Lincar Stella Instructions D'utilisation Et D'entretien page 50

CHIMNEY CAP
The chimney cap should have the following characteristics:
•
− Internal section equivalent to the one of the chimney
Exhaust section exit not lower than the double of the chimney internal one
−
Built in a way to avoid rain, snow or external body entrance, to ensure the right exit
−
of combustion products with any type of wind
− Positioned to guarantee the right fumes dispersion especially out of re-flux area.
This area has several dimensions and conformations in function of the inclination
corner of the covering , therefore it is necessary to adopt the minimal heights as
indicated in the following tables:
Inclination Roof
C (°)
Re-flux
area
Chimney
Pot Wind
Damping
IT-GB-FR mod. 740-740 ECO-740/SA-740/SA ECO-740N/SA
A H
15 1,85 1,00
30 1,50 1,30
45 1,30 2,00
60 1,20 2,50
Chimney pot
wind damping
Revolving
chimney pot
for strong
horizontal
wind
Re Flux Area Highness Z (m)
0,50
0,80
1,50
2,10
50/120