Bryant 579F User Manual page 112

Durapac and durapac plus series commercial single package rooftop units gas heating/electric cooling units
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581B090 (7
1
/
TONS) — STANDARD MOTOR (BELT DRIVE)*
2
Airflow
0.2
(Cfm)
Rpm
Bhp
2250
513
0.54
521
0.57
2300
535
0.63
2400
551
0.69
2500
2550
558
0.72
566
0.76
2600
582
0.83
2700
597
0.90
2800
613
0.98
2900
629
1.07
3000
645
1.16
3100
662
1.26
3200
678
1.36
3300
3400
694
1.47
711
1.59
3500
3600
727
1.71
744
1.84
3700
752
1.91
3750
581B090 (7
1
/
TONS) — STANDARD MOTOR (BELT DRIVE)* (cont)
2
Airflow
1.2
(Cfm)
Rpm
Bhp
2250
839
1.86
2300
844
1.90
854
1.99
2400
865
2.08
2500
870
2.13
2550
875
2.18
2600
886
2.28
2700
897
2.39
2800
2900
908
2.50
920
2.62
3000
3100
931
2.75
943
2.88
3200
3300
3400
3500
3600
3700
3750
LEGEND
Bhp
— Brake Horsepower Input to Fan
Watts — Input Watts to Motor
*Motor drive range: 840 to 1085 rpm. All other rpms require field-
plied drive.
PERFORMANCE DATA (cont)
FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)
External Static Pressure (in. wg)
0.4
Watts
Rpm
Bhp
Watts
505
595
0.76
713
531
601
0.79
741
584
615
0.86
802
642
628
0.93
866
673
635
0.97
900
705
642
1.00
935
771
656
1.08
1008
842
670
1.16
1086
918
684
1.25
1169
999
699
1.35
1256
1085
713
1.45
1349
1176
728
1.55
1448
1272
743
1.66
1551
1374
758
1.78
1660
1482
773
1.90
1775
1596
789
2.03
1896
1716
804
2.17
2023
1778
812
2.24
2089
External Static Pressure (in. wg)
1.4
Watts
Rpm
Bhp
Watts
1735
889
2.18
2032
1773
893
2.22
2073
1855
903
2.32
2159
1940
913
2.41
2249
1985
918
2.46
2296
2031
923
2.51
2344
2126
934
2.62
2445
2227
944
2.73
2550
2333
955
2.85
2661
2443
2560
2682
0.6
Rpm
Bhp
Watts
Rpm
665
1.01
940
728
671
1.04
972
734
684
1.11
1038
745
696
1.19
1109
757
702
1.23
1146
763
709
1.27
1183
769
721
1.35
1263
781
734
1.44
1347
793
748
1.54
1436
805
761
1.64
1530
818
775
1.75
1630
831
788
1.86
1734
844
802
1.98
1845
857
816
2.10
1961
870
831
2.23
2082
884
845
2.37
2210
897
860
2.51
2343
911
867
2.59
2413
1.6
Rpm
Bhp
Watts
Rpm
935
2.52
2345
980
940
2.56
2389
950
2.66
2478
959
2.76
2573
964
2.81
2622
969
2.87
2673
Refer to page 107 for general Fan Performance Data notes.
NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 2.90.
sup-
112
0.8
Bhp
Watts
Rpm
1.27
1187
786
1.31
1222
791
1.39
1293
802
1.47
1369
813
1.51
1409
818
1.55
1450
824
1.65
1535
835
1.74
1625
847
1.84
1720
859
1.95
1820
871
2.06
1925
883
2.18
2036
895
2.31
2152
908
2.44
2275
920
2.58
2402
2.72
2537
2.87
2677
1.8
Bhp
Watts
Rpm
2.87
2673
1.0
Bhp
Watts
1.56
1453
1.60
1489
1.68
1566
1.77
1647
1.81
1689
1.86
1732
1.95
1823
2.06
1917
2.16
2019
2.28
2125
2.40
2235
2.52
2352
2.65
2475
2.79
2603
2.0
Bhp
Watts

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