Bryant 551C User Manual
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Table 21—Fan Performance 551B 060, 551C 060 — Vertical Discharge Units; High-Static Motor
(Belt Drive)*
AIRFLOW
EXTERNAL STATIC PRESSURE (in. wg)
AIRFLOW
CFM
0.2
0.4
0.6
0.8
1.0
CFM
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
1500
790
0.40
353
897
0.53
471
991
0.68
600
1075
0.83
739
1152
1.00
888
1600
828
0.46
412
931
0.60
536
1022
0.75
670
1104
0.92
813
1180
1.09
966
1700
866
0.54
478
966
0.68
608
1054
0.84
747
1134
1.01
895
1208
1.19
1053
1800
905
0.62
551
1001
0.77
687
1087
0.94
832
1165
1.11
985
1238
1.29
1148
1900
944
0.71
633
1037
0.87
774
1120
1.04
925
1197
1.22
1084
1268
1.41
1251
2000
983
0.81
723
1073
0.98
870
1154
1.16
1026
1229
1.34
1190
1299
1.53
1362
2100
1023
0.92
821
1110
1.10
975
1189
1.28
1137
1262
1.47
1306
1330
1.67
1483
2200
1063
1.05
929
1147
1.23
1089
1224
1.41
1256
1295
1.61
1431
1362
1.82
1614
2300
1104
1.18
1046
1185
1.37
1212
1260
1.56
1386
1329
1.76
1567
1395
1.98
1754
2400
1145
1.32
1174
1223
1.52
1346
1296
1.72
1526
1364
1.93
1712
1428
2.15
1905
2500
1185
1.48
1311
1262
1.68
1490
1333
1.89
1676
1399
2.10
1868
1462
2.33
2067
AIRFLOW
EXTERNAL STATIC PRESSURE (in. wg)
AIRFLOW
CFM
1.2
1.4
1.6
1.8
2.0
CFM
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
1500
1224
1.18
1045
1291
1.36
1212
1354
1.56
1387
1414
1.77
1570
1472
1.98
1761
1600
1250
1.27
1128
1316
1.46
1299
1379
1.66
1478
1438
1.87
1664
1495
2.09
1858
1700
1278
1.37
1219
1343
1.57
1394
1405
1.77
1576
1463
1.99
1766
1520
2.21
1964
1800
1306
1.48
1318
1370
1.69
1497
1431
1.90
1683
1489
2.11
1877
1545
2.34
2078
1900
1335
1.61
1426
1398
1.81
1609
1458
2.03
1799
1515
2.25
1997
1570
2.48
2202
2000
1364
1.74
1542
1427
1.95
1730
1486
2.17
1925
1542
2.39
2126
1596
2.63
2335
2100
1395
1.88
1668
1456
2.09
1860
1514
2.32
2060
1570
2.55
2265
1623
2.79
2478
2200
1426
2.03
1804
1486
2.25
2001
1543
2.48
2204
1598
2.72
2415
—
—
—
2300
1457
2.19
1949
1516
2.42
2151
1573
2.66
2360
1627
2.90
2574
—
—
—
2400
1489
2.37
2106
1547
2.60
2312
1603
2.84
2526
—
—
—
—
—
—
2500
1522
2.56
2272
1579
2.80
2484
—
—
—
—
—
—
—
—
—
NOTES:
1.
Bold cells indicate field-supplied drive is required.
2. Maximum continuous bhp is 2.90.
3. See general fan performance notes.
LEGEND
Bhp — Brake Horsepower
Watts — Input Watts to Motor
*Motor drive range: 1300 to 1685 rpm. All other rpms require field-supplied
drive.
551B
,C