Bryant 579F User Manual page 126
Durapac and durapac plus series commercial single package rooftop units gas heating/electric cooling units
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581B102 (8
1
/
TONS) — STANDARD MOTOR (BELT DRIVE)*
2
Airflow
0.2
(Cfm)
Rpm
Bhp
2500
513
0.45
2600
526
0.50
2700
539
0.54
2800
552
0.59
2900
565
0.64
3000
579
0.70
3100
592
0.76
3200
606
0.82
3300
620
0.88
3400
634
0.95
3500
648
1.03
3600
662
1.10
3700
676
1.19
3800
690
1.27
3900
705
1.36
4000
719
1.45
4100
734
1.55
4200
748
1.66
4300
763
1.76
581B102 (8
1
/
TONS) — STANDARD MOTOR (BELT DRIVE)* (cont)
2
Airflow
1.2
(Cfm)
Rpm
Bhp
2500
877
1.31
2600
885
1.38
2700
892
1.46
2800
900
1.54
2900
908
1.62
3000
917
1.70
3100
925
1.79
3200
934
1.88
3300
943
1.98
3400
952
2.08
3500
961
2.18
3600
971
2.29
3700
981
2.40
3800
990
2.52
3900
1000
2.64
4000
1011
2.76
4100
1021
2.89
4200
—
—
4300
—
—
LEGEND
Bhp
— Brake Horsepower Input to Fan
Watts — Input Watts to Motor
*Motor drive range: 840 to 1085 rpm. All other rpms require field-supplied
drive.
PERFORMANCE DATA (cont)
FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)
0.4
Watts
Rpm
Bhp
Watts
423
603
0.62
576
463
614
0.67
621
505
625
0.72
670
551
637
0.77
721
599
648
0.83
775
651
660
0.89
832
706
672
0.96
893
764
684
1.03
957
825
696
1.10
1024
890
709
1.17
1095
958
721
1.25
1169
1030
734
1.34
1246
1106
747
1.42
1328
1185
760
1.52
1414
1269
773
1.61
1503
1357
786
1.71
1597
1449
799
1.82
1695
1545
813
1.93
1797
1646
826
2.04
1903
1.4
Watts
Rpm
Bhp
Watts
1222
933
1.49
1392
1289
940
1.57
1464
1359
948
1.65
1540
1432
955
1.74
1618
1508
963
1.82
1699
1587
970
1.91
1784
1670
979
2.01
1872
1756
987
2.10
1963
1845
995
2.21
2057
1939
1004
2.31
2156
2035
1013
2.42
2258
2135
1022
2.53
2364
2240
1031
2.65
2473
2348
1040
2.77
2587
2459
1050
2.90
2705
2576
—
—
—
2697
—
—
—
—
—
—
—
—
—
—
—
External Static Pressure (in. wg)
0.6
Rpm
Bhp
Watts
682
0.78
732
692
0.84
783
702
0.90
837
712
0.96
894
722
1.02
954
732
1.09
1017
743
1.16
1083
754
1.24
1153
765
1.31
1225
777
1.40
1302
788
1.48
1381
800
1.57
1465
811
1.66
1552
823
1.76
1644
835
1.86
1739
848
1.97
1838
860
2.08
1942
872
2.20
2050
885
2.32
2162
External Static Pressure (in. wg)
1.6
Rpm
Bhp
Watts
986
1.68
1565
993
1.76
1643
1000
1.85
1723
1007
1.94
1807
1014
2.03
1893
1021
2.13
1983
1029
2.23
2076
1037
2.33
2172
1045
2.44
2272
1053
2.55
2376
1062
2.66
2483
1070
2.78
2595
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—
See page 107 for general fan performance notes.
NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 2.90.
126
0.8
Rpm
Bhp
Watts
Rpm
753
0.96
892
817
761
1.02
948
825
770
1.08
1008
834
780
1.15
1070
842
789
1.22
1136
851
799
1.29
1204
860
808
1.37
1276
869
818
1.45
1351
878
829
1.53
1429
888
839
1.62
1511
897
850
1.71
1597
907
860
1.81
1686
917
871
1.91
1779
927
882
2.01
1876
938
894
2.12
1977
948
905
2.23
2082
959
917
2.35
2192
970
928
2.47
2305
981
940
2.60
2423
992
1.8
Rpm
Bhp
Watts
Rpm
1037
1.87
1742
1085
1043
1.96
1824
1091
1049
2.05
1909
1097
1056
2.14
1998
1103
1063
2.24
2089
1110
1070
2.34
2185
1117
1077
2.45
2283
1123
1085
2.56
2384
1131
1092
2.67
2490
—
1100
2.79
2599
—
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—
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—
1.0
Bhp
Watts
1.13
1055
1.20
1117
1.27
1182
1.34
1250
1.42
1321
1.50
1395
1.58
1471
1.66
1552
1.75
1636
1.85
1723
1.95
1815
2.05
1909
2.15
2008
2.26
2111
2.38
2217
2.50
2328
2.62
2443
2.75
2562
2.88
2686
2.0
Bhp
Watts
2.06
1921
2.15
2008
2.25
2099
2.35
2192
2.45
2289
2.56
2389
2.67
2492
2.79
2599
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