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PERFORMANCE DATA (cont)
FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)
LEGEND
*Motor drive range: 685 to 935 rpm. All other rpms require field-supplied
drive.
NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 2.40.
3. See page 74 for General Fan Performance Notes.
580F120,121 (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 555 0.72 630 629 0.87 765 696 1.03 904 757 1.19 1048 814 1.36 1198
3100 568 0.78 686 641 0.94 825 706 1.10 968 766 1.27 1115 823 1.45 1269
3200 582 0.85 745 652 1.01 888 717 1.18 1035 776 1.35 1186 832 1.53 1343
3300 595 0.92 808 664 1.09 955 728 1.26 1106 786 1.44 1261 841 1.62 1421
3400 609 1.00 874 677 1.17 1026 739 1.35 1181 797 1.53 1340 851 1.71 1503
3500 623 1.08 945 689 1.25 1100 750 1.43 1259 807 1.62 1422 860 1.81 1589
3600 636 1.16 1019 702 1.34 1179 762 1.53 1341 817 1.72 1508 870 1.91 1679
3700 650 1.25 1097 714 1.44 1261 773 1.63 1428 828 1.82 1598 880 2.02 1772
3800 664 1.34 1179 727 1.54 1347 785 1.73 1518 839 1.93 1693 890 2.13 1870
3900 678 1.44 1266 740 1.64 1438 797 1.84 1613 850 2.04 1791 901 2.25 1973
4000 693 1.55 1356 753 1.75 1533 809 1.95 1712 861 2.16 1894 911 2.37 2080
4100 707 1.65 1451 766 1.86 1632 821 2.07 1816 873 2.28 2002 — — —
4200 721 1.77 1551 779 1.98 1736 833 2.19 1924 — — — — — —
4300 735 1.89 1656 792 2.10 1845 846 2.32 2037 — — — — — —
4400 750 2.01 1764 806 2.23 1958 — — — — — — — — —
4500 764 2.14 1879 819 2.37 2077 — — — — — — — — —
4600 779 2.28 1998 — — — — — — — — — — — —
4700 ———————————————
4800 ———————————————
4900 ———————————————
5000 ———————————————
580F120,121 (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 867 1.54 1353 918 1.72 1513 966 1.91 1680 1012 2.11 1852 1056 2.31 2029
3100 876 1.63 1427 926 1.81 1590 973 2.00 1760 1019 2.20 1934 —— —
3200 884 1.71 1504 934 1.90 1671 981 2.10 1843 1026 2.30 2020 —— —
3300 893 1.81 1586 942 2.00 1755 988 2.20 1931 1033 2.40 2111 —— —
3400 902 1.90 1671 950 2.10 1844 996 2.30 2022 —— — —— —
3500 911 2.01 1760 959 2.21 1937 —— — —— — —— —
3600 920 2.11 1854 967 2.32 2033 —— — —— — —— —
3700 929 2.22 1951 — — — — — — — — — — — —
3800 939 2.34 2053 ————————————
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