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RATED
CFM
0.0
BHP
2700
RPM
Turns Open
BHP
2900
RPM
Turns Open
BHP
3100
RPM
Turns Open
BHP
3300
RPM
Turns Open
BHP
3500
RPM
Turns Open
BHP
3700
RPM
Turns Open
BHP
0.82
3900
RPM
550
Turns Open
4.5
BHP
0.93
4100
RPM
570
Turns Open
4
LEGEND
A
— Standard Static Sheave/Standard Motor
B
— Low-Static Sheave/Standard Motor
E
— High-Static Sheave/Large Motor
BHP — Brake Horsepower
RPM — Revolutions Per Minute
NOTES:
1. Bold numbers require 2 horsepower motor.
2. Due to alternate sheaves, 'Turns Open' may vary within ±0.5 turn from the
position shown above.
3. Units factory shipped with standard static sheave and drive at 2.5 turns
open (3500 cfm at 0.7 in. wg ESP Wet Coil). Other speeds require field
selection.
RATED
CFM
0.0
BHP
2800
RPM
Turns Open
BHP
3000
RPM
Turns Open
BHP
3200
RPM
Turns Open
BHP
3400
RPM
Turns Open
BHP
3600
RPM
Turns Open
BHP
3800
RPM
Turns Open
BHP
0.87
4000
RPM
560
Turns Open
4.5
BHP
0.99
4200
RPM
580
Turns Open
4
BHP
1.13
4400
RPM
601
Turns Open
3.5
BHP
1.27
4600
RPM
623
Turns Open
2.5
LEGEND
A
— Standard Static Sheave/Standard Motor
B
— Low-Static Sheave/Standard Motor
C
— High-Static Sheave/Standard Motor
E
— High-Static Sheave/Large Motor
BHP — Brake Horsepower
RPM — Revolutions Per Minute
NOTES:
1. Bold numbers require 2 horsepower motor.
2. Due to alternate sheaves, 'Turns Open' may vary within ±0.5 turn from the
position shown above.
3. Units factory shipped with standard static sheave and drive at 2.5 turns
open (4000 cfm at 0.5 in. wg ESP Wet Coil). Other speeds require field
selection.
Table 5E — 50VQL100 Blower Performance Data
0.1
0.2
0.3
0.4
0.5
0.50
0.56
0.63
561
599
635
4.5
3.5
2.5
0.57
0.63
0.70
576
613
648
4
3
0.58
0.64
0.71
0.78
553
590
626
660
4.5
3.5
2.5
0.66
0.73
0.80
0.87
569
604
638
671
B
4
3
2.5
1.5
0.68
0.75
0.82
0.89
0.96
549
584
618
651
683
4.5
3.5
3
2
0.78
0.85
0.92
0.99
1.07
566
600
633
665
696
4
3.5
2.5
1.5
0.89
0.96
1.03
1.10
1.18
584
616
648
679
709
3.5
3
2
1.5
4.5
1.00
1.08
1.15
1.23
1.31
602
633
664
693
722
3.5
2.5
1.5
1
4.5
Table 5F — 50VQL120 Blower Performance Data
0.1
0.2
0.3
0.4
0.5
0.53
0.60
0.67
569
606
642
4
3
2.5
0.54
0.60
0.67
0.74
546
583
619
654
4.5
4
3
2
0.62
0.68
0.75
0.82
561
597
632
666
4.5
3.5
2.5
1.5
0.70
0.77
0.84
0.91
576
611
645
677
B
4
3
2
1.5
0.73
0.80
0.87
0.94
1.01
557
592
625
658
689
4.5
3.5
2.5
2
1
0.83
0.90
0.97
1.05
1.12
575
608
640
672
702
4
3
2.5
1.5
4.5
0.94
1.01
1.09
1.16
1.24
593
624
656
686
715
3.5
2.5
2
1
4.5
1.07
1.14
1.22
1.29
1.38
611
642
672
701
729
3
2.5
1.5
4.5
4
1.20
1.28
1.36
1.44
1.52
631
660
689
717
745
2.5
2
1
4.5
4
1.35
1.43
1.51
1.59
1.68
652
680
707
734
761
2
1.5
4.5
4
3.5
EXTERNAL STATIC PRESSURE (in. wg)
0.6
0.7
0.8
0.9
0.70
0.77
0.84
0.90
670
704
736
767
1.5
4.5
4
3.5
0.78
0.86
0.92
0.99
682
714
746
776
2
1
4.5
4
3
0.86
0.94
1.02
1.10
693
724
755
784
2
1
4.5
3.5
3
0.94
1.02
1.11
1.19
703
734
764
793
A
4.5
4
3.5
3
1.04
1.12
1.21
1.28
714
744
773
802
1
4.5
4
3.5
2.5
1.15
1.23
1.31
1.40
726
755
783
811
1
4
3.5
3
2.5
1.26
1.35
1.43
1.52
738
766
794
821
4
3.5
3
4
1.39
1.48
1.56
1.66
751
778
805
832
3.5
5
4.5
4
4. ISO/ARI rating point with standard static sheave and drive at 3.5 turns
open (3500 cfm at 0.45 in. wg ESP Wet Coil). Other speeds require field
selection.
5. For applications requiring higher static pressures, contact your local
representative.
6. Performance data does not include drive losses and is based on sea level
conditions.
7. Do not operate in gray region.
8. All airflow is rated at lowest voltage if unit is dual voltage rated, i.e., 208 v
for 208-230-v units.
9. For wet coil performance first calculate the face velocity of the air coil (Face
Velocity [fpm] = Airflow [cfm]/Face Area [sq ft]). Then for velocities of
200 fpm reduce the static capability by 0.03 in. wg, 300 fpm by 0.08 in. wg,
400 fpm by 0.12 in. wg and 500 fpm by 0.16 in. wg.
EXTERNAL STATIC PRESSURE (in. wg)
0.6
0.7
0.8
0.9
0.74
0.81
0.87
0.94
676
709
741
771
1.5
4.5
4
3.5
0.82
0.89
0.98
1.06
687
719
750
780
1
4.5
4
3
0.90
0.98
1.06
1.15
698
729
759
789
1
4
3.5
3
0.99
1.07
1.16
1.24
709
739
769
797
4.5
4
3.5
3
1.09
1.17
1.26
1.35
720
750
778
806
4.5
4
3
2.5
1.20
1.29
1.37
1.46
732
760
788
A
816
4
3.5
3
2.5
1.33
1.41
1.50
1.59
744
772
799
826
4
3.5
3
2
1.46
1.55
1.63
1.73
757
785
811
837
3.5
3
2.5
2
1.61
1.69
1.79
1.88
772
798
824
850
3.5
3
2.5
2
1.77
1.86
1.95
2.05
787
813
839
864
3
2.5
4
3.5
4. ISO/ARI rating point with standard static sheave and drive at 2 turns open
(4000 cfm at 0.6 in. wg ESP Wet Coil). Other speeds require field
selection.
5. For applications requiring higher static pressures, contact your local
representative.
6. Performance data does not include drive losses and is based on sea level
conditions.
7. Do not operate in gray region.
8. All airflow is rated at lowest voltage if unit is dual voltage rated, i.e., 208 v
for 208-230-v units.
9. For wet coil performance first calculate the face velocity of the air coil (Face
Velocity [fpm] = Airflow [cfm]/Face Area [sq ft]). Then for velocities of
200 fpm reduce the static capability by 0.03 in. wg, 300 fpm by 0.08 in. wg,
400 fpm by 0.12 in. wg and 500 fpm by 0.16 in. wg.
25
1.0
1.1
1.2
1.3
1.4
0.97
1.03
1.10
1.17
1.23
797
826
854
881
907
3
2
1.5
1
0.5
1.06
1.13
1.20
1.26
1.33
805
833
861
887
913
2.5
2
1.5
1
0.5
1.19
1.27
1.35
1.43
1.52
813
841
868
894
919
2.5
2
1.5
1
2.5
1.28
1.36
1.45
1.53
1.62
821
848
874
900
925
2.5
2
3.5
3
2.5
1.36
1.44
1.52
1.59
1.67
829
856
882
907
932
E
2
1.5
3
2.5
1.48
1.55
1.63
1.70
1.78
838
864
889
914
939
4
3.5
3
2.5
1.62
1.71
1.81
847
873
898
4
3.5
3
1.75
1.85
857
883
3.5
3
1.0
1.1
1.2
1.3
1.4
1.01
1.08
1.15
1.21
1.28
801
830
857
884
910
2.5
2
1.5
1
0.5
1.16
1.22
1.29
1.36
1.43
809
837
864
891
916
2.5
2
1.5
1
0.5
1.24
1.34
1.43
1.51
1.58
817
844
871
897
922
2.5
2
1.5
1
0.5
1.33
1.42
1.50
1.58
1.67
825
852
878
904
929
2.5
1.5
1
0.5
0
1.44
1.53
1.63
1.69
1.74
833
860
886
911
935
2
1.5
1
0.5
0
1.55
1.65
1.75
1.85
1.95
842
868
894
918
943
2
1.5
1
0.5
2
1.68
1.78
1.88
1.98
2.08
852
878
902
927
951
1.5
1
0.5
2.5
2
1.82
1.92
2.02
2.12
2.23
863
888
912
936
E
960
1.5
1
2.5
2
2
1.98
2.07
2.17
2.28
2.39
875
899
923
947
970
3.5
3
2.5
2
1.5
2.14
2.25
2.35
2.45
2.56
888
912
936
959
981
3
2.5
2
2
1.5
1.5
1.30
933
0
1.40
938
0
1.60
944
2
1.70
950
2
1.75
956
2
2
2
1.5
1.35
936
0
1.50
941
0
1.65
947
0
1.75
953
C
2
1.80
959
2
2.06
966
1.5
2.19
974
1.5
2.34
983
1.5
2.49
993
1
2.67
1003
1
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