Daikin FWW Series Technical Manual page 37

Chilled water fan coil units
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Sound Data
Model
Speed
High
FWC03C
Med
Low
High
FWC04C
Med
Low
High
FWC06C
Med
Low
High
FWC07C
Med
Low
High
FWC09C
Med
Low
High
FWC12C
Med
Low
High
FWC14C
Med
Low
High
FWC16C
Med
Low
Measured In Reverberation Chamber
1/1 Octave Sound Power Level (dB, reference 1pW)
125Hz
250Hz
500Hz
57
54
52
54
51
50
51
48
47
60
58
57
56
55
54
51
50
49
63
62
61
61
61
59
57
56
56
63
62
61
61
60
59
58
57
56
65
66
68
61
62
64
56
58
60
65
68
70
65
65
67
59
61
63
67
69
71
66
66
69
63
64
66
69
70
72
69
68
70
64
65
67
1kHz
2kHz
4kHz
52
51
46
49
48
43
46
44
39
56
54
48
53
50
44
48
44
37
61
59
55
60
58
53
56
53
48
62
59
56
60
57
53
57
54
49
69
65
63
65
61
58
61
57
53
72
68
66
68
64
62
64
60
59
72
69
66
69
66
63
67
62
60
74
71
69
71
67
65
67
63
61
Overall
(dBA)
8kHz
44
57
39
54
35
51
44
61
40
58
34
52
51
65
49
64
44
60
53
66
50
64
47
61
60
73
55
69
49
64
64
76
59
72
54
68
64
76
61
73
57
70
68
78
63
75
59
71
33

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