Daikin FWW Series Technical Manual page 32

Chilled water fan coil units
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Model
Speed
(MSP)
High
FWC03G
Med
Low
High
FWC04G
Med
Low
High
FWC06G
Med
Low
High
FWC08G
Med
Low
High
FWC10G
Med
Low
High
FWC12G
Med
Low
High
FWC14G
Med
Low
High
FWC16G
Med
Low
High
FWC18G
Med
Low
High
FWC20G
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).
28
1/1 Octave Sound Pressure Level (dB, reference 20mPa)
125 Hz
250 Hz
500 Hz 1000 Hz 2000 Hz 4000 Hz 8000 Hz
37
36
34
32
30
28
24
22
20
37
37
36
32
31
30
25
22
22
46
41
39
41
37
37
38
32
31
47
43
41
43
38
36
37
31
30
48
44
42
47
41
38
43
33
32
48
44
43
43
40
39
40
38
36
52
46
47
48
42
43
41
35
35
55
48
47
50
42
44
43
36
38
57
51
46
55
45
42
52
39
35
55
52
49
52
48
44
46
39
37
30
23
15
24
16
5
12
7
7
32
28
21
26
20
12
15
8
5
36
30
24
32
25
18
25
17
9
38
32
26
32
25
17
24
16
6
39
33
26
34
28
20
26
18
7
39
33
26
35
29
21
32
24
15
41
36
31
36
31
26
28
23
15
42
38
34
38
33
28
29
25
17
42
38
34
38
36
29
30
26
20
43
38
36
39
35
31
31
26
20
Sound Data
Overall
Noise
(dBA)
Criteria
5
35
29
5
29
22
6
20
-
12
37
31
5
31
24
5
22
-
15
41
35
9
37
32
4
31
25
15
43
37
6
37
31
5
30
24
18
44
38
10
40
33
5
33
26
18
44
38
12
40
34
6
37
31
26
47
43
19
43
38
7
35
30
28
48
43
21
44
39
7
37
33
30
49
41
24
45
39
13
39
35
31
50
45
26
46
39
13
38
32

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