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Vertiv Liebert CW 038, Installer And User Manual

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Vertiv Liebert CW 038 Installer And User Manual Download Page 79

Symptom

Possible Cause

Check or Remedy

Reheat will not operate; contactornot
pullingin

Control not calling
forheat

Check monitorstatus.

Reheat safety stat
open

JumperbetweenterminalsP34-1 andP34-2. If reheat operates, safety isopen. Remove
jumper. Replace safety.

Reheat not operating, contactor
pullingin

Heaterburnedout

Turnoff powerandcheck heatercontinuity withOhmmeter.

Table 10.4  Reheat troubleshooting

9 Troubleshooting

79

Summary of Contents for Liebert CW 038

Page 1: ...Liebert CW Thermal ManagementSystem Installer UserGuide 38to400kW 10to114ton Capacity UpflowandDownflow 50Hzand60Hz...

Page 2: ...disclaimsall liability for damagesresulting from useofthisinformationor for any errorsor omissions Refer toother local practicesor building codesasapplicablefor thecorrect methods tools and materialst...

Page 3: ...3 1 Removing theUnit fromtheSkid witha Forklift 25 3 3 2 Removing theUnit fromtheSkid Using Rigging 26 3 3 3 Moving theUnit totheInstallationLocationUsing PianoJacks 28 3 4 Placing theUnit ona Floor...

Page 4: ...Removing EC FansfromDownflowUnits 88 10 2 5 Removing EC FansfromUpflowUnits 93 10 3 Blower DriveSystem Forward curved Blowers 96 10 3 1 Blower Motor Lubrication 97 10 3 2 Belt Inspection 97 10 3 3 Ele...

Page 5: ...internal components require and receive power even during the Unit Off mode of the controller The factory supplied disconnect switch is inside the unit The line side of this switch contains live high...

Page 6: ...death Installation and service of this equipment should be done only by qualified personnel who have been specially trained in the installation of air conditioning equipment and who are wearing approp...

Page 7: ...ectrical connections periodically and tighten as necessary CAUTION Risk of contact with sharp edges splinters and exposed fasteners Can cause injury Only properly trained and qualified personnel weari...

Page 8: ...on system Prepare and take appropriate steps to manage this possibility Activating reheat during initial start up may burn off particulates from electric reheat elements Before beginning initial start...

Page 9: ...toprevent corrosionofthesystem Consult fluid manufacturer for testing and maintenanceofinhibitors Commercial gradecoolant fluid isgenerally lesscorrosivetothecommonmetalsofconstructionthanwater itsel...

Page 10: ...ipment Donot locateunit directly aboveany equipment that could sustainwater damage Werecommend installing a monitored fluid detectionsystemtoimmediately discover and report coolant fluid systemand con...

Page 11: ...8 9 10 11 12 13 14 15 C W 0 3 8 D C 1 A 1 1 2 3 4 A Table 2 1 CW Model Number Example Digit Description Digits1 and2 UnitFamily CW Liebert CWfloor mounted chilled waterunit Digit3 4 5 NominalCoolingC...

Page 12: ...re Digit11 14 Factory ConfigurationNumber Digit15 ConfigurationCode A Z Standardconfiguration S SFA Table 2 2 CW Model number Digit Definitions continued Not all combinationsofoptionsareavailableonall...

Page 13: ...ntsincluded intheSubmittal Drawingsonpage109 Thefollowing tableliststherelevant documentsby number and title Document Number Title DPN002869 ComponentLocation DownflowModels DPN002868 ComponentLocatio...

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Page 15: ...documentsincluded intheSubmittal Drawingsonpage109 Verify that thefloor islevel solid and sufficient tosupport theunit SeeTable3 3 onpage21 for unit weights Confirmthat theroomisproperly insulated and...

Page 16: ...thFilterPlenums UpflowUnitswithECFans DPN003215 CabinetDimensionalData CW038toCW084 DPN003216 CabinetDimensionalData CW106andCW114 UpflowUnitswithForward curvedBlowers DPN003194 CabinetDimensionalData...

Page 17: ...iltersand adjusting thefanspeed Ondownflowand upflowCW106 and CW114 models left and right end minimum clearancesare0in 0mm except for rear return Avoid installing unitsinanalcoveor at theextremeend of...

Page 18: ...n 1 Field fabricatedductwork 2 Fieldserviceaccessforfilterreplacement Minimumheight 12in 305mm Minimumdistancefromunit 2in 51 mm 3 Service accessdoorforfilterreplacementprovidedinplenum 4 Direct to un...

Page 19: ...eturnfilter box package For ducted applications duct flangesaresupplied ontheblower outlets FollowtheSMACNA Duct ConstructionStandard for single dual or triple blower systems Donot runduct work offthe...

Page 20: ...gs piping schematics and electrical connectiondrawingsfor your systeminSubmittal Drawingson page109 Ifseismic requirementsapply consult your Vertiv representativefor informationabout a seismic rated f...

Page 21: ...5x41x82 2670x1040x2080 106 114 125x40x80 3180x1020x2030 128x41x82 3250x1040x2080 146 181 125x53x80 3180x1350x2030 128x54x82 3250x1370x2080 300 400 125x53x80 3180x1350x2030 128x54x82 3250x1370x2080 Mod...

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Page 23: ...ting organization The center of gravity varies depending on the unit size and selected options The slings must be equally spaced on either side of the center of gravity indicator Shipping weights and...

Page 24: ...nd spreader barsthat arerated for theweight oftheunit Whenusing a forklift or pallet jack Ensurethat thefork lengthissuitablefor theunit lengthand ifadjustable spread tothewidest allowable distancetha...

Page 25: ...he Skid with a Forklift Refer toFigure4 3 onthenext page 1 Aligna forklift witheither thefront or rear sideoftheunit Ensurethat thetinesofthefork lift arelocked tothewidest location Usethecenter ofgra...

Page 26: ...erbaseof unit 3 Removelagboltsandbrackets 4 Liftunitandremoveskid 3 3 2 Removing the Unit from the Skid Using Rigging 1 Usethecenter of gravity indicatorsontheunit panelstodeterminethepositionofthesli...

Page 27: ...sling placement on CW146 to CW400 units Item Description 1 Distancebetweenslingandcenter of gravity markerequaltoitem2 2 Distancebetweenslingandcenter of gravity markerequaltoitem1 3Equipment Inspecti...

Page 28: ...offtheskid toanelevationpoint wheretheskid isnot supporting theweight oftheunit and removetheskid fromunder theunit Item3 Figure 4 5 Moving unit with rigging Item Description 1 Spreaderbarsandriggingo...

Page 29: ...hesitefor installation For locationconsiderations refer toPre installationPreparationand Guidelinesonpage15 Figure 4 6 Moving unit with piano jacks Item Description 1 Placepianojacksoneachendof theuni...

Page 30: ...ofthefloor stand withtheinsideoftheunit framebase NOTE The floor stand for the units equipped with EC fans is not symmetrical Its orientation to the unit is critical for lowering the EC fans Unless th...

Page 31: ...bovetheother Whenever possible thepipesshould berunparallel totheair flow Thepipeconnectionlocations piping general arrangement and schematicsaredescribed inthesubmittal documents included intheSubmit...

Page 32: ...t inwater leakagefromtheunit Donot locatetheunit directly aboveany equipment that could sustainwater damage Werecommend installing monitored leak detectionequipment for thewater supply linesand theint...

Page 33: ...r under theunit toactuatetheshutoffvalves immediately ona leak detectionsignal Theoverflowdrainpanshould havea drainlineconnected toit that flowstoa floor drainor maintenancesink in caseofa shutoffval...

Page 34: ...low and upflow units Item Description 1 Fordownflowunits 2 Forupflowunits 3 Correctdraininstallation 4 Incorrectdraininstallation 5 Internaldrain 6 Externaldrain Table 5 3 Gravity fed Drain Line Figur...

Page 35: ...pped internally Donot externally trap thedrainline Thedrainlinemust berigid enoughthat it doesnot sag betweensupports whichunintentionally createstraps Werecommend installing monitored under floor lea...

Page 36: ...r depletion Thefluid complexity and variationsofrequired treatment programsmakeit extremely important toobtaintheadviceofa competent and experienced fluid treatment specialist and followa regularly sc...

Page 37: ...t topermit routineserviceand emergency isolationoftheunit Install a monitored fluid detectionsystemthat iswired toactivatetheautomatic closureoffield installed coolant fluid supply and returnshut offv...

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Page 39: ...meplate to be sure the voltage matches available utility power The Liebert controller does not isolate power from the unit even in the Unit Off mode Some internal components require and receive power...

Page 40: ...piping and electrical connection to prevent air leakage Failure to do so could reduce the unit s cooling performance Theelectrical and unit to unit connectionsaredescribed inthesubmittal documentsincl...

Page 41: ...allation of cabinet panels Only properly trained and qualified personnel wearing appropriate OSHA approved PPE should attempt to remove or install cabinet panels NOTE Use fans either in their original...

Page 42: ...thefan moduleisremoved 6 Cut and removethecabletiethat holdsthewiring loop totheblower mounting plate All other cabletiesthat routethefanwiring should remainintact 7 Removethe6 1 2 in hex head screws...

Page 43: ...W114 Models Securethefanmoduleinthefully lowered positionby re installing the Z bracket s using theretained hex head screws CW051and CW060models thefanmoduleissecured tothecenter framesupport The Z br...

Page 44: ...Figure 7 2 Lowering EC fans into floor steps 8 through 9 Vertiv Liebert CW Installer User Guide 44...

Page 45: ...all the EC fan s and plenum to the unit only as described in these instructions More than one person may be required to complete the assembly and installation Installer s must be properly trained and...

Page 46: ...pagetoverify plenumparts Refer toTable7 4 onpage49 toverify EC fanparts Plenum Height 24 in 610 mm 30 in 762 mm 36 in 917 mm Unit Description Assembly Number and Weight CW106 114 UnitLength122in 3099m...

Page 47: ...o not include short front and rear panels or channel panels 50 in and 74 in units have only 1 top panel with holes Front discharge units do not include channel frames 50 in units do not include channe...

Page 48: ...gBracket doublepanel 1 12 ChannelFrame 1 or2 13 TopFrameAngleBrace 1 14 PanelMountingBracket singlepanel 1 15 TopFrame 1 16 PlenumBrace 1 Notshown Washer1 4 varies Notshown Bolt1 4 20x 1 varies Notsho...

Page 49: ...7 4 EC Fan Parts and Quantities Compressor plenum Parts Identification Assembly no and weight Plenum size in mm 313202G10 27 lb 11 kg 17 x 24 432x 610 313202G11 30lb 14kg 17 x 30 432x 762 313202G12 33...

Page 50: ...ompressor plenums shorter than 26 in 660 mm include 2 angle mounting brackets and do not include a front panel with quarter turn fasteners Item Description Quantity 1 Front Rearpanel 1 or2 2 Angle mou...

Page 51: ...ng connections are made through the plenum Plan accordingly 1 Apply factory supplied gasket insulationtapetoplenumpanels Figure7 7 onthenext page Onfront solid panelsand onfront and rear grilled panel...

Page 52: ...Figure 7 7 Apply Gasket Insulation Tape Item Description 1 Frontsolid front andrear grilledpanel 2 Rearsolidpanel 3 Sidepanel 4 Gasketing Insulationtape Vertiv Liebert CW Installer User Guide 52...

Page 53: ...screwsasshowninFigure 7 8 below 4 Ifassembling a non grilled plenum attachtheanglealong thetop oftherear panel NOTE Figure 7 8 below shows a non grilled rear plenum as an example If your unit is rear...

Page 54: ...ns on top of unit 1 Lift theassembled plenumpanelsand placeontop oftheunit Figure7 10 onthefacing page NOTE Figure 7 10 on the facing page shows a non grilled rear plenum as an example If your unit is...

Page 55: ...esheet metal screwsintheprovided holestoattachthepanelstothecollar flange Figure7 10 below Figure 7 10 Assembled panels on top of unit Item Description 1 Clamp 2 Sheet metalscrews 6 ECFans and Plenums...

Page 56: ...ow showsa duct lift asoneoptiontolift theEC fanassembly Positionthelifting devicesothat it lines up withtheinstallationlocationoftheEC fanassembly Usethedevicetolift theEC fanassembly just abovethetop...

Page 57: ...bly alignwith thethreaded holesontop oftheunit Figure7 12 below Figure 7 12 Assembly in place on the unit Item Description 1 Mountingholes 6 Usethebolts washersand spacers Figure7 13 below toattachthe...

Page 58: ...7 15 onthefacing page and Figure7 16 onpage60 toroutethewire harnessesand insert themintotheindicated openingsonthejunctionboxes Youmay need toremoveexisting wiretiesthat hold theharnesstothefancage N...

Page 59: ...box between fans 1 and 2 NOTE For the high volt terminal blocks the wire termination torque is 16 20 in lbs Item Description 1 Fan low volt wiring 2 Motor high volt wiring 3 Green Yellowgroundwire 6 E...

Page 60: ...lt wiring 3 Motor high volt wiring 4 Green Yellowgroundwire 6 2 5 Install front panels on plenum Non grilled plenumfront panelsrequireassembly and attachment beforemounting thepanels seeNon grilled an...

Page 61: ...le and double panel plenum attachthepanel mounting bracket using 1bolt and 1washer For double panel plenum attachthepanel mounting bracket using 2 boltsand 2 washers Figure 7 17 Panel mounting bracket...

Page 62: ...raceand 8sheet metal screws connect thetop frametothetop frameextension Figure7 18 below Figure 7 18 Top frame assembly Item Description 1 Topframesattachedwithanglebrace 2 Bottomview Vertiv Liebert C...

Page 63: ...rame Thenumber ofchannel framesvariesdepending onthesizeofplenum Figure7 19 below NOTE The bottom of the channel frame has a longer flange Figure 7 19 Channel frame top attachment Item Description 1 F...

Page 64: ...d use2 sheet metal screwsoneachend For non grilled plenums refer toFigure7 21 onthefacing pageand use2 sheet metal screwsoneach end Figure 7 20 Rear discharge plenum top frame attachment to sides Item...

Page 65: ...Figure 7 21 Non grilled plenum top frame attachment to sides Item Description 1 Frontof plenum 2 Sidepanel 3 Sheet metalscrews 4 Topframe 6 ECFans and Plenums 65...

Page 66: ...tothetop oftheunit using 1washer and 1bolt for each Figure7 22 below Figure 7 22 Channel frame bottom attachment Item Description 1 Bolt 2 Washer 3 Channelframe 4 Bolthole Hexsert 5 Frontof unit Vert...

Page 67: ...23 belowand attachtheplenumbracetothetop frameand therear panel using 2 sheet metal screwsoneachend Figure 7 23 Non grilled plenum plenum brace attachment Item Description 1 Topframe 2 Sheet metalscr...

Page 68: ...nelsusing 9 sheet metal screws Attachthetop panel withholestoside rear and edgeoftheplaintop panel using 15sheet metal screws Attachthetop panelstothetop frameusing 6 sheet metal screws Figure 7 24 Re...

Page 69: ...t panel and theshort solid front panel using thequarter turnfastenersinthepanels Figure 7 25 below Figure 7 25 Rear discharge front panel attachment Item Description 1 Shortfrontpanel 2 Frontpanel 6 E...

Page 70: ...and theshort solid front panel using thequarter turnfastenersinthepanels Figure 7 26 below Figure 7 26 Non grilled front panel attachment Item Description 1 Shortfrontpanel 2 Frontpanel Vertiv Lieber...

Page 71: ...egrilled front panel and theshort grilled front panel Figure7 27 below 2 Attachtheassembled front panelstotheplenumsidesusing 10sheet metal screws 5oneachend Figure 7 27 Front discharge front panel at...

Page 72: ...op panel withholestotop oftheplenumassembly using 39 sheet metal screws Figure7 28 below Figure 7 28 Front discharge top panel attachment Item Description 1 Toppanel withholes 2 Toppanel plain Vertiv...

Page 73: ...pressorsfor proper rotation 7 3 Piping Installation Checks 1 Piping completed tocoolant loop 2 Piping hasbeenleak checked 3 Piping hasbeenflushed toclear debris pipedope and contaminants 4 Piping ispr...

Page 74: ...s 9 Installationmaterialsand toolshavebeenremoved fromequipment literature shipping materials construction materials tools etc 10 Locateblank start up sheet ready for completionby installer or start u...

Page 75: ...have been specially trained in the installation of air conditioning equipment and who are wearing appropriate OSHA approved PPE CAUTION Risk of smoke generation Can cause fire suppression and alarm sy...

Page 76: ...start up Forward thecompleted Liebert CWWarranty InspectionCheck Sheet toyour local salesoffice This informationmust becompleted and forwarded tovalidatewarranty Contact your local salesrepresentativ...

Page 77: ...erridecontrolsand causeequipment damage Symptom Possible Cause Check or Remedy Blowerwillnotstart Nomainpower CheckL1 L2andL3forratedvoltage CheckLiebert CWforunitstatus Stand by UnitOff MonitoringOff...

Page 78: ...3fromthemotor donotshort With24VACpowerfromTRtoTRjumper terminal1 and2onmotortodriveopen Removejumpertodriveclosed if motorfailstowork replaceit Table 10 2 Chilled water troubleshooting Symptom Possi...

Page 79: ...heat Checkmonitorstatus Reheatsafety stat open JumperbetweenterminalsP34 1 andP34 2 If reheatoperates safety isopen Remove jumper Replacesafety Reheatnotoperating contactor pullingin Heaterburnedout T...

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Page 81: ...injury or death Open all local and remote electric power supply disconnect switches and verify with a voltmeter that power is off before working within any electric connection enclosures Service and m...

Page 82: ...ld bechecked monthly and changed asrequired Becausereplacement intervalsvary withenvironmental conditionand filter type eachunit isequipped witha filter clog switch Thiswarnsofrestricted airflowthroug...

Page 83: ...t Evaporator fan modules weigh in excess of 125 lb 56 7 kg Use proper lifting techniques and wear appropriate OSHA approved PPE to avoid injury and dropping the fan module during removal Equipment use...

Page 84: ...any modifications additionsor conversionstothefanassembly without theapproval ofVertiv WARNING Risk of electric shock Can cause serious injury or death Open all local and remote electric power supply...

Page 85: ...it will safely shut down Once the fault condition is cleared there are certain conditions in which the motor will automatically resume operation EC fan Fault Conditions Fault Condition Reset Trigger D...

Page 86: ...Iffusesareblown performthefollowing Check resistancesacrossthephasesat theKL1connector and notetheminthefollowing table NOTE Power wires must be removed from the motor for resistance test L1 L2 Ohm L2...

Page 87: ...10V output onKL3connector between 10V and GND EC fan Alarm Contact Tests Check thealarmcontact at KL2 todetermineifthereareany fault conditionspresent Condition No Fault Condition Fault Condition NO C...

Page 88: ...cabinet or on the fan assembly If control voltage is applied the fan motor can restart without warning after a power failure Do not operate the unit with any or all cabinet panels removed WARNING Ris...

Page 89: ...Figure 11 1 Humidifier pan removal Item Description 1 Humidifierpan 2 Sectionnotshown 3 JackunderraisedEC fanmodule 10Maintenance 89...

Page 90: ...intothefloor stand refer toFigure11 2 belowand beforeremoving any hardware center thefactory supplied jack betweenthetabsonthejack support Figure 11 2 Jack placement to support EC fan module Item Desc...

Page 91: ...ides 4 ZbracketlocationonCW076toCW114 2 Fandeck 5 Wiringloop 3 ZbracketlocationonCW038toCW0060 6 Zbracket 5 Usethejack toraisethefanmoduleslowly until thefanmotor clearsthefront framechannel 6 Insert...

Page 92: ...moduleout throughthefront ofthe unit 9 Toreinstall thefanmodule reversethesesteps Removethefield supplied fan removal devicebeforeresuming operation NOTE Refer to the unit s electrical schematic for s...

Page 93: ...tating before working in the unit cabinet or on the fan assembly If control voltage is applied the fan motor can restart without warning after a power failure Do not operate the unit with any or all c...

Page 94: ...junctionbox Figure11 5 below Figure 11 5 EC fan junction boxes Item Description 1 Junctionbox betweenfans1 and2on2 and3 fanunit 2 Junctionbox for1 or3 fanunit 2 Locatethe6 placeswheretheEC fanassembly...

Page 95: ...Figure 11 7 Bolts washers and spacers on EC fan assembly 6 places Item Description 1 Bolt 2 Washer 3 Spacer 10Maintenance 95...

Page 96: ...r transport toserviceor maintenancearea Figure 11 8 EC fan assembly moved onto lifting device 10 3 Blower Drive System Forward curved Blowers Periodic checksoftheblower packageincludethebelt motor mou...

Page 97: ...tootight 10 3 3 Electronic Variable Speed Drive Inverter Anoptional variable speed driveisavailable Thispackaged unit isfactory set and should not requirefield adjustment If yoususpect a problemwithth...

Page 98: ...isolate power from the unit even in the Unit Off mode Some internal components require and receive power even during the Unit Off mode of the controller The factory supplied disconnect switch is insi...

Page 99: ...ifier Lamps NOTE Touching quartz lamps with bare hands will severely shorten bulb life Skin oils create hot spots on lamp surface Wear clean cotton gloves when handling lamps ThelampsareshowninFigure1...

Page 100: ...nd remote electric power supply disconnect switches and verify that power is Off with a voltmeter before working within the condensate pump electrical connection enclosure The Liebert iCOM does not is...

Page 101: ...evaluate fluid chemistry and apply necessary treatment Thecomplexity ofwater glycol solutionconditionproblemsand the variationsofrequired treatment programsmakeit extremely important toobtaintheadvic...

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Page 103: ...may need tobemorefrequent based onsite specific conditions Reviewtheunit user manual for further informationonunit operation Werecommend theuseoftrained and authorized servicepersonnel extended servic...

Page 104: ...k wireconnections insidereheat box 3 Reheat amp draw L1 L2 L3 L1 L2 L3 Infrared Humidifier if equipped 1 Check drainlinesand trap for damage clogs leaks 2 Check Cleanpanfor mineral deposits 3 Cleanref...

Page 105: ...2 Check contactorsfor pitting Replaceifpitted 3 Check Re torquewireconnections 11 PreventiveMaintenanceChecklist 105...

Page 106: ...iesfor your records Comparereadings informationtopreviousmaintenanceworksheet Tolocateyour local Vertiv representativefor Vertiv engineered parts check https www Vertiv com en us support or Call 1 800...

Page 107: ...8 Liebert Thermal Management Products 1 800 543 2778 Liebert Channel Products 1 800 222 5877 Liebert AC and DC Power Products 1 800 543 2378 A 2 Locations United States Vertiv Headquarters 1050Dearbor...

Page 108: ...Vertiv Liebert CW Installer User Guide 108 Thispageintentionally left blank...

Page 109: ...andCW400withFilterPlenums PlanningDimensions UpflowUnitswithECFans DPN003215 CabinetDimensionalData CW038toCW084 DPN003216 CabinetDimensionalData CW106andCW114 PlanningDimensions UpflowUnitswithForwar...

Page 110: ...DPN002034 ConnectionLocations CW075toCW084 DPN001628 ConnectionLocations CW106andCW114 DPN001693 ConnectionLocations CW146andCW181 DPN002434 ConnectionLocations CW300andCW400 PipingConnections UpflowU...

Page 111: ...2 2 WAY CHILLED WATER RETURN 112 1 2 2858mm 31 787mm CW106 2 1 8 CW114 2 5 8 CWR 3 3 WAY CHILLED WATER RETURN 115 1 2 2934mm 22 559mm CW106 2 1 8 CW114 2 5 8 E1 ELECTRICAL CONN HIGH VOLT 35 889mm 31 7...

Page 112: ...out inside unit end compartment for field connection through 2 5 8 x 10 3 4 66 x 273mm opening as shown Piping may also exit through bottom or top of end compartment by field cutting an opening in a s...

Page 113: ...nt by field cutting an opening in a suitable location A Chilled Water Supply Line 2 5 8 O D CU on 3 way front return units only 1 4 OD CU Humidifier Water Supply Line UNIT LEFT END PANEL 1 25mm REAR P...

Page 114: ..._ 1 1 2 38mm LEG SUPPORT SUPPLIED ON 18 21 24 HIGH MODELS 33 838mm 56 3 4 1441mm CROSS BRACING LOCATION FOR 72 FRAMES ONLY 62 1574 8mm 48 1219 2mm 72 1828 8mm 97 2463 8mm 1 Notes 1 Leveling feet are p...

Page 115: ...ATION B C A LEG SUPPORTS SUPPLIED ON 18 21 24 HIGH MODELS AIR DISCHARGE OPENING G ELECTRICAL OPENING F 120 3048 0 mm 1 Height in mm H Nominal 9 229 12 305 15 381 18 458 21 553 24 610 CW106 CW114 122 3...

Page 116: ...117 2972mm 37 940mm 3 1 8 2 WAY CHILLED WATER RETURN 117 2972mm 30 762mm 3 1 8 3 WAY CHILLED WATER RETURN 117 2972mm 30 762mm 3 1 8 E1 ELECTRICAL CONN HIGH VOLT 113 2870mm 43 1092mm 2 E2 ELECTRICAL C...

Page 117: ...INE 73 7 16 1865mm 31 7 16 799mm 1 4 6mm O D Cu CHILLED WATER PIPING SLOT CENTER 91 3 8 2321mm 31 3 8 797mm 101 5 16 277mm X 2 15 16 74mm SUPPY RETURN PIPING DIAMETER 2 1 8 54mm HV HIGH VOLT ELECTRICA...

Page 118: ...SLOT CENTER 66 1 2 1690mm 31 1 4 794mm 11 279mm X 3 76mm CW051 1 5 8 41mm CW060 2 1 8 54mm HV HIGH VOLT ELECTRICAL CONNECTION 59 1 2 1512mm 29 3 4 756mm 3 76mm LV LOWVOLT ELECTRICAL CONNECTION 59 1 2...

Page 119: ...CENTER 43 7 16 1104mm 31 5 8 803mm 9 229mm X 2 1 2 64mm CW038 1 3 8 32mm CW041 1 5 8 41mm HV HIGH VOLT ELECTRICAL CONNECTION 37 7 16 951mm 2 1 2 64mm LV LOW VOLT ELECTRICAL CONNECTION 35 7 16 900mm 7...

Page 120: ...blowers will not lower into the floorstand 4 Jack and jack support are shipped loose and are intended to be placed into position under each fan and utilized to lower or raise that fan as needed 5 Leve...

Page 121: ...WATER SUPPLY 2 WAY CHILLED WATER RETURN 3 WAY CHILLED WATER RETURN 2 WAY CHILLED WATER RETURN 3 WAY CHILLED WATER RETURN E1 9 229mm E2 12 305mm LV1 11 279mm LV2 9 1 2 241mm LV3 8 203mm 3 1 8 2 7 8 12...

Page 122: ...w Optional EC Fan Configuration Rear View 1 iCOM Control Display 2 Electric Box 3 Filters 4 Coil 5 Motor 6 Blower 7 Fan Pulley 8 Motor Sheave Belts 9 Infrared Humidifier optional 10 Reheat optional 11...

Page 123: ...ION LIEBERT CW Front View 3 6 Rear View 1 iCOM Control Display 2 Electric Box 3 Filters 4 Coil 5 Infrared Humidifier optional 6 Reheat optional 7 Disconnect 8 Condensate Pump optional 9 EC Fans 10 Smo...

Page 124: ...critical for lowering the EC fans Unless the floor stand is installed in the correct position the blowers will not lower into the floor stand 4 Jack and jack support are shipped loose and are intended...

Page 125: ...S 72 1829mm 72 1829mm 9 229mm F OVERALL FRONT OF UNIT FRONT OF UNIT FRONT OF UNIT SHADED AREA INDICATES A RECOMMENDED CLEARANCE OF 36 914mm BE PROVIDED FOR COMPONENT ACCESS AND FILTER REMOVAL ON ALL C...

Page 126: ...R MODEL DIMENSIONAL DATA inches mm NET WEIGHT lbs kg A B C D E F G H J K 33 838 34 3 4 883 32 813 94 2388 2 88 73 SHADED AREA INDICATES A RECOMMENDED CLEARANCE OF 36 914mm BE PROVIDED FOR COMPONENT AC...

Page 127: ...9 2515 1 50 1270 72 1289 97 2464 70 1778 95 2413 48 1219 46 1168 68 1727 86 2184 6 50 165 44 1118 3 76 4 102 5 127 20 508 18 457 5 127 18 457 14 3 4 375 18 5 8 473 2 51 15 7 8 403 1 25 18 5 8 473 11 2...

Page 128: ...NUM FLANGE 76 1930mm 33 838mm BASE 120 3048mm BASE MODELS WITH REAR RETURN 1 DUCT FLANGE FOR PLENUM ALIGNMENT FLANGES PROVIDED ON BLOWER OUTLETS FOR SUPPLY AIR DUCTING FILTER ACCESS BOTH ENDS SHADED A...

Page 129: ...c service connection terminals when factory disconnect switch is supplied Factory installed disconnect switch May be fused disconnect with internal fuses Three phase electric service not by Liebert El...

Page 130: ...ounding wire Three phase connection 60Hz Electric service connection terminals when factory disconnect switch is NOT supplied Three phase connection Electric service connection terminals when factory...

Page 131: ...2 3 8 60 Model A B C D E F CW038 CW041 50 1270 46 1168 44 1118 3 76 4 29 40 CW051 CW060 74 1880 70 1778 60 1524 7 178 5 85 54 CW076 CW084 99 2515 95 2413 70 1778 14 1 2 368 6 83 63 Grill Free Area Sq...

Page 132: ...openings and front grills are shown See specification sheet for specific application A E J 18 457mm F G H L Note Flanges provided on blower s outlet for supply air ducting when solid panel plenum is...

Page 133: ...d 1 25mm 3 The floor stand used with EC units is not symmetrical and its orientation to the Liebert CW is critical for lowering the EC fans Unless the floor stand is installed in the correct position...

Page 134: ...16 8mm Bezel 48 1219mm 24 610mm 117 11 16 2989mm Opening MODEL DRY WEIGHT lbs kg CW146 CW181 2520 1143 Notes 1 Striated area indicates the recommended minimum clearance to be provided for component ac...

Page 135: ...tical for lowering the EC fans Unless the floor stand is installed in the correct position the blowers will not lower into the floor stand 4 Jack and jack support are shipped loose and are intended to...

Page 136: ...tation to the Liebert CW is critical for lowering the EC fans Unless the floor stand is installed in the correct position the blowers will not lower into the floor stand 4 Jack and jack support are sh...

Page 137: ...on to the Liebert CW is critical for lowering the EC fans Unless the floor stand is installed in the correct position the blowers will not lower into the floor stand 4 Jack and jack support are shippe...

Page 138: ...18 457 10 14 94 GRILL FREE AREASQ FT SQ METERS PLENUM DIMENSIONAL DATA in mm NOTE TOP DUCT FLANGES ON PLENUM TOP FOR SUPPLY AIR DUCTING WHEN SOLID PANEL PLENUM IS USED BOTH TOP DUCT OPENING AND GRILL...

Page 139: ...46 1168 2 51 4 29 40 CW051 CW060 74 1880 70 1778 62 1575 6 152 5 85 54 CW076 CW084 99 2515 95 2413 70 1778 14 1 2 368 6 83 63 GRILL FREE AREASQ FT SQ METERS PLENUM DIMENSIONAL DATA in mm 34 864 32 81...

Page 140: ...DED MINIMUM CLEARANCE REFER TO THE INSTALLATION MANUAL SEE DPN003214 FOR PLENUM CLEARANCES 72 1829mm 75 1 4 1911mm EC FAN TERMINAL BOX 3 4 19mm LEFT SIDE DETAIL VIEW WITHOUT PLENUM OR EC FANS SUPPLYAI...

Page 141: ...m C B A D REAR AIR RETURN MODEL RETURN AIR OPENING BOTTOM VIEW 33 838mm 31 787mm F E FRONT OF UNIT BOTTOM AIR RETURN MODEL CW038 CW041 CW051 CW060 CW076 CW084 CHILLED WATER MODEL A 44 1118 68 1727 86...

Page 142: ...HEN SOLID PANEL PLENUM IS USED 1 25mm 76 1930mm 79 1 4 2013mm EC FAN TERMINAL BOX LEFT SIDE DETAIL VIEW WITHOUT PLENUM OR EC FANS FRONT AIR RETURN MODEL SHOWN SUPPLYAIR GRILLE DISCHARGE TOP DISCHARGE...

Page 143: ...EV4 CABINET DIMENSIONAL DATA LIEBERT CW 24 1 4 616mm 2 1 4 57mm 117 1 2 2984mm RETURN AIR DUCT CONNECTION DATA MODELS WITH REAR RETURN SHADED AREA INDICATES A RECOMMENDED CLEARANCE OF 25 635mm BE PROV...

Page 144: ...rstand and fan service clearance Filters are removed by removing front panel of the plenum Striated area indicates the recommended minimum clearance to be provided for component access 1 25mm 45 1143m...

Page 145: ...e floor additional modifications are required to relocate customer connections Contact your local Liebert Sales Representative H W 2 51mm 3 76mm 48 1219mm AIR DISCHARGE OPENING 72 1829mm 50 1270mm 33...

Page 146: ...g A B C D E F G CW051 1220 553 CW060 1250 567 CW076 1440 653 CW084 1540 690 DIMENSIONAL DATA inches mm CHILLED WATER MODEL 72 1829 97 2464 74 1880 99 2515 70 1778 95 2413 30 1 764 41 9 1064 2 51 8 203...

Page 147: ...29 7 8 757mm 30 1 8 765mm Notes 1 Filters are accessible from front of unit only 2 Customer piping and wiring connections a Standard bottom connections require unit to be placed on a minimum of a 9 f...

Page 148: ...G 3 1 4 83mm 1 1 2 38mm 30 11 16 779mm 27 9 16 700mm 29 1 2 749mm 18 13 16 478mm TYP 3 PLACES AIR DISCHARGE OPENING AIR DISCHARGE OPENING AIR DISCHARGE OPENING 1 1 2 38mm 3 1 4 83mm TOP VIEW FRONT VIE...

Page 149: ...r Flow Chilled Water Coil 2 WAY VALVE Chilled Water Supply Chilled Water Return Off Valves Bibs 2 Way Chilled Water Valve Air Flow Chilled Water Coil FACTORY PIPING FIELD PIPING 3 WAY VALVE A C B A C...

Page 150: ...TB3 P71 P72 P74 P64 E5 P67 P66 P11 P12 P21 P20 P13 P7 P76 P95 P100 P75 2 RS485 ETHERNET SITE AND BMS COMMUNICATION CONNECTIONS iCOM MICROPROCESSOR AND I O BOARD ETHERNET CABLE FIELD SUPPLIED TB3 P 2 D...

Page 151: ...P13 P7 P76 P95 P100 P75 2 iCOM MICROPROCESSOR AND I O BOARD TB3 P71 P72 P74 P64 E5 P67 P66 P11 P12 P21 P20 P13 P7 P76 P95 P100 P75 2 iCOM MICROPROCESSOR AND I O BOARD NOTE For dual unit network confi...

Page 152: ...kouts on bottom of electric box Knockouts sizes 1 3 8 35mm or 1 3 4 45mm or 2 1 2 64mm Electrical handy box factory installed with cover Common alarm connection Field supplied 24V Class 2 wiring to co...

Page 153: ...high voltage wiring Secure wiring to prevent damage and use bushing or edge guard to avoid sharp edges Remove knockouts to access control board P64 1 To provide unit to unit U2U networking the custom...

Page 154: ...on sensor trouble indication This smoke sensor is not intended to function as or replace any room smoke detection system that may be required by local or national codes Customer alarm connections Fie...

Page 155: ...ing Secure wiring to prevent damage and use bushing or edge guard to avoid sharp edges Remove knockouts to access control board Top Entrance Electric Box Bottom Coil Support Frame Unit Bottom Bottom E...

Page 156: ...93 NC Supervised contacts 80 81 open on sensor trouble indication This smoke sensor is not intended to function as or replace any room smoke detection system that may be required by local or national...

Page 157: ...Main Fuses 3 Ground Current Detector 4 50Hz Reheat Contactors Backup Reheat Contactor Humidifier Contactor Main Fan Contactor T1 Transformer CPAR Relay Remote Humidifier Relay Liquitect Shutdown Relay...

Page 158: ...er Fuses Fan Transformer Fuses B Voltage Only T6 Transformer EM1 Relay Filter Clog Switch Liquitect Shutdown Relay Remote Humidifier Relay Humidifier Contactor Backup Reheat Contactor Reheat Contactor...

Page 159: ...24V Class 1 wiring to Common alarm connection Field common alarm pigtails 75 76 NOTE Refer to specification sheet for full load amp and wire size amp ratings Smoke detector alarm connections Field sup...

Page 160: ...Low Voltage Communication Wiring CAT5E Ethernet connections field installed Avoid routing near high voltage wiring Secure wiring to prevent damage and use bushing or edge guard to avoid sharp edges Re...

Page 161: ...field supplied 24V Class 2 wire having a minimum 50VA rating Use 37 38 with normally closed switch jumper between terminals Replace existing A Detail A 37 38 24 50 91 92 93 51 55 56 75 76 94 95 96 97...

Page 162: ...h voltage wiring Secure wiring to prevent damage and use bushing or edge guard to avoid sharp edges Remove knockouts to access control board Top Entrance Electric Box Bottom Coil Support Frame Unit Bo...

Page 163: ...alve Actuator A B C Bleed Valve 3 Way Chilled Water Valve Air Flow Chilled Water Coil 3 WAY VALVE Chilled Water Supply Chilled Water Return Shut Off Valves Hose Bibs Valve Actuator 2 Way Chilled Water...

Page 164: ...Bleed Valve 3 Way Chilled Water Valve Air Flow Chilled Water Coil 3 WAY VALVE Chilled Water Supply Chilled Water Return Shut Off Valves Hose Bibs Valve Actuator 2 Way Chilled Water Valve Bleed Valve...

Page 165: ...L DATA LIEBERT CW C H B A D C D 2 50mm 25mm 1 1 25mm 2 50mm 25mm 1 25mm 1 50mm 2 Plenum Height in mm H 20 508 22 3 4 578 34 3 4 883 Model A B C D CW038 CW041 50 1270 46 1168 CW051 CW060 74 1880 70 177...

Page 166: ...DATA LIEBERT CW DOWNFLOW MODELS CW106 CW114 W EC FANS C D H B 1 25mm 1 25mm 1 25mm 2 51mm C D 2 51mm Flange must be specified on Downflow Models A 2 51mm 1 25mm Plenum Height in mm H 20 508 22 3 4 578...

Page 167: ...Vertiv Liebert CW Installer User Guide...

Page 168: ...Allothernamesandlogosreferredtoaretrade names trademarksorregisteredtrademarksof theirrespectiveowners Whileevery precautionhasbeentakentoensureaccuracy andcompletenessherein Vertiv GroupCorp assumes...

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