SSP-PRC001-EN
25
Performance Data
10 Tons Evaporator Fan Performance
s
Table 21. Evaporator Fan Performance 10 Tons TWE120A3, AW; TWE120B3, BW - Air Handler
External Static Pressure (Inches of Water Gauge)
.10"
.20"
.30"
.40"
.50"
.60"
.70"
.80"
.90"
1.00"
CFM
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
2 HP Standard Motor & Field Supplied
Low Static Drive
(i)
(i)
Field Supplied Low Static Drive (use
Table 22
)
2 HP Standard Motor & Sheaves
3200
—
—
—
—
570
0.67
603
0.75
636
0.83
670
0.91
703
1.00
736
1.08
756
1.14
784
1.2
3400
—
—
560
0.71
592
0.79
623
0.88
652
0.95
685
1.04
716
1.12
743
1.18
762
1.24
790
1.3
3600
557
0.77
583
0.84
613
0.92
643
1.01
667
1.07
700
1.16
730
1.23
750
1.27
768
1.34
797
1.41
3800
579
0.94
605
1.01
634
1.09
663
1.18
683
1.24
710
1.29
738
1.37
762
1.42
785
1.49
813
1.56
4000
602
1.11
628
1.17
656
1.26
683
1.35
698
1.40
720
1.43
747
1.5
773
1.58
801
1.64
829
1.71
4200
626
1.23
651
1.31
677
1.4
703
1.48
714
1.53
741
1.59
765
1.66
790
1.72
815
1.81
841
1.9
4400
649
1.36
674
1.45
698
1.53
723
1.62
729
1.65
761
1.76
784
1.81
807
1.87
830
1.98
852
2.09
4700
669
1.52
792
1.62
714
1.69
735
1.77
747
1.82
782
1.92
798
1.99
815
2.06
837
2.18
862
2.29
4800
689
1.69
711
1.79
729
1.85
746
1.92
764
1.98
802
2.09
812
2.17
822
2.24
844
2.39
872
2.48
3 HP Oversized Motor & Sheaves
External Static Pressure (Inches of Water Gauge)
1.20"
1.40"
1.60"
1.80"
2.00"
2.20"
2.40"
CFM
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
2 HP Standard Motor & Sheaves
3200
838
1.32
890
1.49
942
1.66 1001 1.84 1051 2.03 1106 2.24 1162 2.44
3400
844
1.43
895
1.59
948
1.80 1009 1.98 1057 2.17 1111 2.37 1165 2.57
3600
850
1.55
900
1.69
954
1.94 1016 2.13 1065 2.31 1115 2.51 1167
2.7
3800
861
1.72
911
1.87
959
2.15 1024 2.35 1070 2.54 1120 2.73 1169 2.92
4000
872
1.89
922
2.04
965
2.36 1031 2.57 1077 2.76 1124 2.95
—
—
4200
888
2.08
941
2.29
984
2.54 1039 2.73 1083 2.91 1129 3.10
—
—
4400
904
2.27
960
2.53 1003 2.71 1047 2.89 1090 3.06
—
—
—
—
4700
922
2.45
979
2.67 1020 2.86 1061 3.06
—
—
—
—
—
—
4800
939
2.64
997
2.8
1036 3.02
—
—
—
—
—
—
—
—
3 HP Oversized Motor & Sheaves
Notes:
1.
Data includes pressure drop due to wet coil and 1" filter.
2.
Fan motor heat (MBh) = 3.15 x BHP.
3.
Trane’s factory supplied motors, in commercial equipment, are definite purpose motors, specifically designed and tested to operate reliably and
continuously at all cataloged conditions. Using the full horsepower range of our fan motors as shown in our tabular data will not result in nuisance
tripping or premature motor failure. Our product’s warranty will not be affected.
Table 22. Low Static Fan Drive 10 Tons TWE120A3, AW; BE, BW Air Handler
(i)
(i)
Field supplied components required:
Blower Sheave: Fixed Pitch (8.8 inch Pitch Diameter)
Blower Sheave: 1.00 inch Bore, Single Groove, "A" Belt
Belt: A54
Motor Sheave Turns Open
Nominal RPM
0
745
1
706
2
666
3
627
4
588
5
549
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