Home

Supplemental Zone and Spot Cooling

1. Bushing Q NS PO s internal 7 e mounting brackets 00 99 3 8 16 Field Supplied Internal mounting Threaded Rod bracket goes between bushings Bushing Sleeve 3 8 Large Washer 3 8 Nylok Nut 15 Attaching Suspension Hardware and Mounting the Unit 5 3 Installation With External Mounting Brackets An optional external mounting bracket kit may be used to hang XDO units This kit attaches to the front and rear of the XDO and are used to secure the unit to the overhead building structure To use the external mounting brackets 1 Attach two field supplied threaded rods to a mounting bracket using two nuts two washers and a bushing as shown in Figure 17 Figure 16 External mounting kit for XDO L R 2 Placethe bracket against either the front or rear panel of the XDO making sure that the lip along the bottom of the bracket fits under the bottom of the panel 3 Secure the bracket to the XDO using three nuts and bolts supplied with the mounting kit as shown in Figure 17 4 Using either lifting equipment or adequate personnel raise the XDO to mounting connections installed in the overhead building structure and secure the unit using field supplied hardware 16 Attaching Suspension Hardware and Mounting the Unit Figure 17 Detailed view of mounting kit attached to front panel Rear of XDO Threaded rods
2. Front of XDO i i Right Side Bottom View of XDO of XDO Figure2 Model number nomenclature Example XDO16BK 0 XD O 16 B K 0 Liebert 16 kW K 120V 1ph 60Hz Place X treme nominal T 220 240V 1ph 60Hz holder heat capacity 220 240V 1ph 50Hz density S 230 V 1 ph 50Hz system Overhead B Basic unit Place Revision cooling D Condensate detection holder level module Installation 2 0 INSTALLATION 2 1 References This document must be used together with site specific documentation and documentation for other parts of the system 2 2 Pre Installation Checks 1 Verify that the XDO unit voltage matches the available utility power The nameplate with this information is on the bottom of the cooling module near the fan 2 Check the received materials to be sure all required assemblies and parts have been received If you discover any external damage report them to the shipping company and your local Liebert representative 3 When unpacking and handling the XDO module extra care should be taken to prevent damage to the coils 2 3 Parts Included With XDO Installation manual this document XDO module Mounting kit parts with the following items Qty Part Qty Required 3 8 hex nuts 16 8 3 8 small washers 4 4 rubber bushings 8 8 metal sleeves 8 4 3 8 large washers 4 4 3 8 Nylok nuts 4 4 2 3 1 Optional Items Lighting units External mounting kit Part Qty exte
3. Right side layout LEFT SIDE OF UNIT is similar 23 Piping Connections and Piping Access Points 7 2 Piping Details Shutoff Isolation Valves To allow for fluid isolation of each XDO module install a full port isolation valve field supplied on each branch circuit see Figure 25 below site specific documentation Liebert s XD System Design and Configuration Document and documentation for other parts of the system Figure 25 Piping details XDO shown with piping connected through top access points Supply Front and side connection points are available Recommended Return Acceptable Supply Valves Field Installed For more information refer to Table 2 Branch piping 24 Piping Connections and Piping Access Points 7 3 7 4 7 5 7 6 7 7 Connecting Pipes to the Top of the XDO To connect the pipes 1 Vent the nitrogen holding charge as specified in 7 5 Holding Charge 2 Remove the caps from the supply and return pipes the caps are soldered in place and can be removed with a small torch 3 Connect the supply and return pipes soldering or brazing them in place Before brazing the pipes refer to 7 6 Brazing Preparations Connecting Pipes Through the Side or Front of the XDO To connect the pipes 1 Vent the nitrogen holding charge as specified in 7 5 Holding Charge 2 Remove
4. Top Hot dipped galvanized steel Agency Approvals CSA 60 Hz CSA 50Hz CE 50Hz Options Lighting Fixtures ship loose 2 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 None Condensate sensing factory installed Dry contact 24VAC 1A maximum 30 Specifications Table 4 Dimensions domestic and export Shipping Dimensions inches mm Unit Dimension Domestic Export Unpacked inches mm Model Length Width Height Length Width Height Length Width Height All Models 84 30 30 83 30 30 72 1 4 24 1 8 25 1 2 2134 762 762 2108 762 762 1835 613 648 Includes piping connections 31 Technical Support Service The Company Behind the Products With over a million installations around the globe Liebert is the world leader in computer protection systems Since its founding in 1965 Liebert has developed a complete range of support and protection systems for sensitive electronics Environmental systems close control air conditioning from 1 to 60 tons e Power conditioning and UPS with power ranges from 300 VA to more than 1000 kVA e Integrated systems that provide both environmental and power protection in a single flexible package e Monitoring and control from systems of
5. 1 Opening Hinged Removable Fan Tray Remove two screws to remove the protective cover from the high voltage terminal block see Figure 20 Connect the high voltage power supply wires and the earth ground wire to the XDO as shown in Figure 20 The black wire in the power supply line connects to L1 on the terminal block and the white wire connects to N on the terminal block The earth ground wire connects to the earth ground location above the L1 and N connectors Reinstall the cover over the high voltage terminal block High voltage terminal block location and connection locations High Voltage Cover gs High voltage and low voltage terminal blocks viewed from the interior of the XDO Z 2 2 2 Earth Ground Location i yas d A O Terminal Block MN Inside detail view with high voltage cover removed For clarity top is not shown 20 Electrical Connections 6 2 Connecting Low Voltage Wiring Optional Low voltage connections to the XDP XDC are required only for units with the optional condensation detection feature Viewing the XDO from the front or from above the low voltage terminal block is on the right side of the unit see Figure 19 for knockout locations see Figure 21 for low voltage termi nal block location For units equipped with the condensation detection package make low voltage connections according to site specific drawi
6. 3 4 Unit Handling If possible transport the unit using a fork lift or pallet jack f using a fork lift or pallet jack ensure that the fork tine length is suitable to safely move the packaged unit t is recommended by Liebert Corporation that the unit remain in the protective packaging until located at the installation site When handling and unpacking the unit exercise great care to prevent damage to the coil fins see Figures 6 7 and 8 General product information 3 5 Unpacking the Unit 3 5 1 Domestic Packaging Remove outer packaging when ready to install the XDO Keep the XDO covered by the unit bag until removal from pallet Figure6 Removing domestic shipping package General product information 3 5 2 Export Packaging Unbend all metal tabs as indicated in Step 1 in Figure 7 below Remove outer packaging when ready to install the XDO Keep the XDO covered by the unit bag until removal from pallet Figure 7 Removing export shipping package General product information 3 5 3 Removing the XDO from the Pallet 1 2 Figure 8 Removing the XDO from its shipping pallet requires two people Unfold the unit bag to expose the XDO Verify the nameplate information found on the XDO against the bill of lading information If the information does not match the product specified contact your local sales representative At least two properly trained personnel may lift the XDO o
7. 852 28029250 EmersonNetworkPower com I AC Power Systems IB Embedded Power I Power Switching amp Controls I Site Monitoring I Connectivity MW Integrated Cabinet Solutions JB Precision Cooling I Surge amp Signal Protection I DC Power Systems B Outside Plant I Services Emerson Network Power and the Emerson Network Power logo are trademarks and service marks of Emerson Electric Co 2006 Emerson Electric Co
8. General product information 3 3 Equipment Inspection Upon arrival of the unit and before unpacking verify that the labeled equipment matches the Bill of Lading Carefully inspect all items for either visible or concealed damage Damage should be immedi ately reported to the carrier and a damage claim filed with a copy sent to Liebert Corporation or to your sales representative 3 3 4 Recyclable Packaging CN All material used to package this unit is recyclable Please save for future use or R A dispose of the material appropriately K7 WARNING Improper handling can cause equipment damage injury or death Read all of the following instructions before attempting to move lift remove packaging from or preparing unit for installation CAUTION Risk of sharp edges splinters and exposed fasteners can cause personal injury Only properly trained personnel wearing appropriate safety headgear gloves shoes and glasses should attempt to move lift remove packaging from or prepare unit for installation CAUTION Risk of damage from fork lift Improper handling with the fork lift can cause exterior and or underside damage Keep tines of the fork lift level and at a height suitable to fit below the skid CAUTION Risk of unit damage if improperly stored Keep the unit indoors and protected from dampness freezing temperatures and contact damage Figure5 Recommended unit handling equipment Pallet Jack Forklift
9. field supplied Front of XDO External Mounting Bracket part of optional external mounting kit Nylok Nut Bushing supplied with internal mounting kit Washer supplied with internal mounting kit Nylok Nut Bracket lip fits underneath XDO16 to support Detailed Profile of External the units weight Mounting Bracket 17 Electrical Connections 6 0 ELECTRICAL CONNECTIONS The appliance must be installed in accordance with national wiring regulations Refer to the unit s serial tag for electrical requirements CAUTION Use copper wiring only Make sure that all connections are tight The voltage supplied must agree with the voltage specified on the unit serial tag NOTE All electrical data maybe found in Table 3 Liebert XDO specifications Figure 18 XDO electrical connection diagram 6 1 To supply To other XDO units i To other XDO units E Electrical Connection Point Connecting High Voltage Cables WARNING Risk of electric shock Can cause injury or death Disconnect all local and remote electric power before working within the unit AN CAUTION Sharp edges and heavy parts may cause personal injury Wear gloves to prevent injury to hands Damage to wiring or components may make unit unsafe to operate Use caution when installing wiring to prevent d
10. site Doors should be properly sealed to minimize leaks and should not contain ventilation grilles General product information 3 0 GENERAL PRODUCT INFORMATION 3 1 Product System Description 3 2 Introduction The Liebert XDO is an overhead cooling system designed for installation above heat dissipating equipment fan draws hot air exhausted from the equipment through two cooling coils and dis charges cool air back down to the equipment see Figure 3 The system consists of XDO modules XDP XDC coolant distribution units power and signal cabling and interconnecting piping see Figure 4 Liebert s XDP XDC monitors room conditions and prevents coil condensation by maintaining the tem perature of the coolant pumped to the XDOs above the room dew point Figure 3 Generic air flow schematic XDO Hot air is drawn into the XDO for cooling Critical Equipment Critical Equipment Critical Equipment Critical Equipment Cooled air enters the rack Cooled air enters the rack Hot air goes into the hot aisle Hot air goes into the hot aisle HOT AISLE COLD AISLE Cold Aisle Spacing COLD AISLE Figure4 Generic piping schematic Liebert Heat er Supply Lines Relecti SJ Coolant gt ESPE Chiller XDCoolant Return Lines Amm 2 Coolant i XDC pumps coolant Chiller XDCoolant to XDO modules and also isolate coolant from build ing chilled water supply
11. amage to factory wiring Install protective bushings in wiring knockouts as required Do not disturb factory wiring or route field installed wiring over electrical terminals Use NEC Class 1 wiring for all hazardous voltage electrical power supplies Check and retighten all wiring connections before starting The XDO is designed for electrical access through the top or front see Figure 19 18 Electrical Connections Figure 19 Top and front electrical access points Mounting Hole TOP OF XDO Knockouts for High Voltage Wiring Mounting Hole FRONT OF XDO Knockouts for Low Voltage The low voltage connection is present only Wiring if the XDO is equipped with the optional condensation detection system 19 Electrical Connections 5 Figure 20 Route the electrical service conduit through the hole provided in the top or front of the XDO The electrical connections are on the front of the inside compartment of the XDO on the internal mounting brackets which in addition to serving as electrical terminal blocks also are used to secure internal piping Looking at the XDO from the front the knockout for the high voltage wiring and the high voltage terminal block will be on the left see Figure 19 the low voltage locations will be on the right The low voltage connection is present only if the XDO is equipped with the optional condensation detection system Open the hinged removable fan tray see 5
12. and Starting the XD System 0 0 00 c ee eee ee 26 8 0 MOUNTING OPTIONAL LIGHT UNITS lieet 27 9 0 CHECKLIST FOR PROPER INSTALLATION sese hh hh nn 28 10 0 MAINTENANCE uno Are Se RC eae Bee a cci xU os MCI a CASA RC 29 11 0 SPECIFICATIONS 5x 048 wakes keto ACE A E Aue Seely AAA 30 FIGURES Figure 1 XDOcomponent locations i ecr ee p a E ra 1 Figure 2 Model number nomenclature 0 cee hr s 1 Figure 3 Generic air flow schematic 00 ee EEOAE EEE eee nas 4 Figure 4 Generic piping schematic 0 eee hae 4 Figure 5 Recommended unit handling equipment 5 Figure 6 Removing domestic shipping package 6 Figure 7 Removing export shipping package 7 Figure 8 Removing XDO from shipping pallet RR e 8 Figure 9 General arrangement and overall dimensions sees 9 Figure 10 Typical XDO piping interlaced connections ssaa sanasana eee ene een 11 Figure 11 Typical XDO piping non interlaced connection 0 teen eee 11 Figure 12 Opening or removing hinged fan tray llle has 12 Figure 13 Fan tray opened for acCeSS 1 ehh 13 Figure 14 Mounting hole locations 0 0 0 cc ee enn hr 14 Figure 15 Threaded rod and internal mounting kit installation 20 0 0 cece cece 15 Figure 16 External mounting kit for XDO 2 een een eee n nena 16 Figure 17 Detailed view of mounting kit attached to front panel 0 2 0 0c cc cette 17 Figure 18 XDO
13. any size or location on site or remote e Service and support through more than 100 service centers around the world and a 24 7 Customer Response Center While every precaution has been taken to ensure the accuracy and completeness of this literature Liebert Corporation assumes no responsibility and disclaims all liability for damages resulting from use of this information or for any errors or omissions 2006 Liebert Corporation All rights reserved throughout the world Specifications subject to change without notice Liebert and the Liebert logo are registered trademarks of Liebert Corporation All names referred to are trademarks or registered trademarks of their respective owners SL 16661 04 06 Rev 4 Emerson Network Power The global leader in enabling Business Critical Continuity Web Site www liebert com Monitoring 800 222 5877 monitoring liebert com Outside the US 614 841 6755 Single Phase UPS 800 222 5877 upstech liebert com Outside the US 614 841 6755 Three Phase UPS 800 543 2378 powertech liebert 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 39 049 9719 111 Fax 39 049 5841 257 Asia 7 F Dah Sing Financial Centre 108 Gloucester Road Wanchai Hong Kong 852 25722201 Fax
14. e as a mounting platform for the lights but do not provide power to the lights The lights require separate power connections Follow all local and national electrical codes when making power and control connections to the lights Attach the lights to the bottom of the XDO on either side of the fan trays as shown in Figure 26 Figure 26 Adding optional lighting units Optional Lighting Requires Two XDO Units Secure Light Beside the Fans Secure Light Beside the Fans Lighting Units 27 Checklist for Proper Installation 9 0 CHECKLIST FOR PROPER INSTALLATION __ 1 Threaded rods installed in the overhead building structure 2 XDO module secured on threaded rod using mounting hardware provided See 2 3 Parts Included With XDO and 2 3 1 Optional Items 3 XDO module level within 1 2 4 High voltage wiring to XDO module 5 Low voltage wiring to XDO 6 Piping from XDP XDC to XDO with isolation valves piped to each XDO 7 Field piping has no leaks 8 Piping insulated Fan tray closed and securely latched __ 10 Start system to ensure proper operation ___ 11 Shut down system 28 Maintenance 10 0 MAINTENANCE Minimal maintenance is required to keep the XDO operating at optimal levels The unit should be cleaned and checked for damage and worn parts Suggested maintenance includes Cooling fins Clean any dust and debris from the cooling fins taking care not to bend
15. electrical connection diagram o 18 Figure 19 Top and front electrical access points 0 0c eee een enna 19 Figure 20 High voltage terminal block location and connection locati0NS o o ooooooooooooo 20 Figure 21 Low voltage wiring connections 0 een hh 21 Figure 22 Top piping access points 1 hr he 22 Figure 23 Front piping access points 0 0 cc rr 23 Figure 24 Side piping access points ssi ia reta AA ehh hah 23 Rigeure 25 Piping detal o hr edet tt ee S DE oec ttr a etd cr Bos easels tae ent eter aed 24 Figure 26 Adding optional lighting UNItS eee e nent teens 27 TABLES Table 1 Application mute o tete A Ee Bia Sk A i be is e IM A Ae US 3 Table 2 Branch Pipin Ota sse ree es deen A qe E eT Mp oir AN a e E as 25 Table 3 Liebert XDO specifications 30 Table 4 Dimensions domestic and export 31 XDO Component Locations and Model Number Nomenclature 1 0 XDO COMPONENT LOCATIONS AND MODEL NUMBER NOMENCLATURE Figure XDO component locations Fan Tray shown in open position XDO Components and Nomenclature Hinged Removable Fan Tray Front of XDO Evaporator Coil Evaporator Fan Serial Tag Internal Mounting Bracket Condensate Detection Option 2 On Off Switch Circuit Breaker Quarter Turn Fasteners Knockout High Voltage Connection Knockout Low Voltage Connection OOANDOARWND Left Side 1 of XDO 7 Front of XDO y N
16. en To open the fan tray 1 Shut off power to the XDO unit to be opened by flipping power switch to the Off position before working on unit see Figure 12 2 Slowly unthread electrical connector from its mating half before opening the fan tray 3 Turn the quarter turn fastener to open the fan tray 4 To service the interior of the XDO or to install threaded rods for installation back out two M6 screws on the removable fan tray The fan tray may now be removed Figure 12 Opening or removing hinged fan tray Power Switch Quarter Turn Fasteners Front of XDO Electrical Connector unscrew Removable Rear of XDO from matching half before Fan Tray opening tray BOTTOM VIEW OF XDO Service Access Opening Front of XDO S e 17 1 8 22 1 8 435mm 562mm e Rear of XDO M6 screw 533mm M6 screw 12 Attaching Suspension Hardware and Mounting the Unit Figure 13 Fan tray opened for access Front of XDO Internal Mounting Bracket NM Removable Fan Tray swung open for internal access 13 Attaching Suspension Hardware and Mounting the Unit 5 2 Installation With Internal Mounting Brackets Before beginning take precautions to ensure that the equipment below the XDO will not be damaged if the XDO a piece of hardware or installation tool is dropped 1 Insert a 3 8 threaded rod into one of the i
17. er the ends of the supply and return lines Recommended Piping Size Connect the main pipes between the XDO branch piping and the XDP or XDC according to Table 2 Elbows and restrictions must be minimized to get good fluid flow Connect the branch pipes between the main piping and the XDO according to Table 2 Table 2 Branch piping Nominal Pipe Equivalent Length Size in ft m Pipe Material 1 2 O D up to 10 3 Copper Supply 7 8 O D longer than 10 but less than 25 3 7 6 Copper 7 8 O D up to 10 3 Copper Return 1 1 8 O D longer than 10 but less than 25 3 7 6 Copper 25 Piping Connections and Piping Access Points 7 8 7 9 Insulation To minimize the possibility of condensation insulate all piping between the XDO and the XDP or XDC Charging with Refrigerant and Starting the XD System The Liebert XD System must be completely installed before it is charged with refrigerant After installation is complete refer to the Liebert XDP or Liebert XDC user manual for instructions on charging the XDV XDO with refrigerant and starting the system The complete XD system includes all XDO and XDV units an XDC or XDP unit and any other connected equipment 26 Mounting Optional Light Units 8 0 MOUNTING OPTIONAL LIGHT UNITS Liebert offers optional lighting units that may be mounted on XDOs to save space and improve illumi nation in the conditioned space The XDO modules serv
18. ff of the pallet and onto a flat surface as shown in Figure 8 To protect the painted surface of the XDO lay a piece of protective material the length of the unit on the flat surface before moving the XDO Removing XDO from shipping pallet General product information Figure9 General arrangement and overall dimensions LEFT SIDE OF Oe 24 1 8 a 613mm ra BACK US 72 1 4 1835mm RIGHT SIDE OF XDO FRONT OF XDO 22 1 2 572mm Do Not Lift Here os 24 1 4 NM 616mm Do Not Lift Here FRONT OF XDO Mechanical Considerations 4 0 MECHANICAL CONSIDERATIONS 4 1 4 2 4 3 A WARNING Be sure to securely anchor the top ends of the suspension rods Make sure all nuts are tight Locating in Ceiling Spacing The distances between the XDO modules are determined by the heat density to be cooled Refer to site specific drawings for exact spacing The optional lighting units require a pair of XDO units installed either front to back or back to back determined by electrical and coolant access locations Weight Distribution The weight is evenly distributed within the XDO unit Leveling The XDO modules must be mounted so that they are level within 1 2 13mm end to end Ceiling Preparation The XDO module must be securely mounted to the overhead building structure This may require reinforcing the overhead building structure and supports of exist
19. ing buildings Be sure to follow all applicable codes 10 Mechanical Considerations 4 4 System Connection Configuration If possible connect the XDO modules to XDPs or XDCs in an interlaced configuration see Figure 10 Interlacing the connection piping will keep half the XDP XDC units operating and main tain even cooling in the conditioned space should one of the XDP or XDC units fail However in a system with just one XDP or XDC connect XDO modules in a non interlaced configura tion see Figure 11 Figure 10 Typical XDO piping interlaced connections TOP VIEW NOT TO SCALE XDP XDC A Supply A Return A L L L L L L L Return B Supply B XDP XDC B NOTE Line size does NOT indicate pipe size difference Figure 11 Typical XDO piping non interlaced connection TOP VIEW NOT TO SCALE Return Supply e een XDP XDC 11 Attaching Suspension Hardware and Mounting the Unit 5 0 ATTACHING SUSPENSION HARDWARE AND MOUNTING THE UNIT The XDO may be suspended from the overhead building structure in either of two ways using field supplied threaded suspension rods Inserting the rods through internal mounting brackets Attaching the rods to external brackets and attaching those to the XDO s front and rear panels 5 4 Opening Hinged Removable Fan Tray Internal mounting brackets and some wiring connections are accessible only when the XDO s fan tray is op
20. ling Spacing o o o e 10 41 Weieht Distribution Re ER S Eee te i ee eR Re s e RAP D ab Bg e UH 10 eee a puse Suet et cu S o o is de Mord M ue t Me Mod 10 Ceiling Preparation srera wee a y porc Tt ey aote neca V V Bec RU e or epi S 10 System Connection Configuration 11 ATTACHING SUSPENSION HARDWARE AND MOUNTING THE UNIT lessen 12 Opening Hinged Removable Fan Tray 0 00 es 12 Installation With Internal Mounting Brackets 0 0 0 0 ccc eens 14 Installation With External Mounting Brackets llle 16 ELECTRICAL CONNECTIONS 4 1 xo Ea c ER Ro eae xoxo AUS RR E E wor e ee 18 Connecting High Voltage Cables es 18 Connecting Low Voltage Wiring Optional 0 eee eens 21 PIPING CONNECTIONS AND PIPING ACCESS POINTS enn 22 Connection Methods and Points couv RERO cg use aye RES ba 22 Piping Details Sh toff Isolation Valves c as caeidedsiedieewe ead aaa 24 Connecting Pipes to the Top of the XDO 6 ccc es 25 Connecting Pipes Through the Side or Front of the XDO o o o ooooooooooo ooo 25 7 5 Holding Charge ose Ins ei beeen yb e Pvt etel ma Ma eared e hie 25 1 6 Brazing Preparations isc cis sb dots rad viv Wage eve re Vr PEE dex EE SY IS 25 7 7 Recommended Piping IZB eee eee hh rr 25 7 8 IriSulatton eo sus eet verte tie ea bp d Pe Te Rs P NL ea SEO er EAR UTE SINUS 26 7 9 Charging with Refrigerant
21. m Precision Cooling for Business Critical Continuity Liebert XDO User Manual 14 amp 16kW Nominal Capacity 50 amp 60 Hz amp W Liebert EMERSON Network Power 1 0 2 0 2 1 2 2 2 3 2 4 3 0 3 1 3 2 3 3 3 4 3 5 4 0 4 1 4 2 4 3 4 4 5 0 5 1 5 2 5 3 6 0 6 1 6 2 7 0 7 1 7 2 7 3 7 4 TABLE OF CONTENTS XDO COMPONENT LOCATIONS AND MODEL NUMBER NOMENCLATURE eese 1 INSTALLATION o A e A A aa ee QUE ER 2 Belerences Gdl Pe e e a 2 PyesIustallation Checks ou oh RA td 2 Parts Included Wath ADO vis it Ges ae ening weds ied ME EI UNSER ee ed ee 2 2231 Optional Items son tort eim emn Bld e ARE EU eri e ers Soles UR e eroe ERE 2 Installation Considerations cas dw AA REP PON OW eM ug VR RR RR UU 3 2 4 1 Room Preparati n iii eb ere edie ay ent ee sed edu eset ed ae o reed 3 GENERAL PRODUCT INFORMATION 000 cece eee hh h nnns 4 Product System Description i e a E eee e s 4 IMPOR EE ic Oben dese ot d e E ed etd 4 Equipment Inspection 212u ide A RA ORI Dus 5 3 9 1 Recyclable Packaging uec eee Re enar gs 5 Umit Handling cise edits E Ae Us s eR S UE Ines O DU ad Wha 5 Unpacking the Units ioo E Reuter e li eU edet eee boa 6 3 5 1 Domestic Packaging 6 2 5 2 Export Package cod le deem ebbe eto He GAAS do tulle eds 7 3 5 3 Removing the XDO from the Pallet sss 8 MECHANICAL CONSIDERATIONS 000 cece eee eee eee eee eee eet ee 10 Locating in Cei
22. ngs The unit must be installed 1n accordance with national wiring regulations Figure 21 Low voltage wiring connections Low Voltage High Voltage Cover INSIDE FRONT PANEL VIEW 21 Piping Connections and Piping Access Points 7 0 PIPING CONNECTIONS AND PIPING ACCESS POINTS Refer to site specific drawings for general locations of the piping connections These drawings should specify where the piping connects to the XDO top front and side 7T 1 Connection Methods and Points The assembly and connection means used for piping in the 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 Pipe used should be copper type ACR or clean Type L Supply piping connection is 1 2 OD copper pipe and return piping connection is 7 8 OD copper For ease of connection the XDO offers supply and return piping access on the top or through the front or either side see Figure 22 Piping connections extend through the XDO s top the most frequently used access point Should access from another direction be required the factory installed pipes can be shortened and elbows installed inside the unit to accommodate the alternate entrances To locate the side and front entrances see Figures 23 and 24 Figure 22 Top piping access points 7 8 22mm r 7 1 4 184mm Outside Diamete
23. nternal mounting brackets Two mounting brackets and their associated access holes are near the front of the XDO and two are near the back of the unit Locate the holes by referring to Figure 14 2 Hardware to secure the rod to the XDO must be installed as shown in Figure 15 above the bracket arrange the components from top to bottom Nylok nut 3 8 small washer and a bushing below the bracket from bottom to top Nylok nut 3 8 large washer a bushing and a sleeve 3 Tighten the Nylok nuts firmly Repeat for each of the four rods checking to ensure that the XDO will be level when suspended for Operation 4 Using either lifting equipment or adequate personnel raise the XDO to mounting connections in the overhead building structure and secure the unit using field supplied hardware 5 Adjust the Nylok nuts so that the weight of the unit is supported evenly by the four 4 rods and the unit is level within 1 2 13mm end to end Figure 14 Mounting hole locations Rear of XDO 7 8 22mm 26 3 4 DAT 18 1 2 Diameter 679mm 470mm Mounting Holes 22 1 8 562mm DANGER i HIGH VOLTAGE ORE E O O 7 8 22mm 26 3 4 Diameter 679mm Mounting Holes Front of XDO 14 Attaching Suspension Hardware and Mounting the Unit Figure 15 Threaded rod and internal mounting kit installation 3 8 Nylok Nut Threaded rods E 3 8 Small inserted into Washer
24. r Return Piping Connection Ld m 1 2 13mm Outside Diameter Paru Piping Connection l i ANGER aay I HIGH VOLTAGE ite E E 7 8 22mm O i Diameter p oy typ 2 places A 4 1 4 P 32mm 6 1 8 155mm X 5 7 8 Ie TOP VIEW PS mm A OF XDO 4 7 16 a 112mm 14 1 2 368mm La 34 7 8 s 33 1 8 J 886mm 841mm 5 7 i Y 7 1 4 FRONT VIEW 5 7 8 184mm OF XDO 149mm 22 Piping Connections and Piping Access Points Figure 23 Front piping access points Alternate Piping Connection Eug 1 3 8 35mm Y V Diameter 1 1 16 ios 3 m 76mm typ 2 plcs Alternate Piping Connection y 1 1 16 1 26mm o 28 1 2 724mm 15 7 8 381mm 22mm Diameter i O O o y 21 112 s o i 546mm Figure 24 Side piping access points FRONT OF XDO gt Schrader Valve v duae 1 2 Outside Diameter 8 Outside Supply Piping Diameter Connection Return Piping Connection 3 A Alternate Piping 76mm gt 4 4 Connection 5 15 16 l VV typical 2 places 151mm 24 n J 5 3 4 146mm E 7 3 8 ee 47mm 188mm REAR FRONT OF UNIT OF UNIT
25. rnal mounting brackets 2 1 4 20 x 3 4 bolts 6 1 4 20 Nylok nuts 6 Installation 2 4 2 4 1 Installation Considerations The XDO module is to be securely mounted to the overhead building structure It is typically hung 18 24 457 610mm above the heat dissipating equipment A suspended ceiling if one exists should be at the same level as the top of the XDO If the suspended ceiling has open grates it may be the same level as the bottom of the XDO Determine whether the installation will include the optional lighting units Attaching a lighting unit requires two XDO modules mounted against each other see 8 0 Mounting Optional Light Units The lights require separate power connections Table 1 Application limits Input Voltage Range of Return Air Conditions to Unit Minimum Maximum Dry Bulb Temp Relative Humidity 60 to 100 F 10 5 Room Preparation The room should be well insulated and must have a sealed vapor barrier The vapor barrier in the ceiling and walls can be a polyethylene film Paint on concrete walls and floors should contain either rubber or plastic NOTE The vapor barrier is the single most important requirement for maintaining environmental control in the conditioned space Outside or fresh air should be kept to a minimum when temperature and humidity must be tightly controlled Outside air adds to the cooling heating dehumidifying and humidifying loads of the
26. the caps from the supply and return pipes the caps are soldered in place and can be removed with a small torch Be careful to not damage internal components when making internal piping connections 3 Remove the top panel it is held in place with screws 4 Cut the supply and return pipes to the proper length permitting pipe connections with the panel replaced 5 Remove the knockouts on the side or front panel where pipes will enter the XDO 6 Bring the supply and return pipes into the XDO soldering or brazing them in place Before brazing the pipes refer to 7 6 Brazing Preparations 7 Replace the top panel Holding Charge The XDO is shipped with a low pressure holding charge of nitrogen This must be vented before removing the caps on the ends of the supply and return piping To vent the holding charge 1 Find the Schrader valve on the top exterior of the cabinet which will allow you to vent the nitrogen holding charge in the XDO unit as shown in Figure 23 2 Open the valve and vent the holding charge 3 Replace and secure the cap on the Schrader valve Brazing Preparations Brazing material or soft solder may be used to connect supply and return pipes However if brazing material is used the lines being brazed must be pressurized with flowing dry nitrogen during brazing to prevent oxidation and scale formation inside the piping After the holding charge has been vented a torch can be used to remove the caps ov
27. them Circulating fans Clean any dust from the fans 29 Specifications 11 0 SPECIFICATIONS Table 3 Liebert XDO specifications XDO16BK 0 XDO16BT 0 XDO16BT 0 XDO16BS 0 Models XDO16DK 0 XDO16DT 0 XDO16DT 0 XDO16DS 0 60Hz 60Hz 50Hz 50Hz Cooling Capacity nominal 16kW 4 6 Tons 16kW 4 6 Tons 14kW 3 98 Tons Conditions 55 F Entering Coolant Temperature 85 F Entering Air Temperature 50 F or lower dew point Electrical Requirements Input Voltage 1 ph 60Hz 120V 1ph 60Hz 220 240V 1ph 50 Hz 220 240V 1ph 50 Hz 230V Input Power Connections Terminal blocks provided internal to unit Full Load Amps 2 7A 120V 1 46A 230V 1 19 230V Wire Size Amps 3 4 2 0 1 28 Overcurrent Protection Device 15 15 15 15 Power consumption 350 360 350 350 nominal watts Dimensions inches mm Length 72 1 4 1835 Width 24 1 8 613 Height 22 1 2 572 not including electrical and piping access Weight Ib kg Unit only 150 68 Shipping weight 238 108 296 134 Installed with coolant without 155 70 options Number of Fans 1 1 ipn Nominal ft min 2700 4587 2250 3822 Audible Noise 85 dBa sound power 83 dBa sound power Pipe Connections Poem V2 OD Copper ES ae 7 8 OD Copper Serviceable Parts Fan and electrical components aE d Sotia Black matte finish heat fused powder coat Exterior Finish

Download Pdf Manuals

Related Search

Supplemental Zone and Spot Cooling

Contents

Download Pdf Manuals

Related Search

Related Contents