York Y33 User Manual
246653-YTG-E-0108
Johnson Controls Unitary Products
57
TABLE 43: POWER EXHAUST - ONE FORWARD CURVED FAN 25 TON
1
AIRFLOW CFM
AVAILABLE EXTERNAL STATIC PRESSURE (IWG)
0.2
0.4
0.6
0.8
1.0
RPM
BHP
2
RPM
BHP
2
RPM
BHP
2
RPM
BHP
2
RPM
BHP
2
4000
442
0.66
496
0.78
562
0.91
626
1.05
687
1.22
5000
524
1.21
566
1.35
609
1.50
663
1.66
717
1.83
6000
612
1.93
646
2.18
679
2.36
717
2.55
762
2.73
7000
703
3.00
731
3.32
759
3.54
787
3.75
820
3.97
8000
791
3.81
821
4.29
844
4.77
868
5.24
892
5.49
9000
877
5.81
911
6.17
932
6.53
953
6.90
974
7.27
10000
967
8.42
1004
8.76
1022
9.09
1041
9.43
1059
9.77
AIRFLOW CFM
AVAILABLE EXTERNAL STATIC PRESSURE (IWG)
1.2
1.4
1.6
1.8
2.0
RPM
BHP
2
RPM
BHP
2
RPM
BHP
2
RPM
BHP
2
RPM
BHP
2
4000
743
1.39
799
1.54
850
1.74
900
1.93
948
2.14
5000
768
2.00
818
2.18
865
2.39
911
2.60
955
2.81
6000
806
2.92
850
3.10
895
3.33
937
3.57
978
3.80
7000
857
4.18
895
4.40
933
4.61
972
4.83
1010
5.04
8000
921
5.74
953
6.00
985
6.25
1018
6.50
1052
6.75
9000
995
7.63
1020
7.97
1048
8.25
1075
8.54
1103
8.81
10000
1077
10.10
1096
10.44
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1.
Fan performance is based on system/cabinet effects and back draft damper effects at standard air density and 0 feet elevation.
2.
BHP includes 5% drive losses.