Product data
54
FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)
LEGEND
*Motor drive range: 860 to 1080 rpm. All other rpms require field-
supplied drive.
Refer to page 65 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.
50TFQ009 (8
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
2550 559 0.72 6926340.97891 700 1.21 1089 759 1.48 1318 814 1.74 1543
2600 567 0.76 716 641 1.00 916 706 1.25 1123 764 1.52 1353 819 1.79 1587
2700 582 0.83 779 655 1.08 981 719 1.341199 776 1.61 14308311.89 1674
2800 5980.90835 670 1.17 1056 7321.43 1275 789 1.71 1517 842 2.00 1770
2900 614 0.98899 684 1.25 1123 745 1.53 1361 802 1.81 1604 854 2.11 1866
3000 6301.07 973 6901.35 1207 759 1.63 1147 816 1.92 1700 866 2.23 1971
3100 646 1.16 1047 714 1.45 1292773 1.74 1543 828 2.04 1805 878 2.35 2076
3200 662 1.26 1131729 1.55 1378 787 1.86 1648 841 2.16 1910 891 2.48 2188
3300 679 1.36 1216 744 1.66 1473 801 1.98 1753 854 2.29 2023 904 2.61 2300
3400 6951.471310 759 1.78 1578 816 2.10 1958 867 2.42 2136 917 2.75 2420
3500 712 1.59 1413 774 1.90 1683 8302.23 1971 881 2.56 2257 930 2.90 2546
3600 729 1.71 1517 7902.03 1796 845 2.372093 895 2.71 2386 943 3.05 2670
3700 745 1.84 1630 805 2.17 1919 860 2.52 2223 909 2.87 2521 956 3.22 2807
3750 754 1.911691813 2.24 1980 868 2.59 2283 917 2.95 2587 963 3.30 2870
3800 762 1.98 1753 821 2.31 2041 875 2.66 2343 924 3.03 2653 970 3.38 2933
3900 779 2.12 1875 836 2.46 2171 890 2.82 2479 938 3.19 2783 981 3.65 3209
4000 796 2.27 2006 852 2.61 2300 905 2.98 2612 953 3.37 2925
996 3.85 3390
4100 813 2.42 2136 868 2.78 2445 920 3.15 2751
974 3.74 3294 — — —
4200 8302.59 2283 884 2.95 2587 935 3.33 2894
990 3.96 3482 — — —
4250 839 2.68 2360 890 3.04 2661
965 3.88 3412 ——————
50TFQ009 (8
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
2550 864 2.01 1779 915 2.34 2067 968 2.81 2479 991 3.02 2654 1012 3.21 2827
2600 869 2.06 1823 918 2.37 2093 973 2.81 2487 996 3.02 2654 1017 3.21 2827
2700 880 2.17 1919 927 2.47 2180 976 2.84 2495 999 3.05 2682 1021 3.25 2857
2800 892 2.29 2023 938 2.58 2275 983 2.92 2562 1006 3.13 2758 1028 3.34 2938
2900 903 2.42 2136 949 2.71 2386 993 3.03 2653 1017 3.25 2862 1038 3.46 3048
3000 915 2.54 2240 961 2.85 2504 1003 3.17 2767 1027 3.40 2994 1049 3.62 3189
3100 926 2.67 2352 972 3.00 2629 1016 3.32 2886 1040 3.56 3136
1062 3.80 3340
3200 938 2.81 2470 983 3.14 2743 1026 3.47 3002
1050 3.72 3277 1073 3.97 3491
3300 950 2.95 2587 995 3.30 2870 1022 3.58 3146
1046 3.84 3377 1069 4.09 3597
3400 963 3.10 2710 1007 3.45 2987
1034 3.74 3289 1059 4.01 3530 — — —
3500 976 3.25 2831 1007 3.56 3137
1034 3.85 3399 1058 4.15 3648 — — —
3600 988 3.41 2956
1019 3.74 3292 1047 4.05 3566 ——————
3700 992 3.59 3161
1023 3.94 3467 —————————
3750 999 3.68 3240
1030 4.04 3554 —————————
3800
1006 3.77 3318 1038 4.14 3640 —————————
3900
1017 4.07 3580 ————————————
4000 ———————————————
4100 ———————————————
4200 ———————————————
4250 ———————————————
Bhp — Brake Horsepower Input to Fan
Watts — Input Watts to Motor
Performance data (cont)
50TFQ004-01250TFQ004-012