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The incineration of these materials in addition to producing bad smells also
produce polluting emissions which are dangerous for health and the
environment. Only use small twigs and small pieces of wood to start the fire.
For the optimum combustion of solid fuels, therefore, the following conditions
must be fulfilled:
-
The required oxygen must be available. This is usually taken from the
ambient air.
-
The ignition temperature must be reached. By this one means the
temperature at which the fuel continues to burn unaided due to the strong
heat.
-
Use only dry wood; the best is deciduous (hard woods) wood such as
beech and birch.
-
Only use small pieces of wood for heating. This burns more easily than
large logs and rapidly reaches the required temperature for complete
combustion.
-
For continuous heating do not add too much wood in one go; it is more
economical to add small amounts of wood more frequently. The quantity of
wood used should always be adapted to the heat required.
The natural process by which material expands on heating and contracts again
on cooling is also applicable for this stove. However, the design of your stove
ensures that this process does not cause damage to the stove. During the
combustion process, the expansion and contraction of the steel causes slight
crackling sounds.
3.2 Using the stove in the seasonal transition period
During the transitional period (spring/autumn), with an outside temperature
above 15° C, draught disturbances occur in the chimney. Before
commissioning of the stove, you should therefore always check the chimney at
this temperature by means of short strong heat by quickly burning paper or thin
wood chips. If no draught is produced at this temperature, you should stop the
fire.
Should there be sufficient draught and the smoke is quickly drawn off through
the chimney, then fill the fire box with a little heating fuel and then normal fuel
after a short interval. Push the primary air damper to the middle position and
regularly shake the ash.
3.3 Wood humidity, drying and storage
The calorific value of the wood depends heavily on the wood moisture. The
wetter the wood, the lower is its calorific value as a large part of the energy is
consumed for the evaporation of the water in the wood. The combustion
temperature drops which in turn prevents complete combustion of the wood.
The combustion of damp wood also leads to an increase in the build up of soot
on the combustion chamber discs. The resulting water vapour in the flue pipe
or chimney can condense and thus lead to corrosion or a build up of soot in the
chimney.
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