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PERFORMANCE DATA (cont)
FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)
LEGEND
Refer to page 51 for general Fan Performance notes.
LEGEND
*Motor drive range: 900 to 1300 rpm. All other rpms require field-
supplied drive.
Refer to page 51 for general Fan Performance notes.
NOTES:
1.
Boldface
indicates field-supplied drive is required.
2. indicates field-supplied motor and drive are required.
3. Maximum usable watts input is 2120 and maximum continuous bhp
is 1.30 for single-phase units and 2.40 for 3-phase units.
548F060 (5 TONS) — STANDARD MOTOR (DIRECT DRIVE)
Airflow
(Cfm)
Low Speed Medium Speed High Speed
208 v 230, 460, 575 v 208 v 230, 460, 575 v 208 v 230, 460, 575 v
ESP Bhp Watts ESP Bhp Watts ESP Bhp Watts ESP Bhp Watts ESP Bhp Watts ESP Bhp Watts
1500
1.01 0.67 750 1.25 0.71 791 1.26 0.70 782 1.46 0.76 845 1.46 0.79 875 1.52 0.85 949
1600
0.82 0.70 780 1.09 0.74 824 1.11 0.74 821 1.32 0.79 883 1.33 0.82 913 1.41 0.89 988
1700
0.64 0.73 810 0.97 0.77 857 0.99 0.77 861 1.22 0.83 921 1.24 0.85 950 1.33 0.92 1027
1800
0.44 0.75 839 0.81 0.80 891 0.84 0.80 900 1.09 0.86 959 1.11 0.89 988 1.22 0.96 1066
1900
0.32 0.78 869 0.66 0.83 924 0.69 0.83 940 0.96 0.90 997 0.99 0.92 1025 1.11 0.99 1105
2000
0.21 0.81 899 0.47 0.86 957 0.51 0.86 979 0.80 0.93 1035 0.83 0.95 1063 0.97 1.03 1144
2100
0.13 0.83 929 0.32 0.89 990 0.36 0.89 1018 0.64 0.96 1073 0.71 0.99 1101 0.86 1.06 1183
2200
0.05 0.86 959 0.19 0.92 1023 0.21 0.92 1058 0.50 1.00 1111 0.58 1.02 1138 0.75 1.10 1222
2300
—— —0.08 0.95 1057 0.08 0.95 1097 0.34 1.03 1149 0.39 1.06 1176 0.57 1.13 1261
2400
—————————0.24 1.07 1187 0.29 1.09 1213 0.49 1.17 1300
2500
—————————0.15 1.10 1225 0.15 1.12 1251 0.34 1.20 1340
Bhp —
Brake Horsepower Input to Fan
ESP —
External Static Pressure (in. wg)
Watts —
Input Watts to Motor
548F060 (5 TONS) — ALTERNATE MOTOR (BELT DRIVE)*
Airflow
(Cfm)
External Static Pressure (in. wg)
0.1 0.2 0.4 0.6 0.8
Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts
1500 658 0.27 276 722 0.33 337 840 0.46 470
937 0.59 603 1027 0.74 756
1600 693 0.32 327 754 0.38 388 867 0.52 531
963 0.65 664 1052 0.81 828
1700 729 0.38 388 787 0.44 450 895 0.58 593
991 0.73 746 1075 0.88 899
1800 765 0.45 460 821 0.51 521
923 0.65 664 1019 0.81 828 1099 0.96 981
1900 802 0.52 531 854 0.58 593
953 0.73 746 1046 0.90 920 1126 1.06 1083
2000 840 0.60 613 900 0.66 674
984 0.82 838 1073 0.99 1012 1154 1.16 1185
2100 878 0.69 705
923 0.75 766 1015 0.91 930 1101 1.08 1104 1182 1.27 1298
2200
916 0.78 797 958 0.85 869 1046 1.01 1032 1129 1.19 1216 1209 1.39 1420
2300
954 0.89 910 993 0.96 981 1079 1.13 1155 1160 1.31 1339 1237 1.51 1543
2400
993 1.00 1022 1029 1.07 1093 1112 1.25 1277 1190 1.43 1461 1264 1.63 1666
2500
1031 1.13 1155 1066 1.20 1226 1145 1.39 1420 1220 1.57 1604 1292 1.77 1809
548F060 (5 TONS) — ALTERNATE MOTOR (BELT DRIVE)* (cont)
Airflow
(Cfm)
External Static Pressure (in. wg)
1.0 1.2 1.4 1.6 1.8
Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts
1500
1108 0.90 920 1186 1.08 1104 1263 1.30 1328
1343 1.58 1615 1431 1.79 1829
1600
1130 0.97 991 1205 1.15 1175 1278 1.35 1380
1350 1.61 1645 1424 1.80 1921
1700
1154 1.06 1083 1226 1.23 1257 1296 1.42 1451
1364 1.64 1676 1432 1.89 1931
1800
1178 1.14 1165 1249 1.32 1349
1316 1.52 1553 1382 1.72 1758 1447 1.95 1993
1900
1201 1.23 1257 1274 1.43 1461
1338 1.62 1656 1402 1.80 1870 1464 2.05 2095
2000
1226 1.33 1359 1297 1.53 1564
1363 1.73 1768 1424 1.94 1983 1484 2.16 2207
2100
1252 1.45 1482
1320 1.64 1676 1388 1.80 1891 1448 2.07 2115 1505 2.29 2340
2200
1280 1.58 1615
1345 1.77 1809 1410 1.97 2013 1473 2.20 2248
1529 2.43 2483
2300 1309 1.71 1747 1372 1.91 1952 1434 2.11 2156 1496 2.34 2391
1554 2.58 2637
2400 1336 1.80 1891 1400 2.06 2105 1459 2.26 2310
1519 2.48 2534 1578 2.76 2820
2500 1363 2.00 2044 1428 2.22 2269
1486 2.43 2483 1543 2.65 2708 1600 2.89 2953
Bhp —
Brake Horsepower Input to Fan
Watts —
Input Watts to Motor
50TFQ004-012
548F036-120