extinguish the fire. The smaller the pieces of fuel, the smaller layer is required. Add only new
fuel in small quantities and make sure that enough/sufficient secondary air is drawn in in order
to burn off the released gasses.
The heat output is controlled mainly by the primary air inlet.
The primary air inlet controls the fire best between the fully closed position and one or two
revolutions, but this depends largely on the atmospheric conditions as well as the chimney
design.
The secondary air inlet should be kept sufficiently open to keep bright flames and help keeping
the glass clean.
Shake the ashes into the ash pan (e.g. whenever new fuel is added) in order to give sufficient
passage of air to the burning coals. Leave some ashes on the grate to protect it from the
heat.
Heating with bituminous coal
Insert the coal insert (right and left part). The coal insert protects the bottom plate from
superheating. Furthermore the coal insert is guiding the fuel towards the grate.
Open the lower and secondary air vent to the max. Start placing a layer of coal on the grate.
Add paper and kindling wood on top of the coal and ignite. Thus the gases released from the
coal are ignited at once. Starting a fire in the same manner as with smokeless fuel will realease
a dense yellow smoke from the coal. This smoke will not ignite until a sufficient temperature is
reached, and thus it may take up to one hour to ignite the coal.
Combustion of the coal is regulated with the primary air inlet, subdraught and the secondary air
inlet should be opened sufficiently to keep bright flames and to help keep the glass clean.
More coal should be added in limited quantities. Add coal in small quantities. Before coal is
added, the lower air inlet should be opened wide in order to reach ignition temperature quickly.
When reducing the heat output of the stove, do not reduce the secondary air inlet until the coal
has cooled down to the desired temperature.
The ashes should be poked into the ash pan frequently, (e.g. at every fuel filling) in order to
give sufficient passage of air to the combusting fuel. Leave some ashes on the grate to protect
itfrom the heat.
After burning off the coal gasses, a layer of glowing coals remain. At this point the lower air supply
can be reduced and the secondary air vent can be closed a little (always let some secondary
air in). Now the coals can burn for a long time (if the stove is connected to a chimney supplying
sufficient draught).
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