100%
Intake
Supply
Extract
Exhaust
Breakout
80%
Intake
Supply
Extract
Exhaust
Breakout
60%
Intake
Supply
Extract
Exhaust
Breakout
40%
Intake
Supply
Extract
Exhaust
Breakout
Table 6.c Sound level
Preliminary data.
dBA figures are average spherical free-field, for comparitive use only.
6.2 Before Starting the System
When the installation is finished, check that:
• Filters are mounted correctly
• The unit is installed in accordance with the instructions
• The unit is correctly wired
• Eventual outdoor and exhaust air dampers and silencers are installed and that the duct system is correctly connected to the unit
• All ducts are sufficiently insulated and installed according to local rules and regulations
• Outdoor air intake is positioned with sufficient distance to pollution sources (kitchen ventilator exhaust, central vacuum system
exhaust or similar)
• The unit is correctly set and commissioned.
Lw dB - SOUND POWER OCTAVE BAND
63
125
250
500
83
65
70
73
81
65
65
66
80
63
66
68
78
65
70
71
81
69
67
69
Lw dB - SOUND POWER OCTAVE BAND
63
125
250
500
73
61
67
69
72
61
63
65
73
60
63
65
73
61
66
67
71
64
62
67
Lw dB - SOUND POWER OCTAVE BAND
63
125
250
500
65
61
68
67
63
59
63
64
64
59
63
63
64
60
66
67
59
64
63
65
Lw dB - SOUND POWER OCTAVE BAND
63
125
250
500
55
55
67
55
53
53
62
52
58
52
60
51
55
54
66
55
54
53
59
52
1 K
2 K
4 K
8K
62
58
53
47
57
51
42
33
60
54
45
34
62
59
53
45
62
56
48
36
1 K
2 K
4 K
8K
59
56
50
43
56
50
41
31
57
51
42
31
58
55
49
41
59
53
45
33
1 K
2 K
4 K
8K
58
56
49
41
55
49
40
29
56
51
41
30
57
54
48
41
57
51
43
31
1 K
2 K
4 K
8K
49
47
40
31
47
41
32
22
47
42
32
22
49
47
40
31
48
43
33
23
Lp dB(A)
Tot
@3m
84
51
45
81
47
78
50
80
82
48
Lp dB(A)
Tot
@3m
75
47
43
74
44
74
46
75
74
45
Lp dB(A)
@3m
Tot
72
46
69
42
69
42
45
71
44
70
Lp dB(A)
Tot
@3m
39
68
35
63
34
63
67
39
62
34
9
Need help?
Do you have a question about the QR350ABP and is the answer not in the manual?
Questions and answers