Water Cooled Flooded Chiller - Surplus Group · Aimed at providing the absolute best balance of chiller turn down versus pump power consumption, MagLev heat exchangers were designed

Water Cooled Flooded ChillerProduct Data Catalog

For Modules sized from 60 Tons to 600 Tons

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Introduction................................................................................................................................................ 3MagLev™.Chiller.Overview.................................................................................................................... 6Controls.......................................................................................................................................................10Available.Sizes..........................................................................................................................................15Performance.Data...................................................................................................................................16Evaporator.Data.......................................................................................................................................17Condenser.Data.......................................................................................................................................18Model.Overview......................................................................................................................................19Electrical.Data...........................................................................................................................................21MagLev™.Centrifugal.Product.Specification.................................................................................22About.Multistack®...................................................................................................................................29

Table of Contents

Model Number NomenclatureExistingMS300 F 1 L 2 W 2 H 1 R134a

NewMS 0300 F C/N 1 L 2 W 2 H 1 A A 1 1 -134a

FrameStyle(1,2,3or4)

AHRICertified(C-certified,N-Notcertified)

Series

ModuleNominalCapacity(upto4digits)EvaporatorType(FforFlooded)

ShellLength(S-6foot,L-12foot)

Numberofevaporatorwaterpasses

CondenserType(Wforwatercooled,R-remoteaircooled,E-remoteevapcooled)

NumberofcondenserwaterpassesVoltage(H-460/3/60,Cfor575/3/60,Efor400/3/50)

VersionnumberofAHRICertificationEvaporatortubetype1

CondenserTubeType2

Evaporator(entering)3

Condenser(entering)4

Refrigerant

1A-B4copper,B-B4Cu-Ni,C-B5copper,D-C5Cu-Ni,V-other2A-C4copper,B-C4Cu-Ni,C-C5copper,D-C5Cu-Ni,V-other31-Standardwaterboxleft,2-Standardwaterboxright,3-Marinewaterboxleft,4-Marinewaterboxright41-Standardwaterboxleft,2-Standardwaterboxright,3-Marinewaterboxleft,4-Marinewaterboxright

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MagLev Water-Cooled Flooded

3

In a world that confuses real technology with trendy gadgets, product quality can only beviewed—andverified—withmeasuredperformance.Multistack®MagLev®floodedchillers

have been built from the ground up to be the industry standard in performance, reliability,redundancy and serviceability for oil free chiller technology. Simply put…MagLev floodedchillersbringhigh-definitionclaritytoaconfusedworld.

With over 20 years of successfully designing, patenting and producing industry leadingmodularchillers,thedevelopmentteamatMultistacksetoutonanextensive2½yearproject.Theresultwasthecreationofarevolutionarynewfamilyofenergyefficient,technologicallysuperiorchillersknownastheMaglevFloodedChiller lineandthenewindustrystandardincontrols,FlexSys.

Ashiftintheairconditioningindustryfocusfrominefficient,constant-volumeairdistributiontoenergysavingvariable-volumeairflowrevealedaneedtoseekthreespecificsthattheMagLevchillerdiversityisbasedupon.

1. EnergyDiversityMagLevcompressorsattainoptimumefficiencywhileoperatingatpartload.Thiscreatesanoperationalstrategytorunmultiplecompressorsatpart-load—foraslongaspossible--toachievethelowestKw/Ton.Ascoolingloadsdecline,theMultistackFlexSyscontrolleradaptstothelowestKw/Tonstrategyincludingshuttingdowncompressorstomeetcoolingrequirements.Thisproprietaryadaptivecontrollogicallowsa450tonchillertoprovideaslittleas40to50tonsofoff-hourcoolingat.33kW/Ton.EnergyDiversityistheabilitytoutilizemultiplecompressorstofunctionatpart-loadonoversizedshells.Thisabilitymatchesandoptimizespart-loadperformancetomeetbuildingdemandsallday—notjustduringpeakuse.

2. FunctionalDiversityRedundancyinachillersystemisimportant—butoftenoverlookedduetocostrestraints.Forthefirsttimeintheworldoffloodedchillers,multipleMagLevcompressorsmountedonacommonshellnowoffersanewformoffunctionaldiversitypreviouslybeyondthebudgetconsiderationsofmostcoolingprojects--redundancy.IfasinglecompressorfailsonaMagLevfloodedchiller,theothercompressorsstillrunandprovidecooling.Additionally,traditionallargetonnagecentrifugalsbecomeincreasinglyinefficientbelow50%capacity.Thestandardfixistheinstallationofacostly,fairlyinefficientafterhourschiller.MagLevfloodedchillersaredesignedwithmultiple,VFDDrivenMagLevcompressorsthatcosteffectivelyandefficientlyprovidethefunctionaldiversityofaafterhourschiller--withoutcostofaseparatesystem.

3. OperationalDiversityHereareseveraloperationaladvantagesthatarecreatedbyachillerthatincorporatesmultipleMagLevcompressors:

•In the unlikely event of a compressor failure the othercompressorswill continuetooperateuntil thedownedunitisreturnedtoservice.

•Temporarycoolingrentalsnecessitatedwhenalargetonnagemachine fails can almost be eliminated by the built-inredundantdesignofMagLevfloodedchillers.

•Ifacompressordoesfailandneedstobereplaced,itcanbeaccomplishedbytwo(2)technicianswithoutthenecessityoflargecranesorotherspecializedriggingequipment.

•Maintenance routines are simplified and easily completedwithout system shutdowns. Individual compressors can beshut down for maintenance without requiring the entiresystemtogooffline.

AHRICertified(C-certified,N-Notcertified)

INTroduCTIoN

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Theemerginggreeneconomydemandsthatwefocusonenergyefficiencyandprotecttheenvironmentwhiledramaticallyreducingourcarbonfootprint.Multistackisleadingthewaytoabettertomorrowthroughtechnicaladvancesavailabletoday.

3-LoadBalancingValveonEachCompressor4-LiquidLevelSensorwithSightGlass6-AdvancedHeatExchangers7-First-In-ClassElectricalEnclosures8-SinglePointofElectricalConnectionforChiller9-BussBarPowerDistribution

10-IndividualBreakersforEachCompressor11-IsolatedControlPowerFeedsforIncreasedSafety13-CompressorHubSystem14-FlexSysControlSystemwith15”TouchScreen15-UnitMountedDisconnect16-LiftingFrame(optional)

15

16

8

9

11

1410 10 10

4

7

6

13

3Long Shell

INTroduCTIoN

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1-Oil-FreeMagLevCentrifugalCompressors2-IsolationValvesonEachCompressor5-DualElectronicExpansionValvesStandard

12-FactoryMountedDifferentialPressureTransmitters16-LiftingFrame(optional)17-FlangeConnections(optional)

1

16

17

12

2

5

Short Shell

INTroduCTIoN

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Thedrawingsonthispageareforpointofreferenceonly.Jobspecificdrawingswillbecreatedasordersareplaced.

60 - 450 ToN ChILLEr draWINg

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106”

931/2” ECW

LCW

701/2”

161/8”

145/8”

287/8”

179/16” 37

7/8”

Thedrawingsonthispageareforpointofreferenceonly.Jobspecificdrawingswillbecreatedasordersareplaced.

36”.Min..to.w

all,.42”.Min..to..m

etal

Typical..even.pass.diagram.

500 - 600 ToN ChILLEr draWINg

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Oil-Free MagLev Centrifugal Compressors-

The direct result of aerospace and industrial technologies converging with advanced digitalcontrols to provide a light weight, mechanically robust two-stage centrifugal compressor.Thistechnology allows for industry leading energy efficiency, reliability, and redundancy throughthe use of multiple smaller compressors on a common refrigerant circuit. Compressors featureapatentedmagneticbearingsystemthateliminatesvibrationwithonlyonemajormovingpart.Thisdesignleadstoultraquietoperationwithsoundlevelsaslowas70DBA.

Isolation Valves on Each Compressor-

Withmultiplecompressorsonasinglerefrigerantcircuit,itdoesn’tmakesensetorecovertheentirerefrigerantchargeforservice.Eachcompressorisequippedwithanindividualdischarge,suctionandmotorcoolingservicevalve.Thisallowscompressorisolationforserviceormaintenance,ifrequired.

Discharge Service Valve Suction Service Valve Motor Cooling Isolation Valve

Load Balancing Valves on Each Compressor-

ByaddingaLoadBalanceValvetoeachcompressor,thereisnoneedforadedicatedlead/lagsequenceonthecompressors.StartingsequenceforcompressorstakessecondsasopposedtominutesthroughtheuseoftheloadbalancevalvesandproprietaryFlexSysAdaptiveStartLogic.Threebenefitsofthisdesignare:

1. Eliminates faultscausedbyshaft instabilityduetostartingagainstelevatedheadpressuresorlackofrefrigerantflow.

2. Eliminatesanythermallagcausedfromthechillerunloadingtostartadditionalcompressors.

3. Decreasesenergyconsumptionbecauselagcompressorstartingwillnotcauseapowerspike.

UnloadingisimprovedastheLoadBalanceValveworksinconjunctionwiththecompressortoextendthecompressorsoperatingenvelope.Thisallowsforlowerminimumcapacitieswhichhelpinlowloadorcriticalapplicationssuchasprocesscooling.

Condenser Liquid Level Sensor-

AllMultistackMagLevfloodedchillersareequippedwithacondenserliquidlevelsensor.Inaddition,thereisasecondsightglasslocatedonthesideofthelevelsensor,mountedoffthecondenser.Thecanisterhasafulllengthsightglassprovidingawindowforthetechniciantoseewhatishappeningwithliquidsandensurepropersystemoperation.

ChILLEr ovErvIEW

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Dual Electronic Expansion Valves Standard-

All Multistack MagLev chillers with multiple compressors feature two electronic expansion valves for maximumredundancy and reliability.This feature allows the chiller to run on one or two valves to always meter the properamountofrefrigerant.Byusingelectronicvalvesinconjunctionwithlevelcontrol,MagLevchillersareabletounloadfurtherthanchillerswithonelargeEXV,TXVs,ororifices.

Advanced Heat Exchangers-

Aimed at providing the absolute best balance of chiller turn down versus pumppowerconsumption,MagLevheatexchangersweredesignedtoprovidecustomerswithexceptional4:1watersideturndown.AllMagLevheatexchangersareselectedineachsizerangetooptimizethechillerswatersideperformance.Thisallowsforgreat versatility with all pumping configurations. MagLev heat exchangers areoffered inavarietyofpassconfigurationsandshell lengthstomeetyourspecificapplicationneeds.

100% Oil Free Design-

ThroughextensivelaboratorytestingandastudydonebyASHRAE,ResearchProject601, itwasconcludedthatoilhasverycostlyconsequenceswhichleadtoenergyinefficiencybecauseofoilloggingintheheatexchangers.Largecentrifugalchillersthatuseoilhavehigheroperatingandmaintenancecostsduetorequiredannualservice(oilchanges,oilsamples,oilfilters,leaks)andtheuseofsumpheaters.Inaddition,oilloggingdramaticallyaffectschillerperformanceoverit’slifetime.

Environmentally Friendly R-134A–

Withtheproclamationof theMontrealProtocol, refrigerantssuchasR-11andR-22wereassignedscheduledphase-outdatesduetotheirhighozonedepletionfactors—newequipmentcannolongerbeproducedwiththese refrigerants. Currently, R-134A has no phase out date, is considered a green refrigerant and is used inMagLevChillers.

0 5 10 15 20 25

10987654321

2.9

17.8

16.7

9

12.7

17.9

2.1

16.9

22.9

4.9

rand

om Ch

iller

s Sur

veye

d

% of oil in System

ChILLEr ovErvIEW

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First-In-Class Electrical Enclosures-

All enclosures on Multistack MagLev Flooded Chillers are UL listed. Featuresinclude: fully vented, louvered panels with FlexSys controlled cooling fansfor maximum energy efficiency. A modular panel design provides simplistictrouble shooting, voltage separated cabinets for maximum resistance totransientvoltages,EMInoiseandincreasedsafety.

Buss Bar Power Distribution-

AllMagLevfloodedchillersutilizeacopperbussbarsystemforeaseofconnection.Thisallowsthehighvoltageforeachpowerpaneltobeinlinewiththebussandisolated.Also,iteliminatesusingmultipleelectricalenclosuresaspullboxes.BussbarshavealsobeenfoundtobemoreresistanttoEMInoise.

Individual Breakers-

The need to isolate each compressor with individual breakers, while allowing other compressors tooperate,onlymakessense.Thisprovidesforbetterserviceabilityandredundancy.Ninety-fivepercentofallMagLevFloodedchillersintheworldtodayarebuiltusingmultiplecompressors.

Single Point Of Electrical Connection-

FieldinstallationtimeisdecreasedbyMagLevsinglepointelectricalconnectiondesign.Chillermountedbreakerisoptionalandcanbespecified.

ChILLEr ovErvIEW

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Factory Mounted Differential Pressure Transmitters-

AllMultistackMagLevchillerscomewithfactoryinstalleddifferentialpressuretransmittersontheevaporatorandcondenser.Thetransmittersareplumbedandwiredintothecontrolsystemtodecreasefieldinstallationrequirements.Flowtransmittersareusedforprotectioninplaceofflowswitches,whichcanflutterwhenusedinvariableflowapplicationsandcausingnuisancetrips.Thetransmittersarealsousedtohelpdeterminerealtimechillerperformance.

Isolated Control Power Feeds-Highvoltagecomponentsareisolatedfromallcontrolcomponentsforincreasedsafetyduringservice.Thisfeaturepreventselectricalinterferencefromthehighvoltageelectricaltothesystemandcompressorcontrols,whichincreasesreliability.

Compressor Hub System-

The FlexSys Hub System isolates all compressor communication, interlocks, and safetieslocallywithineachcompressor.Thisfeatureallowsforprecisecontrol,maximumredundancy,andefficient real timecommunicationtoeachcompressor throughanEthernetconnection.Availableinthefirstquarterof2010,eachhubwillfeatureasmallmicroprocessorthatwillactasabypasstoeachcompressorforredundancyusuallyreservedformissioncriticalapplications.

FlexSys Control System with 15” Touch Screen-

At the heart of every MagLev chiller is the FlexSys control system with a 15” touch screen.With the mostadvanced technology found in the HVAC industry, FlexSys opens a whole new world of compressor control,chillercontrol,andsystemcontrol.PleaseseethecontrolsoverviewonPage10foradditionalinformation.

ChILLEr ovErvIEW

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Features—SoftwareTheMagLev™FlexSysControllerincludestheseuniquesoftwarefeatures:

• Controlofuptoeight(8)MagLevcompressorsofvaryingcapacitiesusingeithersingleormultiplecircuits.• On-siteindividualcompressorandsystemfinetuningusingtheMagLev™FlexSystouch-screendisplaypanel.• ProprietaryMagLev™FlexSysoptimizationlogicmaintainsenergybalancesforallsystemsmaximizingenergyandoperationalperformance.• Two(2)yeardatalog,trendgraphinginfive-secondintervals,andexportable.jpgor.csvimages.• Faultloggingfeaturesacalendarmodewiththeabilitytosortbyalarmtype,timestamporbyindividualcompressor.• MagLev™FlexSyscanbereconfiguredviathetouch-screenforcustomsystemintegrationbetweenthechillerandthebuilding.• MagLev™FlexSysfeatureson-boardmanuals,wiringdiagramsandsupportdatathatareallaccessiblethroughthetouch-screenpanel.• Built-inwebinterfaceprovidesfullremotecontrolincludingfaultnotificationviae-mail.• On-boardDTCsoftwareeliminatestheneedforaservicetechniciantocarryaportablecomputingdevice.• FullBASconnectivityincludingModbus®,BacNet®andLon®.• MagLev™FlexSyscontrollercanmanageupto24electronicexpansionvalves.EXVcontrolisintegratedintosystemI/Otoeliminate

additionalhardware• FlexSysSystemcansaveandrecallallofthechillersettingsthathavebeenprogrammed.• WindowsOperatingSystemcanfailandthechillerwillcontinuetorunonbuilt-inredundantsoftware.

Features—HardwareMultistack®selectedhigh-end,fail-safehardwarefeatures:

• Windowsbased,on-boardhighresolutionPCformaximumreliabilityandperformance• Dualdrivedesigninsuresredundancy,reliabilityandeliminatestheneedforpartitioning.• Driveshavenomovingparts,eliminatingthepossibilityofmechanicalfailure.• 15-inchtouch-screendisplayhas1024x768resolutionandaninterfacethateliminatestheneedforon-sitelaptopconnectivity.• DCPowerensuresmaximumresistancetoon-siteEMIandRFInoise.• On-boardindustrialgradebatteryback-upforpoweroutageprotection.• ModularI/OdesignsimplifiestroubleshootingbyutilizingLEDindicatorsforallinputsandoutputs• Wiringusesspringcapturetechnologytoassurepositiveconnectionsandeliminatetraditionalterminalblocks.• MagLev™HubSystemprovidesdedicatedEthernetcommunicationtoallsystemcompressorsensuringfast,reliablecommunication.

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ThesoftwareintheFlexSyscontrolsystemworksinconjunctionwiththecompressorhubscreatingthenextgenerationofchillercontrol.MostcontrolsystemslookatleavingwatertemperaturewithasinglePIDloopandconvertthisintoasingledemandsignalthatisappliedtoallcompres-sors.Thisaffectsloadingcharacteristicsofthechiller,thatcaneitherbetooslowortoofast.Tooslowcancreatethermallag,whicheventuallyforcesachillertoloadhardertocatchthesetpointofthechilledwaterloop.Toofastcausesarubberbandeffectwherethechillerloadsveryaggressively,becomesunstable,andultimatelyforcesthechillertounloadrapidlyonceyouhavemadesetpoint.Thistypeofcontrollogiccancreateamperagealarmsandfaults,suctionalarmsorfaults,highpressurealarmsorfaults,andenergyspikes.Thiscanaffectthechiller’sreliability,energyeffi-ciency,andoverallperformanceinthechilledwatersystem.

WithFlexSyscontrols,eachcompressorisindividuallycontrolledinconjunctionwiththechiller.Thisallowsforprecise,individualcontrolofeachcompressor,creatingauniquesystembalancewhereitcanruneachcompressorinthesweetspottooptimizeenergyefficiency.Sophisticatedcontrollikethiscompensatesforanydifferencesinmanufacturingtolerancesbetweencompressors;allowingforthechillertoadapttotheloadefficiently,andpreventingthermallagordrasticovershoot.

TypicalcontrollogicarchitectureonaFlexSyscontrolsystem:

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Control System Comparisonhardware ComparisonFeatures MagLev™ FlexSys Controller Kiltech Controller McQuay Microtech IIModularI/OForEaseofExpansion √ X XLEDIndicatorsForStatusOfAllInputsandOutputs √ X XComputerBasedController(AsOpposedToPLC) √ √ XIntelProcessorOnBoard √ X XAllHardwareDCPower(LessSusceptibilityToEMINoise) √ X XSplitIndustrialGradeHardDrives(2GBMinimum) √ X XTrendData,FaultLogs,AlarmsCanBeDownloadedViaUSB √ √ √AllHardwareCEAndULApproved √ X √15InchTouchScreen √ X √BuiltInEXVDrivers √ √ XDedicatedEthernetConnectionToEachCompressor √ X XDedicatedRS-232andRS-485ToEachCompressor √ X XIfTouchScreenIsDisconnectedOrFails,SystemWillContinueToRun √ X √CompressorHubFeatureToSimplifyCompressorInterfacing √ X XEachHubHasIndependentHP/LPMechanicalSafeties(ExternalofCompSoftware) √ X X

EachHubHasItsOwnInterlockCircuitWithProofFromCompressor √ X XAllControllerHardwareFeaturesSpringCapturedTerminals(NoLooseConnections)

√ X X

Software ComparisonFeatures MagLev™ FlexSys Controller Kiltech Controller McQuay Microtech IIFlexSysI/OLayoutForSimplisticCustomization(I/OFunctionality) √ X XSystemRunsTurbocorSoftwareOn-BoardToEachCompressor √ X XCapableofControllingMis-MatchedCompressorSizes √ X XCapableofControllingDifferentRefrigerantTypesSimultaneously √ X XAdaptiveCompressorLogicAllowsForMaximumSystemReliabilityandEnergySavings √ X X

AbletoControlupto8Compressors √ X XWebcontrolStandardOnAllControlSystems(RequiresDSLorMobileBroadband)NoAuthorizationRequired √ X X

UserSelectableInterfaceForMainScreen,I/O,andTrendGraphing √ X XAllTrends,FaultsAndAlarmsCanBeRemotelyDownloaded √ X XUserSelectableI/OFunctionForControl √ X XTowerControlStandard(WithoutAuthorizationCode) √ X √OperatingManualsandTechnicalDocumentationStoredInController √ X √2YearOfTrendDataStoredAt5SecondIntervalsWithCalenderRecallFeature √ X XModbusTCP/IPOrRTUServerStandardForBasIntegration(NoAuthorizationRequired) √ X X

CompatibleWithLonandBACNet √ √ √ControllerLogsEveryTimeASettingIsChangedandStoresDataToEventLog √ X XControllerLogsOver200DataPoints(20PointsPerCompressor) √ X XControlsUpTo24EXV’sFromTouchScreen(RequiresMaglevEXVController) √ X XColorCodedInterface(Green=Good;Yellow=Alarm;Red=Fault)ForEaseOfTroubleshooting √ X X

ControlSettingsandCanBeSaved,RecalledandTransferred √ X XAbilityToGiveSpecificNamesToController,Compressor,Valves,I/OPoints √ X X

Forpurposesofcomparison,wehaveoutlinedthecapabilitiesofthetwomostcommoncontrolsystemsinusetodayagainstourFlexSysController.

√=IncludedX=NotAvailable

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Master Control PanelTheMasterControlPaneliswhereyouwillfindtheprocessor,touchscreen,andallsysteminputandoutputsforthechiller.TheFlexSyscompressorcontrollercontainsthefollowingsystempoints:

• TwoEXVOutputs• EightDigitalInputs• EightDigitalOutputs• TenAnalogInputs• EightAnalogOutputs(0-10VDC)• EightTemperatureSensorInputs

Compressor HubsLocatednexttoeachMagLevcompressorinterfaceboard,thecompressorhubiswhereallthecompressorI/Oandcommunica-tionsarecontained.EachhubcommunicatesdirectlytotheMas-terControlPanelthroughanaddressableEthernetconnection.

Eachcompressorhubcontainsthefollowingpoints:• AddressableEthernetBusCoupler• RS-485Moduleforcompressorcommunications• RS-232ModuleforcompressormonitoringviaTurbocor

CompressorSoftware• FourDigitalInputs• TwoDigitalOutputs

Example of Master Control Panel hardware with defined inputs and outputs for a two compressor system.

Example of a typical Compressor Hub hardware layout with defined inputs and outputs.

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Home ScreenReferredtoasthedashboard,thisiswhereageneralsystemsummaryisfound.Featuresofthisscreeninclude:

• 24userdefinedtextboxes• SystemOn/Offswitch• Compressoroverridecontrols• Compressorhubstatusinformation• Navigationbuttons-

- UserMenu(requiresnopassword)includes:trendGraphs,I/Oover-view,faultlogs,listofalarms,manuals,logbook,andexitbutton

- ServiceMenu(requirespassword)includes:editsystem,editI/O,editI/Ocontrols,editalarms,Modbusset-upforBASinterface,editmainscreen,andTurbocorsoftware

• Summaryofmostrecentevents• PowerBarandCapacityreadout• SystemMessages,SystemFaults,Alarms,andStatus• CompressorMessages,Faults,Alarms,andStatus

Trend Graphs• Over160,000pointsofdatastoreddaily• Alldataloggedinfive-secondintervals• 32GBofstoragedata• Overtwoyearsofdatacanbestored• Zoom-In/Zoom-Outfeature• Jpgexportfeature• Differentgroupingsforsystempoints,compressors,I/O,energy

analysis• Userdefinedviewpoints• Usercanchangecoloroftrendlines• Monitorssystem,hubsandcompressors• Allowsaccuratesystemanalyzationtoidentifyproblems• Exportableviaa.csvfiletoexcel

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400/460 Volt Flooded Chiller Model Data (Long Shells)Model # Nominal Capacity Frame 1 Frame 2 Frame 3 Frame 4

MS0060FL 60TONS

NotAvailableMS0075FL 75TONSMS0090FL 90TONSMS0120FL 120TONS 2Comps:TT-300 1Comp:TT-400MS0150FL 150TONS 2Comps:TT-300 1Comp:TT-400MS0180FL 180TONS 2Comps:TT-300 2Comps:TT-400 3Comps:TT-300 2Comps:TT-300/TT-400MS0210FL 210TONS 2Comps:TT-400 NotAvailable 3Comps:TT-300 2Comps:TT-300/TT-400MS0240FL 240TONS 2Comps:TT-400 3Comps:TT-300 2Comps:TT-300/TT-400MS0270FL 270TONS 2Comps:TT-400 3Comps:TT-400 3Comps:TT-300 3Comps:1TT-300/2TT-400MS0300FL 300TONS 2Comps:TT-400 3Comps:TT-400 NotAvailable 3Comps:1TT-300/2TT-400MS0330FL 330TONS 3Comps:TT-400 NotAvailable 4Comps:TT-300 3Comps:1TT-300/2TT-400MS0360FL 360TONS 3Comps:TT-400 4Comps:TT-400 4Comps:TT-300 3Comps:1TT-300/2TT-400MS0390FL 390TONS 3Comps:TT-400 4Comps:TT-400 3Comps:1TT-300/2TT-400MS0420FL 420TONS 3Comps:TT-400 4Comps:TT-400

NotAvailableMS0450FL 450TONS 3Comps:TT-400 4Comps:TT-400MS0500FL 500TONS 4Comps:TT-400 5Comps:TT-400MS0550FL 550TONS 4Comps:TT-400 5Comps:TT-400MS0600FL 600TONS 4Comps:TT-400 5Comps:TT-400

400/460/575 Volt Flooded Chiller Model Data (Short Shells)Model # Nominal Capacity Frame 1 Frame 2 Frame 3 Frame 4

MS0060FS 60TONS 1Comp:TT-300

NotAvailable

MS0075FS 75TONS 1Comp:TT-300MS0090FS 90TONS 1Comp:TT-300MS0120FS 120TONS 2Comps:TT-300MS0150FS 150TONS 2Comps:TT-300MS0180FS 180TONS 2Comps:TT-300

575 Volt Flooded Chiller Model Data (Long Shells)Model # Nominal Capacity Frame 1 Frame 2 Frame 3 Frame 4

MS0060FL 60TONS

NotAvailable

MS0075FL 75TONSMS0090FL 90TONSMS0120FL 120TONS 2Comps:TT-300MS0150FL 150TONS 2Comps:TT-300MS0180FL 180TONS 2Comps:TT-300MS0210FL 210TONS 3Comps:TT-300MS0240FL 240TONS 3Comps:TT-300MS0270FL 270TONS 3Comps:TT-300MS0300FL 300TONS 4Comps:TT-300MS0330FL 330TONS 4Comps:TT-300MS0360FL 360TONS 4Comps:TT-300

Frame number references in this catalog describe compressor combinations. Since the MagLev centrifugal chiller line allows you to add,subtractormixcompressorconfigurationstocreatethebestbalanceofperformance,turndown,redundancy,oracombinationofalloftheabove,framenumberreferencesareused.

avaILabLE SIzES

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AHRI 550/590 Conditions (54/44 chilled water 85/95 condenser water)

kW/ton Model# NominalCapacity 100% 75% 50% 25% IPLV

MS0090FL 90TONS 0.671 0.470 0.310 0.288 0.378MS0180FL 180TONS 0.601 0.442 0.296 0.263 0.356MS0240FL 240TONS 0.595 0.431 0.289 0.255 0.348MS0300FL 300TONS 0.587 0.430 0.288 0.256 0.347MS0390FL 390TONS 0.587 0.431 0.288 0.260 0.348MS0450FL 450TONS 0.590 0.429 0.288 0.256 0.346MS0600FL 600TONS 0.595 0.431 0.288 0.256 0.347

*Note- Selections based off the following frame sizes: (MS090 & MS240 Frame 1) (MS180 Frame 4) (MS300, MS390, MS450, MS600 Frame 2)

Non-Standard Selection (54/44 chilled water 80/90 condenser water)

kW/ton Model# NominalCapacity 100% 75% 50% 25% NPLV

MS0090FL 90TONS 0.610 0.445 0.310 0.287 0.367MS0180FL 180TONS 0.544 0.415 0.298 0.262 0.345MS0240FL 240TONS 0.538 0.404 0.289 0.255 0.336MS0300FL 300TONS 0.526 0.401 0.288 0.256 0.334MS0390FL 390TONS 0.526 0.402 0.288 0.260 0.335MS0450FL 450TONS 0.532 0.402 0.288 0.256 0.334MS0600FL 600TONS 0.538 0.404 0.288 0.256 0.335

*Note- Selections based off the following frame sizes: (MS090 & MS240 Frame 1) (MS180 Frame 4) (MS300, MS390, MS450, MS600 Frame 2)

OnebigperformanceadvantageofacentrifugalcompressoristheabilitytoutilizecondenserrelieftolowerthekW/tonofthechiller.Typicallyforeveryonedegreereductioninenteringcondenserwatertemperature,thecompressorisabletodecreaseitsenergyconsumptionby2%.

ThischartshowshowreducingenteringcondenserwaterbyfivedegreesonaMagLevcentrifugalchiller, lowersoverallenergyconsumptionby10%onaverageacrossthevariouschillercapacities.

For.heat.recovery,.contact.Multistack.

pErForMaNCE daTa

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Evaporator DataModel # Nominal Capacity Min Flow Min ∆p (pSI) design gpM design ∆p (pSI) Max gpM Max ∆p (pSI)

MS0090FL 90TONS 90 1.13 216 5.50 360 13.80MS0180FL 180TONS 180 1.07 432 5.20 720 13.00MS0240FL 240TONS 260 1.14 576 4.80 1040 13.90MS0300FL 300TONS 325 1.12 720 4.70 1300 13.60MS0390FL 390TONS 435 1.13 936 4.50 1740 13.70MS0450FL 450TONS 540 1.12 1080 3.90 2160 13.60MS0600FL 600TONS 775 1.18 1440 3.60 3100 14.30Notes: Based on 2 Pass Evaporator and 2 Pass Condenser with 10∆T. Evaporators available in Pass Configurations of: 1,2,3,4,5,6Condensers available in Pass Configurations of: 1,2,3,4Performance data based on ARI 550/590 Standard. Please contact Multistack for application specific performance data.

*Chartsonthispagearecreatedwithlogarithmicdatatofacilitateeasycomparisonillustrations.

*

*

IllustrationdoesnotrepresentfiveandsixpassevaporatorsbecausetheyareonlyavailableinS(short)modelswithalargeΔT.

EvaporaTor daTa

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*Chartsonthispagearecreatedwithlogarithmicdatatofacilitateeasycomparisonillustrations.

*

*

*

MagLevCentrifugalChillerswithshellandtubefloodedevaporatorsuseGEWA-Bfinnedtubesforoptimumheattransfer.Thesetubesallowforcompactdesign,high-performanceandextremelylowapproaches.

TheoutsidesurfaceofGEWA-Btubesisdesignedtoenhancetheevaporationprocessviasmallchannelsheatedbyahighheatfluxinsidethetube.Thisengineeringdesigngeneratesasizeableamountofbubblesthatamplifytheperformanceofthetube.

StandardtubediameteronMagLevCentrifugalChillersis3/4"I.D.Thenominaltubethicknessundertheenhancementsis.025".

Marineboxesavailable,foradditionaltubeoptionspleasecontactMultistack.

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Condenser DataModel # Nominal Capacity Min Flow Min ∆p (pSI) design gpM design ∆p (pSI) Max gpM Max ∆p (pSI)

MS0090FL 90TONS 100 1.07 270 6.40 400 13.00MS0180FL 180TONS 170 1.05 540 8.40 680 12.70MS0240FL 240TONS 240 1.11 720 8.00 960 13.40MS0300FL 300TONS 285 1.07 900 8.50 1140 13.00MS0390FL 390TONS 350 1.05 1170 9.20 1400 12.70MS0450FL 450TONS 410 1.04 1350 8.90 1640 12.60MS0600FL 600TONS 560 1.08 1800 8.80 2240 13.10Note: Based on 2 Pass Condenser with 10∆T. Condensers available in Pass Configurations of: 1,2,3,4

For Heat Recovery Options, contact Multistack.

MagLevCentrifugalChillerswithshellandtubefloodedevaporatorsuseGEWA-Cfinnedtubesforoptimumheattransfer.Thesetubesallowforcompactdesign,high-performanceandextremelylowapproaches.

TheGEWA-Coutsidestructurehasbeenspeciallydesignedtoenhancecondensationandensureaquickrun-offofthecondensedrefrigerant.

StandardtubediameteronMagLevCentrifugalChillersis3/4"I.D.Thenominaltubethicknessundertheenhancementsis.025".

Marineboxesavailable,foradditionaltubeoptionspleasecontactMultistack.

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MCA,RLA,WireSize,Powerconnectionsoption.460 Volt Flooded Chiller Model Data (Long Shells)

Frame 1 Frame 2 Frame 3 Frame 4Model # Nominal Capacity rLa MCa Mop rLa MCa Mop rLa MCa Mop rLa 1 MCa Mop

MS0060FL 60TONSNotAvailableMS0075FL 75TONS

MS0090FL 90TONSMS0120FL 120TONS 51.1 115 150 106.4 133 175MS0150FL 150TONS 67.3 152 200 144.0 180 250MS0180FL 180TONS 86.5 195 250 86.0 194 250 51.1 167 200 75.4/87.7 250 300MS0210FL 210TONS 100.9 228 300 NotAvailable 61.5 200 250 81.7/101.3 300 250MS0240FL 240TONS 106.4 240 300 73.7 240 300 86.8/139.7 350 450MS0270FL 270TONS 124.2 280 400 79.4 259 300 86.5 282 350 64.5/87.9 300 350MS0300FL 300TONS 144.0 324 450 87.7 286 350 NotAvailable 75.4/96.6 350 400MS0330FL 330TONS 96.6 314 400 NotAvailable 76.9 327 400 81.7/109 400 450MS0360FL 360TONS 106.4 346 450 79.4 338 400 86.5 368 450 86.8/124.2 450 600MS0390FL 390TONS 117.7 383 500 85.8 365 450 86.8/139.7 500 600MS0420FL 420TONS 131.4 428 500 92.1 392 450

NotAvailableMS0450FL 450TONS 144.0 468 600 98.9 421 500MS0500FL 500TONS 111.8 476 500 87.7 461 500MS0550FL 550TONS 127.7 543 600 96.6 508 600MS0600FL 600TONS 144.0 612 700 106.4 559 600

NOTE: RLA's listed are per compressor. For compressor combinations, see chart on page 15.

460 Volt Flooded Chiller Model Data (Short Shells)Frame 1 Frame 2 Frame 3 Frame 4

Model # Nominal Capacity rLa MCa Mop rLa MCa Mop rLa MCa Mop rLa MCa MopMS0060FS 60TONS 51.1 64 80

NotAvailable

MS0075FS 75TONS 67.3 85 110MS0090FS 90TONS 86.5 109 150MS0120FS 120TONS 51.1 115 150MS0150FS 150TONS 67.3 152 200MS0180FS 180TONS 86.5 195 250


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575 Volt Flooded Chiller Model Data (Long Shells)Frame 1 Frame 2 Frame 3 Frame 4

Model # Nominal Capacity rLa MCa Mop rLa MCa Mop rLa MCa Mop rLa MCa MopMS0060FL 60TONS

NotAvailable

MS0075FL 75TONSMS0090FL 90TONSMS0120FL 120TONS 41.1 93 125MS0150FL 150TONS 53.8 122 150MS0180FL 180TONS 69.2 156 200MS0210FL 210TONS 49.2 160 200MS0240FL 240TONS 58.9 192 250MS0270FL 270TONS 69.2 225 250MS0300FL 300TONS 53.8 229 250MS0330FL 330TONS 61.5 262 300MS0360FL 360TONS 69.2 295 350


575 Volt Flooded Chiller Model Data (Short Shells)Frame 1 Frame 2 Frame 3 Frame 4

Model # Nominal Capacity rLa MCa Mop rLa MCa Mop rLa MCa Mop rLa MCa MopMS0060FS 60TONS 41.1 52.0 70.0

NotAvailable

MS0075FS 75TONS 53.8 68.0 90.0MS0090FS 90TONS 69.2 87.0 110.0MS0120FS 120TONS 41.1 93.0 125.0MS0150FS 150TONS 53.8 122.0 150.0MS0180FS 180TONS 69.2 156.0 200.0


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SECTIoN 15400 MEChaNICaL WaTEr ChILLEr WaTEr CooLEd Multistack® MagLev™ CENTrIFugaL ChILLEr

PART1-GENERAL

1.01SUMMARYSectionincludesdesign,performancecriteria,refrigerants,controls,andinstallationrequirementsforMultistackwatercooledcentrifugalchillers.

1.02REFERENCESComplywiththefollowingcodesandstandards:

•ARI550/590-2003•ANSI/ASHRAE15•ASMESectionVIII•NEC•OSHA

1.03SUBMITTALSSubmittalsshallincludethefollowing:A. Chiller dimensional drawings with elevation overview. Drawings to include required service clearances, location of all field installed piping andelectricalconnections.B.Asummaryofallauxiliaryutilityrequirementsfornormalsystemoperationrequired.Auxiliaryutilityrequirementsinclude:electrical,water,andair.Summaryofauxiliaryequipmentshallincludequantityandqualityofeachspecificauxiliaryutilityrequired.C.ChillerControldocumentationtoinclude:Chillercontrolhardwarelayout,wiringdiagramsdepictingfactoryinstalledwiring,fieldinstalledwiringwithpointsofconnection,andpointsofconnectionforBAScontrol/interfacepoints.D.SequenceofoperationdepictingoverviewofcontrollogicusedE.InstallationandOperatingManuals.F.ManufacturercertifiedperformancedataatfullloadinadditiontoeitherIPLVorNPLV.

1.04QUALITYASSURANCEA.RegulatoryRequirements:ComplywiththecodesandstandardsasdefinedinSection1.02titledREFERENCESB.Chillerisrequiredtoberuntestatmanufacturer’sfacilitytojobspecificrequirements,priortoshipment.Reportavailableuponrequest.1.05DELIVERYandHANDLINGA1.Chillersshallbedeliveredtothejobsitecompletelyassembledandchargedwithcompleterefrigerantcharge.

ORA2.Chillershallbedelivered“knockeddown”(optional).When“knockeddown”,chillertoarrivefromfactorywithcompressors,controlpanels,andnecessaryrefrigerantcomponentsonskidsforreassemblybyinstallingcontractor.B.Installingcontractortocomplywiththemanufacturer’sinstructionsfortransporting,rigging,andassemblyofchiller.

1.06WARRANTYA.Themanufacturer’sequipmentwarrantyshallbeforaperiodof:

(1)Oneyearfromdateofequipmentstartupor18monthsfromthedateofshipment,whicheveroccursfirst.B.Extendedwarrantyonpartsandlaboravailablebyrequest.C.Thewarrantyshallincludepartsandlaborcostsfortherepairandorreplacementofdefectsincomponentsorworkmanship.

1.07MAINTENANCEA.Maintenanceofthechillershallbethesoleresponsibilityoftheowner.

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PART2-PRODUCTS

2.01ACCEPTABLEMANUFACTURERSA.MultistackLLCB.(ApprovedEqual)

2.02PRODUCTDESCRIPTIONA.Provideandinstallasshownontheplansafactoryassembled,charged,andruntested,water-cooledpackagedchiller.B.Eachunitshallinclude:OneormoreMagLev®,oil-free,magneticbearing,variablespeedtwostagecentrifugalcompressorequippedwithinletguidevanesandloadbalancingvalve.Eachcompressortoutilizeitsintegratedvariablespeeddriveinconjunctionwiththecompressorsinletguidevanesandloadbalancingvalve,tooptimizethechillerspartloadefficiency.C.The chillers evaporator, condenser, and electronic expansion valves shall be common to all compressors.The chiller shall operate with (1) onerefrigerantcircuit.D.ChillershallutilizeR-134Arefrigerantonly.

2.03DESIGNREQUIREMENTSA.Provideacompletefactoryassembledorknockeddown(optional)watercooled,oilfreecentrifugalchillerequippedwithMagLev®compressorsasspecifiedherein.ChillertobebuiltinaccordancetothestandardsdefinedinSection1.02ofthisspecification.B.Chillerstoutilizeoneofthefollowingcompressorarrangementsforthespecifiednominaltonnagesfoundonpage15.C.Eachchillershallbeequippedwiththefollowing:One(1)floodedevaporatorheatexchanger,one(1)watercooledcondenserheatexchanger,one(1)ormoreMagLev®Compressors(refertosection2.03B)withintegratedvariablespeeddrive,softstart,magneticbearings,andinletguidevanes,two(2)ormoreelectronicexpansionvalves,one(1)liquidlevelrefrigerantsensor,one(1)loadbalancevalvepercompressor,one(1)masterchillercontrolwithnecessaryoperatingcontrolsandsystemsafeties,whileallmechanicalpressuresafetiestobelocatedateachindividualcompressor.D.ChillerPerformance:Refertoperformancescheduleonthejobspecificdrawings.E.Unloading:WhenutilizingMagLev®modelTT-300compressor(90nominaltons),thechillershallbecapableofunloadingto15tons.WhenusingaMagLev®TT-350compressor,chillershallbecapableofunloadingto30tons.WhenusingaMagLev®TT-400compressor,chillershallbecapableofunloadingto35tons.Allunloadedcapacityvaluesarewithouttheuseofhotgasbypass.F. Loading: Chiller shall be able to lead lag compressor(s) without drastically unloading compressors on-line or creating check valve chatter on lagcompressors.Totalpressureratioshallnotbedecreasedbelow2.4pressureratioasobservedatthesuctionanddischargeflangesofeachindividualcompressor.G.Acoustics:SounddatashallbemeasuredinaccordancewithARI575-87Standard.Unitsoundperformancedatashallbemeasuredatthehighestlevelrecordedatallloadpoints.Unitsoundperformanceshallnotexceedalevelof70DBAmeasuredatadistanceoffive(5)feet.H.Electrical:Chillershallfeaturesingle-pointpowerconnectionnotutilizingadjoiningpowercabinetsaspullboxes.I.MinimumOperatingConditions:Lowestevaporatorsaturatedsuctiontemperatureshallnotbebelow34°F.Lowestleavingchilledwatertemperatureshallnotbebelow38°F.Lowestenteringcondenserwatertemperatureshallnotdropbelow55°F.Adifferentialof12°Fbetweentheleavingchilledwatertemperatureandenteringcondenserwatertemperatureisrequiredtoensurechillercanmaintainminimumliftrequirements.

2.04CHILLERCOMPONENTSA.Compressors:

1.ChillertohaveoneormoreMagLev®,magneticbearing,oil-free,two-stage,hermeticalcentrifugalcompressor(s).Eachcompressortocontainintegratedvariablespeeddrivewithsoftstart,movableinletguidevaneassembly,andweighnomorethan300lbs.2.Eachcompressortobemicroprocessorcontrolled.EachcompressortobenetworkedtomastercontrollerviaEtherbusconnectionwitharefreshrateof50microsecondsandthemicroprocessorofeachcompressortocontrolthevariablespeeddriveandinletguidevanesoneachcompressortomaximizeunitefficiency.3.Eachcompressorshallbecapableofcomingtoacontrolledsafestopintheeventofapoweroutage.Unitshallbecapableofautorestartintheeventofapoweroutage,oncepowerhasbeenrestored.4.Allcompressorsarerequiredtobemechanicallyandelectricallyisolatedtofacilitatepropermaintenance,service,andorremoval

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B.Refrigerant,EvaporatorandCondenser:1.AllheatexchangerstobebuiltinaccordancetoSectionVIIIoftheASMEcodeandcarryamanufacturer’snameplatecertifyingASMEcompliance.2.The evaporator to be of shell and tube construction. Evaporator to be constructed of a single shell. Evaporator to be of flooded type withrefrigerantsurroundingthetubesandwaterpassingthroughthetubes.Tubestobeenhancedandrifled.Minimumtubevelocityoftwo(2)feetpersecondrequired.Designtonotexceedamaximumtubevelocityofeight(8)feetpersecond.Internalintermediatetubesupports,liquideliminatorbaffleplate,pressurereliefvent,waterdrainsandventsrequired.PressurerelieftobespringloadedselfseatingtypeinaccordancetoASHRAE15standard.Evaporatortobepressuretestedatatestpressureof1.1timestheoperatingpressurehowevernolessthan100PSIG.Evaporator,waterboxes,suctionpiping,andanyothercomponentsubjecttocondensateshallbeinsulatedwithaULrecognized3/4inchor1½”closedcellinsulation.Alljointsandseemstobesealedsoavaporbarrieriscreated.Factorymounteddifferentialpressuretransmittersrequiredforflowsafety.Flowswitchesarenotacceptable.3.Thecondenser tobeofshellandtubeconstruction.Condenser tobeconstructedofasingleshell.Condenser tobewatercooledtypewithrefrigerantsurroundingthetubesandwaterpassingthroughthetubes.Tubestobeenhancedandrifled.Minimumtubevelocityoftwo(2)feetpersecondrequired.Designtonotexceedamaximumtubevelocityofeight(8)feetpersecond.Internalintermediatetubesupports,pressurerelieftreewithisolationvalves,waterdrainandventsrequired.Pressurerelieftreetobeequippedwithisolation/transfervalvetopreventthelossofrefrigerantwhenreliefisremovedfortestingandorreplacement.Rupturedisksarenotacceptable.Condensertobepressuretestedatatestpressureof1.1timestheoperatingpressurehowevernolessthan100PSIG.Factorymounteddifferentialpressuretransmittersrequiredforflowsafety.Flowswitchesarenoacceptable.4.HeatExchangerstofeatureenhancedandrifledindividualtubes.Tubesshallbeindividuallyreplaceable.TubesshallbemechanicallyrolledintosteeltubesheetsandsealedwithLoctite®orequivalentsealant.Tubesshallbesupportedbyintermediatetubesupportsatamaximumspacingof18”apart.Watersidetobedesignedtoaminimumof150psigor300psig,whicheverisspecified.Heatexchangerstobeequippedwitheitherdishedheadsormarineboxeswithdrainandventreports,whicheverisspecified.Pipingconnectionstobeeithermechanicalgroovedconnectionorflange,whicheverisspecified.5.RefrigerantControl:Chillerwithmultiplecompressorstofeaturedualelectronicexpansionvalveswithastepcountof6386stepstofullopen.Asinglecompressormachinetohaveoneelectronicexpansionvalvewith6386steps.Fixedorificesandfloatcontrolsarenotacceptable.Theelectronicexpansionvalvetooperatefromminimumchillercapacitytothefullloadofthechiller’scapacity.Ahighsiderefrigerantlevelsensor,constructedoutofstainlesssteel,withastainlesssteelcanisterwithsightglassistobeusedtoprovidefeedbacktotheexpansionvalvesforpropercontrol.Thisensuresthataproperliquidsealisalwayspresentonthecompressorspowerelectronics.Arefrigerantsightglassisrequiredonthemainliquidlinefeedingtheelectronicexpansionvalves.IsolationvalvesbeforeandaftertheEXVrequiredforproperservicewithoutremovingtheentirerefrigerantcharge.

C.PrimeMover:1.Theprimemovershallbeofsufficientsizetoeffectivelymeetthecompressorhorsepowerrequirements.Primemovershallbeaoneormoreliquidrefrigerantcooled,hermeticallysealed,permanentmagnetsynchronousmotor.Motorshallbecontrolledbyvariablespeeddrive.Motorshallutilizesoftstartcapabilitieswithaninrushcurrentnogreaterthantwo(2)amps.Motorshallhave internalthermaloverloadprotectiondevicesembeddedinthewindingofeachphaseofthemotor.

D.VariableSpeedDrive:1.Thechillershallbeequippedwithmultiplevariablespeeddrivesunlessonecompressorisused.Pleaserefertosection2.03Bforcompressorrequirements.ThevariablespeeddrivetoutilizeInsulatedGateBi-PolarTransistors.Variablespeeddrivetocreateit’sownsimulatedACvoltageforthemotorconnectedtoit.Acceptableappliedvoltagesare:400Volt50hertz,460Volt60hertz,and575volt60hertz.575voltapplicabletoTT-300only.2.Variablespeeddriveinconjunctionwiththecompressorsinletguidevaneswillbecontrolledviacompressormicroprocessortooptimallymatchtheliftandloadrequirements.3.Eachcompressorcircuitisrequiredtohavealinereactorandcircuitbreaker.

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E.ChillerControlsTheunitshallhaveanindustrialgradecpuwithanIntel-basedprocessor.Chillerrequiredtohavefailtorunmode.AllchillerandcompressorI/OtobecontrolledviaEtherbuswithanupdaterateof50microseconds.Controllertohave15 inchtouchscreen interfacethatcanbedisconnectedandchillersstillrunsproperly.Controllertouseproprietarycontrollogictooptimizeloading,unloading,andcontrolofmultipleMagLevcompressors.UsershalloperatechillerviaHMIlocatedontouchscreenorremotewebconnection.Allsystemparameters,compressorstatus,alarms,andfaults,trendgraphing,faultlogging,bascommunicationwindow,manuals,wiringdiagrams,logbook,andcontrolsetpointsshallbeviewable.Shallbeabletofullycommissionandadjustallcomponentsonthechiller,includingthecompressorswithoutanauxiliarycomputerorsoftware.Thechillercontrollershallincludethefollowingfeatures:

- Hardware- TwoEXVOutputs- EightDigitalInputs- EightDigitalOutputs- TenAnalogInputs- EightAnalogOutputs(0-10VDC)- EightTemperatureInputs- OneCompressorhubpercompressorincluding:- AddressableBusCoupler- RS-485Module- RS-232Module- FourDigitalInputs- TwoDigitalOutputs

•Windows®-basedindustrialPCfeaturingIntel®Processorformaximumreliabilityandperformance.•Dual-Hard drives for maximum reliability and redundancy. Hard drives feature no moving parts to ensure nothing mechanically fails.

Withdual-harddrivesthereisnoneedtopartitionasingledrive.Onedrivehandlestheoperatingsystemwhiletheotherhandlesalldataacquisitiontoensurenodataiscorrupted.

•DCPoweredtoensuremaximumresistancetoEMIandRFInoise•Builtin2-portEthernetSwitchforeasyintegrationtoBASinterfaceandwebcontrolfeature.•Featuresindustrial-stylebatteryback-upintheeventofapoweroutage•OnboardUSBdrivestosupportexternalperipheraldevicesincluding,keyboard,mouse,andprinter•15“TFTDisplayfeaturing1024X768Resolution.•Allhardware,includingI/OisCEandULCertified•I/Ofeaturesmodulardesigntosimplifytroubleshootingandorreplacementifrequired.•I/OhasLEDIndicatorsforallinputsandoutputstoeasethetroubleshootingprocess.•I/Ocanbedirectlyconnectedtowithouttheuseofterminalblocks.•Allwiringutilizesspringcapturetechnologytopreventlooseconnectionsorwiresfromfallingout.•DedicatedEthernetcommunicationatacommunicationrateof50microsecondstoallcompressorsandI/O.•MagLev hubs feature dedicated inputs for high pressure switch, low pressure switch, dedicated compressor interlocks, and dedicated

compressorcommunications.Thisallowsforeachcompressortobehandlesindependentlybyitselfwithoutaffectingtherestofthesystem.

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Software•Cancontrolone(1)toeight(8)compressorsonsingleormultiplerefrigerantcircuits•ApplicationsInclude:WaterCooledFloodedChillers,WaterCooledDXChillers,AirCooledFloodedChillers,AirCooledDXChillers,DXBuiltUp

Systems,LiquidOverfeedSystems,ModularChillers,HeatRecoveryChillers•ControlSystemcancontrolupto24EXVswithproperhardwareandnetworkallEXVstothecontrolsystem•Controlsystemcapableofcontrollingdifferentsizecompressorssimultaneously.•HMIinterfaceisonlycontrolsystemonthemarketwithauserdefinablepointslist,tagnames,andfunctionswithoutspecialsoftware.With

thisfeature,endusercanscaleanallinputsandoutputs,changewhatcontrolsit,changethefunctionality,thenameofitetc.•ControlsystemcanbefieldreconfiguredthroughHMItoremapI/Otochangefunctionalityonthefly.Thisallowsforcustomizedintegration

intotheenduserssystem.•Controlsystemcantrendgraphuptotwo(2)yearsofdata,withoutoverwritingordecreasingdataacquisitiontime•ChillercontrollerutilizestheDanfossTurbocorCompressorSoftwareonboard.Thisallowsfornolaptopsforaservicetechinadditionalto

advancedremotetroubleshooting.•ControlSystemfeatureseasytousewebinterface.Thisallowstheusertodoanythingremotelythatcouldbedoneonsight•Mostadvancedtrendgraphingavailableonthemarket.Over200datapointsarerecordedinfive(5)secondintervals.Datacanbeanalyzed

withzoomfeature.Datastoredonseparate32GBdrive.Trendgraphimagescanbeexported.Trendgraphscanbeexportedtocsvfilesaswell.•AdvancedFaultLoggingfeaturingcalendarcapabilityforeaseofuse.Datacanberecalleduptotwo(2)years.Datacanbesortedbyalarm

type,timestamp,orcompressor•Colorcodeddata.Greendatameansgood,yellowmeansalarm,redmeansfaultoroff•Controllerlogswhenusermakesanytypeofchange•Controllerisloadedwithallmanuals,wiringdiagrams,andsupportingdatawhichcanberecalledviatouchscreen•Controllerhasonboardmaintenancelogtostoresysteminformation•Controllerfeaturese-mailfaultnotification•Controlleroffersrealtimecapacityandefficiencydata

BASInterfacesinclude:•ModbusRTU•ModbusTCP/IP•BACNetIP(optional)•BACNETMSTP•Lonworks(optional)•BASinterfacedashboardshownonHMI.ThisallowstheusertoviewwhatdataisbeingwrittentotheBASsystem.Also,itshowsifthereis

anerror,lastcom,andhowmanytimesthedatawassentorreceived.•Controlsystemusesproprietaryoptimizationlogictoperformaccurateenergybalanceonallsystemsformaximumsystemperformance.•Control System features an optimum start function to ensure initial lift is always made.This prevents nuisance check valve flutter and

compressorfaults.

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2.05OPTIONSThefollowingitemsaredeemedoptionalandavailableuponrequest:HeatExchangers-

•Heatexchangerdesignedfor300PSI

•Marinewaterboxes

•EpoxyCoating- TubeSheets- Heads

•Insulation- 1½ClosedCellFoam- MetalJacketedInsulationforoutdooruse

•DedicatedHeatRecoveryOption•Multiplepassconfigurationstomeetwatersidedesigncriteria•Heatexchangerlengths

Electrical-•Dualpointofelectricalconnection•Masterchillerbreaker•EMInoisefiltrationtomeetIEE519standards

Controls-•BACNETMSTP•BACNETIP•LONWORKS

Warranties-•Compressorwarrantiesavailablebyrequest.•Chillerextendedandlaborwarrantiesavailablebyrequest.

Other-•LiftingFrame•VibrationIsolation

PART3-EXECUTION

3.01INSTALLATIONA.Chillermustbeinstalledperallofthemanufacturer’sdocumentation.Thisincludes:IOMManual,Submittaldocumentation,CADDrawings,other.B.Alllocalstructuralcodesmustbeobserved.ChillertomountedandalignedonchillerpadormountingrailsasspecifiedonCADdrawings.C.Alllocalplumbingcodesmustbeobserved.Pipingmustberuninsuchawaythattheproperrequiredclearancesforheadremovalfortubecleaningareobserved.D. All National and Local Electrical codes must be observed. Instillation of the electrical on the chiller must follow the associated documentationfromthechillermanufacturer.Electricalinstallationshallbecoordinatedwithelectricalcontractor.Controlsinstallationshallbecoordinatedwiththecontrolscontractor.F.Provideallmaterialrequiredforafullyoperationalandfunctionalchiller.

3.02START-UPA.UnitsshallbefactorychargedwithR-134Arefrigerantunlessunitisknockeddown.B. Factory Start-Up Services: An authorized factory start agent is required. At minimum, (2) two days shall be spent on-site to ensure proper unitoperation.C.Duringthestartupperiod,thefactoryauthorizedagentwillinstructtheowner’srepresentativeonpropercareandoperationofthechiller.

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Multistack,themodularchillermanufacturerwasfoundedin1989.BasedintheheartoftheAmericanmidwest,Sparta,Wisconsin,itisaprivatelyheldcompany.Thefocusofday-to-daybusinessisdevelopingelegantsolutionstodifficultsituationsaccomplishedbyapplyingmodulartechnology.Thethoughtbehindmodulartechnologystartedoutsimply—designandmanufacturechillersthatfitthroughastandarddoorwayandonaregular

freightelevator.Thisconceptsavesanincredibleamountoflaborandmoneyduringaninstallationoraretrofit.

Aby-productofthemodularconceptisenergyefficiency. Incomparisontothestandardcentrifugalcompressorstheyarereplacing,thescroll-equippedmodularunitswereprovingtobemuchmoreenergyefficientbybeingabletoshutunitsoffduringlow-demandperiods.AdditionallythemodularMulti-stackunitsweresavingmoneybyhavingsinglepointelectricalandwaterconnections.Throughaperiodof20years,Multistack’smodularconcepttookoffandbecameastrategicpartoftheairandwatercooledchillermarket.

However,modulartechnologywasnotallthatourcustomerswanted.Therearetimeswhenafull-sizedchillermakesmoresensethananarrayofmodules,butenergyefficiencystillwouldneedtobeattheheartofaMultistackfull-sizedchiller—withclearemphasisonuniquefeaturesandabilities.Multistackansweredourcustomers’requestswiththereleaseofalineoffloodedchillersfeaturingMaglevcompressorsandFlexSysControltechnology.

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TheFlexSyscontrollertookovertwoyearsofdevelopmenttocreateandwhenitwasdoneitgaveMultistacktheabilitytodosomethingnooneelseinthemagneticlevitationcompressormarketcoulddo—controlmultiplesizedcompressorsonthesameframe.UnitscouldbebuiltwithTT-300andTT-400compressorsonthesamechillerallowingforextremeturndownaswellasmaximumfull-loadefficiencies.

Withsophisticatedmonitoringsystems,theFlexSyscontrolsalloweachcompressortobemonitoredasaseparateunitandthus,finetunedtorunatmaximumef-ficiency24hoursaday.Byincorporatingaunitmounted15”touch-screen,atechniciancanmakeadjustmentsandchangestothechillerwithouthavingtopluginalaptop.MultistackfloodedchillerswithFlexSyscontrolscanbemonitoredandcontrolledviacomputerfromanywhereintheworld,soinmanycasesatechniciancantakecareofaconcernwithouteverleavingtheoffice.Addintheentirelistoffeaturesfoundonpage10andyouhaveachillersettorevolutionizetheindustry.

EveryMultistackchillerisruntestedinthefactorypriortoshipping.ThisverificationofsystemsallowsyoutorestassuredyourMultistackchillerwillarrivereadytogo.AndMultistackismorethanjustachillersalescompany.Ourservicedepartmenttravelstheworldassistinginnewchillerstart-ups,trainingtechnicianstomaintainMultistackproductsandofferingserviceschoolsinourSparta,Wisconsinhomeoffice.

ThefinalnoteonMultistackchillers,modularandfloodedisAHRIcertification.AllnewchillersmanufacturedbyMultistackmeetorexceedthestandardssetbyAHRI,assuringyouconsistent,repeatedqualityperformanceandthecomfortofknowingyourequipmentwilldoexactlywhatyoupaidtohaveitdo.

abouT MuLTISTaCK

1065.Maple.Avenue.Sparta,.WI.•.P.608-366-2400.•.F.608-366-2450

www.multistack.com

F155FUDC0812

Documents

Water Cooled Flooded Chiller - Surplus Group · Aimed at providing the absolute best balance of chiller turn down versus pump power consumption, MagLev heat exchangers were designed