For such situations, there can be different causes:
A)
Fuel still burns in the fireplace, even though the existing fuel has not
yet burnt completely.
B)
When dry and thin fuel is added on, this ignites too quickly.
C)
The chimney draft is not sufficient to absorb the smoke. This also
generates an uncomfortable smell.
D)
Through a current created at too quick an opening.
5.2
Instructions for cleaning, maintenance and periodical check-up
WARNING!
Even though only outer surfaces
are cleaned, the fireplace must be cold.
At least once a day, ash must be eliminated with a poker from the furnace,
through its grill into the ash bin, which is then emptied. The recommendation
is to make this operation in the morning, when the fireplace is relatively cold.
Account shall be given to the fact that the ash bin is emptied when it is half full,
or otherwise the ash heap accumulates too close to the grill.
The ash bin must be emptied in due time, so that the burning grill can circulate
uniformly through the grill, without being hindered by a heap of ash in the ash
bin, or otherwise there is a danger that the burning is inappropriate, while the
grill, because of the lack of sufficient cooling, overheats and gets distorted.
Other than the proper adjustment of the burning air regulators, the chimney
draft is the measure which influences most strongly the burning intensity and,
hence, the heat delivery of the fireplace. A stronger chimney draft requires
smaller outlets, while a lower draft requires larger outlets of the air regulator.
As the fireplace heats significantly, be careful when you open the door,
as there is a burn danger. If you open the fireplace, do it slowly. If you
open the fireplace too quickly, a flame blow back may occur. Moreover,
the introduction of open flames shall be banned, except for combustible
material (wood/briquettes).
To start up the fireplace ignite a small fire in the lower area. Do not introduce
too much wood in the fireplace, so as to prevent overheating. This can
cause permanent damage. Additionally, fire clay plates are overburdened.
No warranty shall be granted in case of quick overheating by fault of the
user.
It is important for the fireplace to heat up slowly. If you use the fireplace
economically, a light deposition of smoke may set on the glass, which will
decompose at higher fire. Moreover, the economic regime (low fire) leads
to incomplete burning, which causes smoke and sulfur depositions. This is
favored by wet wood and the transition period.
Please take into account that the furnace is limited in the front side with
a vertical grill of 6 cm in height, while the lower edge of the door frame
is 3 cm higher than the furnace bottom. Hence, it is impossible that a
piece of wood or incandescence touches the glass, unless the fireplace is
overloaded. Observe the given admissible fuel quantities.
If fuel is added, the flame must not be directed outwards. Nor should flue
gas come out in high quantities either.
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