Bryant 581B036--072 Installation Instructions Manual page 40

Table 34—Fan Performance 581B 072 — Horizontal Discharge Units; High-Static Motor (Belt Drive)*
AIRFLOW AIRFLOW
0.2
CFM CFM
Rpm Bhp
1800
913 0.64
1900
952 0.73
2000
992 0.84
2100
1032 0.95
2200
1073 1.07
2300
1114 1.21
2400
1155 1.36
2500
1196 1.51
2600
1238 1.69
2700
1280 1.87
2800
1322 2.07
2900
1364 2.28
3000
1406 2.50
AIRFLOW AIRFLOW
1.2
CFM CFM
Rpm Bhp
1800
1322 1.56
1900
1351 1.68
2000
1380 1.82
2100
1411 1.97
2200
1441 2.13
2300
1473 2.30
2400
1505 2.48
2500
1537 2.68
2600
1571 2.88
2700
— —
2800
— —
2900
— —
3000
— —
NOTES:
1. Grey cells indicate field-supplied drive is required.
2. Maximum continuous bhp is 2.90.
3. See general fan performance notes.
EXTERNAL STATIC PRESSURE (in. wg)
0.4
Watts Rpm Bhp Watts
569 1010 0.80 715
652 1046 0.91 805
744 1083 1.02 903
844 1120 1.14 1010
954 1158 1.27 1127
1074 1196 1.41 1254
1204 1234 1.57 1391
1345 1273 1.73 1538
1497 1312 1.91 1697
1660 1352 2.10 1867
1835 1392 2.31 2050
2023 1432 2.53 2245
2224 1472 2.76 2452
EXTERNAL STATIC PRESSURE (in. wg)
1.4
Watts Rpm Bhp Watts
1382 1388 1.77 1568
1495 1416 1.90 1686
1617 1444 2.04 1814
1748 1473 2.20 1950
1890 1503 2.36 2097
2041 1533 2.54 2254
2203 1564 2.73 2422
2376 — — —
2560 — — —
— — — —
— — — —
— — — —
— — — —
0.6
Rpm Bhp Watts Rpm
1098 0.98 869 1178
1131 1.09 965 1210
1166 1.21 1070 1242
1200 1.33 1184 1275
1236 1.47 1307 1308
1272 1.62 1440 1343
1308 1.78 1584 1377
1345 1.96 1738 1412
1382 2.14 1904 1448
1420 2.34 2081 1484
1458 2.56 2270 1521
1496 2.78 2472 —
— — — —
1.6
Rpm Bhp Watts Rpm
1451 1.98 1762 1510
1477 2.12 1885 1536
1505 2.27 2017 1563
1533 2.43 2159 1590
1562 2.60 2311 1618
1591 2.79 2474 —
— — — —
— — — —
— — — —
— — — —
— — — —
— — — —
— — — —
LEGEND
Bhp — Brake Horsepower
Watts — Input Watts to Motor
*Motor drive range: 1300 to 1685 rpm. All other rpms require field-supplied drive.
40
0.8 1.0
Bhp Watts Rpm Bhp
1.16 1032 1252 1.35
1.28 1134 1282 1.48
1.40 1245 1313 1.61
1.54 1365 1345 1.75
1.68 1495 1377 1.90
1.84 1634 1409 2.07
2.01 1784 1443 2.24
2.19 1945 1477 2.43
2.38 2117 1511 2.63
2.59 2300 1546 2.84
2.81 2496 — —
— — — —
— — — —
1.8 2.0
Bhp Watts Rpm Bhp
2.21 1962 1568 2.44
2.35 2090 1593 2.59
2.51 2227 1619 2.75
2.67 2374 — —
2.85 2532 — —
— — — —
— — — —
— — — —
— — — —
— — — —
— — — —
— — — —
— — — —
Watts
1203
1311
1427
1553
1689
1834
1990
2157
2335
2526
—
—
—
Watts
2169
2302
2443
—
—
—
—
—
—
—
—
—
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