User ManualTable of ContentsGeneral Safety Guidelines2Fluorinated Greenhouse Gas Requirements—European Union21.0 Liebert XDH Component Locations and Model Number Nomenclature5Figure 1 Liebert XDH component locations5Figure 2 Liebert XDH model number nomenclature52.0 Introduction62.1 Product Description62.2 References62.3 Pre-Installation Checks62.4 Parts Included With the Liebert XDH62.5 Installation Considerations7Table 1 Application limits72.5.1 Room Preparation73.0 General product information83.1 Product / System Description8Figure 3 Liebert XDH hydraulic schematic83.2 Checking and Unpacking83.3 Equipment Inspection93.3.1 Recyclable Packaging9Figure 4 Recommended unit handling equipment93.3.2 Unit Handling103.3.3 Unpacking the Unit10Figure 5 Removing shipping package103.3.4 Taking the Unit off the Pallet11Figure 6 Prepare ramp to remove the Liebert XDH from shipping pallet11Figure 7 Attaching ramp, removing the Liebert XDH from pallet124.0 Mechanical Considerations134.1 Determining Placement in the Conditioned Space13Figure 8 Liebert XDH dimensions134.2 Installing the Liebert XDH Within the Enclosure Row134.2.1 Airflow Direction14Figure 9 Liebert XDH placement in enclosure row14Install Air Diffusers for Best Airflow Direction15Figure 10 Change airflow direction155.0 Piping165.1 European Union Fluorinated Greenhouse Gas Requirements165.2 System Connection Configuration16Figure 11 Typical Liebert XDH piping—interlaced connections16Figure 12 Typical Liebert XDH piping—non-interlaced connection17Figure 13 Direct system configuration—hydraulic system schematic17Figure 14 Indirect system configuration—hydraulic system schematic185.3 Connection Methods and Points19Figure 15 Hard pipe connection diagram195.4 Piping Considerations—Hard-Piped Connections20Figure 16 Supply and return—hard-piping connections205.4.1 Venting the Holding Charge and Connecting to Mains205.4.2 Brazing Preparations215.5 Connection Methods for Hard Pipe215.6 Recommended Piping Size21Table 2 Branch piping sizes for pumped refrigerant loop215.6.1 Connecting Methods—One-Shot Connections21Figure 17 Piping location and connecting sizes for pre-charged units225.7 Field Installation of Liebert XD Flex Pipe Kit on the Liebert XDH22Figure 18 Liebert XD Flex Pipe dimensions—straight and 90-degree connections225.8 Connecting Liebert XD Flex Pipes to Liebert XDH Modules235.8.1 Header System235.9 Connecting a Liebert XDH with Liebert XD Flex Pipe to an Operational Liebert XD System23Tools Required23Figure 19 Liebert XD prefabricated piping assembly24Figure 20 Detail view of Liebert XD Flex Pipe and prefabricated piping port24Figure 21 Liebert XD system with prefabricated piping assembly and Liebert XD Flex Pipe255.10 Disconnecting a Liebert XDH With Liebert XD Flex Pipe From a Liebert XD System25Tools Required25Figure 22 Profile view of the Liebert XD system26Figure 23 Piping mains without Liebert XDH and Liebert XD Flex Pipe265.11 Insulation266.0 Electrical276.1 Connecting High Voltage Wiring27Figure 24 Liebert XDH electrical connections276.2 Connecting Low Voltage Wiring—Optional28Figure 25 Condensate wiring entry points287.0 Installation Checklist and System Fill for Startup297.1 Checklist for Proper Installation297.2 Charging with Refrigerant and Starting the Liebert XD System298.0 Operation30Figure 26 Fan switches308.1 Start the Liebert XDH309.0 Maintenance319.1 Internal Access319.2 Fluorinated Greenhouse Gas Requirements319.3 Remove Fan Tray32Figure 27 Remove fan tray3210.0 Specifications33Table 3 Liebert XDH specifications33Table 4 Liebert XD Flex Pipe assemblies, supply and return34Size: 4.42 MBPages: 36Language: EnglishOpen manual