Daikin FWW Series Technical Manual page 26

Chilled water fan coil units
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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
Microphone position: 1.4/*1.5m below the centre of the unit.
(Tested with 2m length duct at the air discharge outlet and air return inlet).
22
1/1 Octave A-Weighted Sound Pressure (dBA), ref 20µPa Overall
125Hz
250Hz
500Hz
43
35
35
42
32
32
40
27
27
46
40
40
43
36
36
38
31
31
47
41
43
47
40
40
47
35
28
48
41
40
46
38
38
44
35
35
50
45
43
45
40
40
39
32
35
54
47
47
47
41
43
41
36
39
54
49
49
53
47
46
50
44
42
55
49
49
54
48
48
52
45
46
1kHz
2kHz
4kHz
30
26
18
27
23
15
23
18
9
33
29
21
29
25
15
24
18
8
35
31
24
34
30
22
29
24
15
35
31
24
33
28
21
29
24
16
42
37
31
37
32
26
30
24
18
45
39
35
39
33
29
34
27
23
48
43
37
46
39
34
43
34
31
50
44
37
48
42
35
45
37
32
Sound Data
Noise
(dBA)
Criteria
8kHz
13
36
30
10
33
26
4
29
22
17
40
35
12
36
31
5
31
25
19
42
38
17
41
35
9
35
28
19
41
35
16
39
33
11
36
30
26
46
41
19
42
36
10
35
30
29
49
44
21
44
38
14
39
34
32
52
47
28
49
45
24
46
42
33
53
49
31
51
47
26
48
44

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