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PERFORMANCE DATA (cont)
FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)
LEGEND
*Motor drive range: 830 to 1130 rpm. All other rpms require field-supplied
drive.
Refer to page 70 for general Fan Performance Data notes.
NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 5.25.
580F121 (10 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)*
Airflow
(Cfm)
External Static Pressure (in. wg)
0.2 0.4 0.6 0.8 1.0
Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts
3000 592 0.77 672 658 0.93 817 719 1.10 961 775 1.26 1105 828 1.42 1249
3100 607 0.83 731 672 1.00 881 731 1.17 1030 787 1.34 1179 839 1.51 1328
3200 623 0.90 794 686 1.08 949 744 1.26 1103 798 1.43 1257 850 1.61 1410
3300 638 0.98 860 700 1.16 1020 757 1.34 1179 810 1.52 1338 861 1.71 1496
3400 653 1.06 931 714 1.25 1095 770 1.44 1260 822 1.62 1423 872 1.81 1586
3500 669 1.15 1005 728 1.34 1175 783 1.53 1344 835 1.72 1512 884 1.91 1680
3600 685 1.23 1084 742 1.43 1258 796 1.63 1432 847 1.83 1606 895 2.03 1778
3700 700 1.33 1167 757 1.53 1346 810 1.74 1524 860 1.94 1703 907 2.14 1881
3800 716 1.43 1254 771 1.64 1438 823 1.85 1621 873 2.06 1805 919 2.26 1987
3900 732 1.53 1345 786 1.75 1534 837 1.96 1722 886 2.18 1911 932 2.39 2099
4000 748 1.64 1441 801 1.86 1635 851 2.08 1828 899 2.30 2022 944 2.52 2214
4100 764 1.76 1542 816 1.98 1741 865 2.21 1939 912 2.43 2137 957 2.66 2334
4200 780 1.88 1648 831 2.11 1851 879 2.34 2054 925 2.57 2257 969 2.80 2460
4300 796 2.00 1758 846 2.24 1966 894 2.48 2175 939 2.71 2382 982 2.95 2589
4400 812 2.13 1874 861 2.38 2087 908 2.62 2299 952 2.86 2512 995 3.10 2725
4500 828 2.27 1994 877 2.52 2212 922 2.77 2430 966 3.02 2648 1008 3.26 2865
4600 845 2.42 2120 892 2.67 2343 937 2.92 2566 980 3.18 2788 1022 3.43 3010
4700 861 2.57 2251 907 2.82 2479 952 3.08 2706 994 3.34 2934 1035 3.60 3161
4800 877 2.72 2388 923 2.99 2621 966 3.25 2853 1008 3.52 3086 1049 3.78 3317
4900 894 2.88 2531 938 3.15 2768 981 3.42 3005 1022 3.69 3242 1062 3.96 3479
5000 910 3.05 2679 954 3.33 2921 996 3.60 3163 1037 3.88 3405 1076 4.15 3647
580F121 (10 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)* (cont)
Airflow
(Cfm)
External Static Pressure (in. wg)
1.2 1.4 1.6 1.8 2.0
Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts
3000 878 1.59 1391 925 1.75 1534 970 1.91 1676 1014 2.07 1817 1055 2.23 1958
3100 888 1.68 1475 935 1.85 1623 979 2.02 1769 1022 2.18 1916 1063 2.35 2062
3200 898 1.78 1563 944 1.95 1715 988 2.13 1867 1031 2.30 2018 1072 2.47 2169
3300 909 1.88 1654 954 2.06 1811 998 2.24 1968 1040 2.42 2124 1080 2.60 2280
3400 919 1.99 1749 964 2.18 1911 1007 2.36 2073 1049 2.55 2234 1089 2.73 2395
3500 930 2.11 1848 975 2.30 2015 1017 2.49 2182 1058 2.68 2348 1098 2.86 2514
3600 941 2.22 1951 985 2.42 2123 1027 2.61 2295 1068 2.81 2466 1107 3.00 2637
3700 952 2.35 2058 996 2.55 2236 1038 2.75 2412 1078 2.95 2588 1117 3.15 2764
3800 964 2.47 2170 1007 2.68 2352 1048 2.89 2534 1088 3.09 2715 1126 3.30 2895
3900 976 2.60 2286 1018 2.82 2473 1059 3.03 2660 1098 3.24 2846 1136 3.45 3031
4000 987 2.74 2407 1029 2.96 2598 1069 3.18 2790 1108 3.40 2981 1146 3.61 3171
4100 999 2.88 2532 1041 3.11 2729 1080 3.33 2925 1119 3.56 3121 1156 3.78 3316
4200 1012 3.03 2662 1052 3.26 2863 1092 3.49 3065 1130 3.72 3266 1167 3.95 3466
4300 1024 3.19 2796 1064 3.42 3003 1103 3.66 3210 1141 3.89 3415 1177 4.13 3621
4400 1036 3.35 2937 1076 3.59 3148 1114 3.83 3359 1152 4.07 3570 1188 4.31 3781
4500 1049 3.51 3082 1088 3.76 3298 1126 4.00 3514 1163 4.25 3730 1199 4.50 3945
4600 1062 3.68 3232 1100 3.94 3454 1138 4.19 3675 1174 4.44 3895 1210 4.69 4116
4700 1075 3.86 3387 1113 4.12 3614 1150 4.38 3840 1186 4.63 4065 1221 4.89 4291
4800 1088 4.04 3549 1125 4.31 3780 1162 4.57 4011 1198 4.83 4241 —— —
4900 1101 4.23 3716 1138 4.50 3951 1174 4.77 4188 —— — —— —
5000 1114 4.43 3888 1151 4.70 4129 1187 4.98 4370 —— — —— —
Bhp — Brake Horsepower Input to Fan
Watts — Input Watts to Motor
580F036-151