Shaded values show where Class I fan selections are more efficient than Class II.
Inlet Sound Power, L
RPM
% WOV
1
2
100
82
74
80
79
71
325
60
77
69
50
75
68
100
89
83
80
85
80
450
60
82
77
50
82
77
100
88
93
80
85
91
650
60
83
87
50
86
88
100
91
98
80
87
95
900
60
86
91
50
88
90
100
95
99
104 102
80
90
95
100
1129
60
91
92
50
94
94
Performance certified is for installation type B: Free inlet, Ducted outlet. Power rating (Bhp) does not include transmission losses. Performance ratings do not
include the effects of appurtenances (accessories).
The sound power level ratings shown are in decibels, referred to 10
L
A sound power levels for installation type B: Free inlet, Ducted outlet. Ratings for inlet sound do not include the effects of duct end correction. Ratings for outlet
Wo
sound include the effects of duct end correction. The A-weighted sound power ratings shown have been calculated per AMCA Standard 301. The AMCA Certified
Ratings Seal applies to L
A and L
Wi
Wo
1129
365T
10 hp
7.5 kW
1378 mm
1043 kg.
3
1
2
BHP
RPM
BHP
RPM
4.95
585
9.67
681
5.75
609
10.7
698
6.70
637
11.8
717
7.78
668
13.1
741
9.00
700
14.5
769
10.4
732
16.2
798
12.0
767
18.0
829
13.7
803
20.0
861
15.7
839
22.3
894
17.8
875
24.7
928
20.2
913
27.4
963
22.8
952
30.3
999
[dB ref 10
watts]
-12
Wi
3
4
5
6
7
8
L
Wi
70
71
69
58
49
43
73
68
68
64
55
46
38
69
66
67
64
55
46
38
68
65
67
63
54
46
39
67
79
78
78
73
60
53
82
75
75
72
64
56
49
77
73
74
72
64
56
50
75
72
73
71
62
55
50
75
88
86
86
85
73
65
91
85
84
81
75
68
61
86
81
81
79
74
68
62
83
81
80
78
73
67
63
83
99
95
92
94
88
72
99
96
92
88
84
78
70
94
92
89
86
82
77
71
91
91
88
85
82
77
72
91
98
97
97
82
105
99
95
91
87
78
100
96
95
92
88
84
78
97
96
95
91
88
84
80
97
-12
watts, calculated per AMCA Standard 301. Values shown are for inlet L