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PERFORMANCE DATA (cont)
FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)
LEGEND
*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 51 for general Fan Performance notes.
NOTES:
1.
Boldface
indicates field-supplied drive is required.
2. indicates high-static motor and drive are required.
3. Maximum usable watts input is 2120 and maximum continuous bhp
is 2.40.
548F090 (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
Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts
2250 465 0.43 473 554 0.64 630
630 0.86 803 695 1.09 989 757 1.34 1199
2300 471 0.45 487 559 0.66 646
635 0.89 827 699 1.12 1014 760 1.37 1224
2400 482 0.50 524 569 0.71 684
645 0.95 875 708 1.18 1064 768 1.44 1284
2500 494 0.54 554 581 0.76 723
654 1.01 924 717 1.25 1123 776 1.51 1344
2550 501 0.57 577 587 0.79 747
659 1.05 956 722 1.29 1156 780 1.55 1378
2660 507 0.59 592
592 0.82 771 663 1.08 981 727 1.32 1182 784 1.58 1404
2700 520 0.65 638
604 0.89 827 672 1.14 1031 737 1.40 1250 793 1.66 1473
2800 533 0.71 684
615 0.95 875 683 1.20 1081 747 1.49 1327 802 1.75 1552
2900 546 0.77 731
626 1.02 932 693 1.27 1140 756 1.57 1396 813 1.84 1630
3000 559 0.83 779
637 1.09 989 704 1.35 1207 765 1.66 1473 823 1.94 1718
3100 572 0.90 835
648 1.17 1056 715 1.43 1275 775 1.74 1543 832 2.05 1814
3200 585 0.96 883
660 1.24 1114 727 1.52 1353 785 1.83 1321 841 2.15 1901
3300
598 1.03 940 671 1.32 1182 739 1.62 1439 795 1.91 1691 851 2.26 1997
3400
610 1.10 998 682 1.41 1258 750 1.72 1526 806 2.01 1779 860 2.36 2084
3500
623 1.17 1056 694 1.50 1335 761 1.82 1613 817 2.11 1866
870 2.47 2180
3600
636 1.25 1123 707 1.60 1422 772 1.93 1709 828 2.23 1971
880 2.57 2266
3700
649 1.33 1190 720 1.71 1517 783 2.03 1796 840 2.35 2076
890 2.69 2369
3750
655 1.37 1224 727 1.77 1569 789 2.09 1849
846 2.42 2136 896 2.75 2420
548F090 (7
1
/
2
TONS) — STANDARD MOTOR AND DRIVE AND ALTERNATE DRIVE (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
810 1.62 1439 850 1.91 1691 873 2.20 1945
883 2.50 2206 895 2.78 2445
2300
816 1.65 1465 859 1.94 1718 888 2.24 1980
903 2.55 2249 911 2.85 2504
2400
824 1.72 1526 872 2.01 1779 909 2.32 2050
931 2.64 2326 935 2.96 2595
2500
832 1.79 1587 882 2.09 1849 925 2.40 2119
955 2.72 2394 972 3.06 2678
2550
836 1.83 1621 887 2.13 1884
931 2.45 2162 964 2.77 2436 986 3.11 2718
2660
839 1.87 1656 891 2.17 1919
936 2.49 2197 973 2.82 2479 999 3.16 2759
2700
846 1.95 1726 898 2.26 1997
946 2.58 2275 987 2.91 2554 1019 3.26 2839
2800
855 2.04 1805 906 2.35 2076
954 2.67 2352 997 3.01 2637 1034 3.36 2917
2900
863 2.13 1884
913 2.44 2154 961 2.77 2436 1006 3.12 2727 —— —
3000
872 2.22 1962
921 2.54 2240 969 2.88 2529 1014 3.22 2807 —— —
3100
882 2.33 2058
930 2.65 2335 976 2.99 2620 1021 3.34 2902 —— —
3200
892 2.45 2162 939 2.76 2428 984 3.10 2710 —— — —— —
3300
902 2.57 2266 948 2.88 2529 993 3.21 2799 —— — —— —
3400
912 2.69 2369 958 3.01 2637 1002 3.34 2902 —— — —— —
3500
921 2.82 2479 968 3.15 2751 —— — —— — —— —
3600
930 2.95 2587 978 3.29 2862 —— — —— — —— —
3700
940 3.07 2686 —— — —— — —— — —— —
3750
945 3.14 2743 —— — —— — —— — —— —
Bhp —
Brake Horsepower Input to Fan
Watts —
Input Watts to Motor
50TFQ004-012
548F036-120