Bryant 581B036--072 Installation Instructions Manual page 34

Table 24—Fan Performance 581C 072 — Vertical Discharge Units; High-Static Motor (Belt Drive)*
AIRFLOW AIRFLOW
0.2
CFM CFM
Rpm Bhp Watts
1800
967 0.63
1900
1008 0.72
2000
1049 0.82
2100
1091 0.93
2200
1133 1.05
2300
1176 1.18
2400
1218 1.32
2500
1261 1.47
2600
1305 1.63
2700
1348 1.80
2800
1392 1.99
2900
1435 2.19
3000
1479 2.40
AIRFLOW AIRFLOW
1.2
CFM CFM
Rpm Bhp
1800
1406 1.43
1900
1438 1.58
2000
1470 1.73
2100
1502 1.89
2200
1535 2.06
2300
1569 2.25
2400
1603 2.44
2500
1638 2.64
2600
1673 2.86
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.
Table 25—Fan Performance 581B 024 — Horizontal Discharge Units; Standard Motor (Belt Drive)**
AIRFLOW AIRFLOW
(Cfm) (Cfm)
Rpm
600
490
700
519
800
537
900
560
1000
589
EXTERNAL STATIC PRESSURE (in. wg)
0.4
Rpm Bhp Watts
563 1075 0.80 715
643 1112 0.91 805
731 1151 1.02 903
827 1189 1.14 1008
933 1229 1.26 1123
1047 1268 1.40 1247
1170 1308 1.55 1380
1304 1349 1.72 1523
1448 1390 1.89 1677
1602 1431 2.07 1841
1768 1472 2.27 2016
1945 1514 2.48 2203
2135 1556 2.70 2402
EXTERNAL STATIC PRESSURE (in. wg)
1.4
Watts Rpm Bhp Watts
1273 1475 1.58 1403
1401 1505 1.73 1541
1537 1537 1.90 1686
1681 1568 2.07 1840
1834 1600 2.25 2002
1996 1633 2.45 2174
2167 1666 2.65 2355
2349 1700 2.87 2546
2541 — — —
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EXTERNAL STATIC PRESSURE (in. wg)
0.1 0.2
Bhp Rpm Bhp Rpm
0.08 521 0.08 597
0.09 557 0.09 623
0.10 582 0.12 650
0.13 610 0.14 681
0.15 640 0.16 707
0.6
Rpm Bhp Watts Rpm
1170 0.97 861 1255
1205 1.08 960 1289
1241 1.20 1068 1323
1278 1.33 1183 1358
1315 1.47 1308 1393
1352 1.62 1441 1429
1390 1.78 1584 1466
1429 1.96 1736 1503
1468 2.14 1900 1540
1507 2.33 2073 1578
1547 2.54 2258 1616
1587 2.76 2455 —
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1.6
Rpm Bhp Watts Rpm
1540 1.72 1531 1601
1569 1.89 1678 1630
1600 2.06 1833 1660
1631 2.25 1996 1690
1662 2.44 2167 1721
1694 2.64 2348 1752
1727 2.86 2539 —
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LEGEND
Bhp — Brake Horsepower
Watts — Input Watts to Motor
*Motor drive range: 1300 to 1685 rpm. All other rpms require field-supplied drive.
0.4 0.6
Bhp Rpm Bhp Rpm
0.14 703 0.21 788
0.16 729 0.24 816
0.19 751 0.27 845
0.22 783 0.32 870
0.26 808 0.36 894
34
0.8
Bhp Watts Rpm
1.13 1002 1333
1.25 1111 1366
1.38 1228 1399
1.52 1353 1433
1.67 1487 1467
1.84 1630 1501
2.01 1782 1537
2.19 1945 1572
2.38 2117 1608
2.59 2301 1645
2.81 2495 —
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1.8
Bhp Watts Rpm
1.87 1657 1660
2.04 1813 1689
2.23 1977 1718
2.42 2149 1747
2.62 2330 1778
2.84 2520 —
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0.8 1.0
Bhp
Rpm Bhp
868 0.37
0.29
892 0.41
0.32
927 0.47
0.37
947 0.53
0.42
971 0.58
0.47
1.0
Bhp Watts
1.28 1139
1.42 1258
1.56 1384
1.71 1519
1.87 1662
2.04 1815
2.23 1977
2.42 2149
2.62 2331
2.84 2524
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2.0
Bhp Watts
2.00 1780
2.19 1945
2.38 2118
2.59 2300
2.80 2490
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