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580F090,091 (7
1
/
TONS) — HIGH-STATIC MOTOR (BELT DRIVE)*
2
Airflow
0.2
(Cfm)
Rpm
Bhp
2250
505
0.52
513
0.55
2300
527
0.60
2400
2500
543
0.66
550
0.69
2550
558
0.73
2600
574
0.80
2700
2800
589
0.87
605
0.95
2900
621
1.03
3000
637
1.12
3100
3200
654
1.22
670
1.32
3300
686
1.42
3400
703
1.54
3500
3600
720
1.66
736
1.78
3700
745
1.85
3750
580F090,091 (7
/
TONS) — HIGH-STATIC MOTOR (BELT DRIVE)* (cont)
1
2
Airflow
1.2
(Cfm)
Rpm
Bhp
2250
838
1.81
842
1.84
2300
2400
851
1.92
860
2.01
2500
865
2.05
2550
869
2.10
2600
879
2.19
2700
889
2.29
2800
899
2.40
2900
910
2.51
3000
3100
921
2.63
932
2.75
3200
943
2.88
3300
954
3.02
3400
3500
966
3.16
978
3.31
3600
990
3.47
3700
996
3.55
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 — HORIZONTAL DISCHARGE UNITS (cont)
0.4
Watts
Rpm
Bhp
Watts
484
586
0.73
681
509
592
0.76
708
561
605
0.82
766
617
618
0.89
828
647
625
0.92
860
677
632
0.96
894
742
645
1.03
964
811
659
1.11
1039
885
673
1.20
1119
963
688
1.29
1204
1046
702
1.39
1293
1135
717
1.49
1388
1228
732
1.60
1488
1328
747
1.71
1593
1433
762
1.83
1705
1543
777
1.95
1822
1660
793
2.09
1944
1721
801
2.15
2008
1.4
Watts
Rpm
Bhp
Watts
1683
891
2.12
1981
1719
895
2.17
2019
1793
903
2.25
2097
1873
911
2.34
2180
1914
916
2.38
2223
1957
920
2.43
2267
2046
929
2.53
2360
2140
938
2.64
2458
2239
948
2.75
2561
2343
958
2.86
2670
2453
968
2.98
2783
2569
978
3.11
2903
2690
989
3.25
3029
2816
1000
3.39
3159
2950
1011
3.54
3297
3088
1022
3.69
3442
3233
—
—
—
3308
—
—
—
External Static Pressure (in. wg)
0.6
Rpm
Bhp
Watts
657
0.97
901
663
1.00
931
674
1.07
993
686
1.14
1060
692
1.17
1095
698
1.21
1131
710
1.29
1207
723
1.38
1287
736
1.47
1372
749
1.57
1463
762
1.67
1558
776
1.78
1658
789
1.89
1764
803
2.01
1876
817
2.14
1993
832
2.27
2116
846
2.41
2245
853
2.48
2312
External Static Pressure (in. wg)
1.6
Rpm
Bhp
Watts
941
2.46
2297
944
2.51
2336
952
2.59
2416
960
2.68
2502
964
2.73
2547
968
2.78
2593
976
2.88
2689
985
2.99
2791
994
3.11
2898
1004
3.23
3011
1013
3.35
3128
1023
3.49
3252
1033
3.63
3382
—
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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.
62
0.8
Rpm
Bhp
Watts
Rpm
722
1.22
1142
782
727
1.26
1174
787
738
1.33
1241
796
748
1.41
1312
806
754
1.45
1349
811
759
1.49
1388
816
770
1.58
1469
826
782
1.67
1554
837
794
1.76
1644
848
806
1.87
1740
859
818
1.97
1840
871
831
2.09
1946
882
843
2.21
2057
894
856
2.33
2174
907
870
2.46
2297
919
883
2.60
2425
932
896
2.75
2560
944
903
2.82
2630
951
1.8
Rpm
Bhp
Watts
Rpm
988
2.82
2629
1033
992
2.86
2669
1037
999
2.95
2752
1043
1006
3.05
2842
1051
1010
3.10
2888
1054
1014
3.15
2935
1058
1022
3.25
3035
1066
1030
3.37
3140
—
1039
3.49
3250
—
1048
3.61
3366
—
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—
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—
—
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1.0
Bhp
Watts
1.50
1403
1.54
1437
1.62
1508
1.70
1583
1.74
1623
1.78
1664
1.88
1749
1.97
1839
2.07
1933
2.18
2033
2.29
2139
2.41
2249
2.54
2365
2.67
2488
2.81
2616
2.95
2750
3.10
2889
3.18
2962
2.0
Bhp
Watts
3.19
2976
3.24
3018
3.33
3104
3.43
3196
3.48
3243
3.53
3292
3.64
3395
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