Nordpeis IN-0N20U-011, User Manual, Page: 8 / 29

Some advice in case of combustion problems
Error Explanation Solution
No draught
The chimney is blocked.
Contact a chimney sweeper / dealer for more information or clean
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The insert
release smoke
when ligh-
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and during
combustion
Downdraught in the room caused by no draught, that the
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must be installed in the room.
Downdraught in the room – caused by extractor and/or
central ventilation system that pulls too much air out of
the room.
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vents must be installed.
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same chimney at the same height.
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pipes must be of at least 30 cm.
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the chimney.
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10º from smoke dome to chimney. Possibly install a smoke suction
device*.
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ney but ends 5 mm before the chimney inner wall. Possibly install a
smoke suction device*.
Soot hatch in the basement or attic that is open and thus
creating a false draught. Soot hatches must always be closed. Hatches that are not tight or
are defected must be changed.
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not in use are open and create a false draught.
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not in use.
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been removed, thus creating a false draught.
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Defect masonry in the chimney, e.g. it is not airtight
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the chimney creating a false draught.
Seal and plaster all cracks and sites that are not tight.
The cross-section in the chimney is too large which
results in no or very low draught. 7KHFKLPQH\PXVWEHUH¿WWHGSRVVLEO\LQVWDOODVPRNHVXFWLRQ
device*.
The cross-section in the chimney is too small and the
chimney cannot carry out all the smoke. &KDQJHWRDVPDOOHU¿UHSODFHRUEXLOGQHZFKLPQH\ZLWKDODUJHU
cross section. Possibly install a smoke suction device*.
The chimney is too low and hence a poor draught.
Increase the height of the chimney and/or install a chimney cap/
smoke suction device*.
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releases smoke
inside when
it is windy
outside.
The chimney is too low in relationship to the surrounding
terrain, buildings, trees etc. Increase the height of the chimney and/or install a chimney cap/
smoke suction device*.
Turbulence around the chimney due to the roof being too
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Increase the height of the chimney and/or install a chimney cap/
smoke suction device*.
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does not heat
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to a leakage under the lower border of the insert or too
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tion and the wood burn up too quickly.
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possibly a damper can reduce the chimney draught. NB! A leakage
of only 5 cm2 is enough for 30% of the heated air to disappear.
Too much
draught
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tions.
In case of using oven-dried wood, this requires less air
supply than when using normal wood.
Turn down the air supply.
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The chimney is too large. Contact chimneysweeper or other professional for more details.
The glass is
sooty
The wood is too wet. Only use dry wood with a humidity of maximum 20%.
The air vent control is closed too tightly.
Open the air vent control to add air to the combustion. When new
wood logs are inserted all vent controls should be completely
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take on the wood.
White glass
Bad combustion (the temperature is too low). Follow the guidelines in this user guide for correct combustion.
Using wrong material for combustion (such as: painted
or impregnated wood, plastic laminate, plywood etc).
Ensure to use only dry and clean wood.
Smoke is rele-
ased when the
door is opened
A levelling out of pressure occurs in the burn chamber.
Open the air vent control for about 1 min before opening the door –
avoid opening the door too quickly.
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chamber.
Open the door carefully and/or only when there is hot ember.
White smoke
The combustion temperature is too low. Increase the air supply.
The wood is humid and contains water damp. Ensure to use only dry and clean wood.
Black or grey/
black smoke
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16 GB