Sound power level from the ventilation unit
to supply air ducts by octave band Lw, dB
ADJUSTMENT POSITION / AIR FLOW
Sound power level from the ventilation unit
to extract air ducts by octave band Lw, dB
ADJUSTMENT POSITION / AIR FLOW
Medium
frequency
of the octave
band, Hz
ADJUSTMENT POSITION / AIR FLOWS
(supply / extract)
A-weighted sound pressure level dB (A) coming from
the unit through the envelope in rooms where
the unit has been installed (10 m
2
sound absorption)
Sound values
63
125
250
500
1000
2000
4000
8000
L
W
, dB
L
WA
, dB(A)
Hz
L
pA
, dB(A)
3
48 l/s
73
63
46
47
52
37
32
23
73
54
4
60 l/s
76
68
51
51
53
42
37
31
77
57
6
86 l/s
82
75
59
58
57
51
45
39
83
63
8
107 l/s
87
82
65
64
60
58
51
45
88
69
3
53 l/s
4
67 l/s
64
64
53
40
42
37
27
67
50
6
93 l/s
70
70
61
46
46
45
34
27
73
56
8
125 l/s
74
75
65
52
50
51
40
32
78
61
3
44/48 l/s
28
4
55/62 l/s
31
6
76/81 l/s
36
8
93/105 l/s
39
61
61
49
35
38
32
22
64
46
© VALLOX • We reserve the right to make changes without prior notification.
VALLOX DIGIT2 SE/VKL/MLV
PERFORMANCE
2
4