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580F090,091 (7
1
/
TONS) — HIGH-STATIC MOTOR (BELT DRIVE)*
2
Airflow
0.2
(Cfm)
Rpm
Bhp
2250
513
0.54
521
0.57
2300
535
0.63
2400
2500
551
0.69
558
0.72
2550
566
0.76
2600
582
0.83
2700
2800
597
0.90
613
0.98
2900
629
1.07
3000
645
1.16
3100
3200
662
1.26
678
1.36
3300
694
1.47
3400
711
1.59
3500
3600
727
1.71
744
1.84
3700
752
1.91
3750
580F090,091 (7
/
TONS) — HIGH-STATIC MOTOR (BELT DRIVE)* (cont)
1
2
Airflow
1.2
(Cfm)
Rpm
Bhp
2250
839
1.86
844
1.90
2300
2400
854
1.99
865
2.08
2500
870
2.13
2550
875
2.18
2600
886
2.28
2700
897
2.39
2800
908
2.50
2900
920
2.62
3000
3100
931
2.75
943
2.88
3200
955
3.01
3300
967
3.16
3400
3500
980
3.31
992
3.46
3600
1005
3.63
3700
—
—
3750
LEGEND
Bhp
— Brake Horsepower Input to Fan
Watts — Input Watts to Motor
*Motor drive range: 860 to 1080 rpm. All other rpms require field-supplied
drive.
PERFORMANCE DATA (cont)
FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)
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
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
966
2.98
2777
2560
977
3.11
2899
2682
989
3.25
3026
2810
1000
3.39
3159
2945
1012
3.54
3299
3084
1024
3.69
3445
3230
—
—
—
3383
—
—
—
—
—
—
—
External Static Pressure (in. wg)
0.6
Rpm
Bhp
Watts
665
1.01
940
671
1.04
972
684
1.11
1038
696
1.19
1109
702
1.23
1146
709
1.27
1183
721
1.35
1263
734
1.44
1347
748
1.54
1436
761
1.64
1530
775
1.75
1630
788
1.86
1734
802
1.98
1845
816
2.10
1961
831
2.23
2082
845
2.37
2210
860
2.51
2343
867
2.59
2413
External Static Pressure (in. wg)
1.6
Rpm
Bhp
Watts
935
2.52
2345
940
2.56
2389
950
2.66
2478
959
2.76
2573
964
2.81
2622
969
2.87
2673
979
2.98
2777
989
3.10
2888
1000
3.22
3003
1010
3.35
3123
1021
3.49
3250
1032
3.63
3383
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 3.70.
3. See page 70 for General Fan Performance Notes.
44
0.8
Rpm
Bhp
Watts
Rpm
728
1.27
1187
786
734
1.31
1222
791
745
1.39
1293
802
757
1.47
1369
813
763
1.51
1409
818
769
1.55
1450
824
781
1.65
1535
835
793
1.74
1625
847
805
1.84
1720
859
818
1.95
1820
871
831
2.06
1925
883
844
2.18
2036
895
857
2.31
2152
908
870
2.44
2275
920
884
2.58
2402
933
897
2.72
2537
946
911
2.87
2677
959
918
2.95
2750
966
1.8
Rpm
Bhp
Watts
Rpm
980
2.87
2673
1022
984
2.91
2718
1027
993
3.02
2812
1035
1003
3.12
2911
1044
1008
3.18
2962
1049
1012
3.23
3014
1054
1022
3.35
3123
—
1032
3.47
3238
—
1042
3.60
3358
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
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
2.93
2737
3.09
2877
3.24
3023
3.32
3100
2.0
Bhp
Watts
3.23
3015
3.28
3062
3.39
3159
3.50
3261
3.55
3315
3.61
3370
—
—
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—
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