63
PERFORMANCE DATA (cont)
FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)
LEGEND
*Motor drive range: 1070 to 1460 rpm. All other rpms require a field-supplied
drive.
NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 2.40.
3. See page 74 for general fan performance notes.
LEGEND
*Motor drive range: 1300 to 1685 rpm. All other rpms require a field-supplied
drive.
NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 2.90.
3. See page 74 for general fan performance notes.
580F072,073 (6 TONS) — STANDARD MOTOR (BELT DRIVE)*
Airflow
(Cfm)
External Static Pressure (in. wg)
0.2 0.4 0.6 0.8 1.0
Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts
1800 919 0.63 561 1010 0.75 663 1095 0.87 771 1174 1.00 886 1250 1.14 1008
1900 960 0.73 648 1047 0.85 754 1129 0.98 867 1206 1.11 986 1279 1.25 1111
2000 1001 0.84 744 1085 0.96 855 1163 1.09 972 1238 1.23 1095 1309 1.38 1224
2100 1043 0.96 850 1123 1.09 965 1199 1.22 1086 1271 1.37 1213 1340 1.52 1346
2200 1085 1.09 966 1162 1.22 1086 1235 1.36 1211 1305 1.51 1342 1372 1.67 1479
2300 1127 1.23 1092 1201 1.37 1217 1272 1.52 1347 1340 1.67 1482 1405 1.83 1623
2400 1169 1.38 1229 1241 1.53 1359 1310 1.68 1493 1375 1.84 1633 1439 2.00 1778
2500 1212 1.55 1378 1281 1.70 1513 1348 1.86 1652 1412 2.02 1796 1473 2.19 1945
2600 1255 1.73 1539 1322 1.89 1678 1386 2.05 1822 1448 2.22 1970 1508 2.39 2124
2700 1298 1.93 1713 1363 2.09 1857 1425 2.26 2005 — — — — — —
2800 1341 2.14 1899 1404 2.31 2048 — — — — — — — — —
2900 1384 2.36 2099 — — — — — — — — — — — —
3000 ——— —— — —— — ——— —— —
580F072,073 (6 TONS) — STANDARD 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 1321 1.28 1137 1390 1.43 1273 1455 1.59 1415 1518 1.76 1563 1579 1.93 1 718

1900 1348 1.40 1243 1415 1.56 1381 1479 1.72 1526 15 41 1.89 1677 1601 2.06 1834

2000 1377 1.53 1359 1442 1.69 1500 1505 1.86 1648 15 65 2.03 1801 1624 2.21 1961

2100 1406 1.67 1485 1470 1.83 1629 1531 2.00 1780 1591 2.18 1936 1648 2.36 2098

2200 1437 1.83 1621 1499 1.99 1769 1559 2.16 1923 1617 2.34 2082 —— —

2300 1468 1.99 1769 1529 2.16 1920 1587 2.34 2077 —— — —— —

2400 1500 2.17 1928 1559 2.35 2083 ——— —— — —— —

2500 1533 2.36 2098 ————————————

2600 ——— —— — —— — ——— —— —

2700 ——— —— — —— — ——— —— —

2800 ——— —— — —— — ——— —— —

2900 ——— —— — —— — ——— —— —

3000 ——— —— — —— — ——— —— —

Bhp — Brake Horsepower Input to Fan
Watts — Input Watts to Motor
580F072,073 (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 Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts
1800 919 0.63 561 1010 0.75 663 1095 0.87 771 1174 1.00 886 1250 1.14 1008
1900 960 0.73 648 1047 0.85 754 1129 0.98 867 1206 1.11 986 1279 1.25 1111
2000 1001 0.84 744 1085 0.96 855 1163 1.09 972 1238 1.23 1095 1309 1.38 1224
2100 1043 0.96 850 1123 1.09 965 1199 1.22 1086 1271 1.37 1213 1340 1.52 1346
2200 1085 1.09 966 1162 1.22 1086 1235 1.36 1211 1305 1.51 1342 1372 1.67 1479
2300 1127 1.23 1092 1201 1.37 1217 1272 1.52 1347 1340 1.67 1482 1405 1.83 1623
2400 1169 1.38 1229 1241 1.53 1359 1310 1.68 1493 1375 1.84 1633 1439 2.00 1778
2500 1212 1.55 1378 1281 1.70 1513 1348 1.86 1652 1412 2.02 1796 1473 2.19 1945
2600 1255 1.73 1539 1322 1.89 1678 1386 2.05 1822 1448 2.22 1970 1508 2.39 2124
2700 1298 1.93 1713 1363 2.09 1857 1425 2.26 2005 1485 2.43 2158 1544 2.61 2315
2800 1341 2.14 1899 1404 2.31 2048 1464 2.48 2201 1523 2.66 2358 1580 2.84 2520
2900 1384 2.36 2099 1445 2.54 2253 1504 2.71 2410 1561 2.90 2572 — — —
3000 1428 2.60 2313 1487 2.78 2471 — — — — — — — — —
580F072,073 (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 1321 1.28 1137 1390 1.43 1273 1455 1.59 1415 1518 1.76 1563 1579 1.93 1718
1900 1348 1.40 1243 1415 1.56 1381 1479 1.72 1526 1541 1.89 1677 1601 2.06 1834
2000 1377 1.53 1359 1442 1.69 1500 1505 1.86 1648 1565 2.03 1801 1624 2.21 1961
2100 1406 1.67 1485 1470 1.83 1629 1531 2.00 1780 1591 2.18 1936 1648 2.36 2098
2200 1437 1.83 1621 1499 1.99 1769 1559 2.16 1923 1617 2.34 2082 1673 2.53 2246
2300 1468 1.99 1769 1529 2.16 1920 1587 2.34 2077 1644 2.52 2239 1699 2.71 2406
2400 1500 2.17 1928 1559 2.35 2083 1616 2.53 2243 1672 2.71 2408 1726 2.90 2579
2500 1533 2.36 2098 1591 2.54 2257 1647 2.73 2421 — — — — — —
2600 1566 2.57 2281 1623 2.75 2444 — — — — — — — — —
2700 1600 2.79 2477 — — — — — — �� — — — — —
2800 ——— —— — —— — ——— —— —
2900 ——— —— — —— — ——— —— —
3000 ——— —— — —— — ——— —— —
Bhp — Brake Horsepower Input to Fan
Watts — Input Watts to Motor
580F036-151