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PERFORMANCE DATA (cont)
FAN PERFORMANCE — VERTICAL 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
0.88 0.67 750 1.20 0.71 791 1.19 0.70 782 1.36 0.76 845 1.38 0.79 875 1.44 0.85 949
1600
0.68 0.70 780 1.04 0.74 824 1.04 0.74 821 1.22 0.79 883 1.25 0.82 913 1.33 0.89 988
1700
0.51 0.73 810 0.89 0.77 857 0.89 0.77 861 1.09 0.83 921 1.13 0.85 950 1.22 0.92 1027
1800
0.35 0.75 839 0.73 0.80 891 0.74 0.81 900 0.96 0.86 959 1.00 0.89 988 1.11 0.96 1066
1900
0.26 0.78 873 0.58 0.83 924 0.59 0.84 940 0.86 0.90 997 0.88 0.92 1025 1.00 0.99 1105
2000
0.18 0.81 905 0.42 0.86 957 0.44 0.88 979 0.73 0.93 1035 0.78 0.95 1063 0.92 1.03 1144
2100
0.08 0.84 940 0.27 0.89 990 0.29 0.91 1018 0.59 0.96 1073 0.63 0.99 1101 0.81 1.06 1183
2200
———0.19 0.92 1023 0.19 0.93 1035 0.46 1.00 1111 0.49 1.02 1138 0.69 1.10 1222
2300
———0.11 0.95 1056 0.11 0.97 1076 0.34 1.03 1149 0.41 1.06 1176 0.59 1.13 1261
2400
———0.03 0.98 1096 0.04 1.00 1113 0.19 1.07 1187 0.22 1.09 1213 0.43 1.17 1300
2500
——————— ——0.09 1.10 1225 0.12 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 730 0.34 347 789 0.40 409 896 0.53 542
990 0.67 685 1072 0.83 848
1600 770 0.40 409 826 0.46 470
931 0.61 623 1020 0.75 766 1101 0.91 930
1700 811 0.47 480 865 0.54 552
966 0.69 705 1051 0.84 858 1133 1.01 1032
1800 852 0.55 562
905 0.62 634 1002 0.78 797 1084 0.93 950 1163 1.10 1124
1900 894 0.54 552
945 0.72 736 1037 0.88 899 1119 1.04 1063 1194 1.21 1237
2000
936 0.74 756 984 0.82 838 1072 0.98 1001 1154 1.16 1185 1226 1.33 1359
2100
978 0.85 869 1024 0.93 950 1108 1.10 1124 1192 1.29 1318 1259 1.47 1502
2200
1021 0.97 991 1064 1.05 1073 1145 1.22 1247 1225 1.43 1461 1294 1.62 1656
2300
1064 1.10 1124 1104 1.18 1206 1183 1.36 1390 1260 1.57 1604
1330 1.78 1819
2400
1107 1.24 1267 1145 1.32 1349 1222 1.45 1482 1296 1.73 1768
1365 1.94 1983
2500
1150 1.39 1420 1186 1.48 1512 1262 1.68 1717
1331 1.80 1921 1400 2.12 2166
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
1153 1.00 1022 1221 1.17 1196 1256 1.30 1328 1280 1.32 1349
1320 1.22 1400
1600
1178 1.09 1114 1252 1.27 1298
1311 1.45 1482 1340 1.58 1615 1380 1.61 1645
1700
1205 1.18 1206 1278 1.37 1400
1345 1.57 1604 1397 1.76 1799 1424 1.89 1931
1800
1235 1.29 1318
1303 1.48 1512 1371 1.69 1727 1433 1.90 1942 1480 2.09 2136
1900
1266 1.40 1431
1330 1.59 1625 1396 1.80 1850 1460 2.03 2074 1517 2.25 2299
2000
1297 1.53 1564
1362 1.73 1768 1422 1.94 1983 1485 2.16 2207 1544 2.40 2453
2100 1327 1.66 1696 1393 1.80 1911 1452 2.08 2126 1510 2.31 2361
1569 2.55 2606
2200 1359 1.80 1850 1423 2.02 2064 1483 2.24 2289
1538 2.46 2514 1595 2.71 2769
2300 1392 1.97 2013 1454 2.18 2228
1515 2.41 2463 1569 2.64 2698 1622 2.88 2943
2400 1426 2.15 2197 1485 2.36 2412
1544 2.59 2647 1601 2.84 2902 1652 3.07 3137
2500 1461 2.34 2391
1518 2.55 2606 1575 2.78 2841 1631 3.03 3096 1684 3.28 3352
Bhp —
Brake Horsepower Input to Fan
Watts —
Input Watts to Motor
50TFQ004-012
548F036-120