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Emerson Liebert Xtreme Density Brochure

1. i D gt NNN ji T o e e o 8 1 Ap 98888011 BZ OOq04 O E 8 Locator stud for lower r unit mounting angle 7 i J rr og gd Eg Eg po ll iN n l Hii I J NE mb 11 f IN i l L r l IN l n y 4I II HiHi j f i i o i i Captive nuts fi for right side lp mounting K fasteners 7 l o o o gt Captive nuts m for right side Jp Ld mounting ety fasteners AA m Lower Module Mounting Area Detail Area A Upper Module Mounting Area BladeFrame Lower Module Power Modules Mounting Area Locator stud for upper unit mounting angle 4 6 Liebert XDCF Piping Connection Methods and Points The assembly and connection means used for piping in the Liebert XD system are the same as those used in conventional refrigeration systems Observe all standard practices during installation and startup to prevent damage and contamination Supply piping connection 1s 1 2 OD copper pipe and return piping connection 1s 5 8 OD copper Both supply and return fittings are one shot connections These fittings c
2. 62 Liebert XDC electrical enclosure knockout locations for Extra Low Voltage connections 62 Liebert XDC Extra Low Voltage field connections points 63 iii Table 1 Table 2 Table 3 Table 4 Table 5 Table 6 Table 7 Table 8 Table 9 Table 10 Table 11 Table 12 Table 13 Table 14 Table 15 Table 16 Table 17 Table 18 Table 19 Table 20 Table 21 Table 22 Table 23 Table 24 Table 25 Table 26 Table 27 Table 28 Table 29 Table 30 Table 31 Table 32 Table 33 Table 34 Table 35 Table 36 Table 37 Table 38 Table 39 Table 40 Table 41 TABLES Liebert XD field installed port kits header connection SiZe Maximum and minimum modules supported by a Liebert XDP or Liebert XDC Calculating quantity and spacing of Liebert XDO modules example below is Liebert XDO20 Determine required number of Liebert XDV modules example below is Liebert XDV10 Supply return pipe sizes for refrigerant loop 0 0 0 0 kK KK KK KK KK KK KK RI Bypass flow controllers for Liebert XDC or Liebert XDP based systems System R 134a charge for a Liebert XDP Liebert XDC with any model Liebert XDH Liebert XDO Liebert XDV Liebert XDCF KK KK KK KI K KI K KI KI KI KK KK KK KK KI YKY KK KK KK Ya System refrigerant charge for the supply and return MainS R 134a refrigerant charge for hard pi
3. JJJ msc 38 965 34 864 33 1 8 841 33 838 36 914 990 449 1067 484 XDP160 The dimension does not include the bezel of the disconnect switch 51 Liebert XD Cooling Modules Liebert XDO Liebert XDV Liebert XDH and Liebert XDCF Figure 51 Liebert XDP piping access points and external features To first cooling module or bypass flow controller Install replaceable filter dryer assembly in liquid supply line B Orientation determined A Return From Cooling Modules by installer 17 1 4 B Supply to Cooling Modules 483mm Dimensions are approximate and subject to change without notice D Chilled Water Return Y L C Chilled Water Supply To Chilled Water Source From Chilled Water Source Allow 8 204mm clearance for filter replacement To ensure ensure all refrigerant flow is filtered install the filter dryer assembly DPN000767 between the discharge line of the XD P and the first bypass flow controller Pg 3 Rev 6 or the first cooling module Table 23 Unit piping outlet connection sizes inches OD Cu Pipe Connection Point Liebert 2 1 8 1 1 8 2 5 8 2 5 8 XDP160 52 Liebert XD Cooling Modules Liebert XDO Liebert XDV Liebert XDH and Liebert XDCF Figure 52 Front view of Liebert XDP and electrical enclosure AW AA Disconnect Switch Enclosure Cover Latch Hazardous Voltage Enclosur
4. aeaaaee neee 41 4 5 Liebert XDCF Installation Considerations KK KEK KK KK KK KK KK KK KK KK KK 42 4 6 Liebert XDCF Piping Connection Methods and Points 42 45 Hend k A e dote m atu de Bad we eee ats IQ QO us tex Skee Gan a ust a 43 4 7 Liebert ADH standard Features 34 4 a4 yr dde as Ada rd e abs 43 4 7 1 Optional Features Liebert XDH RR RR Re 43 4 7 2 Piping Connections to Liebert XDP or Liebert XDC 45 4 8 Lepet XD es Pipe R ly ese dna xL pA rhe a xoi due tute Bip dut see rA 46 4 9 Liebert XD Piping Dimensions and Features 47 4 9 1 Piping Installation Method prefabricated headers 47 410 Liebert XDP Standard Features Jan gal te ANA E cte dal wl skal th a bak P OR Aa 51 411 Liebert XDC Standard Features KK KK KK KK KIR KK KK KK hh 55 4 11 1 Liebert XDC Optional Features KK KK KK KK kk RR RR RR kk kk 55 9 0 SPECIFICATION S 45 vs 399 xt KE Bac os du d WAR an BN vraie e Up eee 64 FIGURES Figure 1 Pressure enthalpy diagram refrigeradt res 1 Figure 2 Direct system configuration hydraulic system diagram 2 Figure 3 Indirect system configuration hydraulic system diagrAm 2 Figure 4 Suspended Liebert XDO modules in hot aisle cold aisle
5. Downflow Downflow Cooling Cooling Unit Unit XDVs Mounted on Equipment Racks Interlaced piping Circuit 3 arrangement XDOs Mounted Cete for enhanced on Equipment Racks ircui protection 3 12 3 13 Designing a Liebert XD Solution Liebert XD Refrigerant The refrigerant used in the Liebert XD system is HFC 134a 1 1 1 2 tetrafluoroethane made by a number of manufacturers The amount of refrigerant used by the Liebert XD system may be signifi cantly higher than in typical DX cooling systems A CAUTION Risk of improper oil use Can cause equipment damage The Liebert XD pumped R 134a refrigerant circuits do not use refrigerant oil Do NOT put oil in the R 134a system All the major components of a Liebert XD system must be installed in a space with a volume of at least 1 000 ft 28 3m for each 13 pounds of refrigerant in that system from Table 1 ASHRAE Stan dard 15 2001 Safety Standard for Refrigeration Systems If the Liebert XDP Liebert XDC is placed in a separate area such as a machine room then this area must also meet the volume reguirement Inside the critical space this includes the space under the raised floor and the space between the top of the raised floor and the bottom of a suspended ceiling If the suspended ceiling is all open grates then this additional space up to the overhead deck would also be included
6. Table 15 Air cooled systems liquid line charge R 407c refrigerant per 100 ft 30 m of Type L copper tube EET Ib kg Ib kg Te 378m m esa 5 i060 2200 Pe ere aga 1 3 8 TEY 1 5 8 PP 16 7 7 Table 16 Indoor water glycol cooled module R 407c refrigerant charge Model 60 Hz Charge Circuit Ib kg Liebert XDC 160 30 0 13 2 per circuit Chilled Water Piping The Liebert XDP is offered only with a two way chilled water control valve Some applications may require the use of a pressure activated bypass valve to prevent dead heading of the chilled water pump This bypass valve must be specified by the engineer responsible for design of the chilled water field piping system Chilled water connections to the Liebert XDP are near the bottom of the unit Refer to the Liebert XDP user manual SL 16641 for further information Piping is routed downward from the unit to chilled water piping under the raised floor Connections are made using standard practices for copper chilled water piping Victaulic connections may be used to simplify installation in existing facilities Refer to Table 31 for additional information Electrical Make all wiring and electrical connections in accordance with local and national codes Refer to the applicable table in 5 0 Specifications regarding wire size and circuit protection requirements Refer to electrical schematic when making connections Display
7. 410 Liebert XDP Standard Features Heat Exchanger Brazed plate design with interwoven circuiting constructed of stainless steel plates copper brazed Pumps Centrifugal type end suction internally cooled canned rotor design Standard Control Processor The standard control system is microprocessor based with an exter nal LCD numerical display to allow observation of specified adjustable functions Operating con ditions and status are indicated on the LCD panel which is mounted either on the unit or on the wall depending on application details see user manual SL 16641 The control system also mon itors unit operation and activates an alarm when any of the specified factory preset conditions are exceeded Cabinet and Frame Custom powder painted steel panels A hinged control access panel opens to a second front panel which is a protected enclosure for all high voltage components Frame is con structed of 14 gauge heliarc welded tubular steel and painted using an auto deposition coating system Figure 50 Liebert XDP dimensions A B overs Overall Side Panel 78 1981mm 1 25mm 5 1 2 140mm 11 279mm Floor Cutout Dimensions Unit Base The shaded area indicates a recommended clearance Unit Base of 36 914mm for component access DPNOOO0767 Unit Dimensional Data Pg 2 Rev 6 Table 22 Liebert XDP dimensions Model Dimensional Data inches mm Shipping Weight Ib kg
8. Indirect Liebert XD System Configuration Liebert XDPs pump refrigerant to Liebert XDCF Liebert XDH Liebert XDO or Liebert XDV modules isolate refrigerant circuit from building chilled water supply with an internal heat exchanger and maintains refrigerant temperature above the actual dew point XDP Pumped Refrigerant Cooling Module Building Chilled En Liebert XD bu Water XDP Cooling Module Supply Piping Pumped Refrigerant B Mer XD Return Piping ooling Module XD Liebert XDCF Liebert XDH Liebert XDO or Liebert XDV System Description 1 3 Liebert XDO Overhead Cooling Module The Liebert XDO ceiling mounted cooling module draws in hot air rising from densely populated cab inets passes it over the Liebert XDO s coils and exhausts cooled air downward into the cold aisle The unit is available with optional flexible metal pipes with quick connect couplings at each end for easy connection to the refrigerant distribution pipes Figure 4 Suspended Liebert XDO modules in hot aisle cold aisle arrangement Hot aisles and cold aisles Cold Aisle alternate taking advantage Hot Aisle Cold Aisle of airflow properties to Hot Aisle increase cooling efficiency Cold Aisle System Description 1 4 Liebert XDV Vertical Above Cabinet Cooling Module The Liebert XDV is installed on top of or above a rack enclosure It is availa
9. 11 Determining Cooling Equipment NeedS ee KK KK k 11 Implementing a Hot Aisle Cold Aisle Design KK KK KK KK KK KI KK KK KK KI KK KK 12 DESIGNING A LIEBERT XD SOLUTION 4 J kk kk kk kk kk kk kk kk kk kk kk kk kk kk kk kk ka 13 Determine Cooling Requirements and Select Liebert XD System 13 Calculate the Heat Load to be Handled by Liebert XD System 13 Selecting Liebert XD Cooling Modules IR 14 Airflow Requirements for Liebert XD Solutions KK KK KK RR YR KV KK KK K 14 Configuring a Liebert XD System KK KK KK KK es 14 3 5 1 Number of Modules Supported by a Liebert XDP or Liebert XDC 14 Inebert XDO PlACeiMeit gt oq see bad ke ees yee bie e dep gr d PAPAE Ce Oa pea dads 15 3 6 1 Determining Spacing of Liebert XDOs in an Aisle 15 3 6 2 Determining Vertical Placement of Liebert XDOs Above the Cold Aisle 16 Liebert XDV Unit Placement oo lt ae ad ka k ara ka Roane a BOG dis 17 Inepert ADC Placement 24 esti sila a es Sites E wd bE es ag an EUR eee 18 Liebert XDH Placenta Xu bet a A TES SE k PEN lan d k y RC aed 19 Liebert XDP Liebert XDC Placement KK KK KI KK KK KI KK KI KK KK KI KK eee 19 Examples of Expansion and Interlaced Connection of Liebert XD Cooling Modules 20 Liebert XD ReMIPCrant Ke eh Kar RARE
10. 98 F 37 C EAT 8kW 2 3 Tons dis at Maximum 106 F 41 C EAT 11 8kW 3 4 Tons Maximum 116 F 47 C EAT 11 8kW 3 4 Tons Conditions Capacity Rating is 55 F 13 C Entering Fluid Temperature and 50 F 10 C or lower dew point rear air inlet Electrical Requirements 230V model 120V model 1ph 60 Hz 1ph 60 Hz 230V model 1ph 50 Hz Input power connections 2 power connections each model Full Load Amps 120V model 2 0A 230V model 1 0A Power consumption 180 190 190 190 nominal watts Dimensions inches mm Height unit only 14 355 not including pipe connections Height including hard pipe connections HES Height including one 19 5 8 498 shot connections Depth Top 39 1 2 1003 Depth Bottom 29 5 8 752 Weight Ib kg Unit only 77 35 Shipping weight 125 57 Installed with refrigerant 79 36 1000 1699 with rear inlet Bottom inlet airflow 833 1415 with rear inlet Bottom inlet airflow may be less depending on restrictions inside may be less depending on restrictions inside cabinet cabinet Audible noise 78 dBa sound power 73 dBa sound power Pipe Connections without Liebert Flex Pipe Airflow Nominal ft min m hr Refrigerant supply from Liebert XDP XDC Refrigerant return to Liebert XDP XDC Serviceable Parts 1 2 OD Cu optional 1 2 threaded coupler flex piping 5 8 OD Cu optional 3 4 threaded coupler flex piping Fans and
11. Each Liebert XDO serves an area equal in width to the cold aisle spacing typically 12 to 16 feet 3 7 to 4 9m The length of the area served includes any space between Liebert XDO modules ina row Depending on the cooling capacity to be achieved spacing between Liebert XDO modules in a row may vary from zero to as much as 6 feet 1 8m When the spacing increases to more than 6 feet 1 8m overall performance of the system may be negatively affected and gaps in cooling may occur Emerson recommends installing one Liebert XDO at the end of each aisle being cooled and to space the remainder between these end units in pairs as shown in Figure 15 This layout will block the incursion of hot air around the side of the end cabinets Figure 14 Liebert XDO placement over cold aisle Hot air is drawn into the XDO for cooling R Critical Equipment Critical Equipment Critical Equipment Critical Equipment Cooled air enters the rack Hot air goes into the hot aisle COLD AISLE HOT AISLE COLD AISLE Cold Aisle Spacing Table 8 can be used to determine the correct number and spacing of Liebert XDOs Table 3 Calculating quantity and spacing of Liebert XDO modules example below is Liebert XDO20 Total heat load in the room KW a Reserve capacity needed 10 to 25 of A is recommended PC LLL LS TRequired cooling capacity KW A B Existing planned Liebert Deluxe DS unit sensible capacity kW Required
12. 160 specications uai Wa kl sya Id os a ETE Floor stand specifications water cooled Liebert XDC Floor stand specifications Liebert XDC with 40 propylene glycol Floor stand specifications Liebert XDC with 40 ethylene glycol Tiebert XxDP160 specications sa su yay bad de Gas Da LOLA RB AO deber Mi i Ee dac EA Liebert XLOT16 3peGifiG Atl0DnS vives wea o CA P aac a e eer Ce hod apa do eg eti k al Sen ak Liebert O20 specications sxe n LES kd awan A Ie E RU la aa Kad Kw AUG Liebert XDO20 dimensions domestic and export Liebert XDO16 dimensions domestic and export Liebert XDVS specifications csse sadasa a aa y PA No ue Ss i wa k y Re on kla Wi CE Liebert XDV10 specifications Liebert XDV8 dimensions domestic and export KK KK RIK KK KI KK KK KK KK KK KK Liebert XDV10 dimensions domestic and export Liebert DOCE Spot CA ON ML Aa s ya CAT RUM RE e EA Be aka See SCR OE d Liebert XDH specifications kk kk KK ab KK kk kk kk kk kk kk kk kk a 1 0 System Description SYSTEM DESCRIPTION The Liebert XD family of cooling units delivers efficient sensible cooling to high heat environ ments Liebert XD systems are designed to cool computer racks and hot zones in a data center or com puter roo
13. 8m long that attach to two IEC power inlets on the rear of the unit Each power cord has a NEMA 5 15P IEC 320 C14 plug at the opposite end The dual power cords allow the unit to be powered by two separate power sources If the secondary power cord is con nected to a UPS the Liebert XDH unit fans will continue to operate if utility power fails Top Piping Access The Liebert XDH has supply and return piping access on the top of each module Supply piping connection is 1 2 OD copper pipe and return piping connection is 7 8 OD copper Corner Stabilizers A stabilizer in each corner permits rolling the Liebert XDH with greater ease and less chance of tipping Air Diffusers Two diffusers one on the upper half of the unit and one on the lower half enhance flow of cooling air Uni directional and bi directional diffusers are available 4 7 1 Optional Features Liebert XDH Condensate Detection A Liqui tect moisture detection device and a contact closure output are available as factory installed options These detect condensation in the Liebert XDH s catch pan and connect to a monitoring or alarm system A front panel alarm and indicator alert the user to condensation inside the unit Refrigerant Pre Charge Liebert XDH units with the pre charged refrigerant option will have one shot style fittings or removable couplings that contain pressurized refrigerant inside the Lie bert XDH The fittings ease connection to Liebert XD Piping and f
14. Each kit contains supply pipe s and return pipe s Each port has a threaded coupling at the end with automatic shutoff when disconnected Each port also has a ball valve for manual shutoff For more information refer to section 4 9 Liebert XD Piping Dimensions and Features Liebert XD Connection Port Kit The connection ports in the Liebert XD Field Piping Kits are available as Liebert XD Connection Port Kit Each port has a threaded coupling with automatic shutoff when disconnected at the end Each port also has a ball valve for manual shutoff Each kit contains one supply and one return port Two kit sizes are available Supply pipe 1 1 8 return pipe 2 1 8 Supply pipe 1 3 8 return pipe 2 5 8 Figure 12 Liebert XD connection port kit Return valve shown Supply valve appearance is similar but is smaller Table 1 Liebert XD field installed port kits header connection size Supply Header Return Header Assembly P Diameter Diameter 183169G3 1 1 8 2 1 8 183169G4 1 3 8 2 5 8 10 Starting a New Eguipment Cooling Project 2 0 STARTING A NEW EQUIPMENT COOLING PROJECT 2 1 Determining Cooling Equipment Needs Iw pe oe SAL uc Wer ED 11 12 13 14 Is adeguate space available for a Liebert XD installation Is the hot aisle cold aisle approach being utilized for this room design or can it be utilized in this room design Is redundant cooling equipment required Are there a
15. Liebert XD system cooling capacity kW C D Number of Liebert XDO20s required E 20 rounded up 60Hz E 16 rounded up 50Hz Number of Liebert XDP Liebert XDC modules required F 8 a up ep lt Q and 50Hz Room area Room area square feet Room area square feet A A Spacing of cold aisles center to center J typically 12 16 ft 3 7 to 4 9m __ ___ VT K_TSpacing between each Liebert XDO 1 J 2 Required Liebert XD system cooling density E x 1000 H L OK if under 640 otherwise additional cooling is reguired from Liebert Deluxe or Liebert DS units 15 Designing a Liebert XD Solution 3 6 2 Determining Vertical Placement of Liebert XDOs Above the Cold Aisle In the maximum density configuration Emerson recommends placing the Liebert XDOs between 18 and 24 inches 457 609mm above the equipment cabinets In some cases where the required density is less the front to rear spacing of Liebert XDOs in a row will be increased To ensure coverage of the wider spaces between the Liebert XDO units the vertical distance between the cabinets and the Lie bert XDOs should be increased However the recommended maximum height of the Liebert XDO above the cabinets is 30 inches 762mm See Figures 15 Figure 15 Liebert XDO spacing horizontal and vertical Pairs of XDO modules above critical equipment Front to rear spacing of pairs of XDO modules XDO height above equipment to be cooled Li
16. Panel and Remote Temperature Humidity Sensor Locations The display panel must always be installed in the conditioned space The display panel may be mounted on the Liebert XDC XDP s front door if the unit is located in the area that it conditions The remote temperature humidity sensor for the Liebert XDP and the Liebert XDC should be located in the higher temperature portion of the cold aisle where the XD modules are located Alternatively it can be placed on the return air side of the primary air mover e g Liebert Deluxe System 3 in the room if it represents the conditions where all the XD cooling modules are located It should not be installed where ambient air might cause false readings for example near unsealed doors windows and similar areas 29 4 0 4 1 4 1 1 Liebert XD Cooling Modules Liebert XDO Liebert XDV Liebert XDH and Liebert XDCF LIEBERT XD COOLING MODULES LIEBERT XDO LIEBERT XDV LIEBERT XDH AND LIEBERT XDCF Liebert XDO Standard Features Micro Channel Heat Exchanger The Liebert XDO unit includes two all aluminum micro channel heat exchangers Fan Air is drawn in the sides of the unit through the heat exchangers and is discharged by the fan to the area below Liebert XDO fan tray hinges down to allow access to replace or service all electrical components Internal Mounting The Liebert XDO unit is typically suspended from the overhead building structure by inserting field supplied thre
17. Power Busbar Primary Power Block Connection PA ti FER Wire 7 2 3 L 3 Sa rana IA II oe Ground Pe Lug Primary Disconnect Switch Compressor Transformer 3 Relay Electronic Hot Gas Contactors Bypass Controllers 60 Liebert XD Cooling Modules Liebert XDO Liebert XDV Liebert XDH and Liebert XDCF Figure 64 Liebert XDC high voltage connections secondary disconnect switch 60Hz models Power Connection From Primary Power Block Ground Lug Secondary Disconnect Switch Pump Circuit Breakers Pump Contactors Transformer 2 Secondary Power Block Transformer Fuse Block Transformer 1 Figure 65 Liebert XDC high voltage connections secondary disconnect switch 50Hz models Power Connection From Primary Power Block Secondary Disconnect Switch Ground Lug Pump Circuit Breakers Busbar Pump Contactors 1 Ji T ZR San QU Sgi re Oa AA AA o fo o QO O O e e e 61 Transformer 2 Power Block Fuse Blocks Transformer 1 Liebert XD Cooling Modules Liebert XDO Liebert XDV Liebert XDH and Liebert XDCF Figure 66 Liebert XDC heat rejection electrical connection points HEAT REJECTION ELECTRICAL CONNECTION POINTS Field supplied 24V Class 1 wiring to interlock heat rejection from pigtails 70A and 71A Compressor 1 circuit 70B and 71B Com
18. and piping access Weight Ib kg Unit only 150 68 Shipping weight 238 108 296 134 Installed with refrigerant 155 70 without options Number of Fans Airflow Nominal ft min m3 hr 2700 4587 2250 3822 Audible Noise 85 dBa sound power 83 dBa sound power Pipe Connections Refrigerant Supply from Liebert XDP Liebert XDC Refrigerant Return to Liebert XDP Liebert XDC Serviceable Parts 1 2 OD Copper 7 8 OD Copper Fan and electrical components Exterior Finish Bottom Sides Front and Rear Black matte finish heat fused powder coat Exterior Finish Top Hot dipped galvanized steel Approvals CSA 60 Hz CSA 60Hz CE 50Hz Agency Lighting Fixtures ship loose 2 Liebert XDOs per lighting unit 120V or 277V 4 standard fluorescent tubes not included Power optional lighting fixture 0 9A per 120V light fixture 0 4A per 277V light fixture Condensate sensing factory installed Dry contact 24VAC 1A maximum 68 Specifications Table 33 Liebert XDO20 specifications XDO20DK XDO20BKP XDO20DKP XDO20BK E XDO20BS XDO20DS XDO20BSP XDO20DSP v XDO20DK E XDO20BKPE XDO20BS E XDO20DS E XDO20DKPE XDO20BSPE XDO20DSPE Nominal 92 F 33 C EAT Nominal 92 F 33 C EAT 20kW 5 7 Tons 17 7kW 5 Tons Maximum 100 F 88 C EAT 23kW 6 5 Tons Maximum 103 F 39 C EAT 23kW 6 5 Tons del Capacity rating is 55 F 13 C Entering Fl
19. arrangement 3 Figure 5 Top mounted Liebert XDV modules with fixed piping in hot aisle cold aisle arrangement 4 Figure 6 Top mounted Liebert XDV modules with flexible piping in hot aisle cold aisle arrangement 4 Figure 7 Liebert XDH horizontal cooling module in hot aisle cold aisle arrangement 5 Figure 8 Liebert XDCF units on BladeFrame EX cabinets 6 Figure 9 Liebert XDA air flow enhancer on Liebert Foundation enclosure 7 Figure 10 Liebert XDP pumping unit kk KK KK KI KK KK KK KK KK KK RR kk RR 8 Figure ll Liebert XD Ghaller unit 0 a tO ER EX KUN a land an i reta 9 Figure 12 Liebert XD connection port kit Res 10 Figure 13 Hot aisle cold aisle arrangement with under floor source 12 Figure 14 Liebert XDO placement over cold aisle ii 15 Figure 15 Liebert XDO spacing horizontal and vertical 16 Figure 16 Positioning Liebert XDV on top of cabinet KI es 17 Figure 17 Liebert XDCF unit mounting locations KK KK KK KK KK KK KK KK KK KK KK s 18 Figure 18 Liebert XDH placement 19 Figure 19 Liebert XDV units mounted on racks emitting 3kW of heat top view 20 Figure 20 Liebert XDV units mounted on racks emitting 5kW of heat top vi
20. e Sr er aco eoa e del rl RT s A 22 Liebert XD Piping System Design lees RR RR es 22 Keber XD Pipine 5 lopOr lt s y Zu e a ha ae Bee A EC ERG Q20 e a nea ree USA 24 bypass low Controller ud Xwaya be ny Paws ie nS usd eae dade Gate Sud dettes A 24 Determining Refrigerant Volume l k na N a Wla eW eee ee rh 26 3 16 1 Liebert XDP Liebert XDC Pumped R 134a Circuit Volume 26 3 16 2 Calculating Refrigerant Charge Example 28 Liebert XDC DX R 407c Circuit Volume Air Cooled Units 28 Chilled Water IOs auc uiis qe odd cach Oe see oos a euo V an da eC Ae rae rrr 29 Kerala ne oo Sent se PEA e e eism Od dare an qiue SOE oy Usa X qo cue RGR ewe A 29 3 20 Display Panel and Remote Temperature Humidity Sensor Locations 29 4 0 LIEBERT XD COOLING MODULES LIEBERT XDO LIEBERT XDV LIEBERT XD AND LIEBERT ADCP usw Edom 1o ede Re ay a 30 4 1 Lieberc XDO Standard Pest ure 23 mau oo rats id Re a d n IS 30 41 1 Optional Features Liebert XDO KK KK KK KK KK KK KK KK KK KK KK KK kK 30 4 2 laebert XD V Standard Features cwpku nk RR e Qal ains 39 42 1 Optional Features Liebert XDV KK KK KI KI K KI KI K KI K KI KI K KI KI KI res 34 4 3 Liebert XDCF Standard Features edb Bibi BAE AES kk om 40 4 4 Liebert XDCF Mechanical Considerations
21. maintains the refrigerant temperature just above the dew point of the space to prevent condensation Since the capacity of the system is lim ited by the dew point in the space sufficient dehumidification and an adequate vapor barrier must be provided to maintain the dew point at or below the level necessary to achieve the required capacity The Liebert XD system is optimized for hot aisle cold aisle equipment configurations the industry s most highly recommended method for dealing with extremely high heat loads Refer to the technical data manual of either the Deluxe System 3 SL 18100 or the Liebert DS SL 18810 for additional installation and application guidelines that apply to all critical space cooling applications Determine Cooling Requirements and Select Liebert XD System Calculate the total cooling required Determine placement of the Liebert XD units Determine required pipe sizes Calculate the refrigerant volume of the Liebert XD systems pope e bw Complete design details including electrical mounting piping etc Calculate the Heat Load to be Handled by Liebert XD System When designing a cooling solution using the Liebert XD system the initial steps are similar to those required to cool a conventional critical space The total heat load must be calculated including sensi ble and latent cooling requirements These should be increased by the reserve capacity needed for pull down situations where the room temperature mu
22. through the perforated floor tiles is drawn into the face of the computer hardware and exhausted out the back of the eguipment rack onto the adjacent hot aisles Hot aisles are literally hot because the objective of the alternating cold and hot aisle design is to sepa rate the source of cooling air from hot air discharge which returns to the computer room cooling unit Therefore no perforated tiles should be placed in the hot aisles as this would mix hot and cold air and thereby lower the temperature of the air returning to the cooling units which reduces their usable capacity Figure 13 Hot aisle cold aisle arrangement with under floor source Heated air expelled from 4 amp racks is drawn into cooling unit and returned to floor supply Precision Air Conditioning Unity Precision Air Conditioning Unit Cold air supplied through perforated floor tiles is drawn into racks m p HOT AISLE COLD AISLE HOT AISLE Perforated Tiles 12 3 0 3 1 3 2 Designing a Liebert XD Solution DESIGNING A LIEBERT XD SOLUTION Liebert XD systems are intended for use with precision air conditioning eguipment such as the Lie bert Deluxe System 3 and Liebert DS The precision air conditioning equipment is required to control the room s humidity and to filter the air The Liebert XD systems provide efficient highly effective heat removal sensible cooling only and provide no dehumidification The Liebert XD control system
23. 60 feet OD for 1 1 8 OD for lengths up to 60 feet up to 60 feet 1 3 8 OD for lengths over 60 but less than 175 feet 2 1 8 OD for lengths up to 60 feet 2 5 8 OD for lengths over 60 but less than 175 feet From any model Liebert XDO Liebert XDH supply C 1 2 OD for lengths up to 10 feet to supply line of Liebert XDP 7 8 OD for lengths over 10 but less than 25 feet From any model Liebert XDO Liebert XDH return 7 8 OD for lengths up to 10 feet to return line of Liebert XDP 1 1 8 OD for lengths over 10 but less than 25 feet From any model Liebert XDV Liebert XDCF supply C 1 2 OD for lengths up to 10 feet to supply line of Liebert XDP 5 8 OD for lengths over 10 but less than 35 feet From any model Liebert XDV Liebert XDCF return 5 8 OD for lengths up to 10 feet to return line of Liebert XDP 7 8 OD for lengths over 10 but less than 35 feet For additional information about piping connections see the unit s user manual Liebert XDP 16641 Liebert XDC SL 16671 Liebert XDO SL 16666 Liebert XDV SL 16626 Liebert XDCF SL 16678 and Liebert XDH20 and Liebert XDH32 SL 17210 NOTE To minimize the amount of refrigerant required do NOT oversize the piping 23 Designing a Liebert XD Solution Figure 24 Hydraulic diagram 3 14 3 15 Supply Lines E Module Liebert XDP Pumped Refrigerant MC oo oling Module j D C ooling Module me XD CoolFrame D XDH XDO or XDV Liebert XD Piping
24. 71 7 178 Outside Diameter ODR 2 1 8 2 5 8 eturn inch mm Height H 10 1 2 267 10 1 2 267 Length L 8 3 4 222 9 1 8 232 Pipe runs greater than 60 equivalent feet 49 Liebert XD Cooling Modules Liebert XDO Liebert XDV Liebert XDH and Liebert XDCF Figure 49 Ten port prefabricated piping for Liebert XD cooling modules TN 2492 o 3e SA RC 7 El AR v9 S gt gt b gx S MMES SS A2 SA AN ea lt gt t gt Jis D SA C p y SR IIS H TAN 2 lt 5 D AP SL j PIR SE a AJ LD OM dL EY 7 GC S TE D lt SA Ji 52s lt p 120 Ref 3048mm 7 7 16 189mm TAS HD HM mm D ots ey tag La il tawa o La Ed anf Tor www EE FE TET TT IN II E E E 9 JANE r NEN r Y ei EE Sa 2 eh UN Sa D a eho 16 9 16 7 7 16 Ref Typ Supply 610mm 421mm 189mm Ref TYP Ref Typ p Cr m e 9 1 16 230mm Ref Typ Return DPN000773 Page 4 Rev 3 Table 21 Ten port prefabricated piping legend Branch Piping Standard Run 86650651 186553G51 Sana Outside Diameter ODS 1 1 8 1 3 8 Rd inch mm Height H 8 3 4 222 8 3 4 222 Length L 6 3 4 171 6 7 8 175 Outside Diameter ODR 2 1 8 2 5 8 Belum Height H 10 1 2 267 10 1 2 267 inch mm Length L 8 3 4 222 9 1 8 232 Pipe runs greater than 60 equivalent feet 50 Liebert XD Cooling Modules Liebert XDO Liebert XDV Liebert XDH and Liebert XDCF
25. 75 Outside Diameter ODR 2 1 8 2 5 8 Return Height H 10 1 2 267 10 1 2 267 inch mm Length L 8 3 4 222 9 1 8 232 Pipe runs greater than 60 equivalent feet 47 Liebert XD Cooling Modules Liebert XDO Liebert XDV Liebert XDH and Liebert XDCF Figure 47 Four port prefabricated piping for Liebert XD cooling modules SIR IS ANA SIK SA I Oy SS LAN 54 96 Nominal 2438mm 48 Ref Typ 1219mm 19 7 16 494mm T 2 DPNO000773 19 7 16 Ref 28 9 16 Ref Page 2 Rev 3 Table 19 Four port prefabricated piping legend Branch Piping Standard Run Feuer O a TEBSZGZT ace Outside Diameter ODS 1 1 8 1 3 8 i neh mm Height A 8 3 4 222 8 3 4 222 Length L 6 3 4 171 6 7 8 175 Rel Outside Diameter ODR 2 1 8 2 5 8 eturn inch mm Height H 10 1 2 267 10 1 2 267 Length L 8 3 4 222 9 1 8 232 Pipe runs greater than 60 equivalent feet 48 Liebert XD Cooling Modules Liebert XDO Liebert XDV Liebert XDH and Liebert XDCF Figure 48 Five port prefabricated piping for Liebert XD cooling modules 120 Nominal 3048mm 4 5 8 Supply 117mm DPNOOO773 Return Page 3 Rev 3 Table 20 Five port prefabricated piping legend Branch Piping Standard Run 8578751 18500065 Outside Diameter ODS 1 1 8 1 3 8 n inch mm Height H 8 3 4 222 8 1 2 216 Length L 6 3 4 1
26. BEEN NEN al U I NEN IB IBI IBI o Lo II Circuit 1 Circuit 2 12 5 16 2 1 4 5 1 4 313mm 57 133 mm Inlet 26 15 16 684mm FLOOR STAND CONNECTIONS LEFT SIDE OF CABINET DPNOO1419 Pg 2 Rev 01 58 Liebert XD Cooling Modules Liebert XDO Liebert XDV Liebert XDH and Liebert XDCF Figure 60 Front view of Liebert XDC and electrical enclosures Secondary Primary Disconnect Disconnect Switch Switch Status Lamps User Interface Enclosure Cover Latch Enclosure Cover Latch Hazardous Voltage y Enclosure Cover Hazardous Voltage Enclosure Cover Pa SECONDARY PRIMARY ELECTRICAL ENCLOSURE COMPRESSOR SECTION ELECTRICAL ENCLOSURE PUMP SECTION Figure 61 Liebert XDC electrical enclosure knockout locations for field wiring Knockout for Input Power Enclosure Cover Not Shown for Clarity 59 Liebert XD Cooling Modules Liebert XDO Liebert XDV Liebert XDH and Liebert XDCF Figure 62 Liebert XDC high voltage connections primary disconnect switch 60Hz models Transformer Fuse Block Customer Power Connection Compressor Fuse Blocks Primary Power Block Ground Lug Primary Disconnect Switch Electronic Hot Gas Compressor Contactors Transformer 3 Bypass Controllers Relay Figure 63 Liebert XDC high voltage connections primary disconnect switch 50Hz models Compressor Customer Circuit Breakers
27. CT INCORRECT Liebert XDV is flush with Liebert XDV is Liebert XDV front edge of rack too far from front hangs over front edge of rack edge of rack Both of the Liebert XDV s power cords should be connected to power sources If only one power source is available then only the power cord labeled SECONDARY should be connected to the power source Piping for the Liebert XDV is routed upward to the main return and supply pipes to and from the Lie bert XDP Liebert XDC Table 4 below may be used to determine the correct number of Liebert XDV modules Table 4 Determine EA number of Liebert XDV modules ME below is Liebert XDV10 Input Information Total heat load in the room kW seo Reserve capacity needed 10 to 25 of A is recommended C Required cooling capacity KW A B Existing planned Liebert Deluxe DS sensible capacity kW Required Liebert XD system cooling capacity kW C D Number of Liebert XDV10 modules required E 10 rounded up 60Hz E 8 rounded up 50Hz Number of Liebert XDP Liebert XDC modules required F 16 rounded E n ma ERE and 50Hz Room area square feet LL I LL Area served by each Liebert XDV10 H F Required Liebert XD system cooling density E x 1000 H OK if under 580 for 12 foot cold aisle spacing OK if under 435 for 16 foot cold aisle spacing Otherwise additional Liebert Deluxe or Liebert DS unit capacity is needed 17 3 8 Designing a Liebert XD Solu
28. Example A space is 5 000 sguare feet with an 18 raised floor and an 8 6 suspended ceiling Liebert XDOs and a Liebert XDP are to be placed in this raised floor area The volume of the space is 1 5 8 5 x 5 000 or 50 000 cubic feet The maximum amount of R 134a refrigerant that can be used in a single Liebert XDP Liebert XDC Liebert XD module system within this space is 16 50000 1000 16 50 800 lb Multiple Liebert XD systems can be installed in this space as long as the amount of R 134a refrigerant in any one system does not exceed 800 lb NOTE Local codes might permit exceeding the maximum refrigerant limit stated above if refrigerant detector and an exhaust system are installed As an alternative oxygen sensors may be installed to meet some local codes Liebert XD Piping System Design All piping must be ASTM American Society for Testing and Materials Type L copper pipe The typ ical maximum operating pressure in the system is 90 psi 620kPa Piping for the Liebert XD system is arranged in a manner similar to piping for a chilled water system Liebert XD cooling modules Liebert XDCF Liebert XDH Liebert XDO or Liebert XDV are connected in parallel between the main return and supply pipes going to and from the Liebert XDP Liebert XDC Figure 23 represents a typical configuration The guidelines provided for pipe size must be strictly followed Failure to size the main lines and connection lines adequately m
29. Im Precision Cooling For Business Critical Continuity Liebert Xtreme Density System Design Manual amp EMERSON 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 2 0 2 1 2 2 3 0 3 1 3 2 9 9 9 4 3 0 3 6 3 7 3 8 3 9 3 10 3 11 3 12 3 13 3 14 3 15 3 16 3 17 3 18 3 19 TABLE OF CONTENTS SYSTEM DESCRIPTION 4 sa sk 3 0 1d dee dox A Kek Dog nee ee tan ada ee dul or cte 1 European Union Fluorinated Greenhouse Gas Requirements 2 Direct and Indirect System Configurations KK KK KK KK E KK KK KK KK KK KK KK k 2 Liebert XDO Overhead Cooling Module k k kK KK KK KK KK KK KK KK KK KK KK kk 3 Liebert XD V Vertical Above Cabinet Cooling Module 4 Liebert XDH Horizontal Cooling Module KK KK KK KK ee 5 rs ap ea an te aes NI PE E Rear a oko en ee 6 Liebert XDA Air Flow Enhancer eee KK KK KK KK KK KK RR 7 Liebert XDP Putinpribs Unit ou duos anon PAK NA SALE e W KA A bk Oe NA 8 hor Liebert XDPM nimun EO d ated SA MA NS Ree AA ewes um 8 Liebert XDC Refrigerant Chiller ii 9 LO TieberbxXDC Minimum Load i acu us dka ka Akon ae rA SOR kel Mad OUR d HERA a 9 Licbert Api iaa aaa att Stee nan Sed Done 10 LOI Leber XD Meld PIDIBS za oed ORA eee A E b ar beb a Ge Be 10 STARTING A NEW EQUIPMENT COOLING PROJECT 4 kk kk kk kk kk a kk kk kk kk kk a kk kk
30. Main not to exceed 72 1829 mm Supply Return from Cooling to Cooling Module Module Refer to Table 5 for details Top of XD Cooling Module Rear of XD Cooling Module 45 Liebert XD Cooling Modules Liebert XDO Liebert XDV Liebert XDH and Liebert XDCF 4 8 Liebert XD Flex Pipe Kit 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 17 Table 17 Liebert XD Flex Pipe assemblies supply and return Liebert XD Liebert Liebert XDV CoolFrame XDO Liebert XDH One shot Removable One shot One shot One shot Removable Description Couplings Couplings Couplings Couplings Couplings Couplings Aft long 1 2m 0 186568G4 187867G4 186568G42 186566G4 2x 186566G4 2x 187865G4 Aft long 1 2m 90 186567G4 187866G4 186565G4 2x 186565G4 2x 187864G4 6ft long E 8m 0 186568G1 187867G1 186568G1 186566G1 2x 186566G1 2x 187865G1 Stina amoo a reo ase x aromer Dua rro se a The minimum bend radius is for the flexible portion the a XD Flex Pipe Because a section of pipe is at each end of the Liebert XD Flex Pipe the minimum bend radius can be larger 2 Top Module 3 Bottom Module 46 4 9 4 9 1 Liebert XD Cooling Modules Lie
31. Number of Bypass Flow Controllers Cumulative Model Size Liebert XDP Liebert XDC 32 to 63 64 to 95 24 Designing a Liebert XD Solution Figure 25 Bypass flow controller details dimensions ta Ten Figure 26 Bypass flow controller arrangement Return 718 Refrigerant Grade Main Full Port Ball Valve Field Supplied and Field Installed Flow Direction Supply Bypass Flow Controller Main Field Installed Figure 27 Bypass flow controller piping Ly Bypass Flow N o9 Controllers GQ Coolant Supply lt Filter Dryer Coolant Assembly Return 25 Designing a Liebert XD Solution 3 16 Determining Refrigerant Volume After the preliminary system design is completed Tables 7 through 15 may be used to determine the amount of refrigerant reguired Perform the calculation below for each Liebert XD system being configured NOTE All lengths in Tables 7 8 9 and 10 are actual pipe lengths not eguivalent pipe lengths 3 16 1 Liebert XDP Liebert XDC Pumped R 134a Circuit Volume NOTE System refrigerant volume calculations in Tables 7 8 9 and 10 are based on a fully loaded system Additional charge may be required for lightly loaded systems Table 7 System R 134a charge for a Liebert XDP Liebert XDC with an
32. OTE SHUTDOWN FOR SHUTDOWN OF CONTROL CIRCUIT REMOVE JUMPER BETWEEN TERMINALS 37 amp 38 AND REPLACE WITH N C CONTACT L Om N C CONTACTS BY OTHERS LIEBERT SITE MONITOR FOR DIGITAL COMMUNICATIONS WITH LIEBERT SITE MONITORS ONLY CONNECT 2 WIRE TWISTED PAIR TO 77 amp 78 ALSO SEE SITE MONITOR INSTALLATION MANUAL Di BE R or W I Specifications 5 0 SPECIFICATIONS Table 27 Liebert XDC160 specifications XDC160 Water XDC160 Air Glycol 189192G3 XDC160AA XDC160AM 189192G5 See Tables 28 29 Cooling Capacity tons kW 46 160 37 130 aw n performance data The Liebert XDC s minimum recommended operating load is 40 of system nominal capacity For example a Liebert XDC160 60Hz Minimum Load system s minimum load would be 64 kW Loading below this value can unfavorably affect system operation Consult factory for any loading below this recommendation Electrical Requirements Full Load Amps Minimum supply wire sizing ampacity 84A Maximum fuse or circuit breaker size 100A Dimensions inches mm 78 1981 34 516 879 Weight Ib kg Main unit only 1800 817 Main unit only as shipped Domestic 1945 882 Export 2093 949 Water Glycol cooled condenser stand 1075 488 Water Glycol cooled condenser stand as shipped 1150 521 Pipe Connections inches O D Cu 1 1 8 2 1 8 7 8 1 3 8 Liebert XD Coolant supply to XD cooling modules Liebert XD Coolant return
33. Pipe connector lines to and from any model Liebert XDO Liebert XDH Liebert XDV Liebert XDCF Refrigerant Charge Ib kg Metal Flex Pipe Connector Length Supply Line Diameter 1 2 0 3 Ib 0 14 4 ft Flex Pipe Liebert XDH Liebert XDO Liebert XDV Liebert XDCF supply 0 5 Ib 0 23 6 ft Flex Pipe Liebert XDH Liebert XDO Liebert XDV Liebert XDCF supply 0 7 Ib 0 32 8 ft Flex Pipe Liebert XDH Liebert XDO Liebert XDV Liebert XDCF supply 0 8 Ib 0 36 10 ft Flex Pipe Liebert XDH Liebert XDO Liebert XDV Liebert XDCF supply Return Line Diameter 5 8 LIII MEN Return Line TE 1 0 13 Ib 0 05 4 ft Flex Pipe Liebert XDH Liebert XDO Liebert XDV Liebert XDCF supply 0 2 Ib 0 09 6 ft Flex Pipe Liebert XDH Liebert XDO Liebert XDV Liebert XDCF supply 0 27 Ib 0 12 8 ft Flex Pipe Liebert XDH Liebert XDO Liebert XDV Liebert XDCF supply 0 33 Ib 0 15 10 ft Flex Pipe Liebert XDH Liebert XDO Liebert XDV Liebert XDCF supply 27 Designing a Liebert XD Solution 3 16 2 Calculating Refrigerant Charge Example 3 17 Using Tables 7 8 9 and 10 calculate the refrigerant charge of the individual sections of your Liebert XD system Add the calculated charge amounts to determine the amount of R 134a refrigerant required for one system combining a Liebert XDP with Liebert XD cooling modules Liebert XDCF Liebert XDH Liebert XDO and Liebert XDV The example below combines one Liebert XDP with 20 Liebert XDV8 cooli
34. Slope The main supply and return lines to and from the XDP XDC must be sloped downward toward the XDP XDC at a rate of 1 2 per 20 feet 25 51mm per 6m of pipe run Horizontal connector lines should also be sloped downward from the cooling modules toward the main supply and return lines ax Return Lines Or Liebert XDP Pumped Refrigerant Bypass Flow Controllers To ensure the XDP XDC pumps operate within the optimum range some installations reguire one or more bypass flow controller s These devices are added to the field piping and simulate the flow of additional cooling modules Each bypass flow controller should be installed with one shutoff valve to allow the controller to be dis abled when cooling modules are added to a Liebert XD system If bypass flow controllers are reguired they should be connected between the main supply and the main return lines of the field piping The connection points to the main supply and return lines should be in a convenient and accessible location between the Liebert XDP Liebert XDC and the first Liebert XD module in the circuit See Figures 26 and 25 for piping details of the bypass flow controller Refer to Table 6 to determine the number of bypass flow controllers needed based on the total nomi nal cooling capacity of the cooling modules in each Liebert XD system Table 6 Bypass flow controllers for Liebert XDC or Liebert XDP based systems Cooling Modules Required
35. aded rods into the internal mounting brackets BENE Features Liebert XDO Refrigerant Pre Charge Liebert XDO units with the pre charged refrigerant option will have one shot style fittings or removable couplings that contain pressurized refrigerant inside the Lie bert XDO The fittings ease connection to Liebert XD Piping and filling with refrigerant Field Installed Flexible Piping for use with prefabricated piping assemblies Field installed flexible piping kits are available in lengths of 4 6 8 and 10 feet 1 2 1 8 2 4 and 3 meters Con nection style to the unit end may be straight or 90 degrees Connection to the prefabricated piping assembly is with a threaded coupler For information on acquiring the correct kit for your instal lation refer to DPN000780 available by calling 1 800 LIEBERT and from your local Emerson Network Power representative External Mounting Brackets The Liebert XDO unit can be suspended by external mounting brackets that are attached to the front and rear panels of the unit The external mounting brack ets are optional ship loose items Condensate Detection The Liebert XDO unit is available with optional factory installed con densate detection The condensate detection has connection points dry contacts inside the unit Lighting Fixture Field installable lighting fixtures are available in two voltages 120V and 277V Light Fixture maybe attached to the bottom of the light panel to the left an
36. ay result in reduced cooling capacity The critical aspects of pipe sizing are related to refrigerant volume and pressure drop Each must be minimized 22 Designing a Liebert XD Solution Figure 23 Piping for Liebert XDP Liebert XDC used with Liebert XD cooling units All supply and gt return mains must be level with or above the top of all Liebert XDP or Liebert XDC units Liebert XD Cooling Modules SLOPE The main supply and return lines to and from the Liebert XDP Liebert XDC must be sloped downward toward the Liebert XDP Liebert XDC at a rate of 1 2 per 20 feet 25 4 51mm per 6m of pipe run Horizontal connector lines should also be sloped downward from the cooling modules toward the main supply and return lines The assembly and connection means used for piping in the Liebert XD system are similar to that of conventional refrigeration systems All piping should be installed with high temperature brazed joints Soft solder is not recommended The lines being brazed MUST be filled with flowing dry nitro gen during brazing to prevent excessive oxidation and scale formation inside the piping Insulate all piping lines to prevent condensation in applications where the dew point approaches the R 134a refrigerant temperature Please see Table 5 below for recommended pipe sizes and Figure 24 for piping segment locations Table 5 Supply return pipe sizes for refrigerant 2P 1 1 1 8 OD for lengths up to
37. bert XDO Liebert XDV Liebert XDH and Liebert XDCF Liebert XD Piping Dimensions and Features Piping Installation Method prefabricated headers The assembly and connection means used for piping in the Liebert XD system are similar to those used for conventional refrigeration systems All piping should be installed with high temperature brazed joints Soft solder is not recommended During brazing the lines must be filled with flowing dry nitrogen to prevent excessive oxidation and scale formation inside the piping Prevailing good refrigeration practices must be employed for piping supports leak testing dehydration and charging Failure to use good system practices may result in damage to the system Refer to the ASHRAE refrigeration handbook for general good practice refrigeration piping Follow all guidelines in 3 13 Liebert XD Piping System Design and 3 14 Liebert XD Piping Slope during installation Figure 46 Two port prefabricated piping for Liebert XD cooling modules 96 Nominal 2438mm 48 24 j 1219mm Ref Typ 610mm YP Supply e 9 9 16 Ref Typ 211mm i Return DPN000773 Page 1 Rev 3 Table 18 Two port prefabricated piping legend Branch Piping Standard Run 185797071 18580002 Sul Outside Diameter ODS 1 1 8 1 3 8 aa inen eam Height H 8 3 4 222 8 3 4 222 Length L 6 3 4 171 6 7 8 1
38. ble with optional flexible metal pipes with automatic shutoff with quick connect couplings at the ends for easy connection to the refrigerant distribution pipes The Liebert XDV may be set up in either of two ways The Liebert XDV can take hot air directly from an equipment enclosure cool the air and dis charge it downward into the cold aisle OR The Liebert XDV can draw hot air from the room cool the air and discharge the cool air down ward into the cold aisle Figure 5 Top mounted Liebert XDV modules with fixed piping in hot aisle cold aisle arrangement Hot aisles and cold aisles alternate taking advantage Cold Aisle of airflow properties to Hot Aisle increase cooling efficiency Cold Aisle Hot Aisle Cold Aisle Figure6 Top mounted Liebert XDV modules with flexible piping in hot aisle cold aisle arrangement Hot aisles and cold aisles alter taking advantage of airflow properties to increase cooling efficiency System Description 1 5 Liebert XDH Horizontal Cooling Module The Liebert XDH cooling module is designed to be placed within a row of server enclosures in a hot aisle cold aisle arrangement The Liebert XDH has dual refrigeration circuits and is available in a half rack width unit The Liebert XDH is intended for use with a Liebert XD pumped refrigerant cool ing system supplied by either a Liebert XDP or Liebert XDC The Liebert XDH 1s available with optional flexible me
39. by maintaining the refrigerant s temperature above the dew point The Liebert XDP employs two sets for redundancy of remote sensors to determine the temper ature and humidity in the air and instantly adjusts refrigerant supply temperature to compensate for changing conditions Liebert XDP Minimum Load The Liebert XDP s minimum recommended operating load is 20 of system nominal capacity For example a Liebert XDP160 60Hz system s minimum load would be 32 kW Loading below this value can unfavorably affect system operation Consult factory for any loading below this recommendation Figure 10 Liebert XDP pumping unit 1 9 1 9 1 System Description Liebert XDC Refrigerant Chiller The Liebert XDC is an indoor chiller that connects directly to the Liebert XD cooling modules and pro vides refrigerant circulation and control The Liebert XDC keeps the refrigerant temperature above the dew point and eliminates the need for a separate pumping unit in the direct system configuration The Liebert XDC employs two sets for redundancy of remote sensors to determine the temperature and humidity in the air and instantly adjusts refrigerant supply temperature to compensate for changing conditions Liebert XDC Minimum Load The Liebert XDC s minimum recommended operating load is 40 of system nominal capacity For example a Liebert XDC160 60Hz system s minimum load would be 64 kW Loading below this value can unfavorably affect system o
40. ccess considerations for all components possible rigging problems What heat load growth is anticipated over the next few years How are the cabinets going to be populated density of heat generation What monitoring requirements are desired or needed Who will be involved in this project stakeholders Is there existing computer room environmental cooling systems for humidity control and filtration Is the vapor barrier sufficient Is a chilled water system available What 1s the system s capacity What 1s the system s chilled water supply temperature c Does the chilled water supply temperature vary during the year or is the temperature constant How much power 1s available for cooling equipment What is the maximum distance between the Liebert XDP Liebert XDC unit and the farthest Liebert XD cooling module in the proposed layout If an air cooled Liebert XDC is used is an area available for the remote condenser 11 Starting a New Eguipment Cooling Project 2 2 Implementing a Hot Aisle Cold Aisle Design A best practice is to use rows of eguipment racks in an alternating arrangement of cold aisles and hot aisles This is best accomplished when the layout of the file server farm area is first being planned and it is exceedingly more difficult to accomplish when the computer room is already populated with operating hardware In the cold aisle the eguipment racks are arranged face to face so the cooling air discharged up
41. d right of the fan Each fixture consists of housing reflector ballast and diffuser Fixtures are compatible with standard 48 fluorescent tubes Lamps are not included 30 Liebert XD Cooling Modules Liebert XDO Liebert XDV Liebert XDH and Liebert XDCF Figure 28 Dimensional data Liebert XDO hard piped units LEFT SIDE OF XDO 24 118 gt 613mm BACK 72 1 4 1835mm RIGHT SIDE OF XDO FRONT OF XDO 22 1 2 572mm Do Not Lift Here m 14 616mm FRONT OF XDO Figure 29 Dimensional data Liebert XDO with pre charged option Left Side of XDO ee 613mm Do Not Lift Here Rear of XDO 712 114 1835mm Front of XDO 31 Liebert XD Cooling Modules Liebert XDO Liebert XDV Liebert XDH and Liebert XDCF Figure 30 Liebert XDO internal mounting location 26 3 4 18 1 2 118 22mm 679mm 470mm diameter mounting holes T REAR OF XDO TOP VIEW 24 Ca 4 25mm 718 22mm DPN000771 diameter mounting Pg 5 Rev 3 FRONT OF XDO holes 26 3 4 679mm 32 Liebert XD Cooling Modules Liebert XDO Liebert XDV Liebert XDH and Liebert XDCF Figure 31 Liebert XDO top and front electrical access points Mounting Hole TOP OF XDO O Knockouts for High Voltage Wiring Mounting Hole FRONT OF XDO The low voltage connection is present only if Knockouts the Liebert XDO is equippe
42. d with the optional for Low Voltage condensation detection system Wiring 4 2 Liebert XDV Standard Features Micro Channel Heat Exchanger The Liebert XDV unit includes one all aluminum micro channel heat exchanger Dual IEC Power Cords and Power Inlets The Liebert 115V 60Hz Liebert XDV unit is supplied with two detachable 10 ft 3m power cords that attach to two IEC power inlets in the rear of the unit Each power cord has a NEMA 5 15P IEC 320 C14 plug at the opposite end The Liebert 230V 60 50 Hz Liebert XDV unit is supplied with two non detachable 10 ft 8m power cords This feature allows the unit to be powered by two separate power sources Dual Air Inlets The Liebert XDV unit can be configured to allow air to enter from the rear grille or the bottom of the unit Dual Fans Airflow is provided by two fans on the front of the unit Dual switches Controls on the front of the unit permit the use of one fan or both fans Foundation Mounting There are two 1 4 20 cage nuts located on the underside of unit which allow direct attachment to any Liebert Foundation cabinet bolts provided with Liebert XDV unit Mounting Clips for non Liebert cabinets The Liebert XDV unit is supplied with mounting clips that allow attachment to a non Liebert cabinet Some drilling maybe required 33 Liebert XD Cooling Modules Liebert XDO Liebert XDV Liebert XDH and Liebert XDCF 4 2 1 Optional Features Liebert XDV Ref
43. dded Computing lm Outside Plant Racks amp Integrated Cabinets jm Connectivity E Embedded Power jm Power Switching amp Controls IM Services jm DC Power El Monitoring E Precision Cooling Em Surge Protection Business Critical Continuity Emerson Network Power and the Emerson Network Power logo are trademarks and service marks of Emerson Electric Co 2007 Emerson Electric Co
44. e Cover Front of Liebert XDP Figure 53 Liebert XDP electrical enclosure knockout locations for field wiring User Interface Liebert XD Module Condensate Wall Box Wiring Connections optional depends on features Temperature Humidity supplied with Liebert XD Module sensor Wiring Alternate Knockout for Temperature Humidity sensor Wiring Enclosure Cover Not Shown for Clarity 53 Figure 54 Liebert XDP 60Hz high voltage connections Customer Power Connection Ground Lug Disconnect Switch Pump Fuse Blocks Pump Contactors Customer Power Connection Ground Lug Disconnect Switch Pump Circuit Breakers Busbar Pump Contactors Ho JEN JUUU 3 qn El n hand mand y EZ Be Halo mel 9 LL 25 e po aga e O o Liebert XD Cooling Modules Liebert XDO Liebert XDV Liebert XDH and Liebert XDCF Transformer 2 Power Block Control Fuse Blocks Transformer 1 Transformer 2 Power Block Fuse Blocks Transformer 1 Liebert XD Cooling Modules Liebert XDO Liebert XDV Liebert XDH and Liebert XDCF 4 11 Liebert XDC Standard Features e Compressors Scroll with a suction gas cooled motor vibration isolators thermal overloads man ual reset high pressure switch and pump down low pressure switch e Refrigeration System Dual refrigeration circuits each including liquid line filter dryers refriger ant sight glass with moist
45. ebert XDP or Liebert XDC The numerals designating the model size of a Liebert XD unit may be used to configure a cooling sys tem For example a Liebert XDO20 has a model size of 20 and a Liebert XDP160 will accommodate cooling modules with a cumulative model size of 160 Similarly the minimum number of modules connected to a Liebert XDP or Liebert XDC may be calcu lated using the model size number for the Liebert XDP or Liebert XDC and the modules See Table 2 Table 2 Maximum and minimum modules supported by a Liebert XDP or Liebert XDC Cooling Liebert XDC Liebert XDP Teberxoor 16 6 36 4 Leber XDH20 8 4 8 2 Iiebertxpo20 8 4 8 Tan 20 8 2 4 Different types of Liebert XD cooling modules may be connected to the same Liebert XDP or Liebert XDC as long as the sum of their cooling capacity does not exceed the supporting Liebert XDP s or Lie bert XDC s model size number NOTE Q Connecting only Liebert XDCF modules to a Liebert XD unit is not recommended because the Liebert XDCF heat loading is dependent on server airflow and server load Consult factory to determine if sufficient heat load is available from the server for the Liebert XD system to operate effectively 14 Designing a Liebert XD Solution 3 6 Liebert XDO Placement 3 6 1 Determining Spacing of Liebert XDOs in an Aisle Liebert XDO units should be placed in rows directly above the cold aisles of a room for optimum cool ing
46. ebert recom mends install ing one Liebert XDO at the end of each aisle being cooled and to space the remainder between these end units in pairs This lay out will block the incursion of hot air around the side of the end cabinets Heat Generating Critical Equipment 16 3 7 Designing a Liebert XD Solution Liebert XDV Unit Placement Liebert XDV units should be placed on top of the cabinets that generate the greatest amount of heat If heat loads are dispersed evenly throughout the room the Liebert XDV modules may be spread out accordingly The Liebert XDV must be placed toward the front of the equipment cabinet so that its front bottom edge is flush with the front top edge of the cabinet Placing the unit farther back on the top of the unit will restrict airflow into the cold aisle Placing the unit farther to the front will decrease the amount of hot air drawn into the unit Figure 16 Positioning Liebert sa on top of cabinet Liebert XDV is suspended from ceiling structure the separation between the rack and the Liebert XDV should be held to less than 1 25mm If this is not possible an air blocker should be added to prevent unwanted airflow between the hot aisle and the cold aisle CORRECT INCORRE
47. ections Knockout for Optional Wiring IEC Primary and PRIMARY POWER Secondary SOURCE Power Inlet SECONDARY 1774241P1 Rear of XDV 37 Liebert XD Cooling Modules Liebert XDO Liebert XDV Liebert XDH and Liebert XDCF Figure 36 Suspending single Liebert XDV from Unistruts Bolt 3 8 16 nut and washer provided in kit Unistrut field supplied Bolt a bracket to each corner of the XDV Figure 37 Suspending single Liebert XDV from the roof structure To prevent bypass air from recirculating through the XDV without it passing through the cabinet this space between the hanging 3 8 16 all thread bolts a field supplied typical Hanging XDV unit XDV and the cabinet must be blocked 38 Liebert XD Cooling Modules Liebert XDO Liebert XDV Liebert XDH and Liebert XDCF Figure 38 Alternative mounting methods mounting multiple Liebert XDV units Attach hanger brackets to each corner of each XDV This arrangement permits mounting from either Unistruts or from overhead structure 10 32 x 5 8 length factory supplied 1 4 20 x 5 8 length typical 2 factory supplied 10 32 x 5 8 length typical 3 factory supplied Unistrut field supplied upper XDV 1 lower XDV 2 Bolt 3 8 16 nut and washer factory supplied 39 4 3 Liebert XD Cooling Modules Liebert XDO Liebert XDV Liebert XDH and Liebert XDCF Lieb
48. electrical components Cabinet Exterior Finish Black matte finish heat fused powder coat Condensate sensing factory installed Dry contact outgoing signal Pre Charged Refrigerant R 134a Refrigerant one shot connections CSA 60Hz CSA 50Hz CE 50Hz Agency Approvals Revision level of unit Specifications Table 38 Liebert XDV8 dimensions domestic and export Shipping Dimensions Unit Dimensions Unpacked Length x Width x Height Length x Width x Height inches mm inches mm o J Eet Unit Only All Models 48 x 40 x 24 1 4 45 4 5 x 30 3 4 x 33 39 1 2 x 22 7 8 x 14 1219 x 1016 x 616 1163 x 781 x 839mm 1003 x 581 x 356 Table 39 Liebert XDV10 dimensions domestic and export Shipping Dimensions Unit Dimensions Unpacked Length x Width x Height Length x Width x Height inches mm inches mm Domestic Export Unit Only All Models 48 x 40 x 24 1 4 45 4 5 x 30 3 4 x 33 39 1 2 x 22 7 8 x 14 1219 x 1016 x 616 1163 x 781 x 839mm 1003 x 581 x 356 Table 40 Liebert XDCF specifications XD CF 10 TP 0 XD CF 10 TPE 0 XD CF Top EXP XD CF 10 BPE 0 XD CF BTM EXP XD CF 10 BP 0 Cooling capacity maximum 10kWH 2 8 Tons 34 000 BTUh a eee Dimensions inches mm Weight Ib kg Pipe connections III Pipe connections Refrigerant Supply F from Liebert XDP Liebert XDC 1 2 threaded one shot coupling on the unit Refrigerant Return to Liebert XDP Liebert XDC 5 8 threaded one shot couplin
49. ert XDC unit Liebert XDV Liebert XDO modules should be placed as close to the same level as possible The differences in elevation between the highest and low est Liebert XDV or Liebert XDO module in a system should be no more than 6 feet 2m 19 Designing a Liebert XD Solution 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 Downflow Downflow Cooling Cooling Unit Unit XDVs Mounted ORT Equipment Racks Pertorated Circuit 1 Raised on Eguipment Racks without XDVs t Floor Tiles Figure 20 Liebert XDV units mounted on racks emitting 5kW of heat top view Downflow Downflow Cooling Cooling Unit Unit XDVs Mounted oe T on Equipment Racks LI Circuit 1 Circuit 2 Equi Rack Perforated Interlaced piping arrangement 1 DU dens Raised for enhanced protection Maa 2 Floor Tiles 20 Designing a Liebert XD Solution Figure 21 Liebert XDV units mounted on racks emitting 8kW of heat top view IE IE ID ID IO Downflow Downflow Cooling Cooling Unit Unit XDVs Mounted Circuit 1 Circuit 2 Circuit 3 on Eguipment Racks Perforated Raised Floor Tiles Interlaced piping arrangement for enhanced protection Figure 22 Liebert XDV units mounted on racks emitting 16kW of heat top view
50. ert XDCF Standard Features The Liebert XDCF is a self contained module designed to cool Egenera s BladeFrame EX cabinets and eguipment without exhausting heat into the room Upper and lower modules may be mounted on the rear of an Egenera BladeFrame Liebert XDCF modules use R 134a refrigerant When attached to a fully loaded BladeFrame EX rack each Liebert XDCF module has a nominal cooling capacity of 10kW 2 8 tons 34 000 BTUh Performance is based on Entering fluid temperature 55 F 12 8 C and Dew point 50 F 10 C or lower Liebert XDCF modules consist of a sheet metal frame coil and filter dryer It has no moving parts and needs no electricity The Liebert XDCF system see Figure 39 below consists of Liebert XDCF modules upper and lower models are available Flex pipe connects Liebert XDCF units to supply and return piping Liebert XD Piping delivers pumped R 134a refrigerant through flexible piping Liebert XDP or Liebert XDC supplies R 134a refrigerant to Liebert XDCF modules see Liebert XDP or Liebert XDC user manual for required chiller or drycooler Figure 39 Liebert XDCF hydraulic diagram Or Liebert XDP Supply Lines 2 per unit oling Module j EMCooling xe Return Lines Module 2 per unit oling Module MET Cooling Module Pumped Refrigerant Or Liebert XDP Pumped Refrigeran
51. es to the atmo sphere The F Gas Regulation reguires operators to use use all measures that are technically feasible and do not entail disproportionate cost to prevent leakage of these gases to test for leakage regularly and to recover f gas before disposing of eguipment as well as during service and maintenance Refer to the full regulation for additional details Direct and Indirect System Configurations Liebert XD systems are available in Direct and Indirect configurations differentiated essentially by the method of heat rejection see Figures 2 and 3 The indirect system uses a pumping unit con nected to a building chilled water system to control and circulate the refrigerant In the direct system the pumping functions are incorporated in the chiller which must be connected to a separate heat rejection system Figure 2 Direct system configuration hydraulic system diagram Direct Liebert XD System Configuration Pumping and control are performed by chiller Liebert Heat Rejection Air Cooled or Water Glycol P XDC XD Cooling Module Pumped Refrigerant Supply Piping Cooled TT xp Return Piping Cooling Module Lie XD Pumped Cooling Module Se al Liebert XDCF Lie XD Liebert XDH Liebert Cooling Module XDO or Liebert XDV Figure 3 Indirect system configuration hydraulic system diagram
52. ew 20 Figure 21 Liebert XDV units mounted on racks emitting 8kW of heat top VieWw 21 Figure 22 Liebert XDV units mounted on racks emitting 16kW of heat top view 21 Figure 23 Piping for Liebert XDP Liebert XDC used with Liebert XD cooling units 23 Figure 24 Figure 25 Figure 26 Figure 27 Figure 28 Figure 29 Figure 30 Figure 31 Figure 32 Figure 33 Figure 34 Figure 35 Figure 36 Figure 37 Figure 38 Figure 39 Figure 40 Figure 41 Figure 42 Figure 43 Figure 44 Figure 45 Figure 46 Figure 47 Figure 48 Figure 49 Figure 50 Figure 51 Figure 52 Figure 53 Figure 54 Figure 55 Figure 56 Figure 57 Figure 58 Figure 59 Figure 60 Figure 61 Figure 62 Figure 63 Figure 64 Figure 65 Figure 66 Figure 67 Figure 68 Hydraule TAS PATE e EA tette A A e lana en nk dini an A 24 Bypass flow controller details dimensions eee 25 Bypass flow controller arrangement lee es 25 Bypass flow controller plpMng RR RR RR RR RR Au A 25 Dimensional data Liebert XDO hard piped units KI KK KK KK KK KK 31 Dimensional data Liebert XDO with pre charged option 31 Liebert XDO internal mounting location kK KK KK KK KK KK KK KK es 32 Liebert XDO top and front electrical access points 33 Liebert ADV dimensions vistosas ae RE RU Dean w
53. f Liebert XD cooling units connected maximum minimum LIC T SNr Liebert XDO16 REV O N Liebert XDO20 8 2 Cabinet Exterior Finish Black matte finish heat fused powder coat Operating Ambient Temperature Maximum F C 86 30 CSA 60Hz CE 50Hz Agency Approvals 67 Specifications Table 32 Liebert XDO16 specifications XDO16BK 0 XDO16BSP 0 XDO16BSP 0 XDO16DK 0 XDO16BSPEO XDO16BSPEO XDO16BK EO XDO16DSP 0 XDO16DSP 0 XDO16DK EO XDO16DSPEO XDO16DSPEO Models XDO16BKP 0 XDO16BS 0 XDO16BS 0 XDO16BKPEO XDO16DS 0 XDO16DS 0 XDO16DKP 0 XDO16BS E0 XDO16BS E0 XDO16DKPEO XDO16DS E0 XDO16DS E0 60Hz 60Hz 50Hz Cooling Capacity Nominal 92 F 33 C Nominal 92 F 33 C EAT 17 2kW 5 Tons EAT 17 1kW 4 9Tons Maximum 90 F 32 C EAT 17 2 kW 5 Tons Maximum 93 F 34 C EAT 17 2 kW 5 Tons Capacity rating is 55 F 13 C Entering Fluid Temperature and 50 F or lower dew point Electrical Requirements 1ph 50 Hz 230V Input Voltage 1ph 60Hz 120V 1ph 50 Hz 220 240V Input Power Connections Terminal blocks provided internal to unit Full Load Amps 2 A 120V 1 50 230V Wire Size Amps 1 19 230V 1 28 al Overcurrent Protection Device Power consumption nominal watts O O C _ W Oj A N al 250 N al O Dimensions inches mm Length 712 114 1835 Width 24 1 8 613 Height 22 1 2 572 not including electrical
54. from XD cooling modules Liquid line DX circuit Hot gas line DX circuit Heat Rejection Equipment 95 F ambient air cooled condenser N A Number of XD Cooling Units Connected Maximum Minimum Liebert XDCF10 Liebert XDH20 Liebert XDH32 Liebert XDO16 Liebert XDO20 Liebert XDV8 20 Liebert XDV10 16 7 Cabinet Exterior Finish Black matte finish heat fused powder coat Maximum Ambient Operating Temperature F C 86 30 Agency Approvals 64 O O 00 al QO mm ea oo N Specifications Table 28 Floor stand specifications water cooled Liebert XDC Pressure Drop psi Ft Water 2 7 6 2 4 9 11 3 5 4 12 5 20 7 47 8 27 3 63 1 Heat Rejection Equipment Piping Connections Water glycol supply and return lines 2 1 8 2 1 8 2 1 8 2 1 8 2 1 8 Table 29 Floor stand specifications Liebert XDC with 40 propylene glycol Heat Rejection Equipment Drycooler DNT 940A 2 x DNT 880A os Piping Connections Water glycol supply and return lines 2 5 8 When multiple drycoolers are used ensure flow is balanced 65 Specifications Table 30 Floor stand specifications Liebert XDC with 40 ethylene glycol XDC160 Glycol Floor Stand 60Hz 40 EG Heat Rejection Eguipment Piping Connections Water glycol supply and return lines 2 5 8 When multiple drycoolers are used ensure flow is balanced 66 Specifications Table 31 L
55. g for Liebert XD cooling modules 50 Liebert XDP dimensions a2 RAGA od bah av dl ea b AD WE Ce dot dee bala aly BR 51 Liebert XDP piping access points and external features 52 Front view of Liebert XDP and electrical enclosure 53 Liebert XDP electrical enclosure knockout locations for field wiring 53 Liebert XDP 60Hz high voltage connections 54 Liebert XDP 50Hz high voltage connections 54 Liebert XDC dimensional data 55 Liebert XDC piping locations 9 ids Ceo KK La kK kk kK kK kk kk k De 56 Positioning a water glycol Liebert XDC for placement on a floor stand 57 Piping locations floor stand and valve assembly 58 Front view of Liebert XDC and electrical enclosures 59 Liebert XDC electrical enclosure knockout locations for field wiring 59 Liebert XDC high voltage connections primary disconnect switch 60Hz models 60 Liebert XDC high voltage connections primary disconnect switch 50Hz models 60 Liebert XDC high voltage connections secondary disconnect switch 60Hz models 61 Liebert XDC high voltage connections secondary disconnect switch 50Hz models 61 Liebert XDC heat rejection electrical connection points
56. g on the unit Agency Safety CSA CE 73 Table 41 Liebert XDH specifications XDH20DKP 0 XDH20DK 0 XDH20BKP 0 XDH20BK 0 XDH20DKPEO XDH20DK E0 XDH20BKPEO XDH20BK E0 60Hz XDH32DKP 0 XDH32DK 0 XDH32BKP 0 XDH32BK 0 XDH32DKPEO XDH32DK E0 XDH32BKPEO XDH32BK E0 60Hz XDH20DSP 0 XDH20DS 0 XDH20BSP 0 XDH20BS 0 XDH20DSPEO XDH20DS E0 XDH20BSPEO XDH20BS E0 50 60Hz Specifications XDH32DSP 0 XDH32DS 0 XDH32BSP 0 XDH32BS 0 XDH32DSPEO XDH32DS E0 XDH32BSPEO XDH32BS E0 50 60Hz XDH20 60Hz Nominal 98 F 37 C EAT 22kW 6 3 Tons XDH20 60Hz Maximum 105 F 40 C EAT 25 5kW 7 3 Tons XDH20 50Hz Nominal 98 F 37 C EAT 19kW 5 4 Tons XDH20 50Hz Maximum 116 F 47 C EAT 25 5kW 7 3 Tons XDH32 60Hz Nominal 98 F 37 C EAT 30kW 8 5 Tons XDH32 60Hz Maximum 105 F 40 C EAT 34 5kW 7 3 Tons XDH32 50Hz Nominal 98 F 37 C EAT 27kW 7 7 Tons XDH32 50Hz Maximum 108 F 42 C EAT 34 5kW 7 3 Tons Capacity rating is 55 F 13 C Entering Fluid Temperature and 50 F 10 C or lower dew point Cooling Capacity Conditions Electrical Requirements 220 240V 1ph 50Hz CE incu power connecions Two IEC320 C14 power inlets and two IEC Two IEC320 C14 power inlets and two IEC p power cords with NEMA 5 15P connectors power cords with IEC320 C14 receptacles Power Consumption Dimensions inches mm Height Unit Only 78 1981 Height Includ
57. hee kk k k OY 34 Liebert XDV dimensions with one shot connection 35 Liebert XDV electrical connections for CE approved units 36 Liebert XDV electrical connections for CSA approved units 37 Suspending single Liebert XDV from Unistruts 0 0 0 0 00 KK E KK KK KK KK ee eee 38 Suspending single Liebert XDV from the roof structure 38 Alternative mounting methods mounting multiple Liebert XDV units 39 Liebert XDCE hydraulie diagram 2r eee NB PQ QIR WIN ARA SR ELAR ORR RS 40 Overall O1iMenSIONS ita aoa atenta soon Se eae oh o o Se eee es 41 Liebert XDCF unit mounting locations ee RR IR Res 42 Liebert XDCF supply and return piping access pointS 43 Liebert XD dim llS lOnS lt A 4 ETT S REPE der Dam E WINA ON h uS RUIT md dd deus 44 Supply and return piping Connections 44 Hard pipe connection diagram for Liebert XDV Liebert XDO and Liebert XDH COO MO OC Xx a ana ad ii BOG ae en cua 45 Two port prefabricated piping for Liebert XD cooling modules 47 Four port prefabricated piping for Liebert XD cooling modules 48 Five port prefabricated piping for Liebert XD cooling modules 49 Ten port prefabricated pipin
58. his energy efficiency by employing the heat absorption properties of a liquid pumped refrigerant through a phase change Refrigerant 1s pumped as a liquid becomes a gas within the heat exchangers of the cooling modules either the Liebert XDCF Liebert XDH Lie bert XDO or Liebert XDV and then is returned to either the Liebert XDP or Liebert XDC where it condenses to a liquid This eliminates the compression cycle required by traditional systems And if a leak were to occur the environmentally friendly refrigerant would escape as a gas causing no harm to critical equipment see Figure 1 Because no compressor is used in the circuit no oil is needed Figure1 Pressure enthalpy diagram refrigerant Liquid Liquid Vapor Mix aper greece 40coococoocococoo ococooooo Sam H XD CoolFrame XDH yi 7 XDO XDV apor Pb Compression a it E Cycle Fox Pumped j peu Two Phase MD o ea o am 0 ee 0 a o a o am o am o am o am 0 SD o Cycle Enthalpy 1 1 1 2 System Description European Union Fluorinated Greenhouse Gas Requirements Stationary air conditioning refrigeration heat pump eguipments and stationary fire protection sys tems in the European Community market and operating with fluorinated greenhouse gases f gas such as R407C R134a R410A must comply with the F Gas Regulation EC No 842 2006 F gas The regulation prohibits among other actions venting fluorinated greenhouse gas
59. idth Height 84 30 83 30 7214 24 118 25 172 Aden 2134 z62 20162 2108 762 300762 1835 613 648 Includes piping connections Table 35 Liebert XDO16 dimensions domestic and export Ban Shipping Dimensions inches mm Unit Dimension Export Unpacked inches mm Length width Height Length Width Height Length Width Height sde 84 30 30 83 30 30 72 14 24 118 25 1 2 2134 762 762 2108 762 762 1835 613 648 Includes piping connections 70 Specifications Table 36 Liebert XDV8 specifications XDV8BK XDV8DK XDV8BKP XDV8DKP XDV8BT XDV8DT XDV8BS XDV8DS XDV8BK E XDV8DK E XDV8BTP XDV8DTP XDV8BSP XDV8DSP XDV8BKPE XDV8BT E XDV8DT E XDV8BS E XDV8DS E XDV8DKPE XDV8BTPE XDV8DTPE XDV8BSPE XDV8DSPE XDV8BKR XDV8BKRE XDV8BTR XDV8BTRE XDV8BSR XDV8BSRE XDV8DKR XDV8DKRE XDV8DTR XDV8DTRE XDV8DSR XDV8DSRE cd Nominal 98 F 37 C EAT 8 8kW 2 5 Tons Nominal 98 F 37 C EAT 8kW 2 3 Tons ARA Maximum 95 F 35 C EAT 8 8kW 2 5 Tons Maximum 103 F 39 C EAT 8 8kW 2 5Tons Capacity rating is 55 F 13 C Entering Fluid Temperature and 50 F 10 C or lower dew point rear air inlet Electrical Requirements Power consumption 180 190 190 190 nominal watts Dimensions inches mm Height unit only 14 355 not including pipe connections c
60. iebert XDH and Liebert XDCF Figure 33 Liebert XDV dimensions with one shot connection TOP VIEW OF LIEBERT XDV N 3 o SCHRADER VALVE O SUPPLY IN gt O RETURN OUT Supply Connection Vr in A Detail g Area A Pd P di Connection P a Detail A 35 Liebert XD Cooling Modules Liebert XDO Liebert XDV Liebert XDH and Liebert XDCF Figure 34 Liebert XDV electrical connections for CE approved units 60Hz MODELS ONLY CONTACTS WITH 75V A MINIMUM 50Hz MODELS ONLY FIELD WIRING CONNECTIONS AT TERMINAL STRIP FOR SAFETY EXTRA LOW VOLTAGE CIRCUITS ONLY USE SWITCH CONTACTS RATED 75V A MINIMUM 24 VOLTS AC MAXIMUM Condensate Detection Dry Contacts Low Voltage Connections Knockout for Optional p Wiring 4 PRIMARY POWER Primary and SOURCE Secondary SECONDARY Power Cords 1774241P1 4 A 36 Liebert XD Cooling Modules Liebert XDO Liebert XDV Liebert XDH and Liebert XDCF Figure 35 Liebert XDV electrical connections for CSA approved units 60Hz MODELS ONLY FIELD WIRING CONNECTIONS AT TERMINAL STRIP TO BEN E C CLASS 2 USE SWITCH CONTACTS WITH 75V A MINIMUM 50Hz MODELS ONLY FIELD WIRING CONNECTIONS AT TERMINAL STRIP LOW VOLTAGE CIRCUITS CONTACTS RATED Rear of XDV Right Side of XDV Condensate Detection Dry Contacts Low Voltage Conn
61. iebert XDP 160 specifications 160 kW 46 Tons 60Hz 140 kW 40 Tons 50Hz Cooling Capacity Nominal Each capacity is based on 45 F 7 C entering water temperature and 140gpm 530lpm water flow rate Capacity is reduced when glycol mixtures are used in place of 100 water The Liebert XDP s minimum recommended operating load is 20 of system nominal capacity For example a Liebert XDP160 60Hz system s minimum load would be 32 kW Loading below this value can unfavorably affect system operation Consult factory for any loading below this recommendation Electrical Requirements 208V 3ph 60Hz 460V 3 ph60Hz 380 415 V 3ph 50Hz Dimensions inches mm Height Unit only 78 1981 Height As shipped 83 2108 Width 38 965 Depth 34 864 Minimum Load Weight Ib kg Unit only 821 372 Shipping weight Domestic 990 449 Export 1067 484 Installed with refrigerant and chilled water 1038 471 Pipe Connections Refrigerant supply to Liebert XD 1 1 8 OD Cu cooling module Refrigerant return from Liebert XD 2 1 8 OD Cu cooling module Chilled water supply and return 2 5 8 OD Cu Control valve 2 way 2 nominal 35 PSIG close off pressure rating 150 PSIG maximum allowable pressure nn 20 psig 137kPa 1 38bar with 140 gpm 530lpm water flow rate Pressure Drop Chilled Water Side control valve fully open Temperature Rise Chilled Water Side at rated flow F C kk O9 Number o
62. illing with refrigerant Field Installed Flexible Piping for use with prefabricated piping assemblies Field installed flexible piping kits are available in lengths of 4 6 8 and 10 feet 1 2 1 8 2 4 and 3 meters Con nection style to the unit end may be straight or 90 degrees Connection to the prefabricated piping assembly is with a threaded coupler For information on acquiring the correct kit for your instal lation refer to DPN000780 available by calling 1 800 LIEBERT and from your local Emerson Network Power representative 43 Liebert XD Cooling Modules Liebert XDO Liebert XDV Liebert XDH and Liebert XDCF Figure 43 Liebert XDH dimensions 12 305mm WARNING co 80 2032mm 78 1981mm 3 Al iz EB n EE FRONT EH FRONT Figure 44 Supply and return piping connections Top of Liebert XDH 6 1 16 Detail A 154mm 3 11 16 94mm 1 3 8 35mm EN 2 1 16 52mm Het 4 1 8 1 2 Supply Upper Refrigeration Circuit U 7 105mm Y 127mm 718 Return Upper 3 Refrigeration Circuit S Ld ES Rear m Rear of XDH of Liebert 7 8 Return Lower pi a XDH Refrigeration Circuit pe SUPP dena Refrigeration Circuit PA Detail A DPN001180 HA Page 2 Rev 0 44 Liebert XD Cooling Modules Liebert XDO Liebe
63. in new installations or renovations where the unit can be installed on the ceiling or in the overhead space The Liebert XDV is designed to permit mounting directly on top of an equipment cabinet for ease of installation in existing facilities The Liebert XDV may also be suspended from overhead using suit able mounting methods The Liebert XDCF is a self contained module designed to cool Egenera s BladeFrame EX cabinets and equipment without exhausting heat into the room Two modules may be mounted on the rear of a BladeFrame cabinet The Liebert XDH is installed among equipment cabinets and is particularly suited to new installa tions Airflow Requirements for Liebert XD Solutions Computer manufacturers typically specify a temperature change from intake to exhaust delta T of 18 27 F 10 15 C for the air passing through a rack enclosure The heat generated by electronic equipment combined with the tight quarters of equipment cabinets mean that high volumes of air must move through an enclosure to meet this cooling specification A Liebert XD system can supply the cooled air to satisfy this cooling demand but airflow through the enclosure must be adequate to extract the heat from the cabinet Liebert s XDA units can boost the airflow to levels necessary to protect critical equipment The Liebert XDA is particularly suited to the hot aisle cold aisle arrangement Configuring a Liebert XD System Number of Modules Supported by a Li
64. ing Pipe Connections 80 2032 Width 12 305 Depth 42 1067 Weight Ib kg Unit Only 233 106 246 112 233 106 246 112 Shipping Weight 317 144 330 150 317 144 330 150 Number of Fans Airflow Nominal ft min m3 hr 2500 4248 4000 6796 2428 4125 3850 6541 Audiblo else 81 dBa 86 dBa 81 dBa 86 dBa Sound Power Pipe Connections Refrigerant Supply Refrigerant Return 7 8 OD Cu optional 7 8 threaded one shot coupling on the unit Serviceable Parts Fans and electrical components Cabinet Exterior Finish Black matte finish heat fused powder coat Condensate Sensing factory installed Dry contact outgoing signal 24VAC 1A maximum Agency Approvals CSA 60Hz 1 2 OD Cu optional 1 2 threaded one shot coupling on the unit One shot style flex pipe connections Uni directional or bi directional air diffusers CE 50Hz CSA 50 60Hz 74 Specifications Notes 75 76 Specifications Ensuring The High Availability Of Mission Critical Data And Applications Emerson Network Power the global leader in enabling business critical Technical Support Service continuity ensures network resiliency and adaptability through Web Site a family of technologies including Liebert power and cooling www liebert com Monitoring technologies that protect and support business critical systems Liebert solutions employ an adaptive architecture that responds 800 222 5877 monitoring emersonnetwork
65. m without taking up expensive floor space for cooling components The Liebert XD family includes Liebert XDC Liebert XD Chiller cools and pumps refrigerant to cooling modules Liebert XDP Liebert XD Pumping unit pumps refrigerant to cooling modules Liebert XDA mounts on the rear of the equipment cabinet Liebert XDCF mounts on the rear of an Egenera BladeFrame EX cabinet Liebert XDH Liebert XD Horizontal row cooler integrated into hot aisle cool aisle room layout Liebert XDO Liebert XD Overhead unit suspended from the ceiling structure Liebert XDV Liebert XD Vertical unit mounted on top of the equipment cabinet or suspended from the ceiling structure Systems combining Liebert XDO and Liebert XDV units can remove more than 20 kW 5 7 tons of heat per cabinet A set of Liebert XDCF modules also can remove 20kW 5 7 tons of heat from an Egenera BladeFrame EX cabinet A system with Liebert XDH units can remove more than 30kW 8 5tons of heat per rack For minimum Liebert XDP and Liebert XDC load recommendations see 1 8 1 Liebert XDP Mini mum Load 1 9 1 Liebert XDC Minimum Load and Tables 27 and 31 The Liebert XD system also performs at high efficiency rates Properly spaced cooling modules and the Liebert XD system s fluid phase change technology combine to reduce a Liebert XD system s energy consumption to at least 27 percent less than a traditional cooling system The Liebert XD family maintains t
66. ng connection sizes Air Cooled Models Outlet Connection Sizes OD Cu inches 56 Liebert XD Cooling Modules Liebert XDO Liebert XDV Liebert XDH and Liebert XDCF Figure 58 Positioning a water glycol Liebert XDC for placement on a floor stand A Return from Cooling Units B Supply to Cooling Units 6 153mm 23 584mm C Hot Gas Refrigerant Lines D Liguid Refrigerant Lines Customer Water E Threaded a Supply Female Connections 7 Customer 7 Water RIS Return F Cup Fitting ER SS EA Capillary Lines are 48 1220mm gt 7 Limit Valve Distance from Condensers 5S Customer Provided Piping DPNO01419 Pg 01 Rev 01 Table 26 Liebert XDC Water Glycol Piping Connection Sizes Piping Outlet Connection Sizes OD Cu inches _ Model Soe A 8 e ole Threaded Female Conection 2 1 8 for 1 WRV 2 5 8 for 1 1 4 WRV 57 Liebert XD Cooling Modules Liebert XDO Liebert XDV Liebert XDH and Liebert XDCF Figure 59 Piping locations floor stand and valve assembly 24 Nominal 609mm TOP VIEW OF FLOOR STAND Shaded areas indicate a recommended E clearance of 36 915mm for component Hot Gas 1 Liquid 1 access and water glycol piping Hot Gas 2 Outlet mE 838mm N rl al m di ld gt ee Cd EEE je OOO AA fa AN A i A NU 20 1 4 MS AIN 514mm KN y EEN z IIR JI qe ma z Y Ve x AV eus am lt LE VU eve
67. ng modules Table 11 Calculating refrigerant charge example Number of Units Components or Piping Length feet Pounds Per Component Total Ib a a a 2 Liebert XDV 1 2 supply Flex DD Pipes Liebert XDV 5 8 return Flex Pipes Total 293 Table 12 Worksheet to calculate refrigerant charge Number of Units Components or Piping Length Pounds Per Component Total Verify that the refrigerant volume of the Liebert XD system with the longest piping length 1s within the allowable limit If the allowable limit is exceeded the Liebert XDP Liebert XDC should be moved closer to the cooling modules refer to 3 12 Liebert XD Refrigerant for limits and related details Another way to shorten the total pipe length is to reroute the pipe runs Liebert XDC DX R 407c Circuit Volume Air Cooled Units CAUTION A Risk of improper lubrication May cause equipment damage Liebert XDCs with refrigerant R 407c charges over 35 lb 15 9kg require additional oil Refer to the Liebert XDC user manual SL 16671 available at Liebert s Web site www liebert com Weigh in the calculated charge based on Tables 13 14 and 15 Table 13 Indoor unit refrigerant charge R 407c Model 60 50 Hz Charge Circuit Ib kg Liebert XDC160 17 5 8 0 28 3 18 3 19 3 20 Designing a Liebert XD Solution Table 14 Outdoor condenser charge R 407c Charge Circuit Ib kg CDL830 200 90 8 CSL616 254 115 2 CSL415 200 90 8
68. onnections refrigerant 833 1415 with rear inlet Bottom inlet airflow may be less depending on restrictions inside cabinet Audible noise 78 dBa sound power 73 dBa sound power Pipe Connections without Liebert Flex Pipe Refrigerant Supply from Liebert 1 2 OD Cu optional 1 2 threaded coupler flex piping XDP Liebert XDC Airflow Nominal 1000 1699 with rear inlet Bottom inlet airflow may ft min m3 hr be less depending on restrictions inside cabinet Refrigerant Return to Liebert XDP Liebert 5 8 OD Cu optional 3 4 threaded coupler flex piping XDC Serviceable Parts Fans and electrical components Cabinet Exterior Black matte finish heat fused powder coat Finish Condensate sensing Dry contact outgoing signal factory installed Pre Charged R 134a Refrigerant one shot connections Agency Approvals CSA 60Hz CSA 50Hz CE 50Hz Revision level of unit 71 Specifications Table 37 Liebert XDV10 specifications XDV10BK XDV10DK XDV10BKP XDV10DKP XDV10BK E XDV10DK E XDV10BT XDV10DT XDV10BS XDV10DS XDV10BTP XDV10DTP XDV10BSP XDV10DSP XDV10BT E XDV10DT E XDV10BS E XDV10DS E XDV10BKPE XDV10DKPE XDV10BKR XDV10BKRE XDV10DKR XDV10DKRE XDV10BTPE XDV10DTPE XDV10BSPE XDV10DSPE XDV10BTR XDV1OBTRE XDV10BSR XDV10BSRE XDV10DTR XDV10DTRE XDV10DSR XDV10DSRE mm Nominal 98 F 37 C EAT 10kW 2 8 Tons Nominal
69. ontain pressurized R 134a refrig erant inside the Liebert XDCF A WARNING Risk of explosive discharge Can cause death injury and equipment damage Do not disconnect one shot connections after they have been connected Disconnection will release pressurized R 134a refrigerant from the Liebert XDCF The Liebert XDCF has supply and return piping access on the top of each module 42 Liebert XD Cooling Modules Liebert XDO Liebert XDV Liebert XDH and Liebert XDCF 4 6 1 Header System The Liebert XDCF module system reguires use of the Liebert XD prefabricated piping assembly The prefabricated piping is compatible with the flex pipe reguired to attach to the Liebert XDCF modules Figure 42 Liebert XDCF supply and return piping access points Return Pipe 5 8 diameter 7 5 16 186mm 3 9 16 90mm Pipe locations and dimensions are the same for upper and lower units 1 7 16 Supply Pipe 37mm 1 2 diameter 4 7 Liebert XDH Standard Features Dual Refrigeration Circuits Each Liebert XDH has two refrigeration circuits one in the upper half of the unit and one in the lower half Dual refrigeration circuits permit altering cooling levels in response to server room conditions The dual refrigeration circuits permits interlaced connection of two refrigerant sources to enhance system reliability Dual Power Cords and Power Inlets The Liebert XDH is supplied with two 2 detachable power cords 10 ft
70. ped connector lines to and from any model Liebert XDH Liebert XDO Liebert XDV Liebert XDCF R 134a refrigerant charge for Flex Pipe connector lines to and from any model Liebert XDO Liebert XDH Liebert XDV Liebert XDCF Calculating refrigerant charge example KK KK KK s Worksheet to calculate refrigerant charge Indoor unit refrigerant charge R 407c Air cooled systems liguid line charge R 407c refrigerant per 100 ft 30 m of Type L CODDOP WUC ia uat artis dre Dres ea Naro doa rre irc De nan ah ge da eed ee zMe Indoor water glycol cooled module R 407c refrigerant charge Outdoor condenser charge R 407c 0 ee KK s Liebert XD Flex Pipe assemblies supply and return Two port prefabricated piping legend KK KK eh Four port prefabricated piping legend KK KK KK kk kk kk Five port prefabricated piping legend iii Ten port prefabricated piping legend Liebert XDF dimensions uon A ex ub Lem CR pe IR A A td ea un ARE E Unit piping outlet connection sizes inches OD Cu Liebert XD Chiller dimensions Welght KK KK KK KK KK KK KK KK Liebert XD Chiller piping connection sizes KK KK KK KK KK KK KK KK KK I Liebert XDC Water Glycol Piping Connection SizZes ses Liebert DC
71. peration Consult factory for any loading below this recommendation Figure 11 Liebert XD Chiller unit System Description 1 10 Liebert XD Piping Liebert XD Piping is prefabricated distribution piping that is installed in anticipation of a growing sys tem Liebert XD cooling modules are added as required and are quickly made operational with flexible connection piping with threaded couplings This unique system allows the room cooling capacity to increase to more than 30kW per rack with no additional disruptive piping installation The flexible connection piping also allows the cooling modules to be re positioned without interruption in operation 1 10 1 Liebert XD Field Piping Flexible Piping Kit 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 module end may be straight or 90 degrees with one shot style couplings or removable cou plings Connection to the prefabricated piping assembly is a threaded coupler For information on acquiring the correct kit for your installation refer to DPNO00780 Rev1 available by calling 1 800 LIEBERT and from your local Emerson Network Power representative Prefabricated Headers Field piping kits are available in several versions 10 ft 3 05m with five or 10 ports 8ft 2 44m with two or four ports Each version is available in two pipe sizes Supply pipe 1 1 8 return pipe 2 1 8 Supply pipe 1 3 8 return pipe 2 5 8
72. power com to changes in criticality density and capacity Enterprises benefit Outside the US 614 841 6755 from greater IT system availability operational flexibility and Single Phase UPS reduced capital equipment and operating costs 800 222 5877 upstech emersonnetworkpower com Outside the US 614 841 6755 Three Phase UPS 800 543 2378 powertech emersonnetworkpower com Environmental Systems 800 543 2778 Outside the United States 614 888 0246 Locations United States 1050 Dearborn Drive P O Box 29186 Columbus OH 43229 Europe Via Leonardo Da Vinci 8 Zona Industriale Tognana 35028 Piove Di Sacco PD Italy 39 0499719111 While every precaution has been taken to ensure the accuracy gt and completeness of this literature Liebert Corporation assumes no Fax 39 049 5841 251 responsibility and disclaims all liability for damages resulting from use of Asia this information or for any errors or omissions 7 F Dah Sing Financial Centre O 2007 Liebert Corporation n A l 108 Gloucester Road Wanchai All rights reserved throughout the world Specifications subject to change H K without notice ong Kong Liebert is a registered trademark of Liebert Corporation 852 2572220 All names referred to are trademarks Fax 852 28029250 or registered trademarks of their respective owners SL 16655_REV08_06 08 Emerson Network Power The global leader in enabling Business Critical Continuity EmersonNetworkPower com m AC Power im Embe
73. pressor 2 circuit 70C and 71C Dual Source relay optional Electrical handy box factory installed with cover Figure 67 Liebert XDC electrical enclosure knockout locations for Extra Low Voltage connections User Interface Liebert XD Module Condensate Wall Box Wiring Connections optional depends on features supplied with Liebert XD Module Temperature Humidity Sensor Wiring Alternate Knockout for Temperature Humidity Sensor Wiring Enclosure Cover Not Shown for Clarity 62 Liebert XD Cooling Modules Liebert XDO Liebert XDV Liebert XDH and Liebert XDCF Figure 68 Liebert XDC Extra Low Voltage field connections points Temperature Humidity Sensor Cable Provided with Temperature Humidity Sensor Board Control Display Panel Four thermostatic wires to be connected toTB3 Factory Wired Temperature Sensor s H20 24 RAD1 50 XDOC 51 K3COM K3NO NOTES AN Control wiring must be Class 2 and installed in accordance with the National Electrical Code NEC LA Requires shielded cable 63 UT REMOTE ALARM DEVICE FOR INDICATION OF ALARM WIRE N O CONTACTS FROM REMOTE ALARM DEVICE AS SHOWN Lo N O CONTACT BY OTHERS INPUT CONDENSATION DETECTION ALARM WIIEN CLOSED Log d N O CONTACTS REQUIRED COMMON ALARM OUTPUT FOR CONTACTS INDICATING AN ALARM CONDITION K3COM K3NC TO REMOTE ALARM CIRCUIT BY OTHERS INPUT REM
74. rigerant Pre Charge Liebert XDV units with the pre charged refrigerant option will have one shot style fittings or removable couplings that contain pressurized refrigerant inside the Lie bert XDV The fittings ease connection to Liebert XD Piping and filling with refrigerant External Mounting Brackets The Liebert XDV can be suspended from the overhead building structure The external mounting brackets are ship loose items Field Installed Flexible Piping for use with prefabricated piping assemblies Field installed flexible piping kits are available in lengths of 4 6 8 and 10 feet 1 2 1 8 2 4 and 3 meters Con nection style to the unit end may be straight or 90 degrees Connection to the prefabricated piping assembly is with a threaded coupler For information on acquiring the correct kit for your instal lation refer to DPNO00781 Rev1 available from Liebert by calling 1 800 LIEBERT and from your local Emerson Network Power representative Condensate Detection The Liebert XDV unit is available with factory installed condensate detection The condensate detection has connection points dry contacts at the external rear of the unit Figure 32 Liebert XDV dimensions Depth Top rd Width 29 5 8 752mm Depth Bottom 14 3j Unit Height 355mm 7 o Schrader Valve O Supply In OReturn Out 2 3 8 60 3mm DPNO00770 Page 2 34 Liebert XD Cooling Modules Liebert XDO Liebert XDV L
75. rt XDV Liebert XDH and Liebert XDCF 4 7 2 Piping Connections to Liebert XDP or Liebert XDC Piping Installation for Hard Piped System The assembly and connection means for piping in the Liebert XD system are similar to those used for conventional refrigeration systems All piping should be installed with high temperature brazed joints Soft solder is not recommended During brazing the lines must be filled with flowing dry nitro gen to prevent excessive oxidation and scale formation inside the piping Prevailing good refrigeration practices must be employed for piping supports leak testing dehydration and charging Failure to use good system practices may result in damage to the system Refer to the ASHRAE refrigeration handbook for general good practice refrigeration piping Follow all guidelines in 3 13 Liebert XD Piping System Design and 3 14 Liebert XD Piping Slope during installation Figure 45 Hard pipe connection diagram for Liebert XDV Liebert XDO and Liebert XDH cooling modules Return Main seen from end 2 1 8 O D Recommended Arc Or 2 5 8 O D y Acceptable Arc Supply Main seen from end 1 1 8 O D or 1 3 8 O D 1 2 Refrigerant Grade Full Port Ball Valve Field Supplied and Field Installed Either 5 8 or 7 8 Refrigerant Grade Full Port Ball Valve Field Supplied and Field Installed Copper Tubing Total length of each line from XD cooling module XDH XDO XDV to
76. st be reduced and to provide for unexpected increases in heat load NOTE Reserve capacity is distinct from redundant capacity in that redundant capacity may or may not be available concurrently with normal operating capacity Reserve capacity is available concurrently with normal operating capacity The next step 1s to determine how much of the required cooling capacity is to be provided by Liebert Deluxe or Liebert DS units If the facility is new typically up to 150 watts per square foot 1500W m of cooling can be obtained from Liebert precision air conditioning units supplying air through a raised floor In existing facilities such factors as raised floor height under floor obstructions or other limita tions may reduce this to less than 50 watts per square foot 500 watts per m Once the total required sensible cooling capacity 1s known subtract the sensible cooling portion to be provided by Liebert Deluxe or Liebert DS units This yields the cooling capacity to be provided by the Liebert XD system 13 3 3 3 4 3 5 3 5 1 Designing a Liebert XD Solution Selecting Liebert XD Cooling Modules The next step is to select the Liebert XD cooling modules to be configured into the solution Liebert XD modules that use pumped refrigerant can be connected to the same Liebert XDP Liebert XDC pip ing circuit This includes the Liebert XDCF Liebert XDH Liebert XDO and Liebert XDV Generally the Liebert XDO is selected for use
77. t XD CoolFrame XDH XDO or XDV Liebert XD Cooling Modules Liebert XDO Liebert XDV Liebert XDH and Liebert XDCF 4 4 Liebert XDCF Mechanical Considerations The Liebert XDCF is engineered to fit on the rear of the Egenera BladeFrame enclosure Figure 40 illustrates the unit s dimensions and the location of pipes Figure 41 shows the attachment positions of each module Figure 40 Overall dimensions 13 7116 341mm 3 9 16 90mm 7 5 16 186mm 1 7 16 Return 37mm a Pipe 1 7 16 37mm Upper unit shown both upper and Ib Liebert lower units have XD same dimensions RIGHT Piping is not load bearing and should never be used to lift or move the Liebert XDCF 31 3 8 797mm 41 Liebert XD Cooling Modules Liebert XDO Liebert XDV Liebert XDH and Liebert XDCF 4 5 Liebert XDCF Installation Considerations No cutting or drilling is required to attach the modules to the rear of the Egenera BladeFrame cabi net All mounting holes slots and pins reguired are fabricated at the factory Liebert XDCF modules attach beside the power modules on the rear of the Egenera BladeFrame see Figure 41 Figure 41 Liebert XDCF unit mounting locations Egenera BladeFrame Detail Area B
78. tal pipes with quick connect couplings at each end for easy connection to the refrigerant distribution pipes Figure 7 Liebert XDH horizontal cooling module in hot aisle cold aisle arrangement System Description 1 6 Liebert XDCF The Liebert XDCF is a self contained module designed to cool Egenera s BladeFrame EX cabinets and equipment without exhausting heat into the room Two modules top and bottom may be mounted on the rear of a BladeFrame cabinet CF modules consist of a sheet metal frame coil and filter dryer It has no moving parts and needs no electricity The unit is available with optional flexible metal pipes with quick connect couplings at each end for easy connection to the refrigerant distribution pipes Figure 8 Liebert XDCF units on BladeFrame EX cabinets System Description 1 7 Liebert XDA Air Flow Enhancer The Liebert XDA is a fan unit that boosts the airflow through densely populated enclosures removing hot spots from within the racks One or two units can be mounted on the rear of most rack enclosures Figure 9 Liebert XDA air flow enhancer on Liebert Foundation enclosure anat lO Liebert gt 1 8 1 8 1 System Description Liebert XDP Pumping Unit The Liebert XDP isolates the building s chilled water circuit from the pumped refrigerant circuit The Liebert XDP circulates refrigerant to Liebert XDCF Liebert XDH Liebert XDO or Liebert XDV mod ules while preventing condensation
79. the cold aisle where it is drawn into the equipment cabinets Reg ular spacing aids in optimizing cooling Liebert XDH units should be placed among the cabinets that generate the greatest amount of heat If heat loads are dispersed evenly throughout the room the Liebert XDH modules may be spread out accordingly If a Liebert XDH is installed at the end of a row Liebert recommends using uni directional air diffus ers on that Liebert XDH The uni directional diffusers can be used for left or right air discharge by removing them from the Liebert XDH turning them 180 degrees then reattaching them to the Lie bert XDH Liebert recommends using bi directional air diffusers on Liebert XDH modules installed between racks Figure 18 Liebert XDH placement 3 10 Hot Aisle Y Liebert XDP Liebert XDC Placement The Liebert XDP Liebert XDC may be placed in the critical space or in an adjacent equipment room The allowable distance between the Liebert XDP Liebert XDC and its connected cooling modules is determined by the piping design and by the amount of refrigerant required Refer to 3 12 Liebert XD Refrigerant and 3 13 Liebert XD Piping System Design The maximum height of any of the main or connecting piping should be no more than 20 feet 6m above the top of the Liebert XDP Lieb
80. tion Liebert XDCF Placement The Liebert XDCF is a self contained module designed to cool Egenera s BladeFrame EX cabinets and eguipment Liebert XDCF modules attach to the rear of the Egenera BladeFrame EX cabinet beside the power modules see Figure 17 No cutting or drilling is required to attach the modules all mounting holes slots and pins required are fabricated at the factory The Liebert XDCF does not require electrical connections The number of Liebert XDCF modules required is determined by the heat load of the cabinet cabi nets cannot share cooling from a Liebert XDCF module The Egenera BladeFrame EX cabinet has provisions for mounting two Liebert XDCF modules should the heat load require two modules If only one Liebert XDCF will be needed Liebert recommends using the lower Liebert XDCF module The complete system consists of Liebert XDCF modules piping Liebert XDP or Liebert XDC refriger ant distribution units and those units chillers or drycoolers Figure 17 Liebert XDCF unit mounting locations Liebert XDCF Modules attached to Egenera BladeFrame EX Cabinet d Up per Module dm Lower Module 18 3 9 Designing a Liebert XD Solution Liebert XDH Placement The free standing Liebert XDH cooling unit is best placed among the eguipment cabinets in a hot aisle cold aisle arrangement see Figure 18 The Liebert XDH draws in air from the hot aisle cools it and discharges the cooled air into
81. uid Return Piping Opening 2 51mm Floor Cutout Dimensions Shaded areas indicate a kele Unit Base recommended clearance DPNO000768 ase of 34 864mm for Page 2 Rev 6 Unit Dimensional Data component access i Table 24 Liebert XD Chiller dimensions weight Air Cooled Model Dimensional Data inches mm Shipping Weight Ib kg A B e D E Domestic Export Liebert 33 1 8 XDC160 14 1880 34 864 841 33 838 72 1829 1945 882 2093 949 Dimension does not include the bezel of the disconnect switch 55 Liebert XD Cooling Modules Liebert XDO Liebert XDV Liebert XDH and Liebert XDCF Figure 57 Liebert XDC piping locations To first cooling module or bypass flow controller Install replaceable filter dryer TN in liquid supply line G Orientation determined by installer F Return From Cooling Units E AT 1193 8mm 44 n 6 152mm 23 584 2mm lt G Supply to Cooling Units Z zz Dimensions are approximate and subject to change without notice A Hot Gas Refrigerant Lines Allow 8 204mm of clearance for filter replacement To ensure all refrigerant flow is filtered install the filter dryer assembly between the discharge line of the XDC and the first bypass flow controller DPN000768 or the first cooling module Page 3 Rev 6 LI B Liquid Refrigerant Lines Table 25 Liebert XD Chiller pipi
82. uid Temperature and Electrical Requirements Input Power Connections Terminal blocks provided internal to unit nominal watts Dimensions inches mm 22 1 2 572 not including electrical and piping access Weight Ib kg Installed with refrigerant 155 70 without options Airflow Nominal ft min mi hr 2700 4587 2250 3822 Audible Noise 85 dBa sound power 83 dBa sound power Pipe Connections without flex pipe Refrigerant Supply from Liebert XDP Liebert XDC 1 2 OD Copper Refrigerant Return to Liebert XDP Liebert XDC 7 8 OD Copper Serviceable Parts Fan and electrical components Exterior Finish Bottom T Sides Front and Rear Black matte finish heat fused powder coat Exterior Finish Top Hot dipped galvanized steel Agency CSA 60 Hz CE 50Hz Lighting Fixtures ship loose 2 Liebert XDOs per lighting unit 120V or 277V 4 standard fluorescent tubes not included 0 9A per 120V light fixture 0 4A per 277V light fixture Cooling Capacity Approvals Power optional lighting fixture None Condensate sensing factory installed Pre Charged Refrigerant R 134a Refrigerant one shot connections Revision level Dry contact 24VAC 1A maximum 69 Specifications Table 34 Liebert XDO20 dimensions domestic and export BEL Sn Shipping Dimensions inches mm Unit Dimension Unpacked inches M Dome Beo engin wian Height Length wian Weight Length W
83. ure indicator electronic control valve adjustable externally egualized expansion valves and liguid line solenoid valves Heat Exchanger Brazed plate design with interwoven circuiting constructed of stainless steel plates copper brazed PUMPS Centrifugal type end suction canned rotor design Standard Control Processor The standard control system is microprocessor based with an exter nal LCD numerical display to allow observation of specified adjustable functions Normal operat ing conditions are indicated on the LCD panel which is mounted either on the unit or on the wall depending on application details see user manual SL 16671 The control system also monitors unit operation and activates an alarm when any of the specified factory preset conditions are exceeded Cabinet and Frame Custom powder painted steel panels A hinged control access panel opens to a second front panel which is a protected enclosure for all high voltage components Frame is con structed of 14 gauge heliarc welded tubular steel and painted using an auto deposition coating system 4 11 1 Liebert XDC Optional Features Water Glycol Condensers A water glycol floor stand condenser option is available for heat rejection requirements The water glycol floor stand can be located beneath the XDC unit or installed nearby Figure 56 Liebert XDC dimensional data B A Overall Overall Recommended 25 4mm Minimum Hot Gas Supply amp Liq
84. y model Liebert XDH Liebert XDO Liebert XDV Liebert XDCF Per Liebert XD Unit Refrigerant Charge Excludes Connector Lines Ib kg to and from Liebert XD Cooling Module 157 lb 65 7kg Liebert XDP Liebert XDC 3 55 Ib 0 66kg Liebert XDO 2 32 Ib 1 05kg Liebert XDV 5 32 Ib 2 41kg Liebert XDH 1 41 Ib 0 64kg Liebert XDCF Table 8 System refrigerant charge for the supply and return mains Refrigerant Charge Ib foot Supply Return Main Length and Diameter Main D actual length per 1 1 8 OD copper n Table 9 R 134a refrigerant charge for hard piped connector lines to and from any model Liebert XDH Liebert XDO Liebert XDV Liebert XDCF Refrigerant Charge Ib foot kg m Hard Piped Connector Length and Diameter 1 2 OD Liebert XDO Liebert XDH Liebert XDV Liebert XDCF supply connector 0 08 0 12 actual length 0 13 0 19 5 8 OD copper tubing Liebert XDV Liebert XDCF supply connector actual length 0 26 0 39 7 8 OD Liebert XDO Liebert XDH supply connector actual length 0 02 0 03 5 8 OD copper tubing Liebert XDV Liebert XDCF return connector actual length 0 04 0 06 7 8 OD copper tubing Liebert XDV Liebert XDCF return connector actual length 0 04 0 06 7 8 OD copper tubing Liebert XDH Liebert XDO return connector actual length 0 07 0 1 1 1 8 OD copper tubing Liebert XDH Liebert XDO return connector actual length 26 Designing a Liebert XD Solution Table 10 R 134a refrigerant charge for Flex

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