Colt CoolStream S EvaporativE Cooling & vEntilation SyStEm

Wistron, Czech Republic.

Image: plastisol, The Netherlands.

Air distribution system below a CoolStream S unit

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CoolStream S: EvaporativE Cooling & vEntilation SyStEm

Image: Bike Fun, Koprivnice, Czech Republic.

Image: arla Foods, The Netherlands.

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FeatUreS aND BeNeFItS

•Evaporativecoolingisbetweenfourandseven timesmoreeconomicalthanconventionalair conditioning,withlowerinitialcosts.

•Lowcostofoperationandmaintenance,witha powerconsumptionofonlyaround1kWand 50litresofwaterper10,000m3/hofsuppliedair –morethan30kWcoolingpower.

•Anevaporativecoolinginstallationcanconsume lessthan10%oftheelectricityusedbyan equivalentratedrefrigerationbasedcooling system.

•Corrosionresistantaluminium.

•Allpartswhichcomeintocontactwithwater aredoublepowdercoatedinaddition.

•Freefromrefrigerants.

•Integratedwaterqualitysystem.Safe circulationwithtemperaturecontroland regularrenewalofwatertoavoidthegrowth ofbacteriaandscale.CoolStreamShasbeen extensivelytestedandcertifiedhygienically incompliancewithVDI6022(“Hygienic RequirementsforVentilationSystemsand UnitsforInternalSpaces”).Thisisarigorous standardforairconditioningsystemsand confirmsthehighqualityofsupplyair.

•AchoiceeitherofaxialACfansorhigh efficiencyECfans,intwospeedorvariable speedoptions.

•Lownoise.

•Fullyautomaticdigitaltouchscreencontrols withmaster/slaveoperationforupto16 unitswitheasycontrolroutines.Optionallink toabuildingmanagementsystem.

•Only100%outsideairused,sonostuffy internalairisre-circulated.

DeSCrIptIoN

ColtCoolStreamSisanaturalcoolingandventilationsystemwhichemploystheprincipleofevaporativecooling.

Thisisanefficientandeffectivealternative toconventionalairconditioning,particularlywithstorageorproductionfacilities,wherethesebuildingsaregenerallysimplytoo largeforconventionalairconditioningtobecost-effective.

CoolStreamSdrawshotairacrosswettedmedia,therebyexchangingenergyand reducingtheinternalairtemperature.Thewarmeranddriertheoutsideair,themoreefficientlyevaporativecoolingfunctions.

Whereoutsidetemperaturesareabove30ºC, theenteringaircanbecooleddownby10ºC ormore.

Inadditionevaporativecoolinginvolvessupplying100%freshair,therebymaintaininggoodairquality.ThismeansthatCoolStreamSevaporativeunitsmaybeusedthroughoutthewholeyearprovidingfreshoutsideair,withthe

coolingfunctiononlybeingoperatedwhenconditionsdictate.Atthesametimethehotairinsidethebuildingisnormallyremovedathighlevelbynaturalormechanicalventilators,providingapleasanttemperatureatworkinglevel.

Evenwhentheinternalspaceislarge,CoolStreamSsystemslendthemselvesto beretrofittedintoexistingHVAC/ventilationplant,wheresuchplantcannotensureacomfortableinternalworkingclimate.

CoolStreamSiswellsuitedtoindustriessuchasplastics,metalorfoodandforinstallationinwarehouses,shoppingcentres,leisureandexhibitioncentres,anddatacentres.

Beingenvironmentallysafe,withlowinstallationandverylowrunningcosts,CoolStreamSisareliablesystemwithgoodgreencredentials,usingproven,non-complextechnology.

Coltoffersacompletedesignandbuildserviceincludingductwork,controlsandmaintenance.

Coltcanprovideadviceonallaspectsofdesign,installationandefficientrunningofsuchsystems.

applICatIoNS

AppLICATIOnSFORTHECoolStream S

CoolStreamSisespeciallysuitedtothosebuildingswhichrequireacost-effectivecoolingsystemforlargerspaces,whetherindustrialorcommercial,whichdonotrequireanabsolutelyconstantinternaltemperatureatalltimes.Itisespeciallyeffectiveforconditioningareaswhichproduceafairdegreeofheat.Itsapplications areverywideandinclude:

•plastics,metalandfoodindustries

•Warehouses

•Datacentres

•Transformerbuildings

•Exhibitionhalls

•Shoppingmalls

Inaddition,CoolStreamcanbeusedfor airhumidification,forexampleinthepaper andprintingindustry.

Wecanadviseyouonallaspectsofhow toapplyCoolStreamSsystems.

HOWMUCHCAnCOOLSTREAMSreDUCe tHe temperatUre?

CoolStream S InDATACEnTRES

Datacentresdependonasystemthatmaintainstemperatureandhumiditylevelswithinanallowedrange,operatingroundtheclock.ITequipmentoperatingenvironmentspecificationshaverecentlybeenrevised,openingthewaytoevaporativecoolingindatacentres.Evaporativecoolingprovidesahighlyeffectivesolutionforsuchbuildings,withlowinstallationandrunningcosts,minimalmaintenancerequirementsandquietoperation.

TheCoolStreamShasbeenproventoprovideareliablesolutionformanyyearsfordemandingindustrialenvironments.Itsindustrialgradecomponentsmakeitthebestinitsclass.

CoolStreamSissuitableforbothnewbuildandexistingdatacentrerefurbishments.

Forfurtherinfo,visitourblogat: http://blog.coltinfo.co.uk orconsultwithColtforfurtherinformation.

limitationS oF applICatIoN

CoolStreamSneedsasuitableenvironment forittobeabletoperformcorrectly.

Itshouldnot:

•Beallowedtodrawinairwhichisunusually humidorcontainingunusualamounts ofparticulates.

•Operatewithrainwater,distilledand demineralisedwaterorwithunhygienic drinkingwater.

•Beusedforthecoolingofspaceswithout theprovisionofexhaustairorspaceseither withsignificantoverorunder-pressure.

•Beusedinspacesinwhichlowhumidities areneededorwheretherearecorrosivegases.

ConsultwithColtforfurtherinformation.

ExAMpLE: Atanoutdoortemperatureof32°Candanoutdoorhumidityof40%RH,CoolStreamSwillmaintainasupplyairtemperatureof21°Candaroomtemperatureofaround26°C.

Theroomtemperatureisverymuchdependentuponthedesign.

Image: BoschRexroth, Glenrothes, Scotland.

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OUTDOORRELATIVEHUMIDITY

20% 30% 40% 50%

20°C 10°C 12°C 14°C 15°C

24°C 13°C 15°C 17°C 18°C

28°C 16°C 18°C 20°C 22°C

32°C 18°C 21°C 23°C 25°C

36°C 21°C 24°C 26°C 28°C

40°C 24°C 27°C 29°C 32°C

OUTDOOR

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EmpE

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The temperatures shown are the supply air temperatures

Image: STSCugir, Romania.

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CoolStream S HOWITWORkS

Hotexternaldryairiscooledbythe evaporativecoolingprinciple.Anaxial fandrawsexternalairoverawetted medium.Thisprocesssignificantly reducesitsairtemperatureandwhere thisprocessiscombinedwitheither naturalormechanicalventilation,workingconditionsaregreatlyimproved.

Thecontrolsystemensuresthatthe internalspaceismaintainedattherequiredtemperature.CoolStreamSisavailable inthreesizeswiththreedifferentconnectionoptionsandsixdifferenttypesoffans.

CoolStreamSisdesignedtoensurethat watercirculatessafelyandattherighttemperature.Thewaterisregularlychanged toavoidthebuild-upofbacteriaandscale.

CoolStreamSdoesnotcontainany refrigerantswhichwouldbeharmful totheenvironment.

Therearemanydifferentoptionsfor controls,whicharealwaysincluded.

Thereisan“AllSeasons”versionprovidingventilation,re-circulation(heatrecovery) andcoolingthroughouttheyear.

large intErnal SpaCES

Largeinternalspacessuchasproductionfacilities arekeptcoolataverylowcost.

Hotexternalair(5)isdrawnbyanaxialfan(4)overadesorptionmedium(2).Thismediumiskeptcontinuouslymoistbythewatersupplysystem(1),(3).Combinedwitheithernaturalormechanicalventilation,thiscanresultinagreatreductioninairtemperature(6).

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32°C30°C

24°C

5

6

2

1

3

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CoolStreamShasbeencertifiedin accordancewiththerequirements ofVDI6022.

Image: Weidenhammerplasticspackaging,Germany.

Low level air distribution.

Image: GealanFormteileGmbH, Germany.

Image: VCnMetalprocessingFactory, Netherlands.

exampleS

Image: Bakery, Belgium.

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Coltprovidedair-conditioning,cooling andventilation.Colt‘ssolutioninvolved anenergyefficientCoolStreamS evaporativecoolingcombinedwithnatural exhaustventilation.

Thedesignforthisprojectwasdeveloped byusingidenticalplansanddesignsas Colthadpreviouslycreatedandusedin oneofthecompany‘sotherfactories inBelgium.

Thiswasasimplebuteffectivesolution thatcoveredallthecustomer‘sneeds inonepackage.

Loweredenergyconsumption,lowered environmentalimpact.ThismouldingscompanyinstalledtheCoolStreamSfollowingareview ofitsenergyrequirementsforbothfactory andoffices.Gealanhadalreadyhadexperience ofColtCoolStreamSunits.Theirlowinitial andrunningcostsmadethemtheunitsofchoice. Coltprovidedthedesignofanaturalandmechanicalventilationsystemandalsosupplied aglazedroof.

Whenthisfactoryupgradeditsmachinery, theheatgainsincreased,andasolution hadtobefoundwhichdidnotrequirethe doorstobeopened.

ThecustomerchoseaCoolStreamS evaporativesysteminpreferenceto conventionalairconditioningduetoits relativelylowenergyuseandlow maintenancecosts.

1,2 3 proDUCt ovErviEW

1. CoolStream S SizES

Size10: 9,000to15000m³/h(2.5m³/sto4.2m³/s) Size16: 15,500to22,500m³/h(4.3m³/sto6.2m³/s) Size27: 16,000to27,500m³/h(4.4m³/sto7.6m³/s)

CoolStreamS10 CoolStreamS16 CoolStreamS27pleaserefertopages10and11fortheexactdimensions.

2. CoNNeCtIoN optionS

WhereCoolStreamSunitsareinstalledontotheroof,the bottomductconnection[A]isused.Thecooledairisdrawn intotheroomtypicallythroughaColtairairinflowsystem.

WhereCoolStreamSunitsaretobecombinedwithalternativeHVACequipment,theductconnectionisusuallytotheside[B].

WhereCoolStreamSisinstalledadjacenttoabuilding, thetopductconnection[C]isgenerallyused.

3. FaN optionS

Sixdifferenttypesoffansareavailable. pleaserefertotheinformationon page10soastomakethecorrectchoice.

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[A] [C][B]

tHe CoolStream S THATMAY BEInTEGRATEDWITHOTHERSYSTEMS

CoolStreamSunitsmaybeprovidedwithoutfanswheretheycanbeincorporatedinto otherHVACsystemsprovidingeitherdirect orindirectevaporativecooling.

4,5,6

proDUCt ovErviEW

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4. StaNDarD SIDe paNel WITHDESORpTIOnMEDIUM:

Aluminiumfinsprotectthemediumfromtheeffects ofweatherandtheuniqueZshapedconfiguration preventslightfromenteringtheunit.

Forhighhygienicandthermalperformance.

5. optIoNal exteNDeD SIDe paNelS WITHDESORpTIOnMEDIUMAnDInSECTGUARD

Theinsectguardstopsinsectsandothersmallparticles enteringtheunit.Theamountofdirtonthisguardis monitoredremotely,allowingearlycleaning.

6. exteNDeD SIDe paNel WITHDESORpTIOnMEDIUMAnDFILTER

ThisunitisfittedwitheitheraG4,M5orF7filter inaccordancewithEn779:2012.Thisoptionis fittedwithasensorwhichmonitorsthefilterand showsamessageremotelyifdirthasbuiltup.

CoNFIgUrINg CoolStrEam S InACCORDAnCEWITH your rEQuirEmEntS

Image: Crownpackaging, Slovakia.

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SIZe 10 ClaSSIC THESILEnTCOOLSTREAMS

Thishasasoundpressurelevel(at10metresdistancefreefield)ofnotmorethan48dB(A) atfullpowerwithtwospeedoperation.The size10fantypeSA1isthequietestCoolStreamSavailable.ToapplyCoolStreamSsystems.

premIUm THE“ECO”COOLSTREAMS

Thesize10unitwithfantypeSE2provides avolumeflowofupto4.1m³/s(15,000m³/h)withcontinuousoperationfrom0%to100% andisfittedwithahighlyefficientECfan. Thisisarealenergysaverandiswellsuitedtooperatewithairfilters.Itprovidesaveryaccuratedegreeofinternalairtemperatureowingtoitsinfinitelyvariablespeeds.

perFormaNCe CompariSon

ThischartshowsthedifferenceinperformanceofusingECfanscomparedtostandardfans.EnergycostsavingsandaverylowpaybackperiodareamongsttheadvantagesofhighefficiencyECfans.

SIZe 27 ClaSSIC THELARGESTCOOLSTREAMS

Thesize27unitwithfantypeSD1provides themaximumairflowofupto6.5m³/s (23,500m³/h)attwospeedsandwith alowsoundlevel.

SIZe 16 ClaSSIC THEGREATESTVALUEFORMOnEY

Thesize16unitwithfantypeSC1isavailablewithhalfandfullspeeddeliveringamaximumof5.6m³/s(20,000m³/h).Thisprovidesthegreatestamountofcooledairforyourinitialinvestment.

premIUm our BESt CoolStrEam S

Upto7.6m³/s(27500m³/h),silentand energyefficientatthesametime!TheCoolStreamSsize27withafantypeSG1 combinescomfortandeconomic efficiencyasneverbefore.

premIUm THEFULLYFLExIBLECOOLSTREAMS

providingthesamefeaturesandbenefitsasthesize10withfantypeSE2,thesize16withfantypeSF2providesanairvolumeofupto6.1m³/s(22,000m³/h)atanairpressureof250pa,whilststillhavingalladvantagesofaxialfans.

00

100

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50 100

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Fan

effic

ienc

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Volume flow

Energy cost reduction

EC fan

Standard AC fan

CoolStream S “ALLSEASOnS”OpERATIOn WhereaCoolStreamSunitiscombined withaColtairinflowunit–whichprovidesventilation,heatingandheatreclaim– thentheinternalenvironmentcanbe controlledoverthewholeyear. Coltairisamodular,de-centralisedunit whichprovidesfreshconditionedairinto theinternalspaceaswellasrecirculated airwhenthisissuitable.Itisavailablein threedifferentsizesandanabundance ofdifferentcombinations.

SUmmer

DuringsummerCoolStreamS“AllSeasons” maintainsconditionstothesetpoint.

SprINg aND aUtUmN

Eveninspringandautumntherecanbeaneed forcooling,especiallywheretherearehigh internalheatloads.Ifconditionspermit,controls switchofftheevaporativecoolingtherefore allowingfreshaironlycooling.

Theoutsideisbemixedwiththeinternalairto pre-heatthesupplyair,therebypreventingthe incomingairfrombeingtoocold.

WINter

Inwinteritislikelythatafreshsupplyairand re-circulatedairwillbemixed.

Ifnoresidualheatisavailable,there-circulation functionswitchestomaximuminsideairand bringstheheatbackdowntotheworkingarea.

Wheretheamountofheatisnotsufficient, Coltcanprovideanadditionalheatingsolution. TheCoolStreamS“AllSeasons”distributes theheatefficientlyroundtheinternalspace.

DeSIgN

Whetherthebuildingisneworexisting,Coltcanprovidethedesign,project managementandinstallationofCoolStreamSunits.Thedesignincludes thecorrectselectionofcomponentsaswellasanestimateoftherunning costswhichcompriseusageofenergyandwateraswellasthecostof maintenance.ColtisabletocompareanyuseCo2emissionsandrunning costswithconventionalsolutions.

AsaresultofthisanalysisColtcandemonstratethesavingsthatcan beachievedaswellasthepotentialforimprovedworkingconditions.

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Image: Bike Fun international, Czech Republic.

toUCH SCreeN ControlS

EachCoolStreamShasitsownindividualcontrolunittoenableittooperateindependentlyof otherCoolStreamSunits.ItispossibletoconnectaroomsensortoeachCoolStreamSunitforzonecontrol.InatypicalconfigurationCoolStreamunitsareconnectedtogetherin anetworkofupto16units,wherebysetpoint, operatingmodeandweekschedulearesynchronized.Thecentralcontrolcomprisesaneasytousetouchscreeninterface.

Thereistheoptiontoconnecttobuildingmanagementsystemssuchasmodbus.YourColtlocalofficewilladviseyouofthedifferentoptionshere.

1. Water CHeCkeD By a tEmpEraturE SEnSor AnDAGUIDEDMICROWAVE lEvEl SEnSor

•Frostprotectioninwinter •Overheatingprotectioninsummer •protectionagainstlimescalebuildup •Automaticfilling,emptyinganddrying

3. FlexIBle SeNSor arraNgemeNt – loCal or By rEmotE Control

•Externalandsupplytemperature •Internalspacetemperature •Internalspacehumidity

4. exterNal Control FunCtionS

•Forcedstoporfirealarm •Individualtwobitdigitalinputcontrol ofthefanandcoolingfunctions.

2. aUtomatIC Control routinES

•Fan,supplyvalve,runoffvalve, failsafecirculationpump •Optional:controlofsupplyairdamper recirculationairchamberandextractair

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CoolStream S ControlS

20.0Touchingtheoperatingmode symbolsopensthestartmenu.

21.0Touchingtheupanddown arrowschangesthedesired airtemperature.

CoolStream S projECtS

Image: RockwoolRoermond, Netherlands.

Image: Crownpackaging, Slovakia.

Image: ArensBrecalv, Czech Republic.

Image: plastisol, The Netherlands.

Image: STSCugir, Romania.

Image: Duwako, The Netherlands. Zwenkau, Germany.

Image: AveryDennison, Hazerswoude, The Netherlands.

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ColtlIte: projECtS

Image: Bike Center, Vienna.

Colt INterNatIoNal lImIteDnewLane | Havant | Hampshire | po9 2ly | Tel+44(0)2392451111 | Fax+44(0)2392454220

info@coltgroup.com | www.coltinfo.co.uk | www.coltdatacentres.com

Colt ClImate CoNtrol SyStemS: CrEating a HEALTHYAnDpRODUCTIVE intErnal ClimatE

ColtClimateControlsystemscreateidealinternalconditionsbyachievingtheperfectbalanceofalltheelementsthatdetermine thebuilding’sinternalclimate:temperature,humidity,airmovement,solarintensity,condensation,noise,andsolarintensity.

THEBEnEFITSOFAGOOD intErnal ClimatE

•Increasedproductivityandattendance resultingfromahealthyandcomfortable environmentfortheoccupiers.

•Improvedfunctioningandlowermaintenance costsforproductionorITequipment,as theyoperateinidealconditions.

•Longershelflifeandsafeguardingofproduct quality,asgoods–fromequipmenttofood orpharmaceuticals–arestoredin idealconditions.

We oFFer YOUpEACEOFMInD

WhenyouworkwithColt,youcancountonfullpeaceofmindinevery phaseoftheprojectandforthefulllifecycleofyoursystem,aswe:

LOOkATTHECOMpLETEpICTURE: Weknowhowabuildingworksandhaveextensivein-houseexpertiseinabroadrangeoftechnologies,includingsmokecontrolandperformancelouvresolutionsandsystems.

DESIGn Themostcost-effective,no-nonsensesolutionengineeredtomeetyourneedsandanyprevailingregulations,relyingonourfullin-housetechnicalresourcessuchasCADandCFD.

CuStomiSE Ourproductstofittheexactrequirementsofyourprojectand,wherenecessary,havethemspeciallytestedatourR&Dfacility.

Supply Ourhighqualityproducts,manufacturedatourfacilitiesunderBSEnISO9001andBSEnISO14001qualitycertificationandtestedtorigorousinternational standards (CEmarkedwhererequired).

inStall Ourexperienced,professionalprojectmanagementteamswilltakecareofeverything.

MAInTAInAnDSERVICE Wecanmaintainyoursystemtoensureitkeepsworkingatitsmostefficientthroughoutitslifecycle,aswellasprovideyouwithrelevantadvice.

train Weadvisethroughallphasesoftheprocess.Weofferseminars,someofwhichareCpDaccredited,bothfacetofaceandbywebinars.

COLTLOOkSATTHECOMpLETEpICTURE Coltisabletoapplyitsextensiveknowledge ofhowabuildingworksanditsexpertise inabroadrangeoftechnologies–from naturalventilationtoevaporativecooling, fromHVACandmechanicalventilation toindustrialheating–inordertodesign acustomsolutionthattakesintoconsiderationallthesefactors.

Coltcanalsobringtotheprojectitsuniqueexpertiseacrossdifferentspecialties,sothat itsclimatecontrolsolutionscanbeintegratedwithsolarshadingandsmokecontrolsystems.