„Installation and operation manual for fireplace insert”
KFDECOENG1.1562012
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2. Clogged openings of air blow-in
in the furnace.
2. Clean furnace interior from ash.
3. Insufficient negative pressure in
the chimney.
3. Check if the inspection door is
closed; clean the chimney and
connecting duct; recommended
installation of a mechanical
combustion gas exhaust.
4. Too humid wood.
4. Replace the wood with dry wood
(humidity under 20%)
5. Too large slivers used for lighting
up.
5. Use smaller slivers.
6. Bad weather conditions.
6. Check if burning improves once
the weather is better. In case of
recurring problems resulting from
weather conditions, installation of a
mechanical combustion gas
exhaust is recommended.
III. Smoke comes out
from the fireplace insert
1. The chimney and/or connecting
pipe is not passable.
1. Cleaning of the chimney and
connecting pipe is necessary.
2. The chimney and/or connecting
pipe is not tight.
2. Check tightness of closing the
inspection door in the chimney and
connection of the connecting pipe.
3. Excessive negative pressure in
the room in which the fireplace is
installed.
3. Supply fresh air to the room in
which the fireplace is installed (e.g.
open the window).
4. Fresh air inlet is not passable.
4. Check if the duct supplying fresh
air to the fireplace is passable.
5. Air inlet is installed at the
leeward side.
5. Change location of the air intake.
6. Incorrectly constructed
ventilation of the fireplace insert.
6. Check if convection air inlets
under the insert are constructed
correctly.
IV. Smoke comes out
from the fireplace
enclosure when the
door is closed
1. Connecting pipe is not tight.
1. Check if connection of the
connecting pipe is tight.
2. The tee pipe in the chimney is
not tight.
2. Check if the connecting tee pipe
in the chimney is tight.
V. Significant bloom of
tarry substances
(creosote) appears on
the glass pane
1. Too humid wood.
1. Replace the wood with dry wood
(humidity under 20%).
2. Insufficient negative pressure in
the chimney.
2. Check the reasons described in
points III 1-4.
3. Clogged air blow-in openings in
the furnace.
3. Clean interior of the furnace from
ash.
