Bryant 581C Manual De Usuario

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PERFORMANCE DATA (cont)
FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)
                        LEGEND
See page 74 for general fan performance notes.
 
                        LEGEND
*Motor drive range: 770 to 1175 rpm. All other rpms require a field-supplied drive.
NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 1.20.
3. See page 74 for general fan performance notes.
 
                        LEGEND
*Motor drive range: 1075 to 1455 rpm. All other rpms require a field-supplied
drive.
NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 2.40.
3. See page 74 for general fan performance notes.
580F048 (4 TONS) — STANDARD MOTOR (DIRECT DRIVE)
Airflow
(Cfm)
Low Speed
High Speed
208 V
230, 460, 575 V
208 V
230, 460, 575 V
ESP
Bhp
Watts
ESP
Bhp
Watts
ESP
Bhp
Watts
ESP
Bhp
Watts
1200
0.75
0.41
458
0.81
0.45
506
0.87
0.51
572
0.92
0.56
632
1300
0.68
0.42
471
0.74
0.46
521
0.79
0.52
589
0.85
0.58
651
1400
0.60
0.45
503
0.66
0.49
556
0.71
0.54
616
0.77
0.60
681
1500
0.51
0.47
536
0.58
0.52
593
0.64
0.56
631
0.70
0.62
698
1600
0.42
0.49
557
0.49
0.54
616
0.56
0.58
654
0.63
0.64
723
1700
0.32
0.52
584
0.39
0.57
646
0.48
0.60
678
0.55
0.66
750
1800
0.21
0.54
610
0.29
0.60
674
0.41
0.62
698
0.48
0.68
772
1900
0.09
0.56
629
0.18
0.62
696
0.33
0.64
720
0.41
0.70
796
2000
0.06
0.65
731
0.26
0.66
744
0.33
0.73
823
Bhp
Brake Horsepower Input to Fan
ESP
External Static Pressure (in. wg)
580F048 (4 TONS) — ALTERNATE MOTOR (BELT 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
643
0.23
234
762
0.34
343
859
0.46
458
944
0.58
579
1020
0.71
705
1300
675
0.28
277
790
0.40
394
886
0.52
517
969
0.65
644
1044
0.78
777
1400
707
0.33
326
819
0.45
452
913
0.58
581
996
0.72
716
1070
0.86
855
1500
740
0.38
382
849
0.52
515
941
0.66
653
1023
0.80
795
1096
0.95
941
1600
773
0.45
444
879
0.59
586
970
0.73
731
1050
0.88
880
1123
1.04
1034
1700
807
0.52
513
910
0.67
663
999
0.82
817
1078
0.98
973
1150
1.14
1134
1800
841
0.59
589
942
0.75
749
1029
0.91
910
1106
1.08
1074
1900
875
0.68
674
974
0.85
842
1059
1.02
1012
1135
1.19
1184
2000
910
0.77
767
1006
0.95
944
1090
1.13
1122
580F048 (4 TONS) — ALTERNATE MOTOR (BELT 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
1089
0.84
837
1153
0.98
974
1213
1.12
1115
1300
1113
0.92
915
1177
1.06
1058
1400
1138
1.01
1000
1201
1.15
1149
1500
1163
1.10
1092
1600
1189
1.20
1191
1700
1800
1900
2000
Bhp
Brake Horsepower Input to Fan
Watts
Input Watts to Motor
580F048 (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
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
1200
643
0.23
234
762
0.34
343
859
0.46
458
944
0.58
579
1020
0.71
705
1300
675
0.28
277
790
0.40
394
886
0.52
517
969
0.65
644
1044
0.78
777
1400
707
0.33
326
819
0.45
452
913
0.58
581
996
0.72
716
1070
0.86
855
1500
740
0.38
382
849
0.52
515
941
0.66
653
1023
0.80
795
1096
0.95
941
1600
773
0.45
444
879
0.59
586
970
0.73
731
1050
0.88
880
1123
1.04
1034
1700
807
0.52
513
910
0.67
663
999
0.82
817
1078
0.98
973
1150
1.14
1134
1800
841
0.59
589
942
0.75
749
1029
0.91
910
1106
1.08
1074
1177
1.25
1242
1900
875
0.68
674
974
0.85
842
1059
1.02
1012
1135
1.19
1184
1205
1.37
1360
2000
910
0.77
767
1006
0.95
944
1090
1.13
1122
1165
1.31
1302
1234
1.49
1485
580F048 (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
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
1200
1089
0.84
837
1153
0.98
974
1213
1.12
1115
1270
1.27
1262
1324
1.42
1413
1300
1113
0.92
915
1177
1.06
1058
1237
1.21
1205
1293
1.36
1358
1347
1.52
1514
1400
1138
1.01
1000
1201
1.15
1149
1261
1.31
1303
1317
1.47
1461
1370
1.63
1623
1500
1163
1.10
1092
1226
1.25
1247
1285
1.41
1407
1341
1.58
1571
1394
1.75
1740
1600
1189
1.20
1191
1252
1.36
1353
1310
1.53
1520
1365
1.70
1690
1418
1.87
1865
1700
1216
1.31
1299
1277
1.48
1468
1335
1.65
1640
1390
1.83
1817
1442
2.01
1998
1800
1242
1.42
1414
1303
1.60
1590
1361
1.78
1770
1415
1.96
1953
1467
2.15
2140
1900
1270
1.55
1538
1330
1.73
1721
1387
1.92
1908
1441
2.11
2098
1493
2.30
2292
2000
1297
1.68
1672
1357
1.87
1862
1414
2.07
2055
1467
2.26
2252
Bhp
Brake Horsepower Input to Fan
Watts
Input Watts to Motor
58
0F0
3
6
-15
1