Daikin FWW Series Technical Manual page 30

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
Microphone position: 1m in front of the unit and center of the unit.
1m away from every side of the unit and 1m above floor level
26
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
1/1 Octave A-Weighted Sound Pressure (dBA), ref 20µPa Overall
125Hz 250Hz 500Hz
57 50 47
57 46 44
48 42 41
57 53 50
55 51 49
54 50 48
57 55 56
57 55 56
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
1kHz 2kHz 4kHz
44 40 35
40 35 30
35 30 24
50 44 40
48 42 38
46 40 35
53 51 46
53 51 46
Sound Data
Overall Noise
Criteria
(dBA)
5 35 29
5 29 22
6 20 0
12 37 31
5 31 24
5 22 0
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
Noise
8kHz (dBA) Criteria
24 50 43
17 46 41
6 42 36
31 54 49
28 52 47
25 50 45
38 58 53
38 58 53