Table 10 — Fan Performance 548D120 — Vertical Discharge Units
548D120 (10 TONS) — STANDARD AND ALTERNATE MOTORS (BELT DRIVE)
Airflow |
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| External Static Pressure (in. wg) |
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| 0.2 |
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| 0.4 |
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| 0.6 |
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| 0.8 |
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| 1.0 |
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| 1.2 |
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(Cfm |
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| 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 |
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548D120 (10 TONS) — STANDARD AND ALTERNATE MOTORS (BELT DRIVE) (cont) |
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Airflow |
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| External Static Pressure (in. wg) |
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| 1.4 |
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| 1.6 |
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| 1.8 |
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| 2.0 |
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(Cfm) |
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| Rpm | Bhp | Watts | Rpm | Bhp | Watts | Rpm | Bhp | Watts | Rpm | Bhp | Watts |
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3000 | 874 | 1.60 | 1422 | 926 | 1.82 | 1613 | 974 | 2.11 | 1920 | 1012 | 2.41 | 2134 |
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3100 | 880 | 1.68 | 1491 | 933 | 1.87 | 1656 | 983 | 2.16 | 1963 | 1017 | 2.44 | 2177 |
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3200 | 888 | 1.77 | 1569 | 934 | 1.94 | 1718 | 988 | 2.18 | 1980 | 1025 | 2.47 | 2230 |
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3300 | 897 | 1.86 | 1648 | 940 | 2.03 | 1853 | 989 | 2.24 | 2031 | 1032 | 2.53 | 2282 |
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3400 | 907 | 1.97 | 1744 | 947 | 2.14 | 1946 | 991 | 2.32 | 2099 | 1038 | 2.57 | 2318 |
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3500 | 916 | 2.07 | 1831 | 956 | 2.25 | 2039 |
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| 1043 | 2.64 | 2380 |
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997 | 2.43 | 2195 |
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3600 | 926 | 2.18 | 1927 |
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| 1004 | 2.54 | 2291 | 1045 | 2.74 | 2478 |
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966 | 2.41 | 2134 |
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3700 | 934 | 2.28 | 2015 | 976 | 2.48 | 2238 | 1013 | 2.66 | 2397 | 1051 | 2.85 | 2569 |
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3800 | 943 | 2.41 | 2160 | 985 | 2.60 | 2334 | 1023 | 2.79 | 2514 | 1059 | 2.98 | 2688 |
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3900 | 952 | 2.51 | 2265 | 994 | 2.72 | 2451 | 1032 | 2.92 | 2633 | 1068 | 3.12 | 2819 |
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4000 | 962 | 2.63 | 2371 | 1003 | 2.84 | 2560 | 1042 | 3.06 | 2763 | 1078 | 3.26 | 2952 |
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4100 | 973 | 2.77 | 2496 | 1011 | 2.97 | 2679 | 1051 | 3.20 | 2895 | 1087 | 3.41 | 3097 |
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4200 | 983 | 2.91 | 2624 | 1021 | 3.11 | 2810 | 1060 | 3.34 | 3029 | 1090 | 3.51 | 3276 |
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4300 | 994 | 3.05 | 2754 | 1031 | 3.25 | 2943 | 1068 | 3.48 | 3166 | 1097 | 3.70 | 3453 |
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4400 | 1004 | 3.19 | 2885 | 1042 | 3.41 | 3097 | 1080 | 3.63 | 3388 | 1105 | 3.91 | 3642 |
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4500 | 1015 | 3.33 | 2020 | 1051 | 3.45 | 3218 | 1090 | 3.75 | 3493 | 1112 | 4.12 | 3843 |
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4600 | 1025 | 3.48 | 3166 | 1060 | 3.61 | 3369 | 1100 | 3.92 | 3655 | 1119 | 4.35 | 4057 |
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4700 | 1037 | 3.58 | 3335 | 1070 | 3.84 | 3325 | 1111 | 4.10 | 3822 | 1126 | 4.59 | 4284 |
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4800 | 1048 | 3.75 | 3494 | 1080 | 3.95 | 3686 | 1121 | 4.28 | 3995 | 1133 | 4.85 | 4523 |
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4900 | 1060 | 3.92 | 3659 | 1089 | 4.13 | 3854 | 1132 | 4.48 | 4174 | 1140 | 5.12 | 4775 |
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5000 | 1072 | 4.11 | 3830 | 1099 | 4.32 | 4027 | 1144 | 4.67 | 4359 | 1147 | 5.40 | 5040 |
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LEGEND
Bhp — Brake Horsepower Input to Fan
Watts — Input Watts to Motor
NOTES:
1.Boldface indicates
2. indicates alternate motor and drive are required.
3. indicates
4.Maximum usable watts input is 2120 with standard motor and 2615 with alternate motor. Maximum continuous bhp is 2.40 with
standard motor and 2.90 with alternate motor. Extensive motor and electrical testing on these units ensures that the full range of the motor can be utilized with confidence. Using your fan motors up to the wattage ratings shown will not result in nuisance tripping or premature motor failure. Unit warranty will not be affected.
5.Values include losses for filters, unit casing, and wet coils.
6.Use of a
7.Standard motor drive range: 685 to 935 rpm. Alternate motor drive
range: 835 to 1085 rpm. All other rpms require
8.Interpolation is permissible. Do not extrapolate.