Advertisement
SUPPLY AIRF/
Pa
80%
200
70%
100
60%
50%
40%
AIRFLOW
50
Value of rotating speed can be
chosen for each fan individually
within the range of 20-100%
viaEC SPEEDS submenu of the
service menu on the control
panel.
Fan speed
Input power of fans W
Airflow
Sound pressure level in installation
prem ises dB(A)
Weighted
sound pressure
levels
L
of exhaust(E)
W
and
supply(S) ducts
on different
octave bands
Total output
Figure 8 Air flow and sound pressure values
AIRVOLUMES
100%
90%
tuloilma
q
100
150
V
SOUNDVALUES
40
%
20
E/S
40/35
24
E
Hz
36
63
38
125
250
32
500
27
1000
24
2000
19
4000
*
8000
*
L WA
28
EXTRACT AIR F5
Pa
200
70%
60%
100
50%
40%
l/s
200
AIRFLOW
350
300
250
Pa
200
150
100
70%
60%
50
50%
40%
AIRFLOW
60
50
49
75
116
87/77
120/105
65/58
29
34
38
S
E S E S
E S
43
41
50
45
53
48
42
43
47
52
51
48
40
36
46
42
50
45
42
32
49
37
52
41
41
30
49
34
54
38
34
26
43
32
50
36
24
13
34
18
43
23
11
*
19
*
28
11
43
40
50
44
56
43
8
100%
90%
80%
q
100
50
150
V
100%
90%
80%
q
100
50
V
70
90
80
255
181
187/181
148/142
170/165
44
41
E S
E S
54
60
56
50
58
57
61
56
53
58
52
61
55
49
58
47
62
56
44
58
44
63
57
41
60
43
64
55
39
60
32
57
49
27
53
23
46
35
13
41
49
67
60
46
64
l/s
200
l/s
200
150
100
308
46
E S
55
62
58
62
54
62
49
63
46
64
44
65
34
59
21
48
51
69
Advertisement
