Assembly
Air/ExhaustVenting
InstallationOptions
Con
nectiontomoisture-resistant
air/exhaustchimneyC43x(AZ)
Thestraightair/exhaustsystemfor
installationinanair/exhaustchimney
mustnotbelongerthan1.4m.
Amaximumnumberofthree90°
anglesarepermittedfortheinstallation.
Theair/exhaustchimneymustbe
permittedandtestedforcondensing
boilersaccordingtoDIBT(German
InstituteforBuildingTechnology),VKF
(AssociationofCantonalFire
Insurances)andÖTV.
Connectiontomoisture-resistant
exhaustchimneyorexhaustsystem
B23forroomairindependent
operation
Thestraightair/exhaustsystemfor
installationinanexhaustchimney
mustnotbelongerthan2m.
Amaximumnumberofthree90°
anglesarepermittedfortheinstallation.
Theexhaustchimneymustbepermit-
tedandtestedforcondensing
boilersaccordingtoDIBT/VKF/ÖTV.
Connectiontoacombustionair
supplyandexhaustsystemC63x
nottestedinconjunctionwithgas
furnace
Thestraightair/exhaustsystemfor
connectiontoacombustionairsupply
andexhaustsystemmustnotbe
longerthan2m.Amaximumnumber
ofthree90°anglesarepermittedfor
theinstallation.Theexhaustsystem
mustbepermittedandtestedfor
condensingboilersaccordingto
DIBT/VKF/ÖTV.Ifcombustionairis
suppliedfromtheshaft,itmustbekept
freefromanydirt.
Multipleassignmentofexhaust
systems
(notpartofthedeliveryprogram)
Formultipleassignmentsoftheex-
haustsystem,thecalculation,layout
andproofoffunctionalitybythe
chimneymanufacturermustbetaken
intoconsideration.
Fortheinstallationoftheexhaust
system,pleasepayattentiontothe
respectivelocalregulations.
Connectiontoair/exhaustsystem
Fortheconcentricair/exhaustsystem,
useoriginalaccessorypartsonly,
includingthePPSexhaustsystem
lubricantavailable.Gascondensing
boilerswithanair/exhaustsystemvia
theroofmustbeinstalledintheatticor
inroomsinwhichtheceilingisalsothe
roof,orwheretheonlythingabovethe
ceilingistheroofconstruction.
Theair/exhaustsystemmustnotbe
routedthroughanyotherstorage
rooms.
Iftheceilingrequiresacertainfire
resistanceduration,allconduitsforthe
combustionairsupplyandtheexhaust
ventilationmusthaveasimilarfire
shieldingofnon-flammablematerials
betweenthetopoftheceilingandthe
roofskin.
Ifnosuchfireresistancedurationis
requiredfortheceiling,allconduitsfor
thecombustionairsupplyandthe
exhaustventilationmustberouted
insideashaftofnon-flammableand
shape-resistantmaterialsorinsidea
metalprotectivepipebetweenthetop
oftheceilingandtheroofskin
(mechanicalprotection).
Exhaustconduitsmustbeabletobe
checkedforfreepassage.Theplace
ofinstallationmustbeequippedwithat
leastonerevisionand/orinspection
opening,ascoordinatedwiththe
districtchimneysweeper.
Exhaust-sideconnectionsshallbe
madebysleeveandseal.Allsleeves
mustbeplacedcountertotheflow
directionofthecondensate.
Theair/exhaustsystemmusthavea
3°slopetowardthecondensingboiler.
Theoveralllengthtobecalculatedfor
theair/exhaustsystemshallnotexceed
4mforaninstallationagainstthe
exteriorwallorforanair/exhaust
systemthroughtheroof.
Thecalculatedlengthoftheair/exhaust
systemconsistsofthelengthofstraight
pipesplusthelengthofpipebends.
A90°bendiscalculatedas1m,a45°
bendas0.8minlength.
Werecommendaminimumdistance
of2.5mbetweentheairandexhaust
routingthroughtheroofinorderto
avoideffectsuponeachother.
Connectiontomoisture-resistant
air/exhaustchimney(AZ),exhaust
chimney,orexhaustsystem
Chimneysandexhaustsystemsbybe
permittedforgascondensingboilers
bythebuildingandzoningauthorities
(DIBTpermitforGermany,VKFfor
Switzerland,ÖTZforAustria).
Thedimensionsarespecifiedbyusing
thecalculationtablespursuanttothe
respectiveexhaustvaluescategory.A
maximumnumberofthree90°angles
arepermittedfortheinstallation.
Forchimneysaconveyancepressure
of0Paisappliedforcalculation
purposes.
12
Temperature[°C] Volumeflow[m³/h] Massflow[g/s] Conveyancepressure[Pa]
TRIGONL Max./Min. Max./Min. Max./Min. Max./Min.
65 70/55 113/16 31/4 200/10
85 70/55 149/30 41/8 200/15
100 70/55 168/34 46/9 200/15
120 70/55 209/42 58/12 200/15
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n