26
Sound Data
Model
Speed
1/1 Octave Sound Pressure Level (dB, reference 20mPa)
Overall Noise
Criteria
125 Hz 250 Hz 500 Hz 1000 Hz 2000 Hz 4000 Hz 8000 Hz (dBA)
FWC03H
High
37
36
34
30
23
15
5
35
29
Med
32
30
28
24
16
5
5
29
22
Low
24
22
20
12
7
7
6
20
0
FWC04H
High
37
37
36
32
28
21
12
37
31
Med
32
31
30
26
20
12
5
31
24
Low
25
22
22
15
8
5
5
22
0
FWC06H
High
46
41
39
36
30
24
15
41
35
Med
41
37
37
32
25
18
9
37
32
Low
38
32
31
25
17
9
4
31
25
FWC08H
High
47
43
41
38
32
26
15
43
37
Med
43
38
36
32
25
17
6
37
31
Low
37
31
30
24
16
6
5
30
24
FWC10H
High
48
44
42
39
33
26
18
44
38
Med
47
41
38
34
28
20
10
40
33
Low
43
33
32
26
18
7
5
33
26
FWC12H
High
48
44
43
39
33
26
18
44
38
Med
43
40
39
35
29
21
12
40
34
Low
40
38
36
32
24
15
6
37
31
FWC14H
High
52
46
47
41
36
31
26
47
43
Med
48
42
43
36
31
26
19
43
38
Low
41
35
35
28
23
15
7
35
30
FWC16H
High
55
48
47
42
38
34
28
48
43
Med
50
42
44
38
33
28
21
44
39
Low
43
36
38
29
25
17
7
37
33
FWC18H
High
57
51
46
42
38
34
30
49
41
Med
55
45
42
38
36
29
24
45
39
Low
52
39
35
30
26
20
13
39
35
FWC20H
High
55
52
49
43
38
36
31
50
45
Med
52
48
44
39
35
31
26
46
39
Low
46
39
37
31
26
20
13
38
32
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 1/1 Octave A-Weighted Sound Pressure (dBA), ref 20µPa Overall
(dBA)
Noise
Criteria
125Hz 250Hz 500Hz 1kHz
2kHz
4kHz
8kHz
FUD20B
High
57
50
47
44
40
35
24
50
43
Med
57
46
44
40
35
30
17
46
41
Low
48
42
41
35
30
24
6
42
36
FUD25B
High
57
53
50
50
44
40
31
54
49
Med
55
51
49
48
42
38
28
52
47
Low
54
50
48
46
40
35
25
50
45
FUD30B
High
57
55
56
53
51
46
38
58
53
FUD40B
High
57
55
56
53
51
46
38
58
53
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
Summary of Contents for FWW Series
Page 2: ......
Page 4: ...Table of Contents ii...
Page 85: ...81 Selection Process...
Page 136: ...132 Wiring Diagrams Model FWC02 03 04 05 06FD Model FWC08 10FD...
Page 137: ...133 Wiring Diagrams Model FWC03 04 06 14 16 18 20H Model FWC08 10 12H...
Page 138: ...134 Wiring Diagrams Model FUD20B Model FUD25B...
Page 139: ...135 Wiring Diagrams Model FUD30 40B...
Page 143: ......