Specifications

ENGLISH RAISmanualforRaisQ20
17
ONLYUSERECOMMENDEDFUELS
Thefollowingtableshowsthe calori ficvalueofdifferenttypesofwood,whichhavebeen
storedfor2yearsandwhichhavearesidualmoistureof15 17%.
Wood Kgdrywoodprm
3
comparedtobeech/oak
Hornbeam 640 110%
Beechandoak 580 100%
Ash 570 98%
Maple 540 93%
Birch 510 88%
Mountainpine 480 83%
Fir 390 67%
Poplar 380 65%
1kgofwoodyieldsthesameheatenergyirrespectiveofwoodtype.
1kgofbeechmerelytakesuplessspacethan1kgoffir.
Operatinginstructions
PleasenotethatHETASApplianceApprovalonlycoverstheuseofdry seasonedwood
logsonthisappliance.HETASApprovaldoesnotcovertheuseofotherfuelseither
aloneormixedwiththewoodl ogs,nordoesitcoverinstructio nsfortheuseofother
fuels.
Fuel
ThestoveisdesignedandapprovedinaccordancewithEN13240andNS3058for
stokingsplit,driedfirewood.Thefirewoodmusthaveawatercontentof1522%andits
max.lengthshouldbethelengthofthecombustionchambe rminus5060mm.
Stokingwithwetfirewoodcausesbothsoot,environmentalpollutionandbadfuel
economy.Freshlycutwoodcontainsapprox.5070%waterandisthoroughlyunsuitable
forstoking.Allowatleast1yearofstoragetimefornewlycutwoodbeforeusing.Wood
withadiameterofmorethan 100mmshouldbesplit.Regardlessofwoodsize,itshould
alwayshaveatleastonesurfaceareafreeofbark.
Wedonotrecomme ndstokingwithpainted,laminatedori mpregnatedwood,woodwith
asyntheticsurface,paintedrefusewood,chipboard,plywood,domesticwaste,paper
briquettesandpitcoal,asthiswillproducemal odoroussmoke,whichcouldbe
poisonous.
Whenfiringwiththeabovementioneditemsandamountslargerthanthose
recommended,thestoveissubjectedtoalargeramountofheat,whichresultsina
higherchimneytemperatureandlowerefficiency.Thiscanresultinthestoveand
chimneybecomingdamagedandwouldvoidthewarranty.
Thecalorificvalueofthefirewoodiscloselyconnectedtothemoisturelevel.
Moistfirewoodhasalowheatvalue.Themorewaterthewoodcontains,themore
energyittakesforthiswatertovaporise,resultinginthisenergybeinglost.