Product data
64
FAN PERFORMANCE — HORIZONTAL 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 550 0.69 669 627 0.94 867 692 1.17 1056 754 1.45 1292 812 1.74 1543
2660 557 0.72 6926340.97891698 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 1.381233 782 1.66 1473 8371.98 1753
2900 604 0.94 867 676 1.21 1089 7371.481318 794 1.76 1560 848 2.08 1840
3000 620 1.02 9326901.30 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 1.80 15958312.09 1849 882 2.40 2119
3300 668 1.31 1173 7321.59 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 1910 871 2.48 2188 919 2.80 2462
3600 717 1.65 1465 777 1.94 1718 8352.29 2023 885 2.63 2317 932 2.95 2587
3700 733 1.77 1569 7922.071831849 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
3800 750 1.90 1683 807 2.21 1954 863 2.56 2257 914 2.93 2571 958 3.28 2854
3900 767 2.04 1805 822 2.35 2076 877 2.71 2386 928 3.09 2702 972 3.45 2987
4000 783 2.18 1927 838 2.50 2206 891 2.86 2512 942 3.26 2839 986 3.63 3121
4100 800 2.34 2067 854 2.66 2343 905 3.02 2645 956 3.43 2971
1000 3.81 3251
4200 817 2.49 2197 869 2.82 2479 920 3.19 2783 970 3.60 3099
1015 4.00 3380
4250 826 2.58 2275 877 2.91 2554 928 3.28 2854 977 3.69 3165
1022 4.10 3445
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 1.99 1761 920 2.39 2110 974 2.76 2428 1005 3.04 2672 1034 3.31 2910
2660 868 2.04 1805 921 2.41 2136 976 2.78 2445 1008 3.06 2691 1037 3.33 2931
2700 878 2.16 1910 928 2.45 2162 983 2.88 2529 1015 3.17 2788 1044 3.45 3036
2800 889 2.29 2023 937 2.57 2266 986 2.91 2554 1018 3.20 2817 1047 3.49 3068
2900 900 2.41 2128 947 2.70 2377 993 3.01 2637 1025 3.31 2914 1055 3.61 3174
3000 910 2.52 2223 958 2.85 2504 1002 3.15 2751 1034 3.47 3049
1064 3.77 3321
3100 920 2.64 2326 968 2.99 2620 1012 3.30 2870 1045 3.63 3195
1075 3.95 3479
3200 931 2.76 2428 979 3.13 2735 1023 3.47 3002
1056 3.82 3359 1087 4.16 3659
3300 942 2.89 2537 989 3.26 2839 1034 3.63 3121
1067 3.99 3514 — — —
3400 954 3.02 2645 1000 3.40 2948
1044 3.79 3237 1078 4.17 3669 — — —
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 — — — — — — — — —
3800 1003 3.62 3114
1045 4.01 3387 — — — — — — — — —
3900
1015 3.80 3244 1057 4.18 3495 — — — — — — — — —
4000
1028 3.99 3373 — — — — — — — — — — — —
4100
1042 4.18 3495 — — — — — — — — — — — —
4200 —— — —— — —— — —— — —— —
4250 —— — —— — —— — —— — —— —
Bhp — Brake Horsepower Input to Fan
Watts — Input Watts to Motor
Performance data (cont)
50TFQ004-01250TFQ004-012