Specifications


22 Solution3.4InstallationandOperationManual
piecesatthebackofthefireboxandplacetherestofthepiecescompactly.Adenselybuiltfirelike
thiswillproducethelongestburnyourwoodfireiscapableof.
You will need to be cautious when building fires like this because if the air is turned down too
much, the fire could smoulder.Make sure the woodis flaming brightlybefore leavingthefire to
burn.Thewoodshouldbepositionedina north/south fashion,thatis,fromthefronttotheback
ofthefirebox.
4.3.6.4 MaximumBurnCycleTimes
The burn cycle time is the period between loading wood on a coal bed and the consumption of
thatwoodbacktoacoalbedofthesamesize.Theflamingphaseofthefirelastsforroughlythe
firsthalfoftheburncycleandthesecondhalfisthecoalbedphaseduringwhichthereislittleor
noflame.Thelengthofburnyoucanexpectfromyourwoodfire,includingboththeflamingand
coalbedphases,willbeaffectedbyanumberofthings,suchas:
• fireboxsize,
• theamountofwoodloaded,
• thespeciesofwoodyouburn,
• thewoodmoisturecontent,
• thesizeofthespacetobeheated,
• theclimatezoneyoulivein,and
• thetimeofyear.
Thetablebelowprovidesaverygeneralindicationofthemaximumburncycletimesyouarelikely
toexperience,basedonfireboxvolume.
FIREBOXVOLUME MAXIMUMBURNTIME
<0.042cubicmeter 3to5hours
0.042m
3
to0.056m
3
 5to6hours
0.056m
3
to0.071m
3
 6to8hours
0.071m
3
to0.085m
3
 8to9hours
>0.085m
3
 9to10hours

Longburntimesarenot necessarilyanindicationof efficient wood fire operation. Whenyouare
home during the day and able  to tend the fire, it is preferable to build a smaller fire that might
provide three or four hours of heating than to fully load the firebox for
a much longer burn.
Shorterburncyclesmakeiteasiertomatchtheheatoutputofthe woodfiretotheheatdemand
ofthespace.
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