Flow
m³/h
Pres-
sure Pa
Measured
at
Frequency band [Hz], sound power Lw (A) [dB(A)]
Sound pressure
Lp(A) (standard*
room) [dB(A)]
63
125
250
500
1000
2000
4000
8000
162
70
Supply air
duct
23
34
40
36
29
25
17
18
Extract air
duct
23
33
39
37
29
24
18
18
Cabinet
40
162
100
Supply air
duct
25
35
43
38
31
28
18
18
Extract air
duct
25
36
42
39
30
25
17
18
Cabinet
41
216
70
Supply air
duct
26
36
44
39
33
30
19
18
Extract air
duct
28
36
43
41
34
29
18
18
Cabinet
45
216
100
Supply air
duct
26
37
44
40
34
31
19
18
Extract air
duct
27
37
45
42
35
30
19
18
Cabinet
46
250
100
Supply air
duct
28
39
46
42
37
33
21
18
Extract air
duct
30
39
48
45
38
33
20
18
Cabinet
49
* Values for sound pressure calculated for a standard room with A = 10 m², H = 2.4m and mean absorption 0.2.
Tab. 5: Sound data for the a² unit
Installation Guide
Danfoss Air Units
VIEWB302
Danfoss Heating Solutions
10