Product data

51
FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)
LEGEND
*Standard motor drive range: 590 to 840 rpm. Alternate motor drive
range: 685 to 935 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 usable watts input is 2120 and maximum continuous
bhp is 2.40.
50TFQ008 (7
1
/
2
TONS)* — STANDARD MOTOR AND DRIVE AND ALTERNATE DRIVE (BELT DRIVE)
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
2250 511 0.52 539 592 0.74 708 659 0.95 875 722 1.19 1072 778 1.43 1275 829 1.68 1491
2300 518 0.55 562 599 0.77 731 665 0.98 899 727 1.22 1097 783 1.47 1310 834 1.72 1526
2400 534 0.61 607 613 0.84 787 677 1.06 965 738 1.30 1165 794 1.55 1378 844 1.81 1604
2500 549 0.67 653 627 0.90 835 690 1.14 1031 750 1.38 1233 805 1.64 1456 855 1.91 1691
2550 557 0.71 684 633 0.94 867 697 1.18 1064 756 1.42 1267 811 1.69 1499 861 1.96 1735
2600 565 0.74 708 639 0.97 891 703 1.22 1097 761 1.46 1301 816 1.74 1543 866 2.01 1779
2700 581 0.81 763 652 1.04 948 717 1.31 1173 773 1.55 1378 827 1.83 1621 878 2.12 1875
2800 597 0.89 827 665 1.12 1014 733 1.40 1250 786 1.66 1473 839 1.93 1709 889 2.23 1971
2900 613 0.97 891 679 1.20 1081 745 1.50 1335 799 1.76 1560 850 2.04 1805 900 2.34 2067
3000 629 1.06 965 694 1.29 1156 759 1.59 1413 812 1.88 1665 862 2.15 1901
911 2.46 2171
3100 646 1.15 1039 709 1.39 1241 772 1.70 1508 825 1.99 1761 875 2.28 2015
923 2.58 2275
3200 662 1.25 1123 724 1.50 1335 785 1.80 1595 840 2.11 1866
887 2.41 2128 934 2.71 2386
3300 679 1.35 1207 740 1.61 1430 798 1.91 1691 854 2.24 1980
900 2.54 2240 946 2.85 2504
3400 696 1.46 1301 756 1.73 1534 811 2.02 1788 868 2.37 2093
914 2.69 2369 959 3.00 2629
3500 712 1.57 1396 771 1.85 1639 824 2.14 1892
881 2.50 2206 928 2.84 2495 971 3.16 2759
3600 729 1.69 1499 787 1.98 1753 839 2.21 2006
894 2.64 2326 942 2.99 2620 984 3.22 2886
3700 746 1.85 1613 803 2.12 1875
854 2.42 2136 907 2.78 2445 956 3.15 2751 997 3.49 3017
3750 755 1.89 1674 811 2.20 1945
862 2.49 2197 914 2.85 2504 963 3.23 2815
50TFQ008 (7
1
/
2
TONS)* STANDARD MOTOR AND DRIVE AND ALTERNATE DRIVE (BELT DRIVE)
(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
2250 884 1.97 1744 9372.33 2058
947 2.66 2343 1022 3.10 2710
2300 885 2.00 1770 939 2.36 2084
979 2.69 2369 1025 3.12 2727
2400 892 2.08 1840 944 2.40 2119
987 2.76 2428 1039 3.20 2791
2500 902 2.18 1927
949 2.48 2188 1002 2.84 2495 1041 3.25 2831
2550 908 2.24 1980
953 2.53 2232 1003 2.87 2521 1045 3.28 2854
2600 913 2.29 2023
957 2.58 2275 1004 2.91 2554 1050 3.31 2878
2700 924 2.40 2120
967 2.70 2377 1010 3.01 2637 1056 3.37 2925
2800
935 2.52 2223 978 2.62 2479 1019 3.13 2735 1061 3.47 3002
2900
946 2.65 2335 989 2.96 2595 1030 3.27 2847
3000
957 2.78 2445 1000 3.09 2702 1040 3.41 2956
3100
968 2.91 2554 1011 3.24 2832
3200
980 3.04 2661 1022 3.38 2933
3300
991 3.18 2775
3400
1003 3.32 2886
3500
1014 3.48 3009
3600 —— —— —— ——
3700 —— —— —— ——
3750 —— —— —— ——
Bhp Brake Horsepower Input to Fan
Watts Input Watts to Motor
50TFQ004-01250TFQ004-012