LA NORDICA TermoISOTTA DSA Instructions Pour L'installation, L'utilisation Et L'entretien page 25

Termo ISOTTA – DSA
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
elements – it allows an
excellent discharge of the
smokes.
50 cm
2 m
1
m
7199701 Rev.05 – EN
pre-fabricated
10 m
(1) The chimney cap must not show hindrances within 10 m
from walls, pitches and trees. Otherwise raise it of at least 1 m
over the hindrance.
The chimney cap must exceed the ridge of the roof of at least 1
m.
>A
H min.
(1)Ridge axis
α
(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.
> _ A
0,5 m
(2)Roof
(3) Chimney cap for
steel flue with conical
deflector of smokes.
Picture 6
Picture 7
Picture 8
Picture 9
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