Bryant 551C User Manual
Page 36
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Table 17—Fan Performance 551B 048, 551C 048 — Vertical Discharge Units; Standard 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
1200
666
0.25
252
778
0.36
361
873
0.48
476
956
0.60
594
1031
0.72
718
1300
701
0.30
300
809
0.42
418
902
0.54
540
983
0.67
665
1057
0.80
796
1400
737
0.36
355
842
0.48
481
932
0.61
610
1012
0.75
744
1085
0.89
881
1500
774
0.42
417
875
0.55
551
962
0.69
689
1041
0.83
830
1112
0.98
974
1600
811
0.49
487
909
0.63
629
994
0.78
774
1071
0.93
923
1141
1.08
1076
1700
849
0.57
565
943
0.72
715
1026
0.87
869
1101
1.03
1025
1170
1.19
1185
1800
887
0.65
651
978
0.81
810
1059
0.98
972
1133
1.14
1136
—
—
—
1900
926
0.75
746
1014
0.92
914
1092
1.09
1084
—
—
—
—
—
—
2000
965
0.86
852
1050
1.03
1028
—
—
—
—
—
—
—
—
—
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
1200
1100
0.85
845
1165
0.98
977
1225
1.12
1112
—
—
—
—
—
—
1300
1126
0.94
930
1189
1.07
1069
—
—
—
—
—
—
—
—
—
1400
1152
1.03
1023
1215
1.17
1168
—
—
—
—
—
—
—
—
—
1500
1179
1.13
1123
—
—
—
—
—
—
—
—
—
—
—
—
1600
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
1700
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
1800
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
1900
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
2000
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
NOTES:
1.
Bold cells indicate field-supplied drive is required.
2. Maximum continuous bhp is 1.20.
3. See general fan performance notes.
LEGEND
Bhp — Brake Horsepower
Watts — Input Watts to Motor
*Motor drive range: 770 to 1185 rpm. All other rpms require field-supplied
drive.
Table 18—Fan Performance 551B 048, 551C 048 — 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
1200
666
0.25
252
778
0.36
361
873
0.48
476
956
0.60
594
1031
0.72
718
1300
701
0.30
300
809
0.42
418
902
0.54
540
983
0.67
665
1057
0.80
796
1400
737
0.36
355
842
0.48
481
932
0.61
610
1012
0.75
744
1085
0.89
881
1500
774
0.42
417
875
0.55
551
962
0.69
689
1041
0.83
830
1112
0.98
974
1600
811
0.49
487
909
0.63
629
994
0.78
774
1071
0.93
923
1141
1.08
1076
1700
849
0.57
565
943
0.72
715
1026
0.87
869
1101
1.03
1025
1170
1.19
1185
1800
887
0.65
651
978
0.81
810
1059
0.98
972
1133
1.14
1136
1200
1.31
1304
1900
926
0.75
746
1014
0.92
914
1092
1.09
1084
1164
1.26
1257
1231
1.44
1432
2000
965
0.86
852
1050
1.03
1028
1127
1.21
1206
1197
1.39
1387
1262
1.58
1570
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
1200
1100
0.85
845
1165
0.98
977
1225
1.12
1112
1282
1.26
1252
1337
1.40
1395
1300
1126
0.94
930
1189
1.07
1069
1249
1.22
1211
1306
1.36
1356
1360
1.51
1506
1400
1152
1.03
1023
1215
1.17
1168
1274
1.32
1317
1330
1.48
1469
1384
1.63
1625
1500
1179
1.13
1123
1241
1.28
1275
1300
1.44
1431
1355
1.60
1590
1408
1.76
1752
1600
1206
1.24
1231
1268
1.40
1391
1326
1.56
1553
1381
1.73
1719
1433
1.90
1888
1700
1235
1.36
1349
1295
1.52
1515
1352
1.69
1685
1407
1.87
1858
1459
2.04
2034
1800
1264
1.48
1475
1323
1.66
1649
1380
1.84
1826
1434
2.02
2006
1485
2.20
2189
1900
1293
1.62
1611
1352
1.80
1792
1408
1.99
1976
1461
2.17
2163
1512
2.37
2353
2000
1324
1.77
1756
1381
1.96
1945
1436
2.15
2137
1489
2.34
2332
—
—
—
NOTES:
1.
Bold cells indicate field-supplied drive is required.
2. Maximum continuous bhp is 2.40.
3. See general fan performance notes.
LEGEND
Bhp — Brake Horsepower
Watts — Input Watts to Motor
*Motor drive range: 1075 to 1455 rpm. All other rpms require field-supplied
drive.
551B
,C