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The appliances with constructive system 2 must be connected to their own flue. The operating with open
door is allowed under supervision. The connection pipe to the flue must be the shortest possible, right, tight
and according to the current regulations.
The connection to the chimney must be performed with stable and strong pipes (we recommend a
thickness of 2 mm). The pipe for smokes exhaust must be fixed hermetically to the chimney. The diameter
inside the connection pipe must correspond to the external diameter of the smokes exhaust small trunk of
the stove. This is ensured by pipes according to DIN 1298.
ATTENTION: Eventual flammable pieces in the area of 20 cm round the connection pipes must be
changed with fireproof and not sensitive to heat materials.
For a good operation of the equipment it is essential that in the installation place it is introduced sufficient
air for combustion (see CHAPT. 10).
The depression on the chimney should be 12 Pa (=1.2 mm of water column). The measurement must be
done always with the equipment hot (rating calorific value). When the depression exceeds 17 PA (1.7mm
of water column) it is necessary to reduce the same with the installation of an additional flue adjuster
(butterfly valve) on the exhaust pipe or in the chimney.
For safety reasons the door of the stove must be opened only for the loading of the fuel or for removing the
ashes, while during the operation and the rest, the door of the hearth must remain closed.
During its operation we suggest you slowly rotate the stove FIREBALL. The rosette of the flue must
be fixed with nails or screws and the junction pipe must be fixed with a 90° bend, in order to avoid
during the rotation of the stove the detachment of the smoke pipe and a consequent danger of fire.
6.1.
CHIMNEY CAP POSITION
The draught of the flue depends also on the suitability of the chimney cap.
Therefore, if it is handicraft constructed, the output section must be more than twice as big as the internal
section of the flue.
Should it be necessary to exceed the ridge of the roof, the chimney cap must assure the discharge also in
case of windy weather (Picture 5).
The chimney cap must meet the following requirements:
•
have internal section equivalent to that of the stack.
•
have a useful output section twice as big as the flue internal one.
•
be manufactured in such a way as to prevent the penetration of rain, snow, and any other foreign
body in the flue.
•
be easily checkable, for any possible maintenance and cleaning operation.
(1)
Industrial chimney
cap with pre-fabricated
elements – it allows an
excellent discharge of the
smokes.
50 cm
20
(2)
Handicraft chimney
cap. The right output
section must be at least
twice as big as the
internal section of the flue
(ideal value: 2.5 times).
(1) In case of flues side by side, a chimney cap must be higher
than the other one of at least 50 cm in order to avoid pressure
transfers between the flues themselves.
FIREBALL
(3)
Chimney cap for
steel flue with internal
cone deflector of
smokes.
Picture 5
Picture 6
7196801 Rev.07 – EN
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