IndAC2

INDUSTRIALAIRCURTAIN

LeadingreferencesBMW

VW

Bosch

MAN

Unilever

IndAC industrialaircurtain2

HighclimateseparationefficiencywiththeIndAC industrialaircurtainOptimalclimateseparationTheBiddleIndAC industrialaircurtain,istheperfectsolutionforseparatingclimatesinindustrialbuildings.TheIndAC air

curtaincanbeusedforclimateseparationbetweenindoorandoutdoorenvironmentsandforindoorclimateseparation.Whena

doorisopen,thedifferencebetweentheinsideandoutsidetemperatureleadstoanexchangeofair,resultingincoldairentering

andwarm,heatedair,flowingout.WhentheIndAC aircurtainismountedaboveornexttoanopendooritprovidesavery

efficientseparationoftwoclimatesatthelowestenergyconsumption.Thecomfortofstaffoperatingnearthedoorisimproved

byheatingtheaircurtainoutletstreamthuspreventingdraught.Acorridormightseemarelativecheapoptionbutitmakes

logistic,suchastrafficandstockmovements,harder.Afastrollershutterdoormayneedtobereplacedeveryfewyearsand

requiresregularmaintenance.Anaircurtainenablesfastandsafelogisticsandsavesenergyatthesametime.Thereforethe

IndAC offersahighreturnoninvestment.

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EasylogisticsByseparatingtheoutdoorclimatefromtheindoor

conditionedenvironmenttheIndAC makesitpossibleto

keepthedooropenwhilstmaintainingtheindoor

temperatureandpreventingenergyloss.Theaircurtainwill

contributetocomfortableworkingconditionsbecauseit

preventscoldairenteringthebuilding.TheIndAC keeps

theentranceaccessiblefortransportwithsaferandfaster

logisticsandeasytrafficmovementsasaresult.

EnergysavingWiththeautomaticcontroloptionfitted,theIndAC

continuouslyselectsthecorrectsettings.Theautomatic

controlincombinationwithsteplessfansensuresthatthe

settingsarealwayssetveryprecisely,whichresultsinhigh

separationefficiencyandenergysavings.Oncetheair

curtainisinstalledandcommissionedtheuserdoesnot

havetoworryaboutthesettings,astheoutputofthe

IndAC willadjusttomeetthechallengesofthe

environment.

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IndAC industrialaircurtain2

Water&Ambient

VariousheatingsourcesTheIndAC aircurtainissuitableforconnectiontowaterorelectricheatingsources.Ambient

models,withoutaheatedairstreamarealsoavailableforuseinenvironmentswithahigh

ambienttemperatureandforotherspecificapplications.

ApplicationareasTheaircurtainisspecificallydesignedforuseinfactories,warehouses,logisticscentresand

productionhallsbutcanalsobeusedincoldstores.

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ThermographicproofByviewingathermographimageofadoorway,theperformanceofanaircurtaincanbefully

appreciated.Heatradiation,whichisinvisibletothehumaneye,isrecordedusingaspecial

measuringscreenandahigh-resolutionthermalcamera.Thecameramakesthetemperature

oftheairflowvisibleandshowsthattheIndAC aircurtainperfectlyseparatesindoorand

outdoorclimates.Theupperimageontherightshowscoldairenteringoverthefloorwhenthe

aircurtainisswitchedoff.Theotherimageshowsthatwhentheaircurtainisswitchedon,the

aircurtainseparatestheclimateperfectly.

Aircurtainswitchedoff

Aircurtainswitchedon

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BenefitsIndACOptimalclimateseparation-separationefficiency–rectifiertechnology

-stableindoorclimate-nodraughts

-comfortableworkingconditions

Easylogistics-accessibleentrance

-saferandfastertransport

Energysaving-exactsettings

-maximumefficiency

Andevenmore....-highperformancesteplessfans

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IndAC automaticcontrol2

LetIndAC doallthework!AutomaticcomfortWithchangingweatherconditionsandinsufficientattentiontoorknowledgeofanaircurtain,itfrequentlyoccursthatanair

curtainisnotproperlyset.Itblowseithertoostrongortooweak,withadischargetemperaturethatistoohighoritisnot

switchedonatall.Asaresultthereisenergyloss,lowcomfort(draught)andanunnecessarilyhighnoiselevel.

Specificallybecauseaircurtainsareintendedtosaveenergyandprovideahighdegreeofcomfort,Biddlehasdevelopedthe

fullyautomaticandenergysavingCHIPS-technology.TheCHIPS-technologyadjuststhedischargetemperatureandthestrength

oftheairstreamtothechangingconditionsroundthedoorwayindependentofeachother.Thetechnologyhasbeentranslated

intoafullyautomaticcontrolforIndAC industrial aircurtain.ThediagrambelowclarifiestheoperationoftheCHIPS-technology

invariousconditions.

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Thesituationinthemidddleistheoptimalsituation:

Sufficientstrengthto

reachthefloor(optimum

climateseparation)and

sufficientheatingtoheat

incomingairtotheindoor

temperaturerequired.

(comfort)

EnergysavingDuetotheCHIPS-technologytheIndAC aircurtainalwaysfunctionsinthecorrectspeed,withoptimalenergysavingsasa

result.TheenergysavingsoftheIndAC withautomaticcontrolcanincreasebyupto75%comparedtoamanualcontrolled

conventionalaircurtain.

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IndAC automaticcontrol2

IntelligentsoftwareItisnotonlyweatherconditions,suchastheoutsidetemperature,windvelocityandwinddirection,thatcanchangeatanytime

oftheday,buttheindoorclimatechangestoobecauseoflightning,useofdoorsandfrequencyofcustomervisits.Thereforethe

aircurtainhastoadaptcontinuouslytothesechangingconditions.SensorsensurethatmodelIndAC issuppliedwithalldetails

regardingtheclimateoutsideandinsidenearthedoorway.AlltheinformationiscontinuouslytranslatedbytheCHIPStechnology

intothecorrectsettingoftheaircurtain.ThetemperatureandfanspeedoftheIndAC areautomaticallyadjustedsothattheunit

isalwaysoperatingatthedesiredsettingnomatterthecircumstance.Aconstant,comfortableandenergyefficientindoor

climateistheresult.

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1. b-touch

2. Outsidetemperature

sensor

3. Dischargetemperature

sensor

4. Airinlettemperature

sensor

5. Doorcontactswitch

Thedesiredroomtemperatureissetbytheuserintheb-touchcontrolpanel(1).Theoutsidetemperaturesensor(2)measurestheoutdoortemperature.Thefanspeedoftheaircurtainisdeterminedbasedonthesetroomtemperature,theoutside

temperatureandthedoorheight.Theairinlettemperaturesensor(4)measurestheactualroomtemperature.Basedonthisroomtemperaturethedischargetemperatureisbeingcalculated.Ifnecessary,thefanspeedisadjusted.

PrecisesettingsTheaircurtainisequippedasstandardwithenergysavingandhighperformanceECfans.Thesefanshavesteplesscontrol.

Theautomaticcontroldoesnothavetochoosebetweenpre-determinedspeedsettings,butcanbesettotheexactlevel

required.Thisprovidesamaximalseparationefficiency,whilstkeepingtheenergysavingsatanoptimallevel.

IndAC automaticcontrol2

User-friendlytouchscreenThefullyautomaticIndAC comeswithBiddle’stouchscreencontrolpanel:theb-touch.Thesimplemenustructureoftheb-touchmakesitveryeasytochoosethedesiredsettingsusing

theclearpresetmenu.TheIndAC canbeautomaticallysetupusingtheintelligentsoftware

whichissituatedinsidetheaircurtain.Usageandfaultdiagnosticdatacanbeeasilyextracted

viatheb-touchdataport.Thedataportalsopermitssoftwareupdates,whichmeansitisno

longernecessarytoopentheunitforthis.Extractinginformationfromtheaircurtaincaneasily

beachievedviatheb-touch.Onceset,thecontrolpanelisnolongernecessary.

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ModbuscommunicationTheIndAC fittedwithautomaticcontrolenablescommunicationviaModbusfromaremotePCorBMSsystem.Ifrequiredb-

touchandModbuscanbeusedinparallelallowinglocalandremotecontroloftheaircurtain.

MultipleunitsWhenmoreunitsareconnected,thefirstunitwilloperateasmaster,theothersasslave.Inthatcase,onlythemasterunit

containstheintelligentsoftware.Amaximumofthreeunitscanbecontrolledviatheb-touchcontrolpanel.

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BenefitsautomaticcontrolAutomaticcomfort-self-regulating

-underallcircumstances

-intelligentsoftware

Energysaving-upto75%energysavings

-alwayscorrectsettings

-maximumseparationefficiency

User-friendly-touchscreencontrolpanel:b-touch

-Modbuscommunication

IndAC basiccontrol2

b-controlAccuratesteplesscontrolTheb-controlisa0-10Vpotentiometerthatfunctionssteplessandmakesiteasyto

manuallysettheaircurtainaccuratelytothedesiredfanspeed.Tobeassuredofthebest

possibleclimateseparationthemanualsettingshouldbeadjustedtocircumstancesseveral

timesaday.

AutomaticonandoffUseoftheoptionaldoorcontactswitchenablestheIndAC tobeautomaticallyswitchedon

whenthedooropensandoffwhenthedoorisclosed.

EnergysavingTheIndAC isstandardequippedwithenergysavingandhighperformanceECfans.These

fanssupportthesteplessoperationoftheb-control.

ControlofmultipleunitsWithoneb-controlmultipleunitscanbecontrolled.TheIndAC STcancoverdoorwidthsof5

meters.TheIndAC MXcancoverdoorwidthsof7,5meters.

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Benefitsbasiccontrol-Steplesscontrol(0-10V)

-EnergysavingECfans

-Easytocontrol

-Controlofmultipleunits

IndAC technology2

PatentedDoubleRectifierWhenadoorisopen,thedifferencebetweentheoutsideandinsidetemperatureleadstoan

exchangeofair,resultingincoldairenteringandwarmheatedairflowingout.Anaircurtain

aboveornexttotheopendoorprovidesseparationofthetwoclimates.Whilstdevelopingthe

IndAC ,Biddlechosetouseitswell-knownoutletdischargepattern,theDoubleRectifier.The

IndAC isequippedwithradialbackwardcurvedfanswhichhomogeneouslydistributetheair

acrossthewholedischargeopening,producinghighefficiencyandcomfortlevels.

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IfaconventionalindustrialaircurtainwithoutarectifierdischargesairatthesamevelocityasaunitwithaDoubleRectifier,the

downwardpenetrationistangiblyless.Theairstreamdoesnotreachthefloor,andtheopendoorisnotcoveredoffproperly.

Consequencesincludedraught,lossofheatandcomfortcomplaints.

ExcellentdownwardpenetrationDuetotheindustrialaircurtainwithaDoubleRectifiertheincomingcoldairisheatedsothatitisnolongerexperiencedas

draught.TheDoubleRectifierhasverticalfinsmountedontopofthehorizontalfinstostreamlinetheairflowinabetterway,

resultinginanexcellentdownwardpenetration.

TheIndAC makessuretheair,whichisabouttoflowoutthroughtheopendoor,staysintheroom.TheDoubleRectifier,which

minimizesturbulenceinthedischargeairstreamandsurroundingair,ensuresthattheairmovementgeneratedbythefans,is

directeddownwardinadeeplypenetratinglaminarairstream.Asaconsequencetheenergyconsumptionisreducedand

comfortlevelsareincreasedallyearround.

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IndAC possibilities2

AsolutionforeverysituationTypesTheIndAC isavailableinastandard(ST)andamaximal

version(MX).Theselectionisbasedonthedoorheights.

IndAC ST:3-6m

IndAC MX:5-8m

LengthsIndAC ST:150,200and250cm

IndAC MX:150and225cm

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Coiltypes

H1 WaterheatingHighwatertemperatures1rowelement

H2 WaterheatingLowwatertemperatures2rowelement

E ElectricalheatingOnlyavailablewithautomaticcontrolOnlyavailableinST

A Ambient,noheatingcoilH1p Waterheating

HighwatertemperaturesHighpressureOncustomerorder,alwayswithweldedflanges

ControloptionsAutomaticcontrolwithb-touchcontrolpanelandCHIPSTechnology

Basiccontrolwithb-control(0-10V)

BMS:Modbuscommunication(automaticcontrol)

MountingIndAC aircurtainsincombinationwithanautomaticcontrolcanbeinstalleddirectlyabovethedoor.IndAC withbasiccontrol

canalsobeinstallednexttothedoor.Differentinstallationpositionsarepossibledependingontheroomlayoutaroundthedoor.2 2

IndAC possibilities2

InstallationpositionTheavailableroomlayoutaroundadoordetermineswhereandhowanaircurtaincanbebestinstalled.Thankstoadiverse

rangeofinstallationpositions,theIndAC aircurtaincanbematchedtotheconstructionalpossibilitiesofferedbythelocal

situation.Dependingonthesituation,theaircurtainiseitherinstalledhorizontallyaboveorverticallynexttothedoor,coveringthe

fulllengthorwidthofthedoorway.Fortheverticalpositiontherearetwooptions:squaretothewallandparalleltothewall.The

unitshouldalwaysbepositionedasclosetothedooraspossible.Incasethesituationdoesnotallowapositionclosetothe

door,Biddleoffersoptionalsideshields.Thereareatotaloffiveinstallationpositions,whichareshownbelow.

0=Horizontal,abovedoor

1L=Vertical,leftside,squaretowall

1R=Vertical,rightside,squaretowall

2L=Vertical,leftside,paralleltowall

2R=Vertical,rightside,paralleltowall

ModulardesignThemodulardesignoftheIndAC facilitatestheinstallationofmultipledevicesnexttooraboveeachother,inordertocoverall

doorheightsorwidths.TheIndAC STwithb-controlcancoverdoorwidthsof5meters.TheIndAC MXwithb-controlcan

coverdoorwidthsof7,5meters.Withtheautomaticb-touchcontrolmaximalthreeunitscanbeconnected.Fortheexact

amountofyourspecifictypeofaircurtain,pleaseinformthesalesdepartmentofBiddlebv.Theywillbehappytogiveyoua

tailor-madeadvice.

EasytomountandcleanThevariouspartsoftheIndAC areveryeasytoaccess,makingiteasytoinstall,maintainandclean.Theunitcontainsa

minimumof‘internalobstacles’,resultinginasmoothairflowthroughtheunitinwhichdusthaslittlechanceofcollecting.

DesignTheIndAC hasarobustandmoderndesign.Withthepronouncedindustrialdesignofthisaircurtain,theappearanceis

consistentwiththelatestdevelopmentswithintheindustry.

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IndAC standarddelivery&accessories2

What'sinitforme?Standarddelivery

twosuspensionbrackets-forhorizontalinstallation

twocouplingplates–forverticalinstallation(onlyforbasicunit)

wallbracket–forverticalinstallation(onlyforbasicunit)

Thesecomponentsarealsoneeded:automaticcontrol(b-touch)orbasiccontrol(b-control)

baseplate/plinth(requiredforverticalinstallation)

Optional:filtermodule(filterG4)forIndAC ST

flanges

sideshields

OperatingpackageTheunitcanbesuppliedwithabasiccontroloranautomaticcontrol.Acorrespondingoperatingpackageissupplied.

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Automaticcontrolb-touchtouchscreencontrolpanel

Biddlecontrolcable

outdoortemperaturesensor

doorcontactswitch

water-sidecontrol(valveandactuator)

roomsensorforautomaticCHIPScontrol(optional)

Basiccontrolb-control0–10Vsteplessfancontroller

doorcontactswitch(optional)

IndAC connections2

Electricalconnections

1. b-touch

2. Doorswitch

3. Outdoorsensor

4. Roomsensor(optional)

5. Valveactuator

1. b-control

2. Doorswitch(optional)

Automaticcontrol

Basiccontrol

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