Daikin FWW Series Technical Manual page 38

Chilled water fan coil units
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Model
Speed
High
FWC02FD
Med
Low
High
FWC03FD
Med
Low
High
FWC04FD
Med
Low
High
FWC05FD
Med
Low
High
FWC06FD
Med
Low
High
FWC08FD
Med
Low
High
FWC10FD
Med
Low
Measured In Reverberation Chamber
Model
Speed
(LSP)
High
FWC02G
Med
Low
High
FWC03G
Med
Low
High
FWC04G
Med
Low
High
FWC06G
Med
Low
High
FWC08G
Med
Low
High
FWC10G
Med
Low
High
FWC12G
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).
34
1/1 Octave Sound Power Level (dB, reference 1pW)
125Hz
250Hz
500Hz
56
59
59
57
58
58
54
54
54
59
61
60
59
61
59
58
59
58
59
61
61
60
60
60
60
56
56
61
62
63
60
62
62
57
58
59
63
65
65
62
64
64
58
60
61
66
66
65
67
65
64
64
65
63
66
67
67
65
66
67
63
64
64
1/1 Octave Sound Power Level (dB, reference 1pW)
125 Hz
250 Hz
500 Hz 1000 Hz 2000 Hz 4000 Hz 8000 Hz
61
52
54
53
49
51
47
45
46
56
55
57
55
51
52
49
43
44
58
58
59
55
55
56
47
47
47
60
60
60
59
58
58
54
54
54
60
60
60
57
56
56
50
50
50
62
62
62
59
59
60
54
54
55
64
62
62
61
60
60
58
56
57
1kHz
2kHz
4kHz
55
50
45
54
49
44
50
44
38
57
55
50
56
53
48
54
51
45
58
54
49
57
53
48
53
49
42
60
57
52
60
57
52
57
53
47
62
56
51
61
55
51
57
51
46
62
58
53
61
57
52
60
55
49
64
61
56
64
60
55
62
57
52
54
47
41
50
42
35
44
35
26
57
51
47
51
45
39
41
33
24
59
54
49
55
49
43
44
37
28
59
54
51
57
52
48
53
46
42
58
53
49
55
48
43
47
39
32
61
57
53
59
53
48
54
47
41
61
56
52
58
52
48
54
48
42
Sound Data
Overall
(dBA)
8kHz
38
61
37
60
31
56
42
63
40
62
38
60
42
64
41
63
34
59
46
66
45
66
39
62
46
67
45
66
39
63
47
68
47
67
44
65
50
70
49
69
46
67
Overall
(dBA)
32
57
29
53
21
47
37
60
28
55
23
45
40
62
33
58
21
48
44
63
40
61
33
56
41
62
34
58
25
51
46
65
41
62
31
57
44
65
40
62
33
58

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