York MFSI, Manual

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YORK® MIXED FLOW, INLINE FAN, MODEL MFSI
14
222
Wheel Dia. Outlet Area Tip Speed (FPM) Maximum BHP Max. Motor Frame Size
27.0 in. 4.93 sq. ft. 7.07 x RPM 1.26 (RPM / 1000)
3
326T
Performance shown is for Installation Type B: free inlet, ducted outlet. Power rating (BHP) does not include belt drive losses. Performance ratings
do not include the effects of appurtenances in the airstream. Bold figures indicate maximum static efficiency. Approximate fan weights are less
motor and accessories.
CFM OV
1/4" SP 1/2" SP 3/4" SP 1" SP 1 1/4" SP 1 1/2" SP 1 3/4" SP 2" SP 2 1/4" SP 2 1/2" SP
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
3000 609 534 0.18
645 0.33 741 0.50
- - - - - - - - - - - - - -
3500 710 585 0.23 686 0.39 776 0.58 858 0.77 - - - - - - - - - - - -
4000 811 639 0.28 732 0.47
816 0.67 893 0.88 965 1.10 1032 1.34
- - - - - - - -
4500 913 695 0.35 780 0.55 859 0.77 932 1.00 1001 1.24 1065 1.49 1126 1.75 1185 2.01 - - - -
5000 1014 753 0.43 832 0.65 906 0.88 975 1.13
1040 1.39 1102 1.65 1160 1.93 1217 2.21 1271 2.50 1323 2.80
5500 1116 813 0.52 886 0.76 955 1.01 1020 1.27 1082 1.55 1141 1.83 1198 2.12 1252 2.42 1304 2.73 1354 3.04
6000 1217 873 0.63 941 0.88 1006 1.15 1068 1.43 1127 1.72 1183 2.03 1237 2.34 1290 2.65 1340 2.98 1389 3.31
6500 1318 935 0.75 998 1.02 1059 1.31 1117 1.61 1173 1.92 1227 2.24 1279 2.56
1330 2.90 1378 3.24 1426 3.58
7000 1420 997 0.89 1057 1.18 1114 1.49 1169 1.80 1222 2.13 1274 2.46 1324 2.81 1372 3.16 1419 3.52 1465 3.88
7500 1521 1060 1.05 1116 1.36 1170 1.68 1222 2.02 1273 2.36 1322 2.71 1370 3.07 1417 3.44 1462 3.81
1506 4.20
8000 1623 1123 1.23 1176 1.56 1227 1.90 1277 2.25 1325 2.61 1373 2.98 1418 3.35 1463 3.74 1507 4.13 1549 4.53
8500 1724 1187 1.44 1237 1.78 1286 2.14 1333 2.50 1379 2.88 1424 3.27 1468 3.66 1511 4.06 1553 4.47 1594 4.89
9000 1826 1251 1.66 1298 2.03 1345 2.40 1390 2.78 1434 3.18 1477 3.58 1519 3.99 1561 4.41 1601 4.84 1641 5.27
9500 1927 1315 1.91 1360 2.29 1404 2.69 1448 3.09 1490 3.50 1531 3.92 1572 4.35 1612 4.78 1651 5.22 1689 5.67
10000 2028 1379 2.19 1423 2.59 1465 3.00 1506 3.42 1547 3.85 1586 4.28 1626 4.73 1664 5.18 1702 5.64 1739 6.11
10500 2130 1444 2.49 1485 2.91 1526 3.34 1565 3.77 1604 4.22 1643 4.67 1680 5.14 1717 5.60 1754 6.08 1789 6.57
11000 2231 1509 2.82 1548 3.26 1587 3.71 1625 4.16 1663 4.62 1700 5.09 1736 5.57 1771 6.06 1807 6.55 1841 7.05
12000 2434 1639 3.57 1675 4.05 1711 4.53 1747 5.02 1781 5.52 1816 6.03 1849 6.54 1883 7.06 1916 7.59 1948 8.12
13000 2637 1769 4.45 1803 4.96 1837 5.49 1870 6.01 1902 6.55 1934 7.09 1966 7.64 1997 8.20 2028 8.76 2058 9.33
14000 2840 1900 5.47 1932 6.02 1963 6.58 1994 7.15 2024 7.72 2054 8.30 2084 8.88 2113 9.47 2142 10.07 2171 10.67
CFM OV
2 3/4" SP 3" SP 3 1/2" SP 4" SP 4 1/2" SP 5" SP 5 1/2" SP 6" SP 6 1/2" SP 7" SP
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
6000 1217 1436 3.64 1482 3.99 1570 4.69 - - - - - - - - - - - - - -
6300 1278
1457 3.82 1502 4.17 1589 4.90
- - - - - - - - - - - - - -
6600 1339 1479 4.00 1523 4.36 1609 5.11 1690 5.87 - - - - - - - - - - - -
6900 1400 1502 4.19 1545 4.56 1629 5.33 1709 6.11 1786 6.92 - - - - - - - - - -
7200 1460
1525 4.38 1568 4.77 1650 5.55 1729 6.36 1805 7.19 1878 8.04
- - - - - - - -
7500 1521 1549 4.59 1591 4.98 1672 5.79 1750 6.61 1825 7.46 1897 8.33 1967 9.22 - - - - - -
7800 1582
1574 4.79 1615 5.20 1695 6.03 1772 6.87 1846 7.74 1917 8.63 1986 9.54 2052 10.46
- - - -
8100 1643 1600 5.01 1640 5.43 1719 6.27 1794 7.14 1867 8.03 1937 8.94 2005 9.87 2071 10.81 2135 11.77 - -
8400 1704 1626 5.24 1666 5.66 1743 6.53 1817 7.42 1889 8.33 1958 9.26 2025 10.21 2090 11.17 2154 12.15 2215 13.15
8700 1765 1653 5.47 1692 5.90
1768 6.79 1841 7.71 1911 8.64 1979 9.59 2046 10.55 2110 11.54 2173 12.54 2234 13.56
9000 1826 1680 5.71 1718 6.16 1793 7.07 1865 8.00 1934 8.95 2002 9.92 2067 10.91 2131 11.91 2193 12.93 2253 13.97
9300 1886 1708 5.96 1746 6.42 1819 7.35
1890 8.30 1958 9.27 2024 10.26 2089 11.27 2152 12.30 2213 13.34 2273 14.40
9600 1947 1737 6.22 1773 6.69 1845 7.64 1915 8.61 1982 9.61 2048 10.62 2111 11.65 2173 12.69 2234 13.75 2293 14.83
10100 2049 1785 6.67 1821 7.16 1891 8.14 1958 9.15
2024 10.18 2088 11.23 2150 12.29 2211 13.37 2270 14.47
- -
10600 2150 1835 7.16 1869 7.66 1937 8.68 2003 9.72 2067 10.78 2130 11.86 2190 12.96 2250 14.08 - - - -
11100 2252 1886 7.67 1919 8.18 1985 9.24 2049 10.31 2112 11.41 2173 12.53
2232 13.66 2290 14.81
- - - -
11600 2353 1938 8.21 1970 8.74 2034 9.83 2096 10.94 2157 12.07 2217 13.22 2275 14.39 - - - - - -
12100 2454 1991 8.78 2022 9.33 2084 10.45 2145 11.60 2204 12.76 2262 13.95 - - - - - - - -
12600 2556 2045 9.39 2075 9.96 2135 11.11 2194 12.29 2252 13.49 - - - - - - - - - -
13100 2657 2099 10.03 2129 10.62 2188 11.81 2245 13.02 - - - - - - - - - - - -
j
WR
2
= Inertial Starting Force
k
Maximum RPM is based on operating temperature of 100°F.
From 101°F through 200°F multiply RPM by 0.93.
Class
Fan Weight
(Lbs.)
Wheel Weight
(Lbs.)
WR
2 j
(Lbs. Ft.
2
)
Max. Wheel RPM
k
(Steel or Aluminum)
I 408 66 34 1825
II 430 78 41 2294
60
3/4
(MAX)
43
1/8
34
33
3/8
26
1/4