YORK® MIXED FLOW, INLINE FAN, MODEL MFSI
42
90% WOV
80% WOV
70% WOV
60% WOV
30 HP
40 HP
50 HP
60 HP
75 HP
100 HP
20 HP
125 HP
150 HP
15 HP
260
330
380
430
480
530
580
630
680
742
System curve, do not select to the left.
25 HP
10 HP
SOUND POWER LEVELS
SOUND POWER LEVELS
The sound power level ratings shown are in decibels, referred to 10
-12
watts calculated per AMCA Standard 301. Values shown are for inlet Lwi and LwiA sound power
levels for Installation Type B: free inlet, ducted outlet. Ratings do not include the effects of duct end correction.
Size 660
Inlet Sound Power (Lwi)
RPM
%WOV
1
2
3
4
5
6
7
8
LwiA
RPM
%WOV
1
2
3
4
5
6
7
8
LwiA
183
100
76
78
76
70
64
57
49
41
72
480
100
100
100
98
98
94
87
81
73
99
80
72
72
70
66
59
52
44
36
67
80
96
95
93
92
88
83
76
68
93
70
71
70
69
65
59
52
45
37
66
70
96
95
92
91
88
83
76
69
93
60
71
70
68
65
59
53
46
39
66
60
95
94
92
90
87
83
76
69
92
50
72
70
68
65
60
54
48
42
66
50
95
95
93
89
87
83
77
71
92
220
100
81
81
81
76
69
63
55
47
77
530
100
103
103
100
101
97
90
84
76
102
80
77
76
74
71
65
58
50
42
72
80
99
98
95
94
91
86
79
71
96
70
76
75
73
70
65
58
51
43
71
70
98
97
95
93
90
86
79
72
95
60
76
74
72
70
65
58
52
45
71
60
98
97
95
92
90
86
79
73
95
50
77
75
72
70
66
60
54
48
72
50
97
97
96
91
90
86
80
74
95
260
100
86
84
85
81
74
68
60
52
82
580
100
105
105
102
103
100
92
87
79
104
80
81
80
79
76
70
63
56
48
77
80
100
100
97
97
94
89
82
74
99
70
80
79
77
75
70
63
56
49
76
70
100
99
97
95
93
89
82
75
98
60
80
79
76
74
70
64
57
50
76
60
100
99
97
94
92
89
82
75
97
50
81
80
76
74
71
65
59
53
76
50
99
99
98
93
92
89
83
77
97
330
100
92
90
91
89
81
76
68
60
89
630
100
106
107
104
105
102
94
89
81
106
80
87
85
84
82
78
71
63
56
83
80
102
102
99
98
96
91
84
77
100
70
86
85
83
81
78
71
64
56
83
70
101
101
99
97
95
91
84
77
100
60
86
85
82
80
77
71
64
58
82
60
101
101
99
96
94
91
84
78
99
50
86
86
82
80
77
72
66
60
82
50
101
101
100
96
94
91
85
80
99
380
100
95
94
94
92
86
80
73
65
93
680
100
107
109
106
106
104
96
90
83
108
80
90
89
88
86
82
76
68
60
87
80
102
103
101
100
97
92
86
79
102
70
90
89
87
85
81
76
68
61
87
70
102
103
100
99
96
92
86
79
101
60
90
88
86
84
81
76
69
62
86
60
102
102
100
97
95
92
86
80
100
50
89
90
86
84
81
76
70
64
86
50
102
103
101
97
95
92
87
82
100
430
100
98
97
96
96
90
83
77
69
96
742
100
107
111
108
107
106
98
92
85
110
80
93
92
91
89
85
80
72
64
90
80
103
105
103
101
99
94
88
81
104
70
93
92
90
88
85
80
72
65
90
70
103
104
102
100
98
93
88
82
103
60
93
92
89
87
84
80
73
66
89
60
103
104
102
99
97
93
88
82
102
50
92
92
90
86
84
80
74
68
89
50
103
104
103
100
97
94
89
84
103
Summary of Contents for MFSI
Page 1: ...Mixed Flow Inline Fan Model MFSI...
Page 47: ......