106 performance data (cont), Fan performance — vertical discharge units (cont) – Bryant 581A/B User Manual
Page 106
106
PERFORMANCE DATA (cont)
FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)
LEGEND
*Motor drive range: 1300 to 1685 rpm. All other rpms require field-supplied drive.
Refer to page 103 for general Fan Performance Data notes.
NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 2.90.
LEGEND
*Motor drive range: 1119 to 1585 rpm. All other rpms require field-supplied drive.
Refer to page 103 for general Fan Performance Data notes.
NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 2.40.
581B060 (5 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
1500
848
0.42
371
968
0.55
486
1069
0.68
600
1158
0.80
715
1238
0.94
831
1600
887
0.49
433
1004
0.63
556
1103
0.76
678
1190
0.90
800
1269
1.04
922
1700
927
0.57
502
1040
0.71
633
1137
0.86
763
1223
1.00
892
1302
1.15
1022
1800
967
0.65
579
1077
0.81
718
1172
0.96
856
1257
1.12
993
1334
1.27
1130
1900
1007
0.75
663
1115
0.91
811
1208
1.08
957
1291
1.24
1101
1368
1.40
1246
2000
1048
0.85
757
1153
1.03
913
1244
1.20
1066
1326
1.37
1219
1401
1.54
1371
2100
1090
0.97
859
1191
1.15
1023
1281
1.33
1185
1361
1.51
1345
1435
1.69
1505
2200
1131
1.09
970
1230
1.29
1143
1318
1.48
1313
1397
1.67
1481
1470
1.86
1649
2300
1173
1.23
1091
1269
1.43
1273
1355
1.63
1451
1433
1.83
1627
1505
2.03
1803
2400
1215
1.38
1223
1309
1.59
1413
1393
1.80
1600
1470
2.01
1784
1540
2.21
1967
2500
1258
1.54
1365
1349
1.76
1564
1431
1.98
1759
1506
2.20
1951
1576
2.41
2142
581B060 (5 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
1500
1312
1.07
948
1380
1.20
1067
1445
1.34
1189
1506
1.48
1312
1564
1.62
1437
1600
1342
1.18
1047
1411
1.32
1173
1474
1.46
1300
1535
1.61
1429
1593
1.76
1560
1700
1374
1.30
1153
1441
1.45
1286
1505
1.60
1420
1565
1.75
1555
1622
1.91
1692
1800
1406
1.43
1268
1473
1.58
1407
1535
1.74
1548
1595
1.90
1690
1652
2.06
1833
1900
1438
1.57
1391
1504
1.73
1537
1567
1.90
1685
1626
2.06
1833
1682
2.23
1983
2000
1471
1.72
1523
1536
1.89
1677
1598
2.06
1831
1657
2.24
1986
1713
2.41
2142
2100
1504
1.87
1665
1569
2.06
1825
1630
2.24
1986
1688
2.42
2149
1744
2.60
2312
2200
1538
2.04
1816
1602
2.23
1984
1663
2.42
2152
1720
2.61
2321
1775
2.81
2491
2300
1572
2.23
1978
1635
2.42
2153
1695
2.62
2328
1753
2.82
2504
—
—
—
2400
1607
2.42
2150
1669
2.63
2332
1729
2.83
2515
—
—
—
—
—
—
2500
1642
2.63
2333
1704
2.84
2523
—
—
—
—
—
—
—
—
—
Bhp
— Brake Horsepower
Watts — Input Watts to Motor
581B072 (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
967
0.63
563
1075
0.80
715
1170
0.97
861
1255
1.13
1002
1333
1.28
1139
1900
1008
0.72
643
1112
0.91
805
1205
1.08
960
1289
1.25
1111
1366
1.42
1258
2000
1049
0.82
731
1151
1.02
903
1241
1.20
1068
1323
1.38
1228
1399
1.56
1384
2100
1091
0.93
827
1189
1.14
1008
1278
1.33
1183
1358
1.52
1353
1433
1.71
1519
2200
1133
1.05
933
1229
1.26
1123
1315
1.47
1308
1393
1.67
1487
1467
1.87
1662
2300
1176
1.18
1047
1268
1.40
1247
1352
1.62
1441
1429
1.84
1630
1501
2.04
1815
2400
1218
1.32
1170
1308
1.55
1380
1390
1.78
1584
1466
2.01
1782
1537
2.23
1977
2500
1261
1.47
1304
1349
1.72
1523
1429
1.96
1736
1503
2.19
1945
—
—
—
2600
1305
1.63
1448
1390
1.89
1677
1468
2.14
1900
1540
2.38
2117
—
—
—
2700
1348
1.80
1602
1431
2.07
1841
1507
2.33
2073
—
—
—
—
—
—
2800
1392
1.99
1768
1472
2.27
2016
—
—
—
—
—
—
—
—
—
2900
1435
2.19
1945
—
—
—
—
—
—
—
—
—
—
—
—
3000
1479
2.40
2135
—
—
—
—
—
—
—
—
—
—
—
—
581B072 (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
1406
1.43
1273
1475
1.58
1403
1540
1.72
1531
1601
1.87
1657
1660
2.00
1780
1900
1438
1.58
1401
1505
1.73
1541
1569
1.89
1678
1630
2.04
1813
1689
2.19
1945
2000
1470
1.73
1537
1537
1.90
1686
1600
2.06
1833
1660
2.23
1977
1718
2.38
2118
2100
1502
1.89
1681
1568
2.07
1840
1631
2.25
1996
—
—
—
—
—
—
2200
1535
2.06
1834
1600
2.25
2002
—
—
—
—
—
—
—
—
—
2300
1569
2.25
1996
—
—
—
—
—
—
—
—
—
—
—
—
2400
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
2500
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
2600
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
2700
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
2800
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
2900
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
3000
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Bhp
— Brake Horsepower
Watts — Input Watts to Motor
581
B0
36
-15
0