

 

 

Entering Fluid Temp °F (°C)

110 (43)

 

110 (43)

 

110 (43)

 

 

 

 

 

 

Performance Data

 

 

 

 

 

Cooling capacity, tons (kW)

 

42.5 (149.4)

 

 

 

 

 

 

Total Heat Rejection, (kW)

 

192.6

 

 

 

 

 

 

 

Flow, GPM

 

206

 

 

 

 

 

 

Pressure Drop, psi (ft water)

 

37.2 (85.9)

 

 

 

 

 

 

 

Heat Rejection Equipment

 

 

 

 

 

Drycooler

DNT 940A

 

2 x DNT 880A*

 

 

 

 

 

Drycooler Pressure Drop, psi (ft water)

 

6.7 (15.5)

 

2.9 (6.6)

 

 

 

 

 

 

Glycol pump package - 10hp

 

 

9A31258G3

 

 

 

 

 

 

Pump Control Package - 208V

 

 

9A34606G47

 

 

 

 

 

 

Pump Control Package - 460V

 

 

9A32114G4

 

 

 

 

 

 

Pump Total Head @ 204 GPM, ft water

 

145

 

 

 

 

 

 

 

Water regulating valve size

 

1-1/4"

 

 

 

 

 

 

 

 

Piping Connections

 

 

 

 

 

Water / glycol supply and return lines

 

2-5/8"

 

 

 

 

 

 

 

 

* When multiple drycoolers are used ensure flow is balanced.

55

Image 61
Contents Liebert XDC Voltage-phase-frequency Density system = 380/415-3ph-50Hz General Safety GuidelinesExample 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-Optional for All Units Field Connections-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-R-134a Pumped Circuit Piping Installation MethodPiping Mains Bypass flow controllers for a Liebert XDC-based system Bypass Flow ControllersRequired Number Insulation Evacuation and Leak Check-R-134a Pumped CircuitLiebert 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 Liebert XDC pump light indicator Checklist for Liebert XDC StartupIndicator Lights Description Green Red Refrigerant Type Compressor oil typesCompressor 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 EnableCOM Alarm Enable Alarm Time DelayCustom Alarms Custom Text DiagnosticsAlarm Descriptions and Solutions Alarm DescriptionsRed and Green Lamp Indicators Alarm Time Delays Enable / Disable AlarmsView Active Alarms System Shutdown Causes View Alarm HistoryLiebert XDC troubleshooting TroubleshootingToo warm Fluorinated Greenhouse Gas Requirements MaintenanceAir 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