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PERFORMANCE DATA — 549B, 549C (cont)
FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)
LEGEND
*Motor drive range: 1300 to 1685 rpm. All other rpms require field-
supplied drive.
NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 2.90.
3. See page 103 for General Fan Performance Notes.
549B072 (6 TONS) HIGH-STATIC MOTOR (BELT DRIVE)*
Airflow
(Cfm)
External Static Pressure (in. wg)
0.2 0.4 0.6 0.8 1.0
Rpm Bhp Watt Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts
1800 907 0.63 558 1006 0.80 708 1092 0.97 860 1169 1.14 1015 1239 1.32 1174
1900 945 0.72 638 1042 0.90 796 1126 1.08 956 1201 1.26 1119 1271 1.45 1285
2000 984 0.82 727 1078 1.00 892 1160 1.19 1060 1235 1.39 1230 1303 1.58 1403
2100 1024 0.93 823 1115 1.12 997 1195 1.32 1173 1268 1.52 1350 1335 1.72 1531
2200 1063 1.05 929 1152 1.25 1111 1230 1.46 1294 1302 1.67 1480 1368 1.88 1668
2300 1103 1.18 1044 1189 1.39 1234 1266 1.60 1425 1337 1.82 1618 1402 2.04 1814
2400 1143 1.32 1168 1227 1.54 1367 1302 1.76 1566 1371 1.99 1767 1435 2.22 1970
2500 1183 1.47 1303 1265 1.70 1510 1339 1.93 1717 1406 2.17 1926 1470 2.41 2136
2600 1224 1.63 1448 1303 1.87 1663 1375 2.12 1878 1442 2.36 2095 1504 2.60 2313
2700 1264 1.81 1604 1342 2.06 1828 1412 2.31 2051 1478 2.56 2275 1539 2.82 2501
2800 1305 1.99 1772 1381 2.26 2003 1450 2.52 2235 1514 2.78 2467 — — —
2900 1346 2.20 1951 1420 2.47 2191 1488 2.74 2431 — — — — — —
3000 1387 2.41 2142 1459 2.69 2391 — — — — — — — — —
549B072 (6 TONS) HIGH-STATIC MOTOR (BELT DRIVE)* (cont)
Airflow
(Cfm)
External Static Pressure (in. wg)
1.2 1.4 1.6 1.8 2.0
Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts
1800 1304 1.51 1337 1365 1.69 1503 1422 1.88 1674 1477 2.08 1848 1528 2.28 2025
1900 1335 1.64 1454 1395 1.83 1627 1452 2.03 1804 1506 2.23 1984 1557 2.44 2168
2000 1366 1.78 1580 1426 1.98 1760 1482 2.19 1943 1535 2.40 2130 1586 2.61 2319
2100 1398 1.93 1715 1457 2.14 1901 1512 2.35 2091 1565 2.57 2284 1616 2.79 2481
2200 1430 2.09 1858 1488 2.31 2052 1543 2.53 2249 1596 2.76 2449 — — —
2300 1462 2.27 2012 1520 2.49 2212 1574 2.72 2416 — — — — — —
2400 1495 2.45 2175 1552 2.68 2383 — — — — — — — — —
2500 1529 2.64 2349 1585 2.89 2564 — — — — — — — — —
2600 1562 2.85 2533 — — — — — — — — — — — —
2700 ——— —— — —— — ————— —
2800 ——— —— — —— — ————— —
2900 ——— —— — —— — ————— —
3000 ——— —— — —— — ————— —
Bhp — Brake Horsepower Input to Fan
Watts — Input Watts to Motor
549B, 549C