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Fcu utility fans – CFM FCU-20 User Manual

Page 11

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Tip Speed (FPM) = 5.236 x RPM

Outlet:

2.316 sq. ft. inside, 21.5” x 15.88” outside

Inlet:

2.435 sq. ft. inside, 21.5” dia. outside

Wheel Diameter: 20”
Max. RPM:

955

11

FCU UTILITY FANS

1853
2084
2316
2548
2780

3011

3242
3474
3706
3937
4169
4400
4632
5095
5558
6022
6485
6948

7411

7875
8338
8801
9264
9727

10190
10654

11117

11580

12043

CFM

Outlet Vel.

FPM

0.25 SP

RPM

BHP

0.375 SP

0.50 SP

0.625 SP

800
900

1000

1100

1200
1300
1400
1500
1600
1700
1800
1900
2000
2200
2400
2600
2800
3000
3200
3400
3600
3800
4000
4200
4400
4600
4800
5000
5200

256
263
272
282
294
307
320
333
347
362
376
391
406
437
468
499
531
563
595
628
660
693
726
759
792
825
859
892
925

0.14
0.16
0.20
0.24
0.29
0.34
0.40
0.47
0.55
0.64
0.74
0.85
0.97
1.25
1.57
1.96
2.40
2.90
3.48
4.13
4.85
5.66
6.55
7.54
8.62
9.80

11.09

12.49
14.00

0.75 SP

0.875 SP

1.00 SP

RPM

BHP

308
309
314
321
330
341
352
364
376
389
403
417
431
460
490
520
551
582
614
646
678
710
742
775
807
840
873
906
939

0.19
0.22
0.26
0.30
0.35
0.41
0.47
0.55
0.63
0.72
0.83
0.94
1.07
1.35
1.69
2.08
2.54
3.05
3.64
4.30
5.04
5.86
6.77
7.76
8.86

10.05

11.36

12.76
14.29

RPM

BHP

356
360
366
374
383
393
404
416
428
441
455
482

511

540
570
601
631
663
694
726
757
789
822
854
886
919
952

0.33
0.37
0.42
0.48
0.55
0.63
0.71
0.81
0.92
1.03
1.16
1.46
1.80
2.21
2.67
3.20
3.80
4.47
5.22
6.05
6.97
7.98
9.09

10.30

11.61

13.03
14.57

RPM

BHP

398
401
406
413
422
431
442
453
465
477
504
531
559
588
618
648
679
709
740
772
803
835
867
899
932

0.45
0.50
0.56
0.63
0.71
0.80
0.90
1.01
1.13
1.26
1.57
1.92
2.33
2.81
3.34
3.95
4.64
5.40
6.24
7.17
8.19
9.31

10.53

11.86

13.29

RPM

BHP

436
439
444
450
458
467
477
488
500
524
550
578
606
634
664
694
724
755
786
817
848
880
912
944

0.59
0.65
0.72
0.80
0.89
0.99
1.10
1.23
1.37
1.67
2.04
2.46
2.94
3.49

4.11

4.80
5.57
6.43
7.37
8.40
9.53

10.76
12.10
13.55

RPM

BHP

471
474
478
485
493
501

511

522
544
569
595
623
651
679
709
739
769
799
830
861
892
924
955

0.74
0.81
0.90
0.99
1.09
1.21
1.33
1.47
1.79
2.16
2.59
3.08
3.63
4.26
4.96
5.74
6.61
7.56
8.61
9.75

10.99
12.34
13.80

RPM

BHP

503
506

511

518
525
534
543
564
588
613
639
667
695
723
753
782
812
843
873
904
936

0.91
1.00
1.09
1.19
1.31
1.44
1.58
1.90
2.28
2.71
3.21
3.78
4.41
5.13
5.92
6.79
7.76
8.81
9.96

11.22

12.58

3474
3706
3937
4169
4400
4632
5095
5558
6022
6485
6948

7411

7875
8338
8801
9264
9727

10190
10654

CFM

Outlet Vel.

FPM

1.25 SP

RPM

BHP

1.50 SP

1.75 SP

2.00 SP

1500
1600
1700
1800
1900
2000
2200
2400
2600
2800
3000
3200
3400
3600
3800
4000
4200
4400
4600

562
564
567
572
579
586
604
624
647
672
697
724
752
780
808
838
867
897
928

1.21
1.31
1.42
1.54
1.67
1.81
2.14
2.53
2.98
3.49
4.07
4.72
5.46
6.26
7.16
8.14
9.22

10.39

11.67

2.50 SP

3.00 SP

3.50 SP

RPM

BHP

616
619
623
629
643
661
681
703
727
753
779
806
834
862
891
920
950

1.66
1.78
1.92
2.06
2.40
2.80
3.26
3.78
4.37
5.04
5.79
6.61
7.52
8.52
9.62

10.81

12.11

RPM

BHP

665
667
671
681
696
714
735
757
781
806
832
859
886
914
943

2.04
2.18
2.33
2.67
3.08
3.54
4.08
4.69
5.37
6.12
6.97
7.89
8.91

10.02

11.23

RPM

BHP

711

712
720
732
747
766
786
808
832
857
883
909
937

2.46
2.61
2.96
3.37
3.85
4.39
5.01
5.70
6.47
7.33
8.27
9.30

10.43

RPM

BHP

796
802
813
827
844
863
884
906
930
955

3.58
4.00
4.49
5.05
5.68
6.39
7.19
8.07
9.04

10.10

RPM

BHP

871
877
887
901
917
935
955

4.68
5.18
5.75
6.40
7.12
7.94
8.84

RPM

BHP

941
947

5.93
6.50

M

MO

OD

DE

EL

L:: F

FC

CU

U--2

20

0

M

MO

OD

DE

EL

L:: F

FC

CU

U--2

20

0

Performance shown is for installation Type B - free inlet, ducted outlet. Power rating (BHP) does not include drive losses.
Performance ratings do not include the effects of appurtenances in the airstream.

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