Daikin FWW Series Technical Manual page 35

Sound Data
Model Speed
High
FWC03H
Med
Low
High
FWC04H Med
Low
High
FWC06H
Med
Low
High
FWC08H Med
Low
High
FWC10H Med
Low
High
FWC12H Med
Low
High
FWC14H Med
Low
High
FWC16H Med
Low
High
FWC18H Med
Low
High
FWC20H
Med
Low
Microphone position: 1.5m below the centre of the unit.
(Tested with 2m length duct at the air discharge outlet and 1m length of air return duct).
Model Speed
High
FUD20B
Med
Low
High
FUD25B Med
Low
FUD30B High
FUD40B High
Measured In Reverberation Chamber
1/1 Octave Sound Power Level (dB, reference 1pW)
125Hz 250Hz 500Hz
55 55 58
50 51 53
44 43 45
58 58 59
54 54 55
47 45 47
60 60 62
57 58 60
54 54 56
61 62 62
57 58 59
52 51 53
61 63 64
58 60 61
53 54 56
73 65 65
65 61 61
61 58 59
68 70 69
66 65 65
59 55 58
72 72 69
70 68 66
58 58 58
71 73 72
68 69 69
63 62 62
71 73 73
68 70 70
61 62 62
1/1 Octave Sound Power Level (dB, reference 1pW)
125Hz 250Hz 500Hz
68 67 72
64 64 68
61 60 63
71 71 74
70 69 73
67 67 71
75 76 75
75 76 75
1kHz 2kHz 4kHz
58 53 48
52 47 41
41 34 27
58 54 50
54 49 44
45 37 30
61 56 52
59 53 48
55 48 42
62 57 52
58 52 47
51 43 37
65 60 55
61 56 51
55 49 42
64 59 55
61 56 50
58 52 46
68 63 62
64 59 56
55 50 45
68 64 63
64 60 59
56 52 48
71 66 65
67 62 60
60 55 52
72 67 66
68 62 62
60 55 52
1kHz 2kHz 4kHz
70 65 65
65 61 59
60 56 53
74 70 70
72 68 68
69 65 64
72 69 65
72 69 65
Overall
8kHz (dBA)
40 61
32 56
27 46
43 62
36 58
27 48
45 65
41 62
34 58
45 65
39 61
30 54
49 68
43 64
34 58
50 68
42 64
37 61
60 72
52 68
38 59
61 73
55 69
42 60
63 75
58 71
48 64
65 76
60 72
48 64
Overall
A (dBA)
8kHz
57 74
51 69
43 65
63 78
60 76
56 73
60 77
60 77
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