Bryant 581C Manual De Usuario
157
PERFORMANCE DATA — 581C
FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS
LEGEND
*Motor drive range: 680 to 1044 rpm. All other rpms require field-
supplied drive.
See page 107 for general fan performance notes.
NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 1.20.
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 1.20.
FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS
LEGEND
*Motor drive range: 680 to 1044 rpm. All other rpms require field- sup-
plied drive.
See page 107 for general fan performance notes.
NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 1.20.
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 1.20.
581C024 (2Tons)
AIRFLOW
(Cfm)
EXTERNALSTATIC PRESSURE (in. wg)
0.1
0.2
0.4
0.6
0.8
1.0
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
600
490 0.08 521 0.08 597 0.14 703 0.21 788 0.29 868 0.37
700
519 0.09 557 0.09 623 0.16 729 0.24 816 0.32 892 0.41
800
537 0.1 582 0.12 650 0.19 751 0.27 845 0.37 927 0.47
900
560 0.13 610 0.14 681 0.22 783 0.32 870 0.42 947 0.53
1000
589 0.15 640 0.16 707 0.26 808 0.36 894 0.47 971 0.58
Bhp
— Brake Horsepower
Watts
— Input Watts to Motor
581C036 (3 TONS) — STANDARD 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
900
553
0.14
134
681
0.22
221
782
0.32
316
870
0.42
417
948
0.53
526
1000
582
0.16
163
707
0.26
257
807
0.36
358
894
0.47
466
971
0.58
580
1100
612
0.20
196
734
0.30
297
833
0.41
405
919
0.52
519
995
0.64
639
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
581C036 (3 TONS) — STANDARD 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
900
1019
0.64
640
1084
0.76
760
1146
0.89
885
1203
1.02
1016
1258
1.16
1152
1000
1042
0.70
700
1107
0.83
825
1168
0.96
956
1225
1.10
1091
—
—
—
1100
1065
0.77
765
1130
0.90
896
1190
1.04
1032
1247
1.18
1173
—
—
—
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
—
—
—
—
—
—
—
—
—
—
—
—
Bhp
— Brake Horsepower
Watts
— Input Watts to Motor
581C036 (3 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
900
553
0.14
134
681
0.22
221
782
0.32
316
870
0.42
417
948
0.53
526
1000
582
0.16
163
707
0.26
257
807
0.36
358
894
0.47
466
971
0.58
580
1100
612
0.20
196
734
0.30
297
833
0.41
405
919
0.52
519
995
0.64
639
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