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Wood
Hard woods, such as oak, birch- and fruit-trees, are the ideal fuels for your stove. The
wood must have dried for at least two years in a covered and well-ventilated place. Split
logs will dry faster. Dry wood should contain no more than twenty percent moisture.
Wet logs are unsuitable for burning, as they do not produce enough heat and all of the
energy is lost in the process of evaporation. Moreover, the burning of wet wood causes
badly smelling gases to be released and a thick layer of tar will deposit on the stove
panels and in the chimney.
Brown coal briquettes
Brown coal briquettes burn in more or less the same way as wood does. You should only
burn briquettes on a bed of charcoal in your stove.
Charcoal
There are several categories of anthracite coal. Some characteristics may be legally
determined. For instance anthracite "A" has to contain less than 10% of volatile
substances, anthracite "B" less than 12%. The ash content may range from 3 to 13%.
For a good operation of your appliance, the use of anthracite "A" with a low ash content
is recommended. A combustible with a high ash content has a lower net heating value.
Moreover, the ashes have to be removed more frequently and the fire will go out faster.
The recommended calibre is 12/22 or 20/30.
4.2.
Lighting a fire
In order to create sufficient draught and to prevent
smoke from being emitted into the room, the chimney
should be warm enough before lighting a fire. A cold
chimney can be heated up by lighting a ball of paper
above the fire plate.
To kindle the fire in the stove you can use paper and/
or firelighters and small pieces of wood.
Slightly open the door and pull the air slides wide
open. See the sketch on how to use the air slides.
It is important that the kindled fire should burn
intensely. You can then throw larger pieces of wood
onto the fire, and close the doors. When the fire has
eventually stabilized and is glowing enough, you can
put the logs or the brown coal briquettes on the fire.
4.3.
Burning wood
The best way to control the fire is to completely close the lower air slide, which you use
to get the fire started, and to regulate the air supply with the upper air slide only. In
case the air supply through the upper slide seems insufficient, or if you would like to
fan the fire, you can partially open the lower air slide for a while.
DRU 44MF
31
1
09-20015-097
1 : primary air
2 : secondary air
○ = open ● = closed
03.27647.000
2
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