90 performance data (cont) – Bryant DURAPAC 551B User Manual
Page 90

90
PERFORMANCE DATA (cont)
FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)
LEGEND
NOTES:
1.
Boldface indicates a field-supplied drive is required.
2.
indicates field-supplied motor and drive are required.
3.
Maximum continuous bhp is 1.20 for standard motors; 2.40 for high-static motors.
4.
Motor drive range: 840 to 1185 rpm for standard motors; 1075 to 1455 rpm for high-static
motors. All other rpms require field-supplied drive.
5.
See page 93 for general fan performance notes.
LEGEND
NOTES:
1.
Boldface indicates a field-supplied drive is required.
2.
indicates field-supplied motor and drive are required.
3.
Maximum continuous bhp is 1.30 for single-phase standard motors; 2.40 for 3-phase
standard motors; and 2.90 for high-static motors.
4.
Motor drive range: 1020 to 1460 rpm for single-phase standard motors; 1120 to
1585 rpm for 3-phase standard motors, and 1300 to 1685 rpm for high-static motors. All
other rpms require field-supplied drive.
5.
See page 93 for general fan performance notes.
LEGEND
NOTES:
1.
Boldface indicates a field-supplied drive is required. (See Note 4.)
2.
indicates field-supplied motor and drive are required.
3.
Maximum continuous bhp is 1.30 for single-phase standard motors; 2.40 for 3-phase
standard motors; and 2.90 for high-static motors.
4.
Motor drive range: 1020 to 1460 rpm for single-phase standard motors; 1120 to
1585 rpm for 3-phase standard motors; and 1300 to 1685 rpm for high-static motors. All
other rpms require field-supplied drive.
5.
See page 93 for general fan performance notes.
LEGEND
NOTES:
1.
Boldface indicates a field-supplied drive is required.
2.
indicates field-supplied motor and drive are required.
3.
Maximum continuous bhp is 1.30 for single-phase standard motors; 2.40 for 3-phase
standard motors; and 2.90 for high-static motors.
4.
Motor drive range: 1020 to 1460 rpm for single-phase standard motors; 1120 to 1585 for
3-phase standard motors; and 1300 to 1685 rpm for high-static motors. All other rpms
require field-supplied drive.
5.
See page 93 for general fan performance notes.
551B048 (4 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)
Airflow
(Cfm)
External Static Pressure (in. wg)
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
1200
590
0.20
723
0.30
828
0.42
924
0.55
999
0.66
1036
0.68
1073
0.71
1109
0.75
1138
0.79
1162
0.84
1300
615
0.23
744
0.35
849
0.47
940
0.60
1025
0.74
1090
0.84
1121
0.87
1159
0.90
1193
0.95
1218
1.01
1400
642
0.27
766
0.39
870
0.52
959
0.66
1042
0.81
1118
0.95
1175
1.06
1206
1.09
1244
1.12
1270
1.19
1500
670
0.31
788
0.44
892
0.58
980
0.72
1060
0.88
1136
1.04
1205
1.19
1258
1.30
1289
1.34
1316
1.43
1600
699
0.36
811
0.49
913
0.64
1001
0.79
1080
0.95
1153
1.12
1224
1.29
1287
1.45
1337
1.56
1365
1.66
1700
728
0.42
836
0.55
935
0.71
1023
0.86
1101
1.03
1172
1.20
1241
1.38
1307
1.56
1366
1.73
1395
1.84
1800
759
0.48
860
0.62
957
0.78
1044
0.94
1122
1.11
1192
1.29
1258
1.48
1323
1.67
1385
1.86
1414
1.98
1900
790
0.55
886
0.69
980
0.86
1066
1.03
1143
1.21
1214
1.39
1279
1.58
1341
1.78
1402
1.98
1432
2.11
2000
836
0.62
913
0.77
1004
0.94
1088
1.12
1165
1.31
1235
1.49
1300
1.69
1361
1.90
1419
2.10
1449
2.24
Bhp
— Brake Horsepower Input to Fan
551B060 (5 TONS) STANDARD MOTOR (BELT DRIVE) — SINGLE-PHASE UNITS
Airflow
(Cfm)
External Static Pressure (in. wg)
0.1
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
1500
665
0.31
729
0.35
843
0.47
940
0.60
1026
0.74
1108
0.89
1187
1.06
1202
1.18
1079
1.10
1600
703
0.36
763
0.40
872
0.53
965
0.66
1049
0.81
1130
0.97
1206
1.14
1275
1.32
1281
1.44
1700
741
0.40
801
0.47
902
0.60
993
0.75
1077
0.89
1152
1.05
1226
1.23
1298
1.41
1359
1.60
1800
765
0.45
821
0.51
923
0.65
1019
0.81
1099
0.96
1178
1.14
1249
1.32
1316
1.52
1382
1.72
1900
802
0.45
854
0.58
953
0.73
1046
0.90
1126
1.06
1201
1.23
1274
1.43
1338
1.62
1402
1.83
2000
840
0.60
888
0.66
984
0.82
1073
0.99
1154
1.16
1226
1.33
1297
1.53
1363
1.73
1424
1.94
2100
878
0.69
923
0.75
1015
0.91
1101
1.08
1182
1.27
1252
1.45
1320
1.64
1388
1.85
1448
2.07
2200
916
0.78
958
0.85
1046
1.01
1129
1.19
1209
1.39
1280
1.58
1345
1.77
1410
1.97
1473
2.20
2300
954
0.89
993
0.96
1079
1.13
1160
1.31
1237
1.51
1309
1.71
1372
1.91
1434
2.11
1496
2.34
2400
993
1.00
1029
1.07
1112
1.25
1190
1.43
1264
1.63
1336
1.85
1400
2.06
1459
2.26
1519
2.48
2500
1031
1.13
1066
1.20
1145
1.39
1220
1.57
1292
1.77
1363
2.00
1428
2.22
1486
2.43
1543
2.65
Bhp
— Brake Horsepower Input to Fan
551B060 (5 TONS) STANDARD MOTOR (BELT DRIVE) — THREE-PHASE UNITS
Airflow
(Cfm)
External Static Pressure (in. wg)
0.1
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
1500
665
0.31
729
0.35
843
0.47
940
0.60
1026
0.74
1108
0.89
1187
1.06
1202
1.18
1079
1.10
1600
703
0.36
763
0.40
872
0.53
965
0.66
1049
0.81
1130
0.97
1206
1.14
1275
1.32
1281
1.44
1700
741
0.40
801
0.47
902
0.60
993
0.75
1077
0.89
1152
1.05
1226
1.23
1298
1.41
1359
1.60
1800
765
0.45
821
0.51
923
0.65
1019
0.81
1099
0.96
1178
1.14
1249
1.32
1316
1.52
1382
1.72
1900
802
0.45
854
0.58
953
0.73
1046
0.90
1126
1.06
1201
1.23
1274
1.43
1338
1.62
1402
1.83
2000
840
0.60
888
0.66
984
0.82
1073
0.99
1154
1.16
1226
1.33
1297
1.53
1363
1.73
1424
1.94
2100
878
0.69
923
0.75
1015
0.91
1101
1.08
1182
1.27
1252
1.45
1320
1.64
1388
1.85
1448
2.07
2200
916
0.78
958
0.85
1046
1.01
1129
1.19
1209
1.39
1280
1.58
1345
1.77
1410
1.97
1473
2.20
2300
954
0.89
993
0.96
1079
1.13
1160
1.31
1237
1.51
1309
1.71
1372
1.91
1434
2.11
1496
2.34
2400
993
1.00
1029
1.07
1112
1.25
1190
1.43
1264
1.63
1336
1.85
1400
2.06
1459
2.26
1519
2.48
2500
1031
1.13
1066
1.20
1145
1.39
1220
1.57
1292
1.77
1363
2.00
1428
2.22
1486
2.43
1543
2.65
Bhp
—
Brake Horsepower Input to Fan
551B060 (5 TONS) HIGH-STATIC MOTOR (BELT DRIVE)
Airflow
(Cfm)
External Static Pressure (in. wg)
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
1500
722
0.33
840
0.46
937
0.59
1027
0.74
1108
0.90
1186
1.08
1263
1.30
1343
1.58
1431
1.79
1480
1.98
1600
754
0.38
867
0.52
963
0.65
1052
0.81
1130
0.97
1205
1.15
1278
1.35
1350
1.61
1424
1.80
1473
1.99
1700
787
0.44
895
0.58
991
0.73
1075
0.88
1154
1.06
1228
1.23
1296
1.42
1364
1.64
1432
1.89
1481
2.09
1800
821
0.51
923
0.65
1019
0.81
1099
0.96
1178
1.14
1249
1.32
1316
1.52
1382
1.72
1447
1.95
1497
2.16
1900
854
0.58
953
0.73
1046
0.90
1126
1.06
1201
1.23
1274
1.43
1338
1.62
1402
1.80
1464
2.05
1514
2.27
2000
900
0.66
984
0.82
1073
0.99
1154
1.16
1226
1.33
1297
1.53
1363
1.73
1424
1.94
1484
2.16
1535
2.39
2100
923
0.75
1015
0.91
1101
1.08
1182
1.27
1252
1.45
1320
1.64
1388
1.80
1448
2.07
1505
2.29
1557
2.53
2200
958
0.85
1046
1.01
1129
1.19
1209
1.39
1280
1.58
1345
1.77
1410
1.97
1473
2.20
1529
2.43
1581
2.69
2300
993
0.96
1079
1.13
1160
1.31
1237
1.51
1309
1.71
1372
1.91
1434
2.11
1496
2.34
1554
2.58
1607
2.85
2400
1029
1.07
1112
1.25
1190
1.43
1264
1.63
1339
1.80
1400
2.06
1459
2.26
1519
2.48
1578
2.76
1632
3.05
2500
1066
1.20
1145
1.39
1220
1.57
1292
1.77
1363
2.00
1428
2.22
1486
2.43
1543
2.65
1600
2.89
1655
3.20
Bhp — Brake Horsepower Input to Fan
0
T
F
Q
0
04
-0
12
55
1B0
3
6-
15
0