YORK® MIXED FLOW, INLINE FAN, MODEL MFSI
33
90% WOV
80% WOV
70% WOV
60% WOV
3/4 HP
1 HP
1 1/2 HP
2 HP
3 HP
5 HP
20 HP
7 1/2 HP
10 HP
15 HP
650
750
850
950
1100
1250
1400
1550
1700
1846
System curve, do not select to the left.
25 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 270
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
398
100
67
64
64
65
64
56
48
39
67
1100
100
81
92
88
86
85
85
78
70
91
80
64
62
62
64
62
56
49
41
66
80
82
89
85
83
83
82
77
70
88
70
64
62
62
63
62
57
49
41
66
70
81
88
84
82
83
82
77
71
88
60
63
61
62
63
62
57
49
41
66
60
80
88
83
82
82
82
77
71
88
50
65
63
64
64
63
57
49
41
66
50
83
89
83
82
83
82
78
71
88
525
100
73
73
70
71
70
65
57
48
74
1250
100
81
95
90
88
87
87
81
73
93
80
70
70
69
69
69
65
58
50
73
80
83
91
86
85
85
84
79
72
90
70
69
69
68
69
69
65
58
50
73
70
82
91
85
84
84
83
79
72
89
60
69
69
68
69
69
65
58
50
73
60
81
90
84
82
83
83
79
73
89
50
71
71
70
70
70
66
58
50
74
50
83
90
83
83
83
83
79
73
89
650
100
75
79
76
75
75
72
64
56
79
1400
100
83
94
94
91
90
89
84
75
95
80
73
77
74
74
74
71
65
57
78
80
84
91
90
87
87
86
81
74
92
70
73
76
73
74
74
71
65
57
78
70
84
91
88
86
86
85
80
74
91
60
72
75
73
74
74
72
65
57
78
60
83
90
87
85
85
84
80
74
90
50
76
77
75
75
75
72
65
57
79
50
85
90
87
85
84
84
80
74
90
750
100
76
84
79
78
78
77
69
61
83
1550
100
85
94
97
94
92
91
87
77
98
80
76
81
77
77
77
76
70
62
82
80
85
91
93
90
88
88
82
75
94
70
75
80
77
77
77
76
70
62
82
70
86
90
92
89
87
87
81
75
93
60
75
79
76
77
77
76
70
62
82
60
86
90
91
87
86
86
81
74
92
50
79
81
78
78
78
76
70
62
82
50
88
90
90
87
86
86
81
75
92
850
100
77
88
82
81
81
81
73
65
86
1700
100
86
94
100
97
94
93
90
79
100
80
78
85
80
79
80
80
74
66
85
80
87
91
95
93
90
90
83
76
96
70
77
84
80
79
80
80
74
66
85
70
88
90
95
92
88
89
83
76
95
60
77
83
79
79
80
80
74
66
85
60
89
90
94
90
87
88
82
75
94
50
82
85
81
81
81
80
74
66
86
50
91
90
93
90
87
88
82
75
94
950
100
79
89
85
83
83
82
76
67
88
1846
100
87
95
102
99
96
95
92
82
102
80
79
86
83
81
81
81
75
68
86
80
88
92
97
96
92
92
86
79
98
70
79
85
82
81
81
80
75
68
86
70
89
92
96
94
91
91
85
78
97
60
79
85
81
80
81
80
76
69
86
60
90
92
95
92
89
90
84
77
96
50
83
86
82
82
82
81
76
69
87
50
92
93
94
92
89
89
85
78
95
Содержание MFSI
Страница 1: ...Mixed Flow Inline Fan Model MFSI...
Страница 47: ......