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882108-YIM-B-1012
Johnson Controls Unitary Products 55
TABLE 36: 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
2000 --- --- --- --- 524 0.3 609 0.4 685 0.6
3000 --- --- 450 0.4 531 0.5 605 0.7 672 0.8
4000 442 0.7 496 0.8 562 0.9 626 1.1 687 1.2
5000 524 1.2 566 1.4 609 1.5 663 1.7 717 1.8
6000 612 1.9 646 2.2 679 2.4 717 2.6 762 2.7
7000 703 3.0 731 3.3 759 3.5 787 3.7 820 4.0
8000 791 3.8 821 4.3 844 4.8 868 5.2 892 5.5
9000 877 5.8 911 6.2 932 6.5 953 6.9 974 7.3
10000 967 8.4 1004 8.8 1022 9.1 1041 9.4 1059 9.8
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
2000 754 0.7 819 0.8 878 0.9 933 1.1 986 1.2
3000 736 1.0 797 1.1 854 1.3 909 1.5 961 1.7
4000 743 1.4 799 1.5 850 1.7 900 1.9 948 2.1
5000 768 2.0 818 2.2 865 2.4 911 2.6 955 2.8
6000 806 2.9 850 3.1 895 3.3 937 3.6 978 3.8
7000 857 4.2 895 4.4 933 4.6 972 4.8 1010 5.0
8000 921 5.7 953 6.0 985 6.2 1018 6.5 1052 6.8
9000 995 7.6 1020 8.0 1048 8.3 1075 8.5 1103 8.8
10000 1077 10.1 1096 10.4 1119 10.8 1143 11.1 1167 11.4
1.
Fan performance is based on system/cabinet effects and back draft damper effects at standard air density and 0 feet of elevation.
2.
BHP includes 5% drive losses.