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5.2.3
Controlling the heating process
5.2.3 / 1
4 ensure that the firebox door is completely closed.
When starting the fire or refuelling:
4 push the combustion air controller all the way up (C).
during the heating process (approx. 30 – 45 minutes after the
start):
4 push the combustion air controller to a centre position (B).
the precise position and the thermal output achieved with it
depend on the specific situation and are affected by many
factors:
•
size, type and residual moisture of the fuel.
•
Volume of fuel placed in the unit.
•
stove temperature.
•
delivery pressure of the chimney.
•
external weather conditions.
4 select a setting that creates a calm, bright flame pattern.
4 Familiarise yourself with the unit and find out what the best
settings are.
position of the combustion air slider with tested nominal heat
output:
6 "2.9 nominal heat output" (page 16).
40
Assembly and operating manual | Premium & Lean | 06.2023 | en
the following signs can be used to detect whether the fire in
the unit is clean and low-emission:
•
the ash should be white. A dark colour indicates charcoal
residue and therefore incomplete burning.
•
the flue gases on the chimney stack should be as invisible
as possible – less smoke indicates better burning behaviour.
•
the firebox lining in the unit is light-coloured and not sooty
after the heating process.
if the fire burns with an excessively large flame:
4 push the combustion air controller down without fully
closing the air supply.
the air volume is reduced, stabilising the burning process.
this prevents overloading of the unit and reduces emission
generation.
if the air supply is reduced too much, the fire may extinguish.
the result may be incomplete burning and severe soot
formation.
4 push the combustion air controller up (C).
if the weather conditions change during the heating process
(e.g. oncoming storm or precipitation) and this causes the
heating process to deteriorate:
4 Allow the fire to extinguish.
4 do not add additional logs.
if outdoor temperature are above 15 °C, the delivery pressure
may fluctuate.
measures for malfunction-free operation:
4 stoke the flames frequently.
4 only insert very little additional fuel.
4 ensure that the heap of ash and embers does not grow
excessively. otherwise end the heating process, allow the
unit to cool down sufficiently, then clean it.
6 "6.3 simple cleaning" (page 43).
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