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IKISLWood‐burningstoves|Installationinstructions
www.ikikiuas.fi
3. VENTILATIONANDCOMPENSATIONAIR
Awood‐burningstoveneedssufficientincomeofairtoburnwell.Thebathersinthesaunaroom
alsorequireoxygen‐richairforbreathing.Well‐functioningventilationisalsorequiredtodrythe
saunaroomproperlyafterbathing.Thereareseveralventilationsystemsavailablefromvarious
manufacturers,thesuitabilitydependsmainlyonthesaunaroomstructure.
3.1 Gravity‐assistedventilationssystem(Illustration4.1)
Theairtofeedthefiremustbeledfromoutsidethesauna,usingapipeequippedwitha50‐100
mmgrateandadiscvalve,anddirectedeithertothesideofthestoveortofloorbesidethestove
(forexamplea50‐100mmpipeat50‐100mmheightfromthefloor).
Freshairforbreathingcanbedirectedbesidethestove,forexamplewitha100‐mmpipe,at
50‐100mmheight,abovethestove’sstonebase.
Exhaustairisledoutofthesaunapreferablythroughaholeequippedwithadiscvalveandan
adjustablegrid,placedbetweenthelowerandupperbenches.Theairshouldflowthrougha
metal‐linedchannelbuiltinsidethewallandexitjustbelowtheroof.Theexhaustairvalvecan
alsobeintheceilingorclosetotheceilingonthewalloppositethestove.
Freshairforthestoveandforbreathingcanalsobeledinthroughavalveinthedoor,oragab
belowit.Ifthedoorleadstoadressingroom,properventilationofthespacemustbeensured.Air
shouldbeallowedtoflowinquitefreelyduringbathinganddryingoftheroom.Makesuretheair
inletsdonotgetobstructed.
Asthelitstoveheatstheair,itrotatesinsidethesaunaroomandmovesupward.Freshairis
suckedinsidefromtheairinletsnearthefloorandexpelledfromtheoutletsbesidethebenches
orhighupintheceiling.
3.2 Machine‐assistedventilation
Inmachineassistedventilation,thecirculationofairandventilationoftheroomismademore
efficient,buttheairflowprinciplesandinletandoutlocationsarethesameasinGravityassisted.
3.3 Chimneyventilatorandmorethanonefurnace
Achimneyventilatorisnotrecommendedwithwood‐burningsaunastoves.Thehigh
temperaturesofthecombustiongasesmaybreaktheventilator.
Ifthereisneedformorethanonefurnaceinthesauna,combustiongasfromeachfurnace
mustbedirectedtoseparateexhaustduct.Forexample,acauldronandstovecombination
requiresa2‐passagechimney.
Theairinletsmustbemeasuredaspersituation(capacityfortwofurnaces,adjustable
valvefortheamountofair).