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Table 12 — Fan Performance 558F090,091 — Vertical Discharge Units; High-Static Motor (Belt Drive)*
LEGEND
*Motor drive range: 860 to 1080 rpm. All other rpms require field-
supplied drive.
NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 3.70.
3. See page 33 for general fan performance notes.
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
2250 511 0.53 492 591 0.73 680 660 0.95 885 722 1.19 1106 779 1.44 1342
2300
519 0.56 518 597 0.76 709 666 0.98 916 727 1.22 1140 784 1.48 1378
2400
534 0.61 571 611 0.82 768 678 1.05 982 739 1.30 1210 795 1.56 1453
2500
550 0.67 629 624 0.89 832 690 1.13 1051 750 1.38 1285 805 1.64 1533
2550
558 0.71 660 631 0.93 866 697 1.17 1088 756 1.42 1324 811 1.69 1574
2600
565 0.74 691 638 0.97 901 703 1.21 1125 762 1.46 1365 816 1.73 1617
2700
581 0.81 758 652 1.04 974 716 1.29 1204 774 1.55 1449 828 1.83 1707
2800
597 0.89 829 667 1.13 1051 729 1.38 1287 786 1.65 1538 839 1.93 1801
2900
613 0.97 905 681 1.22 1133 742 1.48 1376 799 1.75 1632 851 2.04 1900
3000
630 1.06 985 696 1.31 1220 756 1.58 1469 811 1.86 1731 863 2.15 2004
3100
646 1.15 1071 711 1.41 1313 770 1.68 1568 824 1.97 1835 875 2.27 2114
3200
663 1.25 1162 726 1.51 1411 784 1.79 1672 837 2.09 1944 888 2.39 2229
3300
679 1.35 1259 741 1.62 1514 798 1.91 1781 851 2.21 2060 900 2.52 2351
3400
696 1.46 1361 756 1.74 1623 812 2.03 1896 864 2.34 2181 913 2.66 2478
3500
713 1.58 1469 772 1.86 1737 827 2.16 2017 878 2.48 2308 926 2.80 2610
3600
729 1.70 1583 787 1.99 1857 841 2.30 2144 892 2.62 2441 939 2.95 2749
3700
746 1.83 1703 803 2.13 1985 856 2.44 2277 906 2.77 2580 953 3.10 2894
3750
755 1.89 1766 811 2.20 2051 864 2.52 2346 913 2.84 2653 959 3.18 2969
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
2250 832 1.71 1592 882 1.99 1855 928 2.29 2131 973 2.59 2420 1015 2.92 2720
2300
837 1.75 1630 886 2.03 1896 933 2.33 2174 977 2.64 2463 1020 2.97 2766
2400
847 1.83 1710 896 2.12 1980 942 2.43 2262 986 2.74 2556 1028 3.07 2861
2500
857 1.92 1794 905 2.22 2069 951 2.52 2355 995 2.84 2653 1037 3.18 2962
2550
862 1.97 1838 910 2.27 2114 956 2.58 2403 999 2.90 2704 1041 3.23 3014
2600
867 2.02 1884 915 2.32 2162 961 2.63 2453 1004 2.95 2755 1045 3.29 3068
2700
878 2.12 1978 926 2.42 2261 971 2.74 2556 1013 3.07 2862 1055 3.41 3180
2800
889 2.23 2077 936 2.54 2365 981 2.86 2664 1023 3.19 2975 1064 3.54 3297
2900
900 2.34 2181 947 2.65 2474 991 2.98 2778 1033 3.32 3094 1073 3.67 3419
3000
912 2.46 2290 958 2.78 2588 1001 3.11 2897 1043 3.45 3217 — — —
3100
923 2.58 2406 969 2.90 2708 1012 3.24 3022 1053 3.59 3347 — — —
3200
935 2.71 2526 980 3.04 2834 1023 3.38 3152 — — — — — —
3300
947 2.84 2652 992 3.18 2966 1034 3.53 3289 — — — — — —
3400
959 2.99 2785 1003 3.33 3103 1045 3.68 3432 — — — — — —
3500
972 3.13 2923 1015 3.48 3246 — — — — — — — — —
3600
984 3.29 3068 1027 3.64 3396 — — — — — — — — —
3700
997 3.45 3218 — — — — — — — — — — — —
3750
1004 3.54 3296 — — — — — — — — — — — —
Bhp — Brake Horsepower Input to Fan
Watts — Input Watts to Motor