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PERFORMANCE DATA (cont)
FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)
LEGEND
*Standard motor drive range: 685 to 935 rpm. Alternate motor drive
range: 835 to 1085 rpm. High-static motor drive range is 830 to
1130 rpm. All other rpms require field-supplied drive.
Refer to page 51 for general Fan Performance notes.
NOTES:
1.
Boldface
indicates high-static motor and drive are required.
2. Maximum usable watts input is 2120 with standard motor,
2615 with alternate motor, and 4400 for the high-static motor. Max-
imum continuous bhp is 2.40 with standard motor, 2.90 with alter-
nate motor, and 5.25 for the high-static motor.
548F120 (10 TONS)*
Airflow
(Cfm
External Static Pressure (in. wg)
0.2 0.4 0.6 0.8 1.0 1.2
Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts
3000
532 0.64 630 605 0.81 763 670 0.97 891 725 1.12 1014 778 1.28 1148 825 1.43 1275
3100
544 0.70 677 616 0.86 803 680 1.03 940 735 1.20 1081 787 1.36 1216 835 1.52 1353
3200
557 0.75 716 628 0.93 859 690 1.10 998 746 1.28 1148 796 1.44 1284 844 1.61 1430
3300
570 0.81 763 639 0.99 907 700 1.18 1064 757 1.36 1216 805 1.52 1353 854 1.70 1508
3400
583 0.88 818 651 1.06 965 711 1.25 1123 767 1.44 1284 815 1.61 1430 863 1.79 1587
3500
596 0.94 867 663 1.14 1031 721 1.33 1190 777 1.52 1353 826 1.71 1517 871 1.88 1665
3600
609 1.01 924 674 1.22 1097 732 1.42 1267 787 1.61 1430 836 1.80 1595 880 1.98 1753
3700
622 1.09 989 686 1.30 1165 744 1.50 1335 797 1.70 1508 847 1.91 1691 890 2.09 1849
3800
635 1.16 1047 698 1.39 1241 755 1.59 1413 808 1.80 1595 857 2.01 1779 901 2.20 1945
3900
649 1.25 1123 713 1.48 1318 767 1.68 1491 818 1.90 1683 867 2.11 1866 912 2.32 2050
4000
662 1.33 1190 722 1.57 1396 778 1.78 1578 829 2.01 1779 878 2.22 1962 922 2.44 2203
4100
675 1.42 1267 734 1.67 1482 790 1.89 1674 839 2.12 1875 888 2.33 2058 933 2.56 2309
4200
689 1.52 1353 746 1.77 1569 801 1.99 1761 851 2.23 1971 898 2.45 2212 943 2.69 2424
4300
702 1.61 1430 759 1.88 1665 813 2.11 1866 862 2.34 2067 908 2.58 2326 953 2.81 2533
4400
715 1.72 1526 772 1.99 1761 825 2.22 1962 873 2.46 2221 919 2.71 2442
963 2.94 2651
4500
729 1.83 1621 785 2.10 1858 837 2.35 2076 885 2.59 2335 929 2.85 2569
973 3.08 2782
4600
742 1.94 1718 797 2.22 1962 848 2.48 2238 896 2.72 2451
940 2.98 2688 984 3.22 2914
4700
756 2.06 1823 810 2.34 2067 860 2.61 2353 908 2.86 2578
951 3.12 2727 994 3.38 3068
4800
770 2.18 1927 823 2.46 2221 872 2.75 2505
919 3.00 2707 963 3.27 2847 1003 3.43 3202
4900
783 2.31 2041 836 2.60 2344 884 2.89 2605
931 3.14 2838 974 3.41 2956 1013 3.59 3349
5000
797 2.44 2203 849 2.73 2460
897 3.04 2661 943 3.30 2870 984 3.44 3211 1023 3.75 3501
548F120 (10 TONS)* (cont)
Airflow
(Cfm)
External Static Pressure (in. wg)
1.4 1.6 1.8 2.0
Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts
3000
874 1.60 1422 926 1.82 1613 974 2.11 1920 1012 2.41 2134
3100
880 1.68 1491 933 1.87 1656 983 2.16 1963 1017 2.44 2177
3200
888 1.77 1569 934 1.94 1718 988 2.18 1980 1025 2.47 2230
3300
897 1.86 1648 940 2.03 1853 989 2.24 2031 1032 2.53 2282
3400
907 1.97 1744 947 2.14 1946 991 2.32 2099 1038 2.57 2318
3500
916 2.07 1831 956 2.25 2039 997 2.43 2195 1043 2.64 2380
3600
926 2.18 1927 966 2.41 2134 1004 2.54 2291 1045 2.74 2478
3700
934 2.28 2015 976 2.48 2238 1013 2.66 2397 1051 2.85 2569
3800
943 2.41 2160 985 2.60 2334 1023 2.79 2514
1059 2.98 2688
3900
952 2.51 2265 994 2.72 2451
1032 2.92 2633 1068 3.12 2819
4000
962 2.63 2371 1003 2.84 2560
1042 3.06 2763 1078 3.26 2952
4100
973 2.77 2496
1011 2.97 2679 1051 3.20 2895 1087 3.41 3097
4200 983 2.91 2624 1021 3.11 2810 1060 3.34 3029 1090 3.51 3276
4300 994 3.05 2754 1031 3.25 2943 1068 3.48 3166 1097 3.70 3453
4400 1004 3.19 2885 1042 3.41 3097 1080 3.63 3388 1105 3.91 3642
4500 1015 3.33 2020 1051 3.45 3218 1090 3.75 3493 1112 4.12 3843
4600 1025 3.48 3166 1060 3.61 3369 1100 3.92 3655 1119 4.35 4057
4700 1037 3.58 3335 1070 3.84 3325 1111 4.10 3822 1126 4.59 4284
4800 1048 3.75 3494 1080 3.95 3686 1121 4.28 3995 1133 4.85 4523
4900 1060 3.92 3659 1089 4.13 3854 1132 4.48 4174 1140 5.12 4775
5000 1072 4.11 3830 1099 4.32 4027 1144 4.67 4359
———
Bhp —
Brake Horsepower Input to Fan
Watts —
Input Watts to Motor
50TFQ004-012
548F036-120