2
Economizerisacounterflowheatexchangerwhichutilizesresidualheatoffluegasesforairheating.It
consistsoftheheatexchangeritself,airfanandflangeontheheatedairexit.Theinternalheattransfer
surfaceoftheexchangerismadeofaluminium,theexternalsurfaceismadeofgalvanizedsteelplate.
Totheexternalsurfaceofheatexchanger,thereareconnectedairfanandairoutputneckwithflange
130by130mm.Theflangeisusedforconnectingagrillewithadjustablebladestoblowtheheatedair
intotheheatedroomorforconnectinganairducttransferringtheheatedairintoanotherroom.The
internalheattransfersurfacehas a standard DN100(130) mm socket for connection tofluegases
outputofHELIOStubeheaterandDN100(130)mmneckforconnectiontothesocketofcondensate
trapandfurthertofluesystem.
AWTM100/2000with2mlengthofheatexchanger.
AWTM100/400with4mlengthofheatexchanger.
AWTM130/400with4mlengthofheatexchanger.
Economizerisplacedinfluesystemimmediatelyafterthetubeheater.
Electricsupplyofthefancanbefromconnectorontheburnerboxorbycablefrommains230V/50Hz.
Whentheheaterisstarted,thefluegasesflowinsidetheinternalheattransfersurfaceandheatitup.
Assoonasthesurfacetemperaturereaches42°C,theairfanisstartedandblowstheairbetweenthe
internalheattransfersurfaceandexternalcasing,theheatedairgoesoutviatheneckwithconnected
grilleorduct.Ifthetemperatureofinternalsurfacedecreasesbellow30°C,theairfanstops.
Type Helios10 Helios20 Helios30 Helios40 Helios50
AWTM100/2000 5Pa 7Pa 8Pa 9Pa
AWTM100/4000 9Pa 13Pa 15Pa 18Pa
AWTM130/4000 12Pa
Type Availablepressure[Pa]
AWTM100/2000 45Pa
AWTM100/4000 35Pa
AWTM130/4000 35Pa
Casing 3 Airintake
Electricterminalbox
Warmairoutput
Hangingpoint
Flueoutput 4 Airfan
Flueinput
SocketDN100