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37
Table 18 — Fan Performance — 50BVT,U,V044
LEGEND
NOTES:
1. Unit is available with the following motor and drive com-
binations: 7.5, 10, 15 HP standard drive; 7.5, 10, 15 HP
medium-static drive; 7.5, 10, 15 HP high-static drive.
For 7.5 HP standard drives, the drive range is 780 to 960 rpm.
For 10, 15 HP standard and 7.5 HP medium-static drives, the
drive range is 805 to 991 rpm. For 10, 15 HP medium-static and
7.5 HP high-static drives the drive range is 960 to 1146 rpm.
For 10, 15 HP high-static drives the drive range is 1119 to
1335 rpm.
2.
Italics
indicates field-supplied drive required.
3.
Do not operate in shaded area.
4. Static pressure losses must be applied to external static pres-
sure before entering the fan performance table.
5. Interpolation is permitted, extrapolation is not.
6. Fan performance is based on filter, unit casing and wet coil
losses.
7. Bhp values are
per fan
. Watts values are
per motor
. Unit has
2 supply fans and 2 motors.
AIRFLOW
(cfm)
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
0.2
0.4
0.6
0.8
1.0
Rpm
Watts
Bhp
Rpm
Watts
Bhp
Rpm
Watts
Bhp
Rpm
Watts
Bhp
Rpm
Watts
Bhp
12,000
403
1057
1.25
461
1271
1.51
512
1458
1.73
561
1644
1.95
608
1838
2.18
12,500
413
1173
1.39
470
1395
1.66
519
1591
1.89
567
1785
2.12
613
1980
2.35
13,000
423
1280
1.52
478
1520
1.80
527
1723
2.04
573
1927
2.29
618
2130
2.53
13,500
436
1422
1.69
489
1661
1.97
537
1883
2.23
582
2086
2.47
626
2297
2.73
14,000
446
1546
1.83
498
1803
2.14
546
2033
2.41
589
2253
2.67
632
2465
2.92
14,500
459
1706
2.02
509
1962
2.33
557
2209
2.62
599
2438
2.89
640
2658
3.15
15,000
469
1847
2.19
518
2121
2.52
565
2385
2.83
607
2614
3.10
647
2843
3.37
16,000
495
2200
2.61
541
2482
2.94
585
2772
3.29
627
3036
3.60
665
3272
3.88
17,000
518
2570
3.05
562
2878
3.41
604
3176
3.77
645
3474
4.12
681
3736
4.43
17,500
531
2781
3.30
573
3097
3.67
614
3404
4.04
654
3710
4.40
691
3990
4.73
18,000
543
3001
3.56
584
3325
3.94
625
3640
4.32
664
3955
4.69
700
4252
5.04
19,000
568
3474
4.12
607
3815
4.53
646
4147
4.92
684
4488
5.32
720
4820
5.72
19,500
580
3728
4.42
619
4077
4.84
657
4418
5.24
693
4767
5.66
729
5107
6.06
AIRFLOW
(cfm)
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
1.2
1.4
1.6
1.8
2.0
Rpm
Watts
Bhp
Rpm
Watts
Bhp
Rpm
Watts
Bhp
Rpm
Watts
Bhp
Rpm
Watts
Bhp
12,000
654
2042
2.42
700
2262
2.68
—
—
—
—
—
—
—
—
—
12,500
657
2183
2.59
702
2403
2.85
745
2640
3.13
—
—
—
—
—
—
13,000
661
2341
2.78
704
2561
3.04
746
2790
3.31
—
—
—
—
—
—
13,500
668
2517
2.99
709
2737
3.25
750
2974
3.53
791
3220
3.82
—
—
—
14,000
673
2693
3.19
713
2913
3.46
753
3150
3.74
792
3395
4.03
—
—
—
14,500
680
2886
3.42
719
3115
3.69
758
3351
3.98
796
3605
4.28
834
3859
4.33
15,000
686
3079
3.65
724
3316
3.93
762
3553
4.21
799
3806
4.52
836
4069
4.57
16,000
702
3518
4.17
739
3771
4.47
774
4016
4.76
810
4278
5.08
844
4540
5.11
17,000
717
3990
4.73
752
4252
5.04
786
4514
5.36
820
4785
5.68
853
5055
5.70
17,500
726
4252
5.04
760
4523
5.37
794
4793
5.69
827
5064
6.01
859
5353
6.02
18,000
735
4523
5.37
768
4802
5.70
801
5072
6.02
833
5371
6.37
865
5662
6.37
19,000
753
5107
6.06
785
5415
6.42
816
5707
6.77
848
5998
7.12
878
6298
7.09
19,500
762
5433
6.45
794
5733
6.80
825
6033
7.16
855
6263
7.51
885
6568
7.48
AIRFLOW
(cfm)
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
2.2
2.4
2.6
2.8
3.0
Rpm
Watts
Bhp
Rpm
Watts
Bhp
Rpm
Watts
Bhp
Rpm
Watts
Bhp
Rpm
Watts
Bhp
12,000
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
12,500
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
13,000
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
13,500
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
14,000
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
14,500
871
4130
4.90
—
—
—
—
—
—
—
—
—
—
—
—
15,000
872
4340
5.15
—
—
—
—
—
—
—
—
—
—
—
—
16,000
879
4811
5.71
913
5099
6.05
947
5415
6.42
980
5724
6.79
—
—
—
17,000
886
5353
6.35
919
5645
6.70
951
5945
7.05
983
6254
7.42
1015
6507
7.81
17,500
891
5645
6.70
923
5936
7.04
955
6245
7.41
986
6481
7.78
1017
6795
8.15
18,000
897
5945
7.05
928
6245
7.41
959
6481
7.78
989
6786
8.14
1020
7109
8.53
19,000
908
6525
7.83
938
6830
8.19
968
7135
8.56
997
7449
8.94
1027
7772
9.32
19,500
915
6865
8.24
944
7170
8.60
973
7484
8.98
1002
7807
9.37
1031
8129
9.75
Bhp
—
Brake Horsepower Input to Supply Fan
Watts —
Input Power to Supply Fan Motor