86 performance data (cont), Fan performance — vertical discharge units (cont) – Bryant DURAPAC 551B User Manual
Page 86

86
PERFORMANCE DATA (cont)
FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)
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 1.20 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. (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 for
3-phase standard motors; and 1300 to 1685 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
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
1200
618
0.21
739
0.32
842
0.44
928
0.56
1008
0.67
1300
644
0.25
764
0.37
867
0.50
952
0.62
1029
0.75
1400
673
0.30
791
0.42
889
0.55
976
0.69
1052
0.83
1500
704
0.35
818
0.48
912
0.61
1001
0.76
1076
0.91
1600
736
0.40
845
0.54
920
0.68
1023
0.83
1100
1.00
1700
768
0.46
873
0.81
965
0.76
1045
0.91
1124
1.09
1800
801
0.52
900
0.69
892
0.84
1071
1.00
1147
1.18
1900
836
0.60
928
0.77
1019
0.93
1097
1.10
1169
1.27
2000
870
0.68
968
0.86
1046
1.03
1124
1.21
1194
1.38
551B048 (4 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
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
1200
1096
0.78
1134
0.89
1203
1.00
1232
1.07
1258
1.14
1300
1101
0.86
1174
1.01
1229
1.15
1277
1.27
1304
1.35
1400
1121
0.96
1183
1.09
1255
1.22
1305
1.38
1333
1.47
1500
1145
1.06
1208
1.20
1274
1.33
1337
1.47
1365
1.57
1600
1168
1.15
1232
1.31
1291
1.46
1350
1.60
1379
1.70
1700
1192
1.25
1255
1.42
1314
1.58
1370
1.77
1399
1.89
1800
1217
1.36
1279
1.54
1381
1.71
1383
1.89
1423
2.01
1900
1240
1.47
1303
1.66
1408
1.85
1417
2.03
1447
2.16
2000
1262
1.58
1327
1.78
1436
1.98
1440
2.18
1471
2.32
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
711
0.33
769
0.39
878
0.51
971
0.64
1052
0.78
1134
0.95
1213
1.11
1276
1.38
1331
1.49
1600
751
0.39
806
0.45
906
0.53
1024
0.73
1087
0.88
1159
1.02
1231
1.20
1311
1.39
1395
1.59
1700
791
0.46
846
0.53
941
0.66
1030
0.80
1112
0.96
1184
1.12
1258
1.30
1322
1.49
1403
1.69
1800
852
0.55
905
0.62
1002
0.78
1084
0.93
1163
1.10
1235
1.29
1303
1.48
1371
1.69
1433
1.90
1900
894
0.64
945
0.72
1037
0.88
1119
1.04
1194
1.21
1266
1.40
1330
1.59
1396
1.81
1460
2.03
2000
936
0.74
984
0.82
1072
0.98
1154
1.16
1226
1.33
1297
1.53
1362
1.73
1422
1.94
1485
2.16
2100
978
0.85
1024
0.93
1108
1.10
1190
1.29
1259
1.47
1327
1.66
1393
1.87
1452
2.08
1510
2.31
2200
1021
0.97
1064
1.05
1145
1.22
1225
1.43
1294
1.62
1359
1.81
1423
2.02
1483
2.24
1538
2.46
2300
1064
1.10
1104
1.18
1183
1.36
1260
1.57
1330
1.78
1392
1.97
1454
2.18
1515
2.41
1569
2.64
2400
1107
1.24
1145
1.32
1222
1.52
1296
1.73
1365
1.94
1426
2.15
1485
2.36
1544
2.59
1601
2.84
2500
1150
1.39
1186
1.48
1262
1.68
1331
1.89
1400
2.12
1461
2.34
1518
2.55
1575
2.78
—
—
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
711
0.33
769
0.39
878
0.51
971
0.64
1052
0.78
1134
0.95
1213
1.11
1276
1.38
1331
1.49
1600
751
0.39
806
0.45
906
0.53
1024
0.73
1087
0.88
1159
1.02
1231
1.20
1311
1.39
1395
1.59
1700
791
0.46
846
0.53
941
0.66
1030
0.80
1112
0.96
1184
1.12
1258
1.30
1322
1.49
1403
1.69
1800
852
0.55
905
0.62
1002
0.78
1084
0.93
1163
1.10
1235
1.29
1303
1.48
1371
1.69
1433
1.90
1900
894
0.64
945
0.72
1037
0.88
1119
1.04
1194
1.21
1266
1.40
1330
1.59
1396
1.81
1460
2.03
2000
936
0.74
984
0.82
1072
0.98
1154
1.16
1226
1.33
1297
1.53
1362
1.73
1422
1.94
1485
2.16
2100
978
0.85
1024
0.93
1108
1.10
1190
1.29
1259
1.47
1327
1.66
1393
1.87
1452
2.08
1510
2.31
2200
1021
0.97
1064
1.05
1145
1.22
1225
1.43
1294
1.62
1359
1.81
1423
2.02
1483
2.24
1538
2.46
2300
1064
1.10
1104
1.18
1183
1.36
1260
1.57
1330
1.78
1392
1.97
1454
2.18
1515
2.41
1569
2.64
2400
1107
1.24
1145
1.32
1222
1.52
1296
1.73
1365
1.94
1426
2.15
1485
2.36
1544
2.59
1601
2.84
2500
1150
1.39
1186
1.48
1262
1.68
1331
1.89
1400
2.12
1461
2.34
1518
2.55
1575
2.78
—
—
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
789
0.40
896
0.53
990
0.67
1072
0.83
1153
1.00
1221
1.17
1256
1.30
1280
1.32
1320
1.22
1360
1.33
1600
826
0.46
931
0.61
1020
0.75
1101
0.91
1178
1.09
1252
1.27
1311
1.45
1340
1.58
1380
1.61
1421
1.76
1700
865
0.54
966
0.69
1051
0.84
1133
1.01
1206
1.18
1278
1.37
1345
1.57
1397
1.76
1424
1.89
1467
2.06
1800
905
0.62
1002
0.78
1084
0.93
1163
1.10
1235
1.29
1303
1.48
1371
1.69
1433
1.90
1480
2.09
1524
2.28
1900
946
0.72
1037
0.88
1119
1.04
1194
1.21
1266
1.40
1330
1.59
1396
1.80
1460
2.03
1517
2.25
1562
2.46
2000
984
0.82
1072
0.98
1154
1.16
1226
1.33
1297
1.53
1362
1.73
1422
1.94
1485
2.16
1544
2.40
1590
2.62
2100
1024
0.93
1108
1.10
1192
1.29
1259
1.47
1327
1.66
1393
1.80
1452
2.08
1510
2.31
1569
2.55
1616
2.79
2200
1064
1.05
1145
1.22
1225
1.43
1294
1.62
1359
1.80
1423
2.02
1483
2.24
1538
2.46
1595
2.71
1643
2.96
2300
1104
1.18
1183
1.36
1260
1.57
1330
1.78
1392
1.97
1454
2.18
1515
2.41
1569
2.64
1622
2.88
1671
3.15
2400
1145
1.32
1222
1.45
1296
1.73
1365
1.94
1426
2.15
1485
2.36
1544
2.59
1601
2.84
1652
3.07
1701
3.35
2500
1186
1.48
1262
1.68
1331
1.80
1400
2.12
1461
2.34
1518
2.55
1575
2.78
1631
3.03
1684
3.28
1734
3.60
Bhp — Brake Horsepower Input to Fan
0
T
F
Q
0
04
-0
12
55
1B0
3
6-
15
0