York MFSI, Manual

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YORK® MIXED FLOW, INLINE FAN, MODEL MFSI
39
90% WOV
80% WOV
70% WOV
60% WOV
30 HP
40 HP
50 HP
60 HP
75 HP
5 HP
20 HP
7 1/2 HP
10 HP
15 HP
350
450
550
610
670
730
790
850
910
1000
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 490
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
244
100 74 74 74 70 63 57 49 41 71
670
100 97 99 96 97 94 87 81 74 98
80 69 69 68 65 59 52 44 37 66 80 92 94 91 90 88 83 77 70 92
70 69 68 67 64 59 52 45 38 65 70 92 93 91 89 87 83 77 70 92
60 69 68 66 64 59 53 46 39 65 60 92 93 91 88 86 83 77 70 91
50 69 69 65 64 60 54 48 42 65 50 92 93 92 88 86 83 78 72 91
300
100 80 78 80 77 69 64 56 48 77
730
100 97 101 99 98 96 89 83 76 100
80 75 73 73 71 66 59 51 43 72 80 93 96 93 92 90 85 79 72 94
70 74 73 72 70 66 59 52 44 71 70 93 95 93 91 88 84 79 72 93
60 74 73 71 69 66 59 52 46 71 60 93 94 92 90 88 84 79 73 93
50 74 75 70 69 66 60 54 48 71 50 93 95 93 90 87 84 80 75 93
350
100 83 82 83 81 74 68 61 53 81
790
100 98 103 101 99 98 91 84 78 102
80 78 77 77 75 70 64 56 49 76 80 94 97 95 93 92 86 80 74 96
70 78 77 76 74 70 64 57 49 75 70 94 96 94 92 90 85 80 74 95
60 78 77 75 73 70 64 57 50 75 60 94 96 94 91 89 85 81 75 94
50 78 78 74 73 70 65 59 53 75 50 95 96 95 92 89 85 82 77 95
450
100 89 89 88 88 82 76 70 62 88
850
100 98 104 103 100 100 92 85 79 103
80 85 84 82 81 77 72 65 57 82 80 95 99 97 94 94 87 82 76 98
70 84 84 82 80 77 72 65 57 82 70 95 98 96 93 92 86 82 76 96
60 84 83 81 79 77 72 65 58 82 60 95 97 95 92 91 86 82 76 95
50 83 84 82 78 77 72 66 60 81 50 96 98 96 93 91 86 83 79 96
550
100 93 94 92 93 89 82 76 68 94
910
100 98 106 104 100 102 93 86 80 105
80 89 89 87 86 83 78 71 63 88 80 96 100 98 96 95 88 83 77 99
70 89 89 87 85 82 78 71 64 87 70 96 99 97 94 94 87 83 77 98
60 89 88 86 84 82 78 72 65 87 60 96 98 97 93 92 87 83 78 97
50 88 89 88 83 82 78 72 66 87 50 97 99 97 94 92 87 84 80 97
610
100 96 97 94 95 92 85 79 72 96
1000
100 99 109 106 103 104 96 89 83 107
80 91 92 89 89 86 81 75 67 91 80 98 103 100 98 97 91 86 80 101
70 91 91 89 87 85 81 75 67 90 70 98 102 99 96 96 90 85 80 100
60 91 91 89 86 84 81 75 68 89 60 98 101 98 95 94 89 85 81 98
50 91 91 91 86 84 81 76 70 90 50 99 102 99 96 94 90 86 82 99