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PERFORMANCE DATA (cont)
FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)
LEGEND
*Motor drive range: 860 to 1080 rpm. All other rpms require field-
supplied drive.
Refer to page 51 for general Fan Performance notes.
NOTES:
1.
Boldface
indicates field-supplied drive is required.
2. indicates field-supplied motor and drive are required.
3. Maximum continuous bhp is 3.7 and the maximum continuous watts
are 3313.
548F090 (7
1
/
2
TONS) — HIGH-STATIC 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
2250 507 0.53 547 586 0.73 700 658 0.97 891 722 1.22 1097 783 1.46 1301
2300 513 0.55 562 592 0.76 723 663 1.00 916 727 1.26 1131 786 1.49 1327
2400 528 0.60 600 606 0.83 779 674 1.06 965 738 1.34 1199 795 1.58 1404
2500 542 0.68 648 619 0.90 835 686 1.13 1022 748 1.41 1258 806 1.68 1491
2550 550 0.69 669 627 0.94 867 692 1.17 1056 754 1.45 1292 812 1.74 1543
2660 557 0.72 692 634 0.97 891 698 1.21 1089 759 1.49 1327 816 1.79 1587
2700 573 0.79 747 648 1.05 956 711 1.29 1156 770 1.58 1404 827 1.88 1665
2800 588 0.86 803 662 1.13 1022 723 1.38 1233 782 1.66 1473 837 1.98 1763
2900 604 0.94 867 676 1.21 1089 737 1.48 1318 794 1.76 1560 849 2.08 1840
3000 620 1.02 932 690 1.30 1165 750 1.58 1404 806 1.86 1648 849 2.18 1927
3100 636 1.11 1006 704 1.39 1241 764 1.69 1499 818 1.97 1744
870 2.29 2023
3200 652 1.21 1089 718 1.49 1327 778 1.90 1595 831 2.09 1849
882 2.40 2119
3300 668 1.31 1173 732 1.59 1413 793 1.92 1700 844 2.21 1954
894 2.53 2232
3400 684 1.41 1258 747 1.70 1508 807 2.04 1805 857 2.35 2076
907 2.66 2343
3500 701 1.53 1361 762 1.82 1613 821 2.16 1010
871 2.48 2188 919 2.80 2462
3600 717 1.65 1465 777 1.94 1718 835 2.29 2023
885 2.63 2317 932 2.95 2587
3700 733 1.77 1569 792 2.07 1831 849 2.42 2136
899 2.78 2445 945 3.11 2718
3750 742 1.84 1630 800 2.14 1892 856 2.49 2197
907 2.86 2512 952 3.20 2719
548F090 (7
1
/
2
TONS) — HIGH-STATIC 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
2250 843 1.81 1604
908 2.25 1989 955 2.59 2283 991 2.89 2543 1023 3.19 2805
2300 846 1.84 1630
910 2.25 2015 959 2.61 2300 995 2.91 2563 1028 3.21 2827
2400 853 1.88 1665
912 2.31 2041 967 2.68 2360 1003 2.99 2631 1036 3.30 2902
2500 859 1.94 1718
919 2.37 2093 971 2.73 2403 1007 3.05 2681 1041 3.36 2956
2550
864 1.99 1761 920 2.39 2110 974 2.76 2428 1010 3.08 2710 1044 3.40 2989
2660
868 2.04 1805 921 2.41 2136 976 2.78 2445 1012 3.10 2730 1046 3.42 3011
2700
878 2.16 1910 928 2.45 2162 983 2.88 2529 1020 3.21 2828 1053 3.54 3119
2800
889 2.29 2023 937 2.57 2266 986 2.91 2554 1023 3.25 2857 1057 3.58 3181
2900
900 2.41 2128 947 2.70 2377 993 3.01 2637 1030 3.36 2955 1064 3.70 3260
3000
910 2.52 2223 958 2.85 2504 1002 3.15 2751 1039 3.51 3093
1074 3.88 3411
3100
920 2.64 2326 968 2.99 2620 1012 3.30 2870 1050 3.68 3240
1084 4.06 3574
3200
931 2.76 2428 979 3.13 2735 1023 3.47 3002
1061 3.87 3407 —— —
3300
942 2.89 2537 989 3.26 2839 1034 3.63 3121
1072 4.05 3564 —— —
3400
954 3.02 2645 1000 3.40 2948
1044 3.79 3237 —— — —— —
3500
966 3.15 2751 1011 3.55 3062
1054 3.94 3340 —— — —— —
3600
978 3.30 2870 1022 3.69 3165
1065 4.10 3445 —— — —— —
3700
990 3.45 2987
1034 3.84 3272 —— — —— — —— —
3750
997 3.54 3055
1040 3.93 3333 —— — —— — —— —
Bhp —
Brake Horsepower Input to Fan
Watts —
Input Watts to Motor
50TFQ004-012
548F036-120