NOZ2

MULTI-DIRECTIONALAIRHEATER

NOZ airheater2

Energy-efficientheatsourceprovidescomfortinlargeroomsWhenitcomestoprovidinglarge,andoftenhighbuildings,withthebestpossiblesourceofefficientheatingBiddlehasthe

solution;anairheaterthateasilysurpassesotherairheaters.Combininghighenergysavingswithacomfortableworking

environmentisachallengethattheNOZ takesonwithverve.TheNOZ meetstheserequirementswithitscompelling

customerbenefitssuchasoptimaldistributionofair,minimallossofheatandfullyautomaticcontrol.

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BiddleNOZ airheater:optimalairdistribution&minimalheatloss

Conventionalceilingandwallheaters:largetemperaturedifferences&highheatloss

Energy-savingclimatecontrolTheNOZ airheateristheidealenergy-efficientsolution.

TheNOZ minimisestemperaturedifferencesintheroom

andheatlosstotheoutsideenvironment.Warmairnaturally

risesuptotheceiling.Adjustablenozzlesgraduallyre-

distributethewarmairfromtheceilingtothefloorlevel.

Warmairisdischargeddownwardthroughthenozzleswith

highvelocityandinducesmovementofthesurroundingair.

Asaconsequenceheatedairisdistributedoptimally

throughouttheroom.TheNOZ hasalargeinfluencearea,

whichmeansfewerdevicesmayberequired.The

temperatureatthetopoftheroomdropsconsiderablyby

usingtheinducingeffectoftheNOZ .Asaresult,less

heatedairescapesoutsideviatheroofandwalls,which

resultsinconsiderableenergysavings.Furthermoreon

average15%lesspowerisconsumedtoheatuptheroom

thanwithconventionalheatingdevices.

AutomaticheatingwhereneededWhentheNOZ isfittedwithautomaticcontrolsitconstantly

maintainsthesettemperature.Thenewenergyefficient(EC)

fanshavesteplesscontrol,whichensuresthefanrunsat

theoptimumspeed.TheNOZ energyefficiencyisfurther

enhancedbyusingthefanstoprovidedestratificationso

thatthewarmairatceilinglevelisre-usedtoautomatically

maintainacomfortableworkingenvironmentatfloorlevel.

Allthisisachievedwithoutanyneedfortheusertoadjust

thecontrols.

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Leadingreferences:AKZONobel

DaimlerChrysler

Edeka

Ford

Grolsch

MAN

Netto

Opel

NOZ airheater2

VariousheatsourcesTheNOZ canbeconfiguredtobesuitableforanydesiredheatingsourceincludingwater

heating,ambient,gasand/orventilationmodels.

ApplicationsTheNOZ airheatersaresuitableforroomsfrom4to16minheightsuchasfactories,

storagerooms,warehouses,DIYshopsandsportshalls.

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BenefitsNOZEnergy-savingclimatecontrol-Powerconsumptionreducedby15%

-Optimalairdistribution:largeinfluencearea&

fewerdevices(adjustablenozzles)

-Efficientre-useofenergy

-Minimisedheatloss

Automaticheatingwhereitisneeded-Comfortableindoorclimate

-Highairdisplacementduetoinductioneffect

-Alwaysatthecorrectsetting(automaticcontrol)

Andevenmore….-HighperformancesteplessEC-fans

-Automaticcontrol(optional)

-Adjustabledischargepattern

-Easytooperate&maintain

-Modelsavailableforwaterheating,ambient,gasand

ventilationapplications

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NOZ automaticcontrol2

AutomaticcomfortandenergysavingsInlargeandhighspaces,variableconditionsbothinsideandoutsidethebuildingoftenresultinaclimatewhichisdifficultto

control.Theeffortlessrealisationofacomfortableindoorclimateatthelowestpossibleenergycostsisanidealscenariofor

manycompanies.ThefullyautomaticBiddleNOZ airheatermakesthispossible.

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ConstantandoptimalTheindoorclimateisautomaticallycontrolledbasedontheroomtemperaturesetbytheuser.

TheheatoutputandfanspeedoftheNOZ areautomaticallyadjustedsothattheunitis

alwaysoperatingatthedesiredsettingnomatterthecircumstance.Aconstant,optimaland

energyefficientindoorclimateistheresult.TheautomaticNOZ airheaterprovidesthebest

possibleairdistributionandminimumheatlosswithoutrequiringtheusertomakeany

changesoradjustmentstoachievethis.

TouchscreenandintelligentcontrolTheautomaticcontroloftheNOZ containstwowell-knownBiddlefeatures:theintelligent

CHIPStechnologyandtheb-touchuserfriendlytouchscreencontrolpanel.Bycombiningdatafromvarioussensors,theCHIPStechnologyensuresthattheairheateralwayshasthe

bestpossiblesetting.

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IntelligentCHIPS-technologyTheautomaticcontrolwithCHIPStechnologyisconstantlysearchingforthebestpossiblemixofairvolumeandheatforthe

correctoperationoftheNOZ .TheCHIPStechnologyadjuststheseindependentlyofeachothertosuitthevarioussituationsin

theroom.2

1. b-touchcontrolpanel

2. roomtemperature

sensor

3. dischargetemperature

sensor

NOZ automaticcontrol2

CHIPS-technologyOptimalanddirectedairdistributionToachievetheidealairdistribution,itisveryimportanttoset

thenozzlesatthecorrectangle.Dependingonthefloorarea

tobeheatedandtheheightoftheroom,theinstallation

heightandthenozzleangleneedtobeprogrammedintothe

b-touch.Airspeedwillthenbecontinuouslyadjusted

basedonthetemperaturedifferencebetweenthe

dischargedair(3)andthemeasuredroomtemperature(2)atfloorlevel(1.5m).Inthisway,theairdistribution

(destratification)throughouttheroomisoptimisedandtheair

willalwaysreachthefloor.

ComfortableindoorclimateHeatisregulatedbasedontheroomtemperaturesetonthe

b-touch(1).Theintelligentsoftwareintheintegratedroomtemperaturecontrolaccuratelydetermines(sensor2)theheattobeaddedinordertomaintainthedesiredroom

temperatureatfloorlevel.First,useismadeofavailable

heatfromahighlevelintheroom.Next,thewatervalve

preciselyregulatesthequantityofheatinordertomaintain

thesettemperatureatfloorlevel.Therequiredairvolumeis

automaticallyadjustedaccordingly.

Sufficientairspeedinordertoreachthegroundandsufficientheatinordertoheattheinducedairinsuchawaythatthedesiredroomtemperature(comfort)isreached.

ConventionalcontrolledairheaterRegardingconventionalairheatersonlythespeediscontrolledmanuallyorautomatically.Inthiswaytheairvolumeandheat

areinterlinked.Incontrast,theBiddleautomaticcontrolregulatestheairvolumeandheatindependentlyofeachother,which

ensuresanidealsituation.

NOZ automaticcontrol2

b-touchTheuser-friendlyb-touchcontrolpanelhastheabilitytosetallNOZ functions,suchasswitchingtheuniton/offandadjusting

roomtemperature,butalsosituation-specificsettings.BecausetheintelligenceoftheautomaticNOZ isintegratedintheunit,

theNOZ canalsofunctionwithouttheb-touch.Theb-touchisthenusedasaservicepanel.Theb-touchoffersthefollowing:

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manualandautomode

programmabletimer

touchscreencontrol

statusdisplay

4languagenavigationmenu:English,Dutch,GermanandFrench

convenientconfigurationwizardfortherequiredonsitesettings

screensecuritywithpersonalPINcode

possibilityforintegrationofcompanylogo

easytobeputoutsidetheroomorinacasing

AnalysistoolTheb-touchhasanUSBportatthebottomforexportinguserdata,importingandexportingsettingsandupdatingnewsoftware.

ThisofferstheusertheopportunitytomonitortheoperationoftheNOZ and,whennecessary,toadjustsettings.

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NOZ airheater:foracomfortableindoorclimate

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NOZ automaticcontrol2

Andmore...ModbusTheautomaticallyregulatedNOZ hastheabilitytocommunicateusingtheModbusprotocol.

ThismakesremotecontrolwithaBMSsystemquiteeasy.TheModbusandtheb-touchcan

beusedinparallel,sothatlocalcontrolandremotecontrolcanoccursimultaneously.

EnergyefficiencyTheNOZ issuppliedasastandardwithenergyefficientECfans,enablingsteplesscontrol.

ComparedtotraditionalACfansthiswillleadtoconsiderablesavings.

ControlofmultipleunitsAsingleb-touchcanbeusedtoregulateamaximumof5units.Whenventilationisprovided,

eachunitmustbeequippedwithab-touchcontroller.

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BenefitsAutomaticcontrol-Self-regulating:alwaysmaintainstherightsettings

-Aconstantlycomfortableindoorclimate

-Mostenergyefficientclimatesolution

Touchscreenandintelligent-b-touchcontrolpanel

-BestpossiblesettingduetoCHIPStechnology

Andmore...-Steplesscontrol(ECfans)

-CommunicationbyBMS/Modbuspossible

NOZ basiccontrol2

b-controlSteplesscontrolTheb-controlisamanual0–10Vpotentiometer,whichiscontinuouslyvariableandcanbe

easilysettothedesiredfanspeed.Whenusingthebasiccontrolitisnecessarytomanually

adjusttheNOZ throughoutthedaytocompensateforchangesintheenvironmentand

outsidetemperatures.

AutomaticonandoffUseoftheoptionalroomthermostatenablestheNOZ tobeautomaticallyswitchedonin

ordertoobtainthesetroomtemperatureandoffoncetheroomtemperatureisreached.

EnergyefficiencyTheNOZ issuppliedasastandardwithenergyefficientECfansasstandard,enabling

steplesscontrol.ComparedtotraditionalACfansthiswillleadtoconsiderablesavings.

ControlofmultipleunitsAsingleb-controlcanbeusedtocontrolamaximumof5units.

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Benefitsb-control-Steplesscontrol(0–10V)

-Automaticon/off(bymeansofaroomthermostat)

-Easytooperate

-Controlofmax.5units

NOZ technology2

Theairjetcauses

surroundingstagnantairto

move(induction)

OptimumairdistributionbyinductionTheNOZ isequippedwithsixindividuallyadjustablenozzles.Thenozzlesdeterminetheair

directionandthusthedepthandtheareaofinfluenceoftheairheater.Warmairisblownout

throughthenozzlesathighspeed.TheairjetfromtheNOZ drawsinthesurrounding,

stationaryair,sothatagoodmixtureofairisachieved.Thisistheinductiveeffectoftheair

heater.Theheatisquicklyandevenlydistributedthroughoutthelargespace.Asaresult,

outsideheatlossthroughtheceilingandwallsisminimised.Duetothestronginductiveeffect,

theinductionairflowrateof10timestheprimaryairdisplacement,thetemperaturegradientis

only0,25°Cpermetrecontrarytoconventionalairheaters.Thelargeareaofinfluenceofthe

NOZ isoneofthereasonswhyfewerunitscancomfortablyheatalargespace.

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BenefitsInduction-Quickandevenairdistributionthroughouttheroom

-Minimumheatlossthroughceilingandwalls

-Lowtemperaturegradient(minimumdifferencein

temperature)

-Largeairdisplacementduetoinduction

-Fewerunitsduetolargeareaofinfluence

NOZ possibilities2

Asuitablesolutionforeverysituation

Possibilities:Suspendedceilingmodel

Forceilingheightsbetween4-16m

Recirculationand/orventilationunit

Twomodels:NOZ 25(smallrange)andNOZ 50

(largerange)

SupplyNOZ 25:230VandNOZ 50:400V

Heatsource:Water:seebelowforpossibilities

Ambient:withoutheating

Gas:withtheexceptionofNOZ 50(information

availableuponrequest)

Controloptions:Automaticcontrolwithb-touchcontrolpanelandCHIPS

technology

Basiccontrolwithb-control(0-10V)

BMS:Modbuscommunication

Standardcolours:CombinationRAL5011/9006

RAL9006

OtherRALcoloursavailableonrequest

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Typesofwatercoils:Standard:H2(2-row),H3(3-row)andH6(6-row)

TheNOZ withautomaticcontrolcanbeprovidedformanywaterranges(max.watertemperature120°C)Thedischarge

temperatureislimitedbythecontrolto50°C.Inthecaseofanuncontrolledbasicmodel,considerationshouldbegiventothe

maximumtemperaturesof90/70°CfortheH2,80/60°CfortheH3and60/40°CfortheH6.

Onrequest:H1p(1-row)Suitableforhighwatertemperatures(130/110°C,150/130°Cand175/155°C)andforhighpressure(max.23,8bar).

Deliveredwithweldedflanges.

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NOZ selection2

FortherightNOZTherearetwomodelsavailableintheNOZ range.Themodelsaredesignedtobemountedatdifferentheightsasshowninthe

tablebelow.

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mountingheight¹ influenceareaNOZ 25 2,8–8,5m 100–400mNOZ 50 3,5–14m 200–800m

Themountingheightismeasuredfromthebottomoftheunittothefloor.

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IdealdischargedirectionTooptimisethedistributionofthedischargedair,thenozzlescanbeadjusted.Theidealdischargedirectiondependson

theinfluenceareaandthemountingheight.ThesetwofactorshaveasignificantinfluenceontheselectionoftheNOZ .

Representationofthemountingheight(H)andthediameteroftheheatedfloorarea(D).

ThecompletionofthebelowstepswillleadtotheidealdischargedirectionandthecorrectselectionoftheNOZ

1.Influencearea(heatedfloorarea)Basedonthedimensionsoftheroom,thediameter(D)oftheheatedfloorareawillbedetermined.DuetotheinducingeffectoftheNOZ alargerareawillbeheatedthanthediameteroftheheatedarea.

2.MountingheightThemountingheight(H)isthedistancebetweenthefloorandthebottomoftheunit.

3.Idealdischargedirection

Bymeansofthetableonthenextpagethecorrectnozzleangle(α)canbeselected.

4.ModelandnumberofNOZ airheatersBymeansofthetableonthenextpagetheNOZ modelandthenumberofdevicescanbeselected.

5.SelectionNOZTheselectiondependsontheappliedheatsource(water,ambientorgas),thedesiredroomtemperatureandthepower

consumption(kW).ThefinalselectionoftheNOZ isbasedonthetechnicaldata.

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NOZ selection2

DischargedirectionandselectionDuetothestronginductiveeffect,theinductionflowrateis10timestheprimaryairdisplacementandthetemperaturegradient

isonly0,25°Cpermetrecontrarytoconventionalairheaters.ByapplyingaNOZ onaverage15%willbesavedonthe

powerconsumption(kW)(basedonISSO57heatlosscalculation-TheNetherlands).

Nozzleanglebasedonmountingheightanddiameteroftheheatedfloorarea

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D[m] 10 12,5 15 17,5 20 22,5 25 27,5 30 32,5H[m] 3 42 36 31 27 24 22 - - - -4 50 44 39 34 31 28 26 24 22 205 - 50 45 41 37 34 31 29 27 256 - - 50 46 42 39 36 33 31 297 - - - 50 46 43 40 37 35 338 - - - - 50 47 44 41 39 369 - - - - 53 50 47 44 42 4010 - - - - - 53 50 47 45 4311 - - - - - - 53 50 48 4512 - - - - - - - 53 50 4813 - - - - - - - - 52 5014 - - - - - - - - - 52

NOZ 25NOZ 50

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ExampleNOZ selection

Roomdata:Dimensions:30x15m,height:6m

Roomtemperature:15°C

Waterrange:80/60°C

Heatloss(conventional):54kW

Steps:1.D=15or30(dependingonNOZ model)

2.H=5m

3.α=45or27(dependingonNOZ model)

4.2xNOZ 25or1xNOZ 50

5.kW=46(-15%comparedtoconventionalairheaters)

2xNOZ 25or1xNOZ 50

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BasedontheNOZ technicaldata(withanairinlettemperatureof15°C)thebelowmaximalheatingcapacitiesapplyforeach

model.BecausetheNOZ 25withtheH2heatingcoiljustdoesnotmeettherequiredpowerof46kW,themaximalheating

capacityisalsocalculatedfortheH3heatingcoil.ToconverttheH3coilto80/60°Cthecorrectionfactoris1,71.

-2xNOZ 25:H2=42,2kW,H3=72,6kWand1xNOZ 50:H2=46,7kW

Thefinalchoicedependsonmorefactorslikethelayoutandfunctionoftheroomandtherequiredsoundlevel.Basedonthe

totaloverviewthechoicewillbemadebetween2xNOZ 25-H3or1xNOZ 50-H2.

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NOZ delivery&accessories2

Water&ambientversionsWithregardtocontrolandmountingoftheNOZ airheatervariousaccessoriesareavailable.

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b-touchcontrolpanel

Suspensionframe

Standarddelivery:EnergyefficientECfans(steplesscontrol)

Integratedisolationswitch

Control/operation:Automaticcontrolincl.CHIPStechnologyor

Basiccontrol

Controlaccessoriesautomaticcontrol:b-touchcontrolpanel

Roomtemperaturesensor

Water-sidecontrol:valveandactuator(notinambientversion)

Biddlelow-voltagecable(35m)

Basiccontrol:b-control:potentiometer(0-10Volt)

Optional:roomthermostat

Installation:TherearetwooptionsfortheinstallationoftheNOZ :

Optional:suspensionframeforquickandeasyinstallation

M8threadedrods

Optional:Combinationofrecirculationwithventilation(seeventilationinformationsheet)

Plasticcapstocovermax.2nozzles

Separateflangesetforhotwaterconnection

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NOZ delivery&accessories2

VentilationversionNOZ isavailableinaventilationmodelinordertosupplyaroomwithfreshoutsideair.

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Roofcap

Filtermodule

3-waydampersection

1-waydampersection

Standarddelivery:Frost-protectionthermostat

-automaticcontrol:installedandwired

-basiccontrol:installed,butnotwired

AccessoriesventilationRoofcap

Ductsections:length0,5,1and1,5m

Filtermodule:filterclassG2

Automaticcontrol:Dampersectionincl.installedandwiredservomotorisnecessary

Basiccontrol:Dampersection:

-excl.servomotor

-incl.servomotorwithpull-backspring(notwired)

-incl.servomotorwithoutpull-back-springreturn(notwired)

Typesofdampersections:3-way:thisisusedinacombinationofventilation(supplyofoutsideair)andrecirculation(intakeofinsideair).Theproportionofthesetwoairflowscan,ifrequired,becontrolled.Even

intimesoffrostdanger,therecirculationfunctionmaybeusedtoheattheroom.

1-way:thisisusedinassembliesinvolving100%ventilation,sothatnomoistureorheatlossoccurswhentheairheaterisnotoperating.

NOZ connections2

ElectricalconnectionsTheNOZ isstandarddeliveredwithabuiltinisolationswitch,towhichthesupplycableof230Vor400Vcanbeconnected.

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1. b-touchcontrolpanel

2. roomtemperature

sensor

3. water-sidecontrol

1. b-controlregulator

2. roomthermostat

(optional)

Automaticcontrol

Basiccontrol

NOZ specifications2

SpecificationsCasingThecasingoftheairheaterismadeofzincplatedsheetsteelandhasaninspectionpanelat

theside.Thecone,nozzlesandtheringaremadeofplastic.Theunitisdeliveredasa

standardintwocolours:inRAL5011/RAL9006(steelblue/aluminium)andcompletelyin

RAL9006(aluminium).OtherRALcoloursareavailableatanextracharge.

Motor/fanassemblyThediagonalfanismadeupofaplastic(NOZ 25)oranaluminium(NOZ 50)impeller

andanexternalrotormotorwithECtechnology.Ifoverheated,themotorisprotectedby

thermalcontacts,whichwillbreaktheelectriccircuit.

HeatingcoilThehighefficientheatingcoilsaremadeupof3/8"copperpipesandaluminiumfins.The

waterconnectionsfortheNOZ 25areG3/4"andfortheNOZ 50G1".Theseconnections

arelocatedinthesideoftheunit.

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NOZ technicaldata2

NOZ 25-H2mountingheight m 2.8-8.5 influencearea m 100-400electricalsupply V/ph/Hz 230/1/50max.inputcurrent A 1,8max.inputpower kW 0,41max.specificfanpower W/l/s 0,39weight kg 37waterrange °C 80/60speed 2V 4V 6V 8V 10Vairvolume m /h 524 1365 2133 2926 3759powerconsumption kW 0,1 0,1 0,1 0,3 0,5soundpressurelevelat5m dB(A) 17 31 44 53 60airinlettemperature °C -10heatingcapacity kW 9,8 18,5 24,1 28,8 32,8dischargeairtemperature °C 40,1 26,2 20,2 16,2 13,3waterflowrate l/h 431 811 1056 1260 1439waterpressuredrop kPa 0,7 2,4 3,8 5,3 6,7airinlettemperature °C 0heatingcapacity kW 8,4 15,8 20,6 24,6 28,1dischargeairtemperature °C 44,3 32 26,7 23,3 20,7waterflowrate l/h 367 692 902 1077 1231waterpressuredrop kPa 0,6 1,8 2,9 4 5,1airinlettemperature °C 10heatingcapacity kW 7 13,2 17,2 20,5 23,4dischargeairtemperature °C 48,2 37,7 33,1 30,1 27,9waterflowrate l/h 306 577 753 899 1028waterpressuredrop kPa 0,4 1,3 2,1 2,8 3,6airinlettemperature °C 15heatingcapacity kW 6,4 11,9 15,5 18,5 21,2dischargeairtemperature °C 50,6 40,4 36,2 33,5 31,4waterflowrate l/h 280 521 679 811 928waterpressuredrop kPa 0,3 1 1,7 2,4 3airinlettemperature °C 18heatingcapacity kW 6 11,1 14,5 18,5 19,8dischargeairtemperature °C 51,7 42 38,1 35,5 33,5waterflowrate l/h 262 488 636 759 868waterpressuredrop kPa 0,3 0,9 1,5 2,1 2,7airinlettemperature °C 20heatingcapacity kW 5,7 10,6 13,9 16,5 18,9dischargeairtemperature °C 52,4 43,1 39,3 36,8 34,9waterflowrate l/h 250 466 607 725 829waterpressuredrop kPa 0,3 0,9 1,4 1,9 2,5

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NOZ technicaldata2

NOZ 25-H3mountingheight m 2.8-8.5 influencearea m 100-400electricalsupply V/ph/Hz 230/1/50max.inputcurrent A 1,8max.inputpower kW 0,39max.specificfanpower W/l/s 0,38weight kg 39waterrange °C 60/40speed 2V 4V 6V 8V 10Vairvolume m /h 511 1322 2078 2859 3674powerconsumption kW 0,1 0,1 0,1 0,3 0,4soundpressurelevelat5m dB(A) 17 31 43 53 60airinlettemperature °C -10heatingcapacity kW 9 17,9 23,9 28,9 33,4dischargeairtemperature °C 37,3 26,1 20,7 17 14,2waterflowrate l/h 393 775 1036 1256 1449waterpressuredrop kPa 0,7 2,4 4,1 5,8 7,6airinlettemperature °C 0heatingcapacity kW 7,4 14,4 19,3 23,4 27dischargeairtemperature °C 40,1 30,2 25,7 22,6 20,3waterflowrate l/h 321 626 837 1013 1169waterpressuredrop kPa 0,5 1,6 2,8 3,9 5,1airinlettemperature °C 10heatingcapacity kW 5,7 11,1 14,8 17,9 20,7dischargeairtemperature °C 42,2 34,1 30,5 28 26,1waterflowrate l/h 248 482 643 778 897waterpressuredrop kPa 0,3 1 1,7 2,4 3,1airinlettemperature °C 15heatingcapacity kW 4,9 9,5 12,6 15,3 17,6dischargeairtemperature °C 43,1 35,9 32,7 30,6 29waterflowrate l/h 213 412 548 662 763waterpressuredrop kPa 0,2 0,8 1,3 1,8 2,3airinlettemperature °C 18heatingcapacity kW 4,4 8,5 11,3 15,3 15,7dischargeairtemperature °C 43,6 37 34,1 32,1 30,6waterflowrate l/h 192 370 491 593 683waterpressuredrop kPa 0,2 0,6 1 1,5 1,9airinlettemperature °C 20heatingcapacity kW 4,1 7,9 10,5 12,6 14,5dischargeairtemperature °C 43,9 37,7 34,9 33,1 31,7waterflowrate l/h 179 342 454 548 630waterpressuredrop kPa 0,2 0,5 0,9 1,3 1,7

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NOZ technicaldata2

NOZ 25-H6mountingheight m 2.8-8.5 influencearea m 100-400electricalsupply V/ph/Hz 230/1/50max.inputcurrent A 1,3max.inputpower kW 0,29max.specificfanpower W/l/s 0,32weight kg 47waterrange °C 50/30speed 2V 4V 6V 8V 10Vairvolume m /h 443 1088 1785 2494 3215powerconsumption kW 0,1 0,1 0,1 0,2 0,3soundpressurelevelat5m dB(A) 16 31 43 52 59airinlettemperature °C -10heatingcapacity kW 8,9 19,1 28,1 35,8 42,7dischargeairtemperature °C 43,8 36,9 32 28,3 25,5waterflowrate l/h 385 825 1214 1549 1846waterpressuredrop kPa 1,3 5,1 10,3 16,1 22,1airinlettemperature °C 0heatingcapacity kW 7 14,9 21,9 27,9 33,2dischargeairtemperature °C 44 38 34 31 28,6waterflowrate l/h 304 645 946 1205 1435waterpressuredrop kPa 0,8 3,3 6,6 10,2 14airinlettemperature °C 10heatingcapacity kW 5,2 10,9 15,9 20,2 24dischargeairtemperature °C 43,9 38,8 35,6 33,2 31,4waterflowrate l/h 226 472 688 873 1036waterpressuredrop kPa 0,5 1,9 3,7 5,7 7,7airinlettemperature °C 15heatingcapacity kW 4,3 9 13 16,4 19,4dischargeairtemperature °C 43,6 39 36,2 34,2 32,6waterflowrate l/h 187 387 560 708 838waterpressuredrop kPa 0,3 1,3 2,5 3,9 5,3airinlettemperature °C 18heatingcapacity kW 3,8 7,8 11,2 16,4 16,6dischargeairtemperature °C 43,3 39 36,4 34,6 33,2waterflowrate l/h 164 335 483 608 718waterpressuredrop kPa 0,3 1 1,9 2,9 4airinlettemperature °C 20heatingcapacity kW 3,4 6,9 10 12,5 14,7dischargeairtemperature °C 43 39 36,6 34,9 33,6waterflowrate l/h 148 300 430 540 637waterpressuredrop kPa 0,2 0,8 1,6 2,4 3,2

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NOZ technicaldata2

NOZ 50-H2mountingheight m 3.5-14 influencearea m 200-800electricalsupply V/ph/Hz 400/3/50max.inputcurrent A 3,1max.inputpower kW 1,94max.specificfanpower W/l/s 0,76weight kg 64waterrange °C 80/60speed 2V 4V 6V 8V 10Vairvolume m /h 1523 3534 5611 7346 9236powerconsumption kW 0,1 0,2 0,5 1,1 2soundpressurelevelat5m dB(A) 28 42 54 62 69airinlettemperature °C -10heatingcapacity kW 25,3 43 56 64,6 72,6dischargeairtemperature °C 34,3 22,5 16,6 13,5 11waterflowrate l/h 1110 1886 2453 2832 3181waterpressuredrop kPa 1,1 3,1 5 6,5 8airinlettemperature °C 0heatingcapacity kW 21,6 36,7 47,8 55,2 62,1dischargeairtemperature °C 39,2 28,8 23,6 20,8 18,6waterflowrate l/h 945 1609 2095 2421 2721waterpressuredrop kPa 0,9 2,3 3,7 4,8 6airinlettemperature °C 10heatingcapacity kW 18 30,6 39,9 46,1 51,8dischargeairtemperature °C 43,8 34,8 30,4 28 26,1waterflowrate l/h 788 1341 1747 2019 2270waterpressuredrop kPa 0,6 1,6 2,7 3,5 4,3airinlettemperature °C 15heatingcapacity kW 16,2 27,6 36 41,6 46,7dischargeairtemperature °C 46,1 37,8 33,7 31,5 29,8waterflowrate l/h 711 1210 1576 1822 2048waterpressuredrop kPa 0,5 1,3 2,2 2,9 3,6airinlettemperature °C 18heatingcapacity kW 15,2 25,8 33,6 41,6 43,7dischargeairtemperature °C 47,4 39,6 35,7 33,6 32waterflowrate l/h 665 1132 1475 1704 1916waterpressuredrop kPa 0,4 1,2 1,9 2,5 3,1airinlettemperature °C 20heatingcapacity kW 14,5 24,7 32,1 37,1 41,7dischargeairtemperature °C 48,2 40,7 37 35 33,4waterflowrate l/h 635 1081 1407 1626 1829waterpressuredrop kPa 0,4 1,1 1,8 2,3 2,9

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NOZ technicaldata2

NOZ 50-H3mountingheight m 3.5-14 influencearea m 200-800electricalsupply V/ph/Hz 400/3/50max.inputcurrent A 3max.inputpower kW 1,85max.specificfanpower W/l/s 0,74weight kg 67waterrange °C 60/40speed 2V 4V 6V 8V 10Vairvolume m /h 1466 3457 5502 7207 9046powerconsumption kW 0,1 0,2 0,4 1 1,9soundpressurelevelat5m dB(A) 28 42 54 62 69airinlettemperature °C -10heatingcapacity kW 23,7 42,6 56,7 66,2 74,9dischargeairtemperature °C 33,2 22,9 17,5 14,5 12,1waterflowrate l/h 1029 1850 2459 2870 3249waterpressuredrop kPa 1,4 4,1 6,9 9,2 11,5airinlettemperature °C 0heatingcapacity kW 19,2 34,4 45,8 53,4 60,5dischargeairtemperature °C 36,2 27,6 23 20,5 18,5waterflowrate l/h 833 1494 1986 2319 2625waterpressuredrop kPa 1 2,8 4,7 6,2 7,8airinlettemperature °C 10heatingcapacity kW 14,8 26,5 35,2 41,1 46,4dischargeairtemperature °C 39 32 28,3 26,3 24,7waterflowrate l/h 644 1150 1527 1781 2015waterpressuredrop kPa 0,6 1,7 2,9 3,8 4,8airinlettemperature °C 15heatingcapacity kW 12,7 22,6 30 35 39,5dischargeairtemperature °C 40,3 34,1 30,9 29,2 27,8waterflowrate l/h 552 982 1301 1517 1715waterpressuredrop kPa 0,4 1,3 2,2 2,8 3,6airinlettemperature °C 18heatingcapacity kW 11,5 20,3 26,9 35 35,4dischargeairtemperature °C 41 35,3 32,4 30,8 29,5waterflowrate l/h 497 882 1167 1359 1536waterpressuredrop kPa 0,4 1,1 1,8 2,3 2,9airinlettemperature °C 20heatingcapacity kW 10,6 18,8 24,8 28,9 32,7dischargeairtemperature °C 41,5 36,1 33,4 31,9 30,7waterflowrate l/h 461 815 1077 1254 1417waterpressuredrop kPa 0,3 0,9 1,5 2 2,5

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NOZ technicaldata2

NOZ 50-H6mountingheight m 3.5-14 influencearea m 200-800electricalsupply V/ph/Hz 400/3/50max.inputcurrent A 2,2max.inputpower kW 1,34max.specificfanpower W/l/s 0,6weight kg 76waterrange °C 50/30speed 2V 4V 6V 8V 10Vairvolume m /h 1157 3039 4908 6454 8023powerconsumption kW 0,1 0,2 0,3 0,7 1,4soundpressurelevelat5m dB(A) 27 42 53 62 68airinlettemperature °C -10heatingcapacity kW 22,5 49,8 70,9 85,7 98,9dischargeairtemperature °C 41,9 33,7 28,5 25,4 22,9waterflowrate l/h 973 2151 3065 3704 4275waterpressuredrop kPa 2,3 9,6 18,3 25,8 33,5airinlettemperature °C 0heatingcapacity kW 17,7 38,9 55,2 66,7 76,9dischargeairtemperature °C 42,4 35,4 31,2 28,6 26,5waterflowrate l/h 765 1679 2387 2882 3323waterpressuredrop kPa 1,5 6,1 11,6 16,3 21,2airinlettemperature °C 10heatingcapacity kW 13,1 28,3 40 48,2 55,5dischargeairtemperature °C 42,5 36,8 33,4 31,4 29,8waterflowrate l/h 566 1225 1730 2082 2397waterpressuredrop kPa 0,8 3,4 6,5 9 11,7airinlettemperature °C 15heatingcapacity kW 10,8 23,1 32,5 39 44,8dischargeairtemperature °C 42,3 37,2 34,3 32,6 31,3waterflowrate l/h 468 1000 1405 1686 1936waterpressuredrop kPa 0,6 2,4 4,4 6,2 7,9airinlettemperature °C 18heatingcapacity kW 9,4 20 27,9 39 38,4dischargeairtemperature °C 42,1 37,4 34,8 33,3 32,1waterflowrate l/h 408 864 1208 1446 1658waterpressuredrop kPa 0,5 1,8 3,4 4,7 6airinlettemperature °C 20heatingcapacity kW 8,5 17,9 24,9 29,7 34dischargeairtemperature °C 41,8 37,4 35 33,7 32,6waterflowrate l/h 368 771 1074 1283 1469waterpressuredrop kPa 0,4 1,5 2,7 3,8 4,8

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NOZ technicaldata2

NOZ 25-Aelectricalsupply V/ph/Hz 230/1/50 max.inputcurrent A 1,9 max.inputpower kW 0,43 max.specificfanpower W/l/s 0,4 weight kg 29 speed 2V 4V 6V 8V 10Vairvolume m /h 534 1400 2176 2980 3827powerconsumption kW 0,1 0,1 0,2 0,3 0,5soundpressurelevelat5m dB(A) 17 32 44 53 60

NOZ 50-Aelectricalsupply V/ph/Hz 400/3/50 max.inputcurrent A 3,3max.inputpower kW 2,01max.specificfanpower W/l/s 0,77weight kg 58speed 2V 4V 6V 8V 10Vairvolume m /h 1569 3596 5699 7458 9387powerconsumption kW 0,1 0,2 0,5 1,1 2,1soundpressurelevelat5m dB(A) 29 42 54 62 70

2

3

2

3

NOZ correctionfactors2

CorrectionfactorsheatingcapacityTheheatingcapacitiesstatedinthetablesarebasedonthefollowingwaterranges:

-H2:80/60°C

-H3:60/40°C

-H6:50/30°C

Theairinlettemperatureis15°C.Ifwaterandairinlettemperaturesdiffer,the

maximalheatingcapacityistobemultipliedbythecorrectionfactorsfromthetablesbelow.

ThesearebasedontheNOZ 25,thedatafortheNOZ 50donotdiffersignificantly.2 2

LPHWH2 airinlettemperature-10°C -5°C 0°C +5°C +10°C +15°C +18°C +20°C

110/90°C¹ 2,21 2,1 1,98 1,87 1,75 1,64 1,57 1,53100/80°C¹ 2 1,88 1,77 1,65 1,54 1,43 1,36 1,3290/70°C 1,78 1,66 1,55 1,44 1,32 1,22 1,15 1,1182/71°C 1,75 1,64 1,52 1,41 1,3 1,19 1,13 1,0880/60°C 1,55 1,44 1,33 1,22 1,11 1 0,94 0,8970/50°C 1,33 1,22 1,11 1 0,89 0,78 0,72 0,6860/40°C 1,1 0,99 0,89 0,78 0,67 0,57 0,51 0,47LPHWH3 90/70°C¹ 3 2,81 2,61 2,43 2,24 2,06 1,95 1,8880/60°C 2,63 2,44 2,25 2,07 1,89 1,71 1,6 1,5370/50°C 2,27 2,08 1,89 1,71 1,53 1,35 1,25 1,1860/40°C 1,9 1,71 1,53 1,35 1,18 1 0,9 0,83LPHWH6 70/50°C¹ 3,15 2,89 2,64 2,39 2,15 1,91 1,77 1,6860/40°C 2,68 2,42 2,18 1,93 1,7 1,46 1,32 1,2350/30°C 2,2 1,96 1,71 1,47 1,24 1 0,86 0,76

¹Waterrangenotsuitableincaseofanuncontrolledbasicmodel.

Automaticcontrol:thedischargetemperatureislimitedon50°C.

Withtheventilationmodel,airvolumedecreases(duetomodulesandductwork).The

followingguidelinemaybeused:

•1module=15%lessthanthetablevalues

•2modulesandductwork=20%lessthanthetablevalues

Adecreaseinairvolumealsoleadstoadecreaseinheatingcapacity.Usingtheformula,you

maycalculatethenewheatingcapacity.

•1module=Qnew=0,93xQtablevalue•2modulesandductwork=Qnew=0,90xQtablevalue

Ifcircumstancesdifferfromthosedescribedhere,suchasdifferentwatertemperaturesormorethanoneunitinasingleroom,pleasedonothesitatetoaskforouradvice.

NOZ dimensionalsketches2

NOZ water&ambient2

NOZ dimensionalsketches2

NOZ ventilation(water&ambient)2

Dimensionalsketches

IndexThecorrespondingnumbersinthedimensionalsketchareexplainedbelow:

27-Dampermodule1-way

28-Dampermodule3-way

29-Dampermotor

34-Ductsection

41-Filtermodule

59-Mountingframe

62-Raincap(removable)

69-Roofcap

71-Roofthickness

72-Roofupstand

73-Roofventflange

74-Screwconnection

Subjecttochangewithoutpriornotice

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