Installation instructions
en
15
K1
K2
K3
K4
K5
K6
K7
K8
K9
K10
K11
K12
K-
factor
0.50
0.63
0.75
0.89
0.93
1.06
1.12
1.23
1.36
1.47
1.57
1.69
Basic ventilation – size diagram
Real pressure in the ventilation duct
pA
L = The A-measured sound pressure level at 10 m² sabin
L = The A-measured sound pressure level relative to 1 pW
WA