Bryant 581C Manual De Usuario
153
PERFORMANCE DATA — 581C
FAN PERFORMANCE — VERTICAL DISCHARGE UNITS
LEGEND
*Motor drive range: 680 to 1044 rpm. All other rpms require field-
supplied drive.
Refer to page 107 for general Fan Performance Data 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 — VERTICAL DISCHARGE UNITS
LEGEND
*Motor drive range: 680 to 1044 rpm. All other rpms require field-
supplied drive.
Refer to page 107 for general Fan Performance Data 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.
581C (2 Tons) - STANDARD MOTOR (BELT DRIVE)
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
500 0.08 531 0.08
607
0.14 713 0.21
788 0.29 878 0.37
700
529 0.09 567 0.09 633
0.16
739 0.24 816 0.32
902
0.41
800
547 0.1 592 0.12 660
0.19
761 0.27 845 0.37
937
0.47
900
570 0.13 620 0.14 691
0.22
793 0.32 870 0.42
957
0.53
1000
599 0.15 650 0.16 717 0.26 818 0.36
894 0.47 981 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
567
0.15
145
688
0.22
222
786
0.30
296
871
0.37
368
947
0.44
437
1000
599
0.18
177
717
0.27
265
814
0.35
349
897
0.43
430
972
0.51
509
1100
632
0.22
215
747
0.31
313
842
0.41
407
925
0.50
498
999
0.59
587
1200
666
0.26
257
778
0.37
367
871
0.47
471
952
0.57
572
1025
0.67
670
1300
701
0.31
306
810
0.43
426
901
0.54
540
981
0.65
651
1053
0.76
760
1400
737
0.36
361
842
0.49
491
931
0.62
616
1010
0.74
738
1081
0.86
856
1500
773
0.42
422
875
0.57
564
963
0.70
699
1040
0.84
831
1110
0.96
960
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
1016
0.51
505
1080
0.57
572
1139
0.64
637
1195
0.71
702
1249
0.77
765
1000
1041
0.59
587
1104
0.67
662
1163
0.74
737
1219
0.81
811
1272
0.89
883
1100
1066
0.68
674
1129
0.76
759
1188
0.85
843
1243
0.93
925
1296
1.01
1007
1200
1093
0.77
767
1155
0.87
861
1213
0.96
955
1268
1.05
1047
1321
1.14
1137
1300
1119
0.87
866
1181
0.98
970
1239
1.08
1073
1294
1.18
1175
—
—
—
1400
1147
0.98
972
1208
1.09
1086
—
—
—
—
—
—
—
—
—
1500
1175
1.09
1086
—
—
—
—
—
—
—
—
—
—
—
—
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
567
0.15
145
688
0.22
222
786
0.30
296
871
0.37
368
947
0.44
437
1000
599
0.18
177
717
0.27
265
814
0.35
349
897
0.43
430
972
0.51
509
1100
632
0.22
215
747
0.31
313
842
0.41
407
925
0.50
498
999
0.59
587
1200
666
0.26
257
778
0.37
367
871
0.47
471
952
0.57
572
1025
0.67
670
1300
701
0.31
306
810
0.43
426
901
0.54
540
981
0.65
651
1053
0.76
760
1400
737
0.36
361
842
0.49
491
931
0.62
616
1010
0.74
738
1081
0.86
856
1500
773
0.42
422
875
0.57
564
963
0.70
699
1040
0.84
831
1110
0.96
960