
YORK® MIXED FLOW, INLINE FAN, MODEL MFSI
40
90% WOV
80% WOV
70% WOV
60% WOV
30 HP
40 HP
50 HP
60 HP
75 HP
100 HP
20 HP
7 1/2 HP
10 HP
15 HP
350
420
480
540
600
660
720
780
840
903
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 542
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
236
100
76
76
77
72
65
59
51
43
73
600
100
99
100
96
98
95
87
82
74
99
80
72
71
70
67
61
54
46
38
68
80
94
94
92
91
89
84
77
69
93
70
71
70
69
66
61
54
47
40
67
70
94
94
92
90
88
84
77
70
93
60
71
70
68
66
61
55
48
41
67
60
94
94
92
89
87
84
77
70
92
50
72
71
67
66
62
56
50
44
67
50
94
94
93
88
87
84
78
72
92
295
100
83
80
82
79
71
66
58
50
79
660
100
100
102
99
99
97
89
84
76
101
80
77
76
76
73
68
61
54
46
74
80
95
96
94
93
90
86
79
72
95
70
77
76
74
72
68
61
54
47
73
70
95
96
94
92
89
86
79
72
94
60
77
76
73
72
68
62
55
48
73
60
95
95
93
91
89
85
79
73
94
50
77
77
72
72
68
62
56
50
73
50
95
96
95
91
89
86
80
75
94
350
100
87
85
86
84
77
71
64
56
84
720
100
100
104
101
100
99
91
85
79
103
80
82
81
80
78
73
67
59
51
79
80
96
98
96
95
92
87
81
74
97
70
81
80
79
77
73
67
60
52
78
70
96
98
95
93
91
87
81
75
96
60
81
80
78
76
73
67
60
53
78
60
96
97
95
92
90
87
82
75
95
50
81
81
77
76
73
68
62
56
78
50
96
97
96
93
90
87
82
77
96
420
100
91
90
89
89
83
77
70
62
89
780
100
101
105
103
101
101
93
87
80
104
80
86
85
84
82
78
73
65
57
83
80
97
100
98
96
94
88
83
77
98
70
86
85
83
81
78
73
65
58
83
70
97
99
97
95
93
88
83
77
98
60
85
85
82
80
78
73
66
59
83
60
97
98
96
94
92
88
83
77
97
50
85
85
83
80
78
73
67
61
83
50
98
99
98
94
92
88
84
79
97
480
100
94
94
92
92
88
81
75
67
93
840
100
101
107
105
102
103
95
88
82
106
80
89
89
87
86
82
77
70
62
87
80
98
102
99
97
96
90
85
78
100
70
89
88
86
84
82
77
70
62
87
70
98
100
98
96
95
89
85
78
99
60
89
88
86
83
81
77
70
63
86
60
98
100
98
95
93
88
85
79
98
50
88
89
87
83
81
77
71
65
86
50
99
100
99
96
93
89
86
81
99
540
100
96
97
94
95
91
84
78
70
96
903
100
101
109
107
103
105
96
89
83
108
80
92
92
90
89
86
81
74
66
91
80
99
103
101
98
98
91
86
80
102
70
92
91
89
87
85
81
74
66
90
70
99
102
100
96
96
90
86
80
100
60
92
91
89
86
84
81
74
67
89
60
99
101
99
95
95
89
86
81
99
50
91
91
90
86
84
81
75
69
89
50
100
102
100
97
95
90
87
83
100
Содержание MFSI
Страница 1: ...Mixed Flow Inline Fan Model MFSI...
Страница 47: ......