Liebert XDC user manual Piping Schematic

Page 32

Piping and Filling with Refrigerant: R-134a and R-407c Circuits

Figure 26 Liebert XDC piping schematic and Lee-Temp heater pad wiring

Rotalock Valve Combination

Inverted Trap			Head Pressure Control
(By Others)			Head Pressure Control
(By Others)			& Check Valve
			& Check Valve
			Pressure Relief Valve	Condenser
				Control Box
				Control Box

		Lee-temp Winter System
		Heater	Air Cooled Condenser
		Pads	Air Cooled Condenser
		Pads
Liquid Level	Dehydrator		Solenoid Valve	Expansion Valve
	Dehydrator			Expansion Valve

Indicator			External Equalizer
Hand Shutoff
Valve By Others			Sensing Bulb
Sight			Sensing Bulb
Sight			Hot Gas Bypass Valve
Glass			Service Valves
Discharge Line			Suction Line

Hot Gas Bypass	Liebert XDC Unit
Solenoid Valve	(One Circuit Shown)
Compressor	Factory Piping
	Field Piping
	Optional Hot Gas Bypass
Piping Schematic
Circuit 1 & 2 Standard Model	Hi Limit Thermostat Typical
With 2 Heater Pads Per Receiver
	L2
		Separate Continuous
	L1	Electical Source
	L1	By Others
		By Others
	GND	Volts
		115
Circuit 1 & 2 Optional Model With 3 Heater Pads Per Receiver		200/208/230
	L2	Total Watts Per Receiver
		Standard 300 Watt (2 Heater Pads)
		Optional 450 Watt (3 Heater Pads)
	L1	1 Phase 50/60 Hz
	GND
Lee-Temp Heater Pad Wiring		DPN000937
Lee-Temp Heater Pad Wiring		Pg. 3, Rev. 6

26

Image 32

Contents Liebert XDC Example XDC160AA General Safety GuidelinesVoltage-phase-frequency Density system = 380/415-3ph-50Hz Table of Contents Alarm Descriptions and Solutions SpecificationsFigures Tables General Product Information Equipment InspectionEquipment Handling Product DescriptionHandling With Skid Removal of SkidRemove tie-down brackets Liebert XDC dimensions, weight Mechanical ConsiderationsRemoving Piano Jacks 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-Air Cooled Units only Field Connections-All UnitsField Connections-Optional for All Units Extra Low Voltage field connections points European Union Fluorinated Greenhouse Gas Requirements Recommended Pipe SizeLiebert 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 Filling the Pumped Circuit-R-134a System refrigerant charge for the supply and return mainsWorksheet to calculate refrigerant charge Calculating Refrigerant Charge-ExampleCalculating refrigerant charge-example 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 SuppliedFilling the Direct Expansion DX Circuit-R-407c Indoor unit refrigerant charge-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 Feature Overview Microprocessor ControlDisplay User interface keypad functionsFeature Overview Viewing or Changing SettingsControls Main MenuSetpoint functions, default values and allowable ranges SetpointsMIN Temp SP HI AIR TempActive Alarms Alarm HistoryStatus TimeSetup Operation RestartDegrees Pump Start TDPump OFF TD Lead PumpLead Tandem DipswchSetpt Password Setup PasswordAlarm Enable Calibrate SensorsCustom Alarms Alarm Time DelayCOM Alarm Enable Diagnostics Custom TextAlarm Descriptions Alarm Descriptions and SolutionsRed and Green Lamp Indicators View Active Alarms Enable / Disable AlarmsAlarm Time Delays View Alarm History System Shutdown CausesTroubleshooting Liebert XDC troubleshootingToo warm Air Cooled Condenser MaintenanceFluorinated Greenhouse Gas Requirements Testing the Water Regulating Valve Function Glycol Solution MaintenanceWater/Glycol Floor Stand Condenser Shell and Tube CondensersSpecifications Liebert XDC specificationsPerformance Data Heat Rejection EquipmentPiping Connections Performance Data204 Page Ne t ItiTi n That