Document Outline

• 1.0 System Description
  • Figure 1 Pressure enthalpy diagram - refrigerant
  • 1.1 European Union Fluorinated Greenhouse Gas Requirements
  • 1.2 Direct and Indirect System Configurations
    • Figure 2 Direct system configuration—hydraulic system diagram
    • Figure 3 Indirect system configuration—hydraulic system diagram
  • 1.3 Liebert XDO—Overhead Cooling Module
    • Figure 4 Suspended Liebert XDO modules in hot aisle-cold aisle arrangement
  • 1.4 Liebert XDV—Vertical, Above-Cabinet Cooling Module
    • Figure 5 Top-mounted Liebert XDV modules with fixed piping in hot aisle-cold aisle arrangement
    • Figure 6 Top-mounted Liebert XDV modules with flexible piping in hot aisle-cold aisle arrangement
  • 1.5 Liebert XDH—Horizontal Cooling Module
    • Figure 7 Liebert XDH—horizontal cooling module in hot aisle-cold aisle arrangement
  • 1.6 Liebert XDCF
    • Figure 8 Liebert XDCF units on BladeFrame EX cabinets
  • 1.7 Liebert XDA—Air Flow Enhancer
    • Figure 9 Liebert XDA—air flow enhancer—on Liebert Foundation enclosure
  • 1.8 Liebert XDP—Pumping Unit
    • 1.8.1 Liebert XDP Minimum Load
      • Figure 10 Liebert XDP pumping unit
  • 1.9 Liebert XDC—Refrigerant Chiller
    • 1.9.1 Liebert XDC Minimum Load
      • Figure 11 Liebert XD Chiller unit
  • 1.10 Liebert XD Piping
    • 1.10.1 Liebert XD Field Piping
      • Flexible Piping Kit
      • Prefabricated Headers
      • Liebert XD Connection Port Kit
        • Figure 12 Liebert XD connection port kit
        • Table 1 Liebert XD field-installed port kits header connection size
• 2.0 Starting a New Equipment Cooling Project
  • 2.1 Determining Cooling Equipment Needs
  • 2.2 Implementing a Hot-Aisle/Cold Aisle Design
    • Figure 13 Hot aisle-cold aisle arrangement with under-floor source
• 3.0 Designing a Liebert XD Solution
  • 3.1 Determine Cooling Requirements and Select Liebert XD System
  • 3.2 Calculate the Heat Load to be Handled by Liebert XD System
  • 3.3 Selecting Liebert XD Cooling Modules
  • 3.4 Airflow Requirements for Liebert XD Solutions
  • 3.5 Configuring a Liebert XD System
    • 3.5.1 Number of Modules Supported by a Liebert XDP or Liebert XDC
      • Table 2 Maximum and minimum modules supported by a Liebert XDP or Liebert XDC
  • 3.6 Liebert XDO Placement
    • 3.6.1 Determining Spacing of Liebert XDOs in an Aisle
      • Figure 14 Liebert XDO placement over cold aisle
      • Table 3 Calculating quantity and spacing of Liebert XDO modules (example below is Liebert XDO20)
    • 3.6.2 Determining Vertical Placement of Liebert XDOs Above the Cold Aisle
      • Figure 15 Liebert XDO spacing—horizontal and vertical
  • 3.7 Liebert XDV Unit Placement
    • Figure 16 Positioning Liebert XDV on top of cabinet
    • Table 4 Determine required number of Liebert XDV modules (example below is Liebert XDV10)
  • 3.8 Liebert XDCF Placement
    • Figure 17 Liebert XDCF unit mounting locations
  • 3.9 Liebert XDH Placement
    • Figure 18 Liebert XDH placement
  • 3.10 Liebert XDP/Liebert XDC Placement
  • 3.11 Examples of Expansion and Interlaced Connection of Liebert XD Cooling Modules
    • Figure 19 Liebert XDV units mounted on racks emitting 3kW of heat, top view
    • Figure 20 Liebert XDV units mounted on racks emitting 5kW of heat, top view
    • Figure 21 Liebert XDV units mounted on racks emitting 8kW of heat top view
    • Figure 22 Liebert XDV units mounted on racks emitting 16kW of heat top view
  • 3.12 Liebert XD Refrigerant
  • 3.13 Liebert XD Piping System Design
    • Figure 23 Piping for Liebert XDP/Liebert XDC used with Liebert XD cooling units
    • Table 5 Supply, return pipe sizes for refrigerant loop
    • Figure 24 Hydraulic diagram
  • 3.14 Liebert XD Piping Slope
  • 3.15 Bypass Flow Controllers
    • Table 6 Bypass flow controllers for Liebert XDC- or Liebert XDP-based systems
    • Figure 25 Bypass flow controller details, dimensions
    • Figure 26 Bypass flow controller arrangement
    • Figure 27 Bypass flow controller piping
  • 3.16 Determining Refrigerant Volume
    • 3.16.1 Liebert XDP/Liebert XDC Pumped R-134a Circuit Volume
      • Table 7 System R-134a charge for a Liebert XDP/Liebert XDC with any model Liebert XDH/Liebert XDO/Liebert XDV/Liebert XDCF
      • Table 8 System refrigerant charge for the supply and return mains
      • Table 9 R-134a refrigerant charge for hard-piped connector lines to and from any model Liebert XDH/Liebert XDO/Liebert XDV/Liebert XDCF
      • Table 10 R-134a refrigerant charge for Flex Pipe connector lines to and from any model Liebert XDO/Liebert XDH/Liebert XDV/Liebert XDCF
    • 3.16.2 Calculating Refrigerant Charge—Example
      • Table 11 Calculating refrigerant charge—example
      • Table 12 Worksheet to calculate refrigerant charge
  • 3.17 Liebert XDC DX R-407c Circuit Volume—Air Cooled Units
    • Table 13 Indoor unit refrigerant charge—R-407c
    • Table 14 Outdoor condenser charge—R-407c
    • Table 15 Air cooled systems - liquid line charge - R-407c refrigerant per 100 ft (30 m) of Type "L" copper tube
    • Table 16 Indoor water/glycol cooled module – R-407c refrigerant charge
  • 3.18 Chilled Water Piping
  • 3.19 Electrical
  • 3.20 Display Panel and Remote Temperature/Humidity Sensor Locations
• 4.0 Liebert XD Cooling Modules—Liebert XDO, Liebert XDV, Liebert XDH and Liebert XDCF
  • 4.1 Liebert XDO Standard Features
    • 4.1.1 Optional Features Liebert XDO
      • Figure 28 Dimensional data—Liebert XDO hard-piped units
      • Figure 29 Dimensional data—Liebert XDO with pre-charged option
      • Figure 30 Liebert XDO internal mounting location
      • Figure 31 Liebert XDO top and front electrical access points
  • 4.2 Liebert XDV Standard Features
    • 4.2.1 Optional Features—Liebert XDV
      • Figure 32 Liebert XDV dimensions
      • Figure 33 Liebert XDV dimensions with one-shot connection
      • Figure 34 Liebert XDV electrical connections for CE approved units
      • Figure 35 Liebert XDV electrical connections for CSA-approved units
      • Figure 36 Suspending single Liebert XDV from Unistruts
      • Figure 37 Suspending single Liebert XDV from the roof structure
      • Figure 38 Alternative mounting methods—mounting multiple Liebert XDV units
  • 4.3 Liebert XDCF Standard Features
    • Figure 39 Liebert XDCF hydraulic diagram
  • 4.4 Liebert XDCF Mechanical Considerations
    • Figure 40 Overall dimensions
  • 4.5 Liebert XDCF Installation Considerations
    • Figure 41 Liebert XDCF unit mounting locations
  • 4.6 Liebert XDCF Piping Connection Methods and Points
    • 4.6.1 Header System
      • Figure 42 Liebert XDCF supply and return piping access points
  • 4.7 Liebert XDH Standard Features
    • 4.7.1 Optional Features—Liebert XDH
      • Figure 43 Liebert XDH dimensions
      • Figure 44 Supply and return piping connections
    • 4.7.2 Piping Connections to Liebert XDP or Liebert XDC
      • Piping Installation for Hard Piped System
        • Figure 45 Hard-pipe connection diagram for Liebert XDV, Liebert XDO and Liebert XDH cooling modules
  • 4.8 Liebert XD Flex Pipe Kit
    • Table 17 Liebert XD Flex Pipe assemblies, supply and return
  • 4.9 Liebert XD Piping Dimensions and Features
    • 4.9.1 Piping Installation Method prefabricated headers
      • Figure 46 Two-port prefabricated piping for Liebert XD cooling modules
      • Table 18 Two-port prefabricated piping legend
      • Figure 47 Four-port prefabricated piping for Liebert XD cooling modules
      • Table 19 Four-port prefabricated piping legend
      • Figure 48 Five-port prefabricated piping for Liebert XD cooling modules
      • Table 20 Five-port prefabricated piping legend
      • Figure 49 Ten-port prefabricated piping for Liebert XD cooling modules
      • Table 21 Ten-port prefabricated piping legend
  • 4.10 Liebert XDP Standard Features
    • Figure 50 Liebert XDP dimensions
    • Table 22 Liebert XDP dimensions
    • Figure 51 Liebert XDP piping access points and external features
    • Table 23 Unit piping outlet connection sizes, inches, OD Cu
    • Figure 52 Front view of Liebert XDP and electrical enclosure
    • Figure 53 Liebert XDP electrical enclosure knockout locations for field wiring
    • Figure 54 Liebert XDP 60Hz high voltage connections
    • Figure 55 Liebert XDP 50Hz high voltage connections
  • 4.11 Liebert XDC Standard Features
    • 4.11.1 Liebert XDC Optional Features
      • Figure 56 Liebert XDC dimensional data
      • Table 24 Liebert XD Chiller dimensions, weight
      • Figure 57 Liebert XDC piping locations
      • Table 25 Liebert XD Chiller piping connection sizes
      • Figure 58 Positioning a water/glycol Liebert XDC for placement on a floor stand
      • Table 26 Liebert XDC Water/Glycol Piping Connection Sizes
      • Figure 59 Piping locations—floor stand and valve assembly
      • Figure 60 Front view of Liebert XDC and electrical enclosures
      • Figure 61 Liebert XDC electrical enclosure knockout locations for field wiring
      • Figure 62 Liebert XDC high voltage connections—primary disconnect switch, 60Hz models
      • Figure 63 Liebert XDC high voltage connections—primary disconnect switch, 50Hz models
      • Figure 64 Liebert XDC high voltage connections—secondary disconnect switch, 60Hz models
      • Figure 65 Liebert XDC high voltage connections—secondary disconnect switch, 50Hz models
      • Figure 66 Liebert XDC heat rejection electrical connection points
      • Figure 67 Liebert XDC electrical enclosure knockout locations for Extra Low Voltage connections
      • Figure 68 Liebert XDC Extra Low Voltage field connections points
• 5.0 Specifications
  • Table 27 Liebert XDC160 specifications
  • Table 28 Floor stand specifications—water-cooled Liebert XDC
  • Table 29 Floor stand specifications—Liebert XDC with 40% propylene glycol
  • Table 30 Floor stand specifications—Liebert XDC with 40% ethylene glycol
  • Table 31 Liebert XDP160 specifications
  • Table 32 Liebert XDO16 specifications
  • Table 33 Liebert XDO20 specifications
  • Table 34 Liebert XDO20 dimensions—domestic and export
  • Table 35 Liebert XDO16 dimensions—domestic and export
  • Table 36 Liebert XDV8 specifications
  • Table 37 Liebert XDV10 specifications
  • Table 38 Liebert XDV8 dimensions—domestic and export
  • Table 39 Liebert XDV10 dimensions—domestic and export
  • Table 40 Liebert XDCF specifications
  • Table 41 Liebert XDH specifications