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APPENDIX III. FAN PERFORMANCE
Table 14 – 50TC*D17 VERTICAL SUPPLY / RETURN 15 TON
CFM
Available External Static Pressure (in. wg)
0.2 0.4 0.6 0.8 1.0
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
4500 436 0.60 530 0.90 611 1.22 684 1.57 751 1.94
4900 456 0.71 546 1.03 625 1.37 695 1.73 760 2.12
5250 473 0.83 560 1.16 637 1.51 706 1.89 770 2.30
5600 491 0.95 575 1.30 650 1.67 717 2.07 780 2.48
6000 513 1.11 593 1.48 665 1.87 731 2.28 792 2.71
6400 534 1.29 611 1.68 681 2.09 745 2.52 805 2.97
6750 553 1.46 628 1.87 696 2.29 758 2.74 817 3.20
7100 573 1.65 645 2.07 711 2.51 772 2.98 829 3.46
7500 595 1.88 665 2.33 729 2.79 788 3.27 844 3.77
CFM
Available External Static Pressure (in. wg)
1.2 1.4 1.6 1.8 2.0
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
4500 812 2.33 869 2.74 924 3.17 975 3.62 1024 4.08
4900 821 2.53 877 2.95 931 3.40 981 3.86 1030 4.34
5250 829 2.72 885 3.16 938 3.61 988 4.09 1036 4.57
5600 838 2.92 893 3.37 945 3.84 994 4.33 1042 4.83
6000 849 3.17 903 3.63 954 4.12 1003 4.62 1050 5.14
6400 861 3.43 914 3.92 964 4.42 1012 4.94 1058 5.47
6750 872 3.69 924 4.18 973 4.70 1021 5.23 1066 5.78
7100 883 3.95 934 4.47 983 5.00 1030 5.54 ---- ----
7500 897 4.28 947 4.81 995 5.36 1041 5.92 ---- ----
Std Static Motor and Drive - 514-680 RPM, Max BHP 2.29 Medium Static Motor and Drive - 679-863 RPM, Max BHP 3.3
High Static Motor and Drive - 826-1009 RPM, Max BHP 4.9 ---- Outside operating range
Boldface - Field Supplied Drive ITALIC - Field Supplied Motor and Drive
Table 15 – 50TC*D20 VERTICAL SUPPLY / RETURN 17.5 TON
CFM
Available External Static Pressure (in. wg)
0.2 0.4 0.6 0.8 1.0
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
5250 541 1.08 618 1.42 688 1.79 754 2.19 817 2.62
5700 573 1.31 645 1.67 712 2.06 775 2.48 835 2.93
6100 602 1.55 670 1.93 734 2.34 795 2.77 852 3.23
6500 631 1.81 696 2.21 757 2.64 815 3.09 871 3.57
7000 668 2.19 729 2.61 787 3.06 843 3.53 896 4.03
7500 706 2.62 763 3.06 819 3.54 871 4.03 922 4.55
7900 736 3.00 791 3.47 844 3.96 895 4.47 944 5.00
8300 767 3.42 819 3.90 870 4.41 919 4.94 967 5.49
8750 801 3.94 852 4.44 900 4.97 948 5.52 993 6.09
CFM
Available External Static Pressure (in. wg)
1.2 1.4 1.6 1.8 2.0
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
5250 876 3.08 932 3.56 986 4.07 1038 4.60 1088 5.15
5700 892 3.40 946 3.90 998 4.42 1049 4.96 1097 5.52
6100 907 3.72 960 4.23 1011 4.76 1060 5.31 1107 5.89
6500 924 4.07 975 4.59 1025 5.13 1072 5.70 1119 6.28
7000 947 4.55 996 5.09 1044 5.65 1090 6.23 1135 6.83
7500 971 5.08 1019 5.64 1064 6.22 1109 6.82 1152 7.44
7900 992 5.55 1038 6.13 1082 6.72 1126 7.34 ---- ----
8300 1013 6.06 1057 6.65 1101 7.26 ---- ---- ---- ----
8750 1038 6.68 1081 7.29 ---- ---- ---- ---- ---- ----
Std Static Motor and Drive - 622-822 RPM, Max BHP 3.3 Medium Static Motor and Drive - 713-879 RPM, Max BHP 4.9
High Static Motor and Drive - 882-1078 RPM, Max BHP 6.5 ---- Outside operating range
Boldface - Field Supplied Drive ITALIC - Field Supplied Motor and Drive