York MFSI, Manual

Page: 31 / 48

YORK® MIXED FLOW, INLINE FAN, MODEL MFSI
31
90% WOV
80% WOV
70% WOV
60% WOV
1/2 HP
3/4 HP
1 HP
1 1/2 HP
2 HP
3 HP
15 HP
5 HP
7 1/2 HP
10 HP
900
1050
1200
1350
1500
1650
1800
1950
2100
2294
System curve, do not select to the left.
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 222
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
528
100 68 67 67 65 65 59 50 40 68
1500
100 77 90 91 87 83 84 82 74 91
80 63 65 66 65 65 62 55 48 69 80 76 87 89 84 81 82 80 74 89
70 64 65 66 65 65 62 55 49 69 70 76 87 89 84 81 82 80 74 89
60 65 65 66 65 65 62 56 49 69 60 76 87 89 83 81 81 80 74 88
50 62 63 65 65 65 62 56 50 69 50 81 89 89 84 81 82 80 74 89
715
100 73 76 74 73 72 69 61 51 76
1650
100 80 90 92 89 85 85 83 75 92
80 68 73 73 72 71 70 65 58 76 80 79 87 90 86 82 83 81 75 90
70 69 73 73 72 71 70 65 58 76 70 79 87 89 85 82 82 81 75 89
60 69 73 72 72 71 70 65 59 76 60 79 87 89 85 82 82 81 75 89
50 67 71 71 72 71 70 65 59 76 50 82 88 90 86 83 82 81 75 90
900
100 75 83 80 79 77 76 69 59 82
1800
100 83 91 93 91 86 87 85 76 94
80 71 79 78 78 76 76 72 65 82 80 81 89 91 88 84 84 83 76 91
70 71 79 78 78 76 76 72 65 82 70 81 88 91 87 83 83 82 76 91
60 71 80 78 78 76 76 72 66 82 60 82 87 90 87 83 83 82 76 90
50 70 77 76 78 76 76 72 66 82 50 84 88 90 87 84 83 83 76 91
1050
100 77 86 83 82 80 79 74 65 86
1950
100 85 93 95 93 88 88 87 79 96
80 73 82 81 81 79 79 76 69 85 80 82 90 93 90 86 86 85 79 93
70 73 82 81 81 79 79 76 70 85 70 83 89 92 89 86 85 84 79 93
60 73 83 81 81 79 79 76 70 85 60 83 89 92 89 85 85 84 79 92
50 73 81 79 80 79 79 76 70 85 50 85 89 92 90 86 85 84 79 93
1200
100 78 88 86 84 82 81 77 69 88
2100
100 86 94 97 95 91 90 89 82 98
80 75 84 84 82 81 80 77 72 87 80 84 91 95 92 88 87 86 81 95
70 75 84 84 82 80 80 77 72 86 70 84 91 94 92 88 87 86 81 95
60 75 85 84 82 80 80 77 72 86 60 84 90 94 91 87 86 86 81 94
50 76 84 83 82 80 80 77 72 86 50 86 91 94 92 88 87 86 81 95
1350
100 78 89 89 85 83 83 79 72 89
2294
100 87 95 100 97 93 92 91 85 100
80 76 86 86 83 81 81 79 73 88 80 85 92 97 94 91 89 88 84 97
70 76 86 86 83 81 81 79 73 88 70 86 92 96 94 90 89 88 84 97
60 76 86 86 82 81 81 79 73 87 60 86 92 96 94 90 88 88 84 97
50 79 87 86 83 81 81 79 73 88 50 88 93 96 94 90 89 88 84 97