Page 5
BLOWER DATA
TAA072 BLOWER PERFORMANCE
All data is measured external to the unit with dry coil and standard 2 in. air filters in place.
FOR ALL UNITS ADD:
1 − Wet indoor coil air resistance of selected unit.
2 − Any field installed accessories air resistance (electric heat, economizer, etc.) See page 13.
Then determine from table the blower motor hp and drive rpm required. See page 12 for blower drive specifications.
Air
Vol-
ume
cfm
STATIC PRESSURE EXTERNAL TO UNIT − Inches Water Gauge
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
RPM
BHP
RPM
BHP
RPM
BHP
RPM
BHP
RPM
BHP
RPM
BHP
RPM
BHP
RPM
BHP
1900
428
0.57
479
0.66
531
0.74
581
0.81
629
0.88
675
0.94
718
1.01
758
1.07
2000
434
0.59
486
0.69
538
0.77
589
0.84
637
0.91
682
0.98
725
1.05
765
1.11
2100
441
0.62
493
0.72
545
0.8
596
0.88
644
0.95
689
1.02
732
1.09
771
1.15
2200
448
0.65
501
0.75
553
0.83
604
0.91
652
0.98
696
1.06
738
1.13
778
1.2
2300
456
0.68
508
0.78
561
0.86
612
0.94
659
1.02
704
1.1
746
1.17
785
1.24
2400
463
0.71
516
0.81
569
0.9
620
0.98
667
1.06
711
1.14
753
1.22
792
1.29
2500
470
0.74
524
0.84
578
0.94
629
1.02
675
1.1
719
1.19
760
1.27
798
1.34
2600
478
0.77
533
0.88
587
0.98
637
1.06
683
1.15
726
1.24
767
1.32
805
1.39
2700
486
0.81
542
0.92
596
1.02
646
1.11
692
1.2
734
1.29
775
1.37
812
1.45
2800
495
0.85
552
0.96
606
1.07
655
1.16
700
1.25
742
1.34
782
1.42
819
1.5
2900
504
0.89
561
1.01
616
1.11
665
1.2
708
1.3
750
1.39
789
1.48
826
1.56
3000
514
0.93
572
1.05
626
1.16
674
1.26
717
1.35
758
1.45
797
1.54
833
1.62
Air
Volume
cfm
STATIC PRESSURE EXTERNAL TO UNIT − Inches Water Gauge
0.9
1
1.1
1.2
1.3
1.4
1.5
RPM
BHP
RPM
BHP
RPM
BHP
RPM
BHP
RPM
BHP
RPM
BHP
RPM
BHP
1900
796
1.13
830
1.19
862
1.25
893
1.32
922
1.39
950
1.46
978
1.54
2000
802
1.17
836
1.23
868
1.3
898
1.37
928
1.44
956
1.52
983
1.6
2100
808
1.22
842
1.28
874
1.35
904
1.42
933
1.5
961
1.58
988
1.66
2200
814
1.26
848
1.33
879
1.4
909
1.48
938
1.56
966
1.64
993
1.73
2300
820
1.31
854
1.38
885
1.46
915
1.53
943
1.62
971
1.7
998
1.79
2400
827
1.36
860
1.43
891
1.51
920
1.59
949
1.68
976
1.77
1003
1.86
2500
833
1.41
866
1.49
897
1.57
926
1.66
954
1.75
981
1.84
1008
1.93
2600
840
1.47
872
1.55
902
1.63
932
1.72
960
1.81
987
1.91
1013
2.01
2700
846
1.53
878
1.61
908
1.7
937
1.79
965
1.88
992
1.98
1018
2.08
2800
853
1.58
884
1.67
914
1.76
943
1.86
970
1.96
997
2.06
1023
2.16
2900
859
1.65
890
1.74
920
1.83
948
1.93
975
2.03
1002
2.14
1028
2.24
3000
866
1.71
896
1.8
926
1.9
954
2
981
2.11
1007
2.22
1032
2.33
