Bryant 549B User Manual
Page 29

29
PERFORMANCE DATA — 548F (cont)
FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)
LEGEND
*Motor drive range: 770 to 1175 rpm. All other rpms require a field-
supplied drive.
See General Fan Performance notes on page 27.
NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 1.00.
LEGEND
*Motor drive range: 1075 to 1455 rpm. All other rpms require a field-
supplied drive.
See General Fan Performance notes on page 27.
NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 2.40.
548F048 (4 TONS) — ALTERNATE MOTOR AND 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
1200
767
0.29
291
880
0.38
382
976
0.48
474
1060
0.57
570
1136
0.67
668
1300
811
0.35
352
920
0.45
451
1013
0.55
550
1095
0.66
652
1170
0.76
756
1400
855
0.43
423
960
0.53
529
1051
0.64
636
1132
0.75
744
1205
0.86
855
1500
900
0.51
504
1002
0.62
617
1090
0.74
731
1169
0.85
846
1242
0.97
963
1600
945
0.60
594
1044
0.72
716
1130
0.84
837
1207
0.96
959
—
—
—
1700
991
0.70
696
1086
0.83
825
1170
0.96
954
—
—
—
—
—
—
1800
1038
0.81
810
1130
0.95
947
—
—
—
—
—
—
—
—
—
1900
1085
0.94
936
—
—
—
—
—
—
—
—
—
—
—
—
2000
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
548F048 (4 TONS) — ALTERNATE MOTOR AND 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
1200
1205
0.77
768
1270
0.88
872
1332
0.98
979
—
—
—
—
—
—
1300
1239
0.87
863
1303
0.98
972
—
—
—
—
—
—
—
—
—
1400
1273
0.97
967
—
—
—
—
—
—
—
—
—
—
—
—
1500
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
1600
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
1700
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
1800
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
1900
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
2000
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Bhp
— Brake Horsepower Input to Fan
Watts — Input Watts to Motor
548F048 (4 TONS) — HIGH-STATIC MOTOR AND 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
1200
767
0.29
291
880
0.38
382
976
0.48
474
1060
0.57
570
1136
0.67
668
1300
811
0.35
352
920
0.45
451
1013
0.55
550
1095
0.66
652
1170
0.76
756
1400
855
0.43
423
960
0.53
529
1051
0.64
636
1132
0.75
744
1205
0.86
855
1500
900
0.51
504
1002
0.62
617
1090
0.74
731
1169
0.85
846
1242
0.97
963
1600
945
0.60
594
1044
0.72
716
1130
0.84
837
1207
0.96
959
1278
1.09
1083
1700
991
0.70
696
1086
0.83
825
1170
0.96
954
1246
1.09
1083
1316
1.22
1214
1800
1038
0.81
810
1130
0.95
947
1211
1.09
1083
1286
1.23
1219
1354
1.36
1357
1900
1085
0.94
936
1174
1.09
1081
1253
1.23
1224
1326
1.38
1368
1393
1.52
1513
2000
1132
1.08
1075
1218
1.23
1228
1296
1.39
1379
1367
1.54
1531
1432
1.69
1682
548F048 (4 TONS) — HIGH-STATIC MOTOR AND 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
1200
1205
0.77
768
1270
0.88
872
1332
0.98
979
1389
1.09
1088
1444
1.21
1200
1300
1239
0.87
863
1303
0.98
972
1364
1.09
1084
1421
1.21
1199
1475
1.32
1316
1400
1273
0.97
967
1337
1.09
1082
1397
1.21
1200
1453
1.33
1320
1507
1.45
1443
1500
1309
1.09
1082
1371
1.21
1204
1430
1.33
1327
1486
1.46
1453
1540
1.59
1581
1600
1344
1.21
1208
1406
1.34
1336
1465
1.47
1465
1520
1.61
1597
1573
1.74
1731
1700
1381
1.35
1346
1442
1.49
1480
1500
1.62
1616
1555
1.76
1753
1607
1.90
1893
1800
1418
1.50
1496
1478
1.64
1636
1535
1.79
1778
1589
1.93
1922
1641
2.08
2068
1900
1456
1.67
1658
1515
1.82
1806
1571
1.96
1954
1625
2.12
2104
1676
2.27
2256
2000
1494
1.84
1835
1553
2.00
1989
1608
2.16
2144
1661
2.31
2301
—
—
—
Bhp
— Brake Horsepower Input to Fan
Watts — Input Watts to Motor
548F