Manuale UtenteSommario1.0 System Description7Figure 1 Pressure enthalpy diagram - refrigerant71.1 European Union Fluorinated Greenhouse Gas Requirements81.2 Direct and Indirect System Configurations8Figure 2 Direct system configuration—hydraulic system diagram8Figure 3 Indirect system configuration—hydraulic system diagram81.3 Liebert XDO—Overhead Cooling Module9Figure 4 Suspended Liebert XDO modules in hot aisle-cold aisle arrangement91.4 Liebert XDV—Vertical, Above-Cabinet Cooling Module10Figure 5 Top-mounted Liebert XDV modules with fixed piping in hot aisle-cold aisle arrangement10Figure 6 Top-mounted Liebert XDV modules with flexible piping in hot aisle-cold aisle arrangement101.5 Liebert XDH—Horizontal Cooling Module11Figure 7 Liebert XDH—horizontal cooling module in hot aisle-cold aisle arrangement111.6 Liebert XDCF12Figure 8 Liebert XDCF units on BladeFrame EX cabinets121.7 Liebert XDA—Air Flow Enhancer13Figure 9 Liebert XDA—air flow enhancer—on Liebert Foundation enclosure131.8 Liebert XDP—Pumping Unit141.8.1 Liebert XDP Minimum Load14Figure 10 Liebert XDP pumping unit141.9 Liebert XDC—Refrigerant Chiller151.9.1 Liebert XDC Minimum Load15Figure 11 Liebert XD Chiller unit151.10 Liebert XD Piping161.10.1 Liebert XD Field Piping16Flexible Piping Kit16Prefabricated Headers16Liebert XD Connection Port Kit16Figure 12 Liebert XD connection port kit16Table 1 Liebert XD field-installed port kits header connection size162.0 Starting a New Equipment Cooling Project172.1 Determining Cooling Equipment Needs172.2 Implementing a Hot-Aisle/Cold Aisle Design18Figure 13 Hot aisle-cold aisle arrangement with under-floor source183.0 Designing a Liebert XD Solution193.1 Determine Cooling Requirements and Select Liebert XD System193.2 Calculate the Heat Load to be Handled by Liebert XD System193.3 Selecting Liebert XD Cooling Modules203.4 Airflow Requirements for Liebert XD Solutions203.5 Configuring a Liebert XD System203.5.1 Number of Modules Supported by a Liebert XDP or Liebert XDC20Table 2 Maximum and minimum modules supported by a Liebert XDP or Liebert XDC203.6 Liebert XDO Placement213.6.1 Determining Spacing of Liebert XDOs in an Aisle21Figure 14 Liebert XDO placement over cold aisle21Table 3 Calculating quantity and spacing of Liebert XDO modules (example below is Liebert XDO20)213.6.2 Determining Vertical Placement of Liebert XDOs Above the Cold Aisle22Figure 15 Liebert XDO spacing—horizontal and vertical223.7 Liebert XDV Unit Placement23Figure 16 Positioning Liebert XDV on top of cabinet23Table 4 Determine required number of Liebert XDV modules (example below is Liebert XDV10)233.8 Liebert XDCF Placement24Figure 17 Liebert XDCF unit mounting locations243.9 Liebert XDH Placement25Figure 18 Liebert XDH placement253.10 Liebert XDP/Liebert XDC Placement253.11 Examples of Expansion and Interlaced Connection of Liebert XD Cooling Modules26Figure 19 Liebert XDV units mounted on racks emitting 3kW of heat, top view26Figure 20 Liebert XDV units mounted on racks emitting 5kW of heat, top view26Figure 21 Liebert XDV units mounted on racks emitting 8kW of heat top view27Figure 22 Liebert XDV units mounted on racks emitting 16kW of heat top view273.12 Liebert XD Refrigerant283.13 Liebert XD Piping System Design28Figure 23 Piping for Liebert XDP/Liebert XDC used with Liebert XD cooling units29Table 5 Supply, return pipe sizes for refrigerant loop29Figure 24 Hydraulic diagram303.14 Liebert XD Piping Slope303.15 Bypass Flow Controllers30Table 6 Bypass flow controllers for Liebert XDC- or Liebert XDP-based systems30Figure 25 Bypass flow controller details, dimensions31Figure 26 Bypass flow controller arrangement31Figure 27 Bypass flow controller piping313.16 Determining Refrigerant Volume323.16.1 Liebert XDP/Liebert XDC Pumped R-134a Circuit Volume32Table 7 System R-134a charge for a Liebert XDP/Liebert XDC with any model Liebert XDH/Liebert XDO/Liebert XDV/Liebert XDCF32Table 8 System refrigerant charge for the supply and return mains32Table 9 R-134a refrigerant charge for hard-piped connector lines to and from any model Liebert XDH/Liebert XDO/Liebert XDV/Liebert XDCF32Table 10 R-134a refrigerant charge for Flex Pipe connector lines to and from any model Liebert XDO/Liebert XDH/Liebert XDV/Liebert XDCF333.16.2 Calculating Refrigerant Charge—Example34Table 11 Calculating refrigerant charge—example34Table 12 Worksheet to calculate refrigerant charge343.17 Liebert XDC DX R-407c Circuit Volume—Air Cooled Units34Table 13 Indoor unit refrigerant charge—R-407c34Table 14 Outdoor condenser charge—R-407c35Table 15 Air cooled systems - liquid line charge - R-407c refrigerant per 100 ft (30 m) of Type "L" copper tube35Table 16 Indoor water/glycol cooled module – R-407c refrigerant charge353.18 Chilled Water Piping353.19 Electrical353.20 Display Panel and Remote Temperature/Humidity Sensor Locations354.0 Liebert XD Cooling Modules—Liebert XDO, Liebert XDV, Liebert XDH and Liebert XDCF364.1 Liebert XDO Standard Features364.1.1 Optional Features Liebert XDO36Figure 28 Dimensional data—Liebert XDO hard-piped units37Figure 29 Dimensional data—Liebert XDO with pre-charged option37Figure 30 Liebert XDO internal mounting location38Figure 31 Liebert XDO top and front electrical access points394.2 Liebert XDV Standard Features394.2.1 Optional Features—Liebert XDV40Figure 32 Liebert XDV dimensions40Figure 33 Liebert XDV dimensions with one-shot connection41Figure 34 Liebert XDV electrical connections for CE approved units42Figure 35 Liebert XDV electrical connections for CSA-approved units43Figure 36 Suspending single Liebert XDV from Unistruts44Figure 37 Suspending single Liebert XDV from the roof structure44Figure 38 Alternative mounting methods—mounting multiple Liebert XDV units454.3 Liebert XDCF Standard Features46Figure 39 Liebert XDCF hydraulic diagram464.4 Liebert XDCF Mechanical Considerations47Figure 40 Overall dimensions474.5 Liebert XDCF Installation Considerations48Figure 41 Liebert XDCF unit mounting locations484.6 Liebert XDCF Piping Connection Methods and Points484.6.1 Header System49Figure 42 Liebert XDCF supply and return piping access points494.7 Liebert XDH Standard Features494.7.1 Optional Features—Liebert XDH49Figure 43 Liebert XDH dimensions50Figure 44 Supply and return piping connections504.7.2 Piping Connections to Liebert XDP or Liebert XDC51Piping Installation for Hard Piped System51Figure 45 Hard-pipe connection diagram for Liebert XDV, Liebert XDO and Liebert XDH cooling modules514.8 Liebert XD Flex Pipe Kit52Table 17 Liebert XD Flex Pipe assemblies, supply and return524.9 Liebert XD Piping Dimensions and Features534.9.1 Piping Installation Method prefabricated headers53Figure 46 Two-port prefabricated piping for Liebert XD cooling modules53Table 18 Two-port prefabricated piping legend53Figure 47 Four-port prefabricated piping for Liebert XD cooling modules54Table 19 Four-port prefabricated piping legend54Figure 48 Five-port prefabricated piping for Liebert XD cooling modules55Table 20 Five-port prefabricated piping legend55Figure 49 Ten-port prefabricated piping for Liebert XD cooling modules56Table 21 Ten-port prefabricated piping legend564.10 Liebert XDP Standard Features57Figure 50 Liebert XDP dimensions57Table 22 Liebert XDP dimensions57Figure 51 Liebert XDP piping access points and external features58Table 23 Unit piping outlet connection sizes, inches, OD Cu58Figure 52 Front view of Liebert XDP and electrical enclosure59Figure 53 Liebert XDP electrical enclosure knockout locations for field wiring59Figure 54 Liebert XDP 60Hz high voltage connections60Figure 55 Liebert XDP 50Hz high voltage connections604.11 Liebert XDC Standard Features614.11.1 Liebert XDC Optional Features61Figure 56 Liebert XDC dimensional data61Table 24 Liebert XD Chiller dimensions, weight61Figure 57 Liebert XDC piping locations62Table 25 Liebert XD Chiller piping connection sizes62Figure 58 Positioning a water/glycol Liebert XDC for placement on a floor stand63Table 26 Liebert XDC Water/Glycol Piping Connection Sizes63Figure 59 Piping locations—floor stand and valve assembly64Figure 60 Front view of Liebert XDC and electrical enclosures65Figure 61 Liebert XDC electrical enclosure knockout locations for field wiring65Figure 62 Liebert XDC high voltage connections—primary disconnect switch, 60Hz models66Figure 63 Liebert XDC high voltage connections—primary disconnect switch, 50Hz models66Figure 64 Liebert XDC high voltage connections—secondary disconnect switch, 60Hz models67Figure 65 Liebert XDC high voltage connections—secondary disconnect switch, 50Hz models67Figure 66 Liebert XDC heat rejection electrical connection points68Figure 67 Liebert XDC electrical enclosure knockout locations for Extra Low Voltage connections68Figure 68 Liebert XDC Extra Low Voltage field connections points695.0 Specifications70Table 27 Liebert XDC160 specifications70Table 28 Floor stand specifications—water-cooled Liebert XDC71Table 29 Floor stand specifications—Liebert XDC with 40% propylene glycol71Table 30 Floor stand specifications—Liebert XDC with 40% ethylene glycol72Table 31 Liebert XDP160 specifications73Table 32 Liebert XDO16 specifications74Table 33 Liebert XDO20 specifications75Table 34 Liebert XDO20 dimensions—domestic and export76Table 35 Liebert XDO16 dimensions—domestic and export76Table 36 Liebert XDV8 specifications77Table 37 Liebert XDV10 specifications78Table 38 Liebert XDV8 dimensions—domestic and export79Table 39 Liebert XDV10 dimensions—domestic and export79Table 40 Liebert XDCF specifications79Table 41 Liebert XDH specifications80Dimensioni: 6,06 MBPagine: 84Language: EnglishApri il manuale