Liebert XDH manual Degree Connection

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Piping

Figure 17 Piping location and connecting sizes for pre-charged units

6"

 

 

 

(153mm)

3-5/8"

1/2" Supply, Upper

7/8" Return, Upper

(92mm)

Refrigeration Circuit

 

Refrigeration

 

 

 

Circuit

 

1-3/8" (35mm)

 

 

 

 

2-1/8"

 

 

 

(54mm)

 

 

 

4-1/8"

 

 

 

(105mm)

5"

 

 

(127mm)

7/8" Return, Lower Refrigeration Circuit

Rear of Liebert XDH

1/2" Supply, Lower Refrigeration Circuit

5.7Field Installation of Liebert XD Flex Pipe Kit on the Liebert XDH

Liebert XD Flex Pipe kits are available in lengths of 4, 6, 8 and 10 feet (1.2, 1.8,2.4 and 3 meters). Connection style to the unit end may be straight or 90 degrees. Connection to the prefab piping assembly is a threaded coupler. For data on acquiring the correct kit for your installation, see Table 4.

Figure 18 Liebert XD Flex Pipe dimensions—straight and 90-degree connections

Connection

Connection

to Prefabricated

to Prefabricated

Piping assembly

Piping assembly

 

90-Degree Connection

 

 

Length

Length

4, 6,

8 or 10 feet

(1.2, 1.8,

2.4 or 3 meters)

4, 6, 8 or 10 feet

 

 

(1.2, 1.8, 2.4 or 3 meters)

Straight Connection

Connection to Liebert XD Cooling Unit

(One-Shot Coupling)

DPN000780

Pg. 1, Rev. 1

90° Connection to Liebert XD Cooling Unit (One-Shot Coupling)

DPN000780

Pg. 2, Rev. 1

18

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Contents Liebert XDH General Safety Guidelines Fluorinated Greenhouse Gas Requirements-European UnionTable of Contents Specifications MaintenanceOperation Example XDH32BK Liebert XDH component locationsReferences Pre-Installation ChecksProduct Description Parts Included With the Liebert XDHInstallation Considerations Room PreparationProduct/System Description Checking and UnpackingEquipment Inspection Recyclable PackagingUnit Handling Unpacking the UnitTaking the Unit off the Pallet Prepare ramp to remove the Liebert XDH from shipping palletAttaching ramp, removing the Liebert XDH from pallet Determining Placement in the Conditioned Space Installing the Liebert XDH Within the Enclosure RowAirflow Direction XDHInstall Air Diffusers for Best Airflow Direction Change airflow directionSystem Connection Configuration European Union Fluorinated Greenhouse Gas RequirementsTypical Liebert XDH piping-non-interlaced connection Indirect system configuration-hydraulic system schematic Hard pipe connection diagram Connection Methods and PointsPiping Considerations-Hard-Piped Connections Venting the Holding Charge and Connecting to MainsRear of Liebert XDH Recommended Piping Size Connecting Methods-One-Shot ConnectionsConnection Methods for Hard Pipe Brazing PreparationsDegree Connection Header System Connecting Liebert XD Flex Pipes to Liebert XDH ModulesTools Required Liebert XD prefabricated piping assembly Tools Required Return Line Service Valve Supply InsulationConnecting High Voltage Wiring ElectricalConnecting Low Voltage Wiring-Optional Condensate wiring entry pointsChecklist for Proper Installation Charging with Refrigerant and Starting the Liebert XD SystemStart the Liebert XDH OperationInternal Access Fluorinated Greenhouse Gas RequirementsRemove Fan Tray Remove fan traySpecifications Liebert XD Flex Pipe assemblies, supply and return Page Ne t