27
Fan Performance
Size 34
25" Forward Curved Fan
CFM
Coil
Total Static Pressure - Inches Of Water
Std.
Vel.
2.50
3.00
3.50
4.00
4.50
5.00
5.50
6.00
Air
FPM
RPM
BHP
RPM
BHP
RPM
BHP
RPM
BHP
RPM
BHP
RPM
BHP
RPM
BHP
RPM
BHP
9000
267
680
5.30
744
6.47
800
7.71
851
9.00
899
10.34
943
11.74
985
13.18
10000
297
679
5.82
746
7.05
804
8.34
857
9.68
906
11.08
951
12.53
994
14.02
11000
327
673
6.42
744
7.68
805
9.02
860
10.42
911
11.87
958
13.37
1001
14.92
12000
357
664
7.16
738
8.41
803
9.77
861
11.22
913
12.72
961
14.28
1007
15.88
13000
386
662
7.61
729
9.27
797
10.63
857
12.10
912
13.65
963
15.25
1009
16.91
14000
416
663
8.22
725
9.87
788
11.63
851
13.09
908
14.66
961
16.30
1009
18.01
15000
446
667
8.99
726
10.53
784
12.37
842
14.25
902
15.81
956
17.46
1007
19.20
16000
475
672
9.89
729
11.39
784
13.09
838
15.09
893
17.14
949
18.77
1001
20.51
17000
505
677
10.89
733
12.41
786
14.05
838
15.90
889
18.03
940
20.29
993
22.00
18000
535
684
11.98
738
13.55
790
15.19
19000
565
690
13.14
744
14.80
20000
594
697
14.37
751
16.13
21000
624
704
15.67
757
17.54
22000
654
712
17.03
764
19.03
23000
684
720
18.47
772
20.59
24000
713
728
20.00
779
22.23
Maximum ODP Motor Frame Size for Models 34 — 324 T
Coil Face Velocity is for a Large Cooling Coil, Type A (1/2" Tube Diameter)
Size 34
25" Forward Curved Fan
CFM
Coil
Total Static Pressure - Inches Of Water
Std.
Vel.
0.50
1.00
1.25
1.50
1.75
2.00
2.25
2.50
Air
FPM
RPM
BHP
RPM
BHP
RPM
BHP
RPM
BHP
RPM
BHP
RPM
BHP
RPM
BHP
RPM
BHP
9000
267
312
1.30
420
2.12
468
2.65
517
3.19
565
3.67
607
4.19
645
4.73
680
5.30
10000
297
319
1.57
424
2.46
469
2.94
513
3.52
556
4.17
601
4.68
642
5.24
679
5.82
11000
327
327
1.87
430
2.86
473
3.35
514
3.89
554
4.50
593
5.25
634
5.84
673
6.42
12000
357
337
2.23
436
3.32
479
3.84
518
4.38
556
4.96
592
5.61
628
6.37
664
7.16
13000
386
347
2.62
443
3.81
485
4.39
524
4.96
560
5.54
595
6.16
629
6.85
662
7.61
14000
416
358
3.07
451
4.36
492
4.99
530
5.60
565
6.22
599
6.84
632
7.50
663
8.22
15000
446
370
3.60
459
4.95
499
5.64
537
6.31
572
6.97
605
7.62
636
8.29
667
8.99
16000
475
385
4.21
467
5.60
507
6.34
544
7.07
578
7.78
611
8.48
642
9.18
672
9.89
17000
505
400
4.89
477
6.32
515
7.10
551
7.88
585
8.65
617
9.41
648
10.15
677
10.89
18000
535
415
5.67
487
7.11
524
7.92
559
8.75
592
9.58
624
10.39
655
11.19
684
11.98
19000
565
432
6.53
497
7.95
533
8.83
567
9.69
600
10.57
632
11.44
662
12.30
690
13.14
20000
594
448
7.49
508
8.89
544
9.82
576
10.71
608
11.63
639
12.55
669
13.47
697
14.37
21000
624
465
8.54
521
9.95
553
10.84
586
11.83
617
12.77
647
13.74
676
14.71
704
15.67
22000
654
482
9.71
535
11.11
564
11.99
597
13.01
626
14.00
655
15.00
684
16.02
712
17.03
23000
684
500
10.98
549
12.39
576
13.26
606
14.25
637
15.34
665
16.36
692
17.41
720
18.47
24000
713
518
12.36
565
13.78
590
14.65
617
15.62
646
16.72
674
17.83
701
18.90
728
20.00
Size 20 and Size 26
22" Forward Curved Fan
CFM
Coil Vel
Total Static Pressure - Inches Of Water
Std.
Size
Size
2.50
3.00
3.50
4.00
4.50
5.00
5.50
6.00
Air
20
26
RPM
BHP
RPM
BHP
RPM
BHP
RPM
BHP
RPM
BHP
RPM
BHP
RPM
BHP
RPM
BHP
8500
424
—
775
5.39
850
6.51
922
7.76
989
9.07
1051
10.43
1109
11.81
1163
13.22
9000
449
—
778
5.77
849
6.85
919
8.08
986
9.42
1049
10.81
1108
12.25
1163
13.71
9500
474
—
782
6.17
850
7.25
917
8.45
983
9.78
1046
11.20
1106
12.67
1162
14.18
10000
499
—
786
6.59
853
7.72
917
8.88
981
10.18
1044
11.60
1103
13.10
1160
14.65
10500
524
395
789
7.02
857
8.20
920
9.39
980
10.65
1041
12.05
1100
13.55
1157
15.13
11000
549
414
793
7.47
861
8.70
923
9.95
981
11.20
1040
12.56
1098
14.04
1154
15.62
11500
574
433
797
7.94
865
9.23
927
10.52
985
11.82
1040
13.14
1096
14.59
1151
16.16
12000
599
452
802
8.44
869
9.77
931
11.11
989
12.47
1043
13.82
1096
15.22
1150
16.76
12500
623
471
806
8.96
873
10.33
935
11.72
993
13.13
1047
14.54
1099
15.96
1149
17.44
13000
648
489
810
9.50
877
10.92
939
12.36
996
13.81
1051
15.28
1102
16.75
1152
18.22
14000
698
527
819
10.67
885
12.17
15000
—
565
828
11.96
894
13.54
16000
—
602
839
13.39
903
15.04
17000
—
640
851
14.96
913
16.67
18000
—
678
866
16.69
925
18.46
19000
—
715
882
18.60
Maximum ODP Motor Frame Size for Models 20 and 26 — 256T
Size 20 and Size 26
22" Forward Curved Fan
CFM
Coil Vel
Total Static Pressure - Inches Of Water
Std.
Size
Size
0.50
1.00
1.25
1.50
1.75
2.00
2.25
2.50
Air
20
26
RPM
BHP
RPM
BHP
RPM
BHP
RPM
BHP
RPM
BHP
RPM
BHP
RPM
BHP
RPM
BHP
8500
424
—
394
1.66
514
2.53
567
2.99
614
3.46
658
3.94
699
4.42
738
4.90
775
5.39
9000
449
—
403
1.88
519
2.77
571
3.25
618
3.75
662
4.25
703
4.75
741
5.26
778
5.77
9500
474
—
412
2.10
524
3.03
575
3.53
622
4.05
666
4.57
707
5.10
745
5.63
782
6.17
10000
499
—
421
2.35
529
3.32
580
3.84
627
4.37
670
4.91
711
5.47
749
6.02
786
6.59
10500
524
395
432
2.63
535
3.62
585
4.16
631
4.71
674
5.28
715
5.85
753
6.43
789
7.02
11000
549
414
443
2.94
542
3.95
590
4.50
636
5.08
679
5.66
719
6.26
757
6.86
793
7.47
11500
574
433
455
3.27
549
4.31
595
4.87
640
5.46
683
6.07
723
6.69
761
7.31
797
7.94
12000
599
452
467
3.64
557
4.69
602
5.27
645
5.88
688
6.50
728
7.14
766
7.78
802
8.44
12500
623
471
480
4.04
566
5.11
609
5.70
651
6.32
692
6.96
732
7.61
770
8.28
806
8.96
13000
648
489
493
4.47
575
5.55
616
6.15
657
6.79
698
7.44
737
8.12
774
8.80
810
9.50
14000
698
527
521
5.44
593
6.50
633
7.16
671
7.82
709
8.51
747
9.21
784
9.94
819
10.67
15000
—
565
549
6.56
614
7.61
651
8.28
688
8.99
723
9.70
759
10.44
794
11.19
828
11.96
16000
—
602
578
7.84
637
8.89
670
9.54
706
10.30
739
11.04
773
11.80
806
12.58
839
13.39
17000
—
640
607
9.27
662
10.35
692
10.99
724
11.72
758
12.54
789
13.32
820
14.13
851
14.96
18000
—
678
636
10.88
688
11.98
715
12.62
744
13.34
775
14.14
807
15.01
836
15.84
866
16.69
19000
—
715
666
12.67
715
13.79
740
14.45
767
15.16
794
15.94
824
16.81
854
17.72
882
18.60