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PERFORMANCE DATA — 548F (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 27 General Fan Performance Notes.
NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 5.25.
548F120 (10 TONS) — HIGH-STATIC MOTOR AND 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 556 0.65 604 623 0.80 748 684 0.95 891 738 1.11 1034 789 1.26 1177
3100 569 0.70 656 636 0.86 805 695 1.02 953 749 1.18 1100 799 1.34 1249
3200 583 0.76 712 648 0.93 865 707 1.09 1018 760 1.26 1170 809 1.42 1323
3300 597 0.83 770 661 1.00 929 718 1.17 1086 771 1.33 1244 820 1.50 1401
3400 611 0.89 832 674 1.07 996 730 1.24 1158 782 1.42 1320 831 1.59 1483
3500 625 0.96 898 687 1.14 1066 742 1.32 1233 794 1.50 1400 841 1.68 1567
3600 639 1.04 967 700 1.22 1140 754 1.41 1312 805 1.59 1484 852 1.78 1656
3700 654 1.11 1040 713 1.31 1218 767 1.50 1395 817 1.69 1571 863 1.87 1748
3800 668 1.20 1116 726 1.39 1299 779 1.59 1481 828 1.78 1662 874 1.98 1844
3900 683 1.28 1197 739 1.48 1385 792 1.69 1572 840 1.88 1758 886 2.08 1943
4000 697 1.37 1281 753 1.58 1474 804 1.79 1666 852 1.99 1857 897 2.20 2048
4100 712 1.47 1370 766 1.68 1567 817 1.89 1764 864 2.10 1960 909 2.31 2155
4200 726 1.57 1462 780 1.79 1665 830 2.00 1866 876 2.22 2067 920 2.43 2268
4300 741 1.67 1559 794 1.89 1767 843 2.12 1973 889 2.34 2179 932 2.56 2384
4400 755 1.78 1660 807 2.01 1873 856 2.23 2084 901 2.46 2295 944 2.69 2505
4500 770 1.89 1766 821 2.13 1984 869 2.36 2200 914 2.59 2415 956 2.82 2630
4600 785 2.01 1876 835 2.25 2099 882 2.49 2320 926 2.72 2541 968 2.96 2760
4700 800 2.14 1991 849 2.38 2219 895 2.62 2445 939 2.86 2670 980 3.10 2895
4800 815 2.26 2111 863 2.51 2344 909 2.76 2575 952 3.01 2805 993 3.25 3034
4900 829 2.40 2235 877 2.65 2473 922 2.91 2709 965 3.16 2944 1005 3.41 3178
5000 844 2.54 2365 891 2.80 2608 936 3.06 2849 978 3.31 3089 1018 3.57 3328
548F120 (10 TONS) — HIGH-STATIC MOTOR AND 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 836 1.42 1322 881 1.57 1467 923 1.73 1613 963 1.89 1761 1001 2.05 1909
3100 846 1.50 1398 890 1.66 1547 932 1.82 1698 972 1.98 1849 1010 2.15 2002
3200 856 1.58 1477 899 1.75 1631 941 1.92 1786 980 2.08 1942 1018 2.25 2099
3300 866 1.67 1559 909 1.84 1718 950 2.01 1878 989 2.19 2038 1027 2.36 2199
3400 876 1.76 1645 919 1.94 1808 960 2.12 1972 998 2.29 2137 1036 2.47 2303
3500 886 1.86 1734 929 2.04 1902 969 2.22 2071 1008 2.40 2240 1045 2.58 2410
3600 897 1.96 1827 939 2.14 2000 979 2.33 2173 1017 2.52 2347 1054 2.70 2521
3700 907 2.06 1924 949 2.25 2101 989 2.44 2279 1027 2.63 2457 1063 2.83 2636
3800 918 2.17 2025 959 2.37 2207 999 2.56 2389 1036 2.76 2571 1073 2.95 2755
3900 929 2.28 2130 970 2.48 2316 1009 2.68 2502 1046 2.88 2690 1082 3.09 2877
4000 940 2.40 2238 980 2.61 2429 1019 2.81 2620 1056 3.02 2812 1092 3.22 3004
4100 951 2.52 2351 991 2.73 2547 1029 2.94 2743 1066 3.15 2939 1102 3.36 3136
4200 962 2.65 2468 1002 2.86 2668 1040 3.08 2869 1076 3.29 3070 1112 3.51 3271
4300 973 2.78 2589 1013 3.00 2794 1050 3.22 2999 1087 3.44 3205 1122 3.66 3411
4400 985 2.91 2715 1024 3.14 2924 1061 3.36 3134 1097 3.59 3345 1132 3.81 3555
4500 996 3.05 2845 1035 3.28 3059 1072 3.51 3274 1108 3.74 3489 1142 3.97 3704
4600 1008 3.20 2979 1046 3.43 3199 1083 3.67 3418 1118 3.90 3638 1152 4.14 3857
4700 1020 3.34 3119 1058 3.58 3343 1094 3.83 3567 1129 4.07 3792 1163 4.31 4016
4800 1032 3.50 3263 1069 3.74 3492 1105 3.99 3721 1140 4.24 3950 1174 4.48 4179
4900 1044 3.66 3413 1081 3.91 3646 1117 4.16 3880 1151 4.41 4113 1184 4.66 4347
5000 1056 3.82 3566 1093 4.08 3805 1128 4.34 4044 1162 4.59 4282 1195 4.85 4520
Bhp — Brake Horsepower Input to Fan
Watts — Input Watts to Motor
548F