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54
PERFORMANCE DATA (cont)
FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)
LEGEND
*Motor drive range: 685 to 935 rpm. All other rpms require field-supplied
drive.
Refer to page 74 for general Fan Performance Data notes.
NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 2.40.
580F121 (10 TONS) — STANDARD 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 — — —
4100 764 1.76 1542 816 1.98 1741 865 2.21 1939 — — — — — —
4200 780 1.88 1648 831 2.11 1851 879 2.34 2054 — — — — — —
4300 796 2.00 1758 846 2.24 1966 — — — — — — — — —
4400 812 2.13 1874 861 2.38 2087 — — — — — — — — —
4500 828 2.27 1994 — — — — — — — — — — — —
4600 ———————————————
4700 ———————————————
4800 ———————————————
4900 ———————————————
5000 ———————————————
580F121 (10 TONS) — STANDARD 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 —— —
3300 909 1.88 1654 954 2.06 1811 998 2.24 1968 —— — —— —
3400 919 1.99 1749 964 2.18 1911 1007 2.36 2073 —— — —— —
3500 930 2.11 1848 975 2.30 2015 —— — —— — —— —
3600 941 2.22 1951 ————————————
3700 952 2.35 2058 ————————————
3800 ———————————————
3900 ———————————————
4000 ———————————————
4100 ———————————————
4200 ———————————————
4300 ———————————————
4400 ———————————————
4500 ———————————————
4600 ———————————————
4700 ———————————————
4800 ———————————————
4900 ———————————————
5000 ———————————————
Bhp — Brake Horsepower Input to Fan
Watts — Input Watts to Motor
580F036-151