VALLOX DIGIT2 SE/VKL/MLV
Silencer unit
VALLOX DIGIT2 SE
596
569
min. 1234
616
Sound values Digit 2 E + silencer unit
64
67
69
72
72
74
77
76
51
57
61
66
69
68
69
70
39
45
49
53
56
58
60
62
25
31
35
38
41
43
45
48
10
21
21
24
26
29
31
34
*
*
*
13
11
17
18
21
*
*
*
*
14
19
22
24
*
*
*
*
*
*
*
23
64
67
70
73
74
75
77
77
37
43
46
50
53
54
55
56
54
61
65
68
69
71
71
74
*
40
52
56
59
60
63
65
22
34
42
47
51
54
56
59
*
18
26
32
37
40
42
45
*
*
11
21
28
32
36
39
*
*
*
*
12
18
23
28
*
*
*
*
*
*
*
16
*
*
*
*
*
*
*
*
54
61
65
68
70
71
72
74
24
32
39
43
46
48
50
53
1
2
3
4
5
6
7
8
20/25
31/37
43/50
55/64
66/77
76/89
84/99
95/112
20
26
31
34
37
40
41
44
Pressure loss in ducts. T
otal pressure Pa
Volume flow rate
VALLOX silencer unit + DIGIT2 SE
(winter setting)
SFP 2,5 kW/m
3
/s
© VALLOX • We reserve the right to make changes without prior notification.
PERFORMANCE/VALLOX SILENCER UNIT
5
63
125
250
500
1000
2000
4000
8000
L
W
, dB
L
WA
, dB(A)
1
16/24
2
25/47
3
36/70
4
48/90
5
58/104
6
68/116
7
75/131
8
87/148
1
25/7
2
38/7
3
46/46
4
59/69
5
72/79
6
82/106
7
92/112
8
104/141
L
pA
, dB(A)
AP
qV, dm
3
/s
AP
supply/extract,dm
3
/s
ED and SD are
examples of
pressure losses in
supply and extract
ducts.
100
50
150
200
250
300
350
SD
ED
dm
3
/s
m
3
/h
10
1
2
20
30
40
50
60
70
80
E – Extract air fan
S – Supply air fan
3
4
5
6
7
0
90
100
50
8
110
120
130
100
150
200
250
300
350
400
450
500
RECOMMENDED
OPERATING RANGE
At a lower total pressure, SFP
will be smaller at this speed.
2S
3S
1S
4S
5S
6S
7S
8S
1E
2E
3E
4E
5E
6E 7E
8E
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)
