RAIS/attika NEXO GAS Notice D'installation page 261

Vertical roof terminal with bend
Distance "H" = 0–3 m (min–max)
Distance "V1" 500 mm – 10 m (min–max)
Distance "V2" 500 mm – 10 m (min–max)
Distance "V" (= V1+V2) = 1–12 m (min–max)
Distance "V" = 2 x "H" (min)
EXAMPLES OF FLUE SOLUTIONS
H
7
18,19
20
1,2,3,6
9
1,2,3,6
4
11
4
1,2,3,6
5
GB - 75