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PERFORMANCE DATA (cont)
FAN PERFORMANCE — VERTICAL 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 514 0.55 562 593 0.76 723 662 0.99 907 724 1.22 1097 781 1.48 1318
2300 521 0.57 577 600 0.79 747 668 1.02 932 730 1.26 1131 786 1.50 1335
2400 536 0.63 623 613 0.85 795 680 1.09 989 741 1.34 1199 796 1.59 1413
2500 551 0.69 669 626 0.93 859 693 1.17 1056 753 1.43 1275 808 1.69 1499
2550 559 0.72 692 634 0.97 891 700 1.21 1089 759 1.48 1318 814 1.74 1543
2600 567 0.75 716 641 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 1.34 1199 776 1.61 1430 831 1.89 1674
2800 598 0.90 835 670 1.17 1056 732 1.43 1275 789 1.71 1617 842 2.00 1770
2900 614 0.98 899 684 1.25 1123 745 1.53 1361 802 1.81 1604 854 2.11 1866
3000 630 1.07 973 699 1.35 1207 759 1.63 1147 815 1.92 1700
866 2.23 1971
3100 646 1.16 1047 714 1.45 1292 773 1.74 1543 828 2.04 1805
878 2.35 2076
3200 662 1.28 1131 729 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 695 1.47 1310 759 1.78 1578 816 2.10 1868
867 2.42 2136 917 2.75 2420
3500 712 1.59 1413 774 1.90 1683 830 2.23 1971
881 2.56 2257 930 2.90 2546
3600 729 1.71 1617 790 2.03 1796 845 2.37 2093
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 1.91 1691 813 2.24 1980
868 2.59 2283 917 2.95 2587 963 3.30 2870
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 841 1.81 1604
902 2.25 1989 939 2.60 2292 979 2.94 2589 1015 3.29 2892
2300 843 1.83 1621
905 2.28 2015 943 2.52 2309 983 2.96 2609 1020 3.31 2914
2400 848 1.88 1665
910 2.31 2041 952 2.74 2411 992 3.10 2729 1029 3.46 3048
2500 859 1.96 1735
912 2.31 2050 963 2.81 2470 1004 3.18 2798 1041 3.55 3126
2550
864 2.01 1779 915 2.34 2067 968 2.81 2479 1009 3.18 2798 1047 3.55 3126
2600
869 2.06 1823 918 2.37 2093 973 2.81 2487 1014 3.18 2798 1052 3.55 3126
2700
880 2.17 1919 927 2.47 2180 976 2.84 2495 1017 3.21 2828 1055 3.59 3159
2800
892 2.29 2023 938 2.58 2275 983 2.92 2562 1024 3.30 2908 1063 3.69 3248
2900
903 2.42 2136 949 2.71 2386 993 3.03 2653 1035 3.43 3017
1074 3.83 3370
3000
915 2.54 2240 961 2.85 2504 1003 3.17 2767 1045 3.59 3157
1084 4.01 3526
3100
926 2.67 2352 972 3.00 2629 1015 3.32 2886
1058 3.76 3306 1097 4.20 3693
3200
938 2.81 2470 983 3.14 2743 1026 3.47 3002
1069 3.93 3456 —— —
3300
950 2.95 2587 995 3.30 2870
1043 3.80 3341 —— ——— —
3400
963 3.10 2710 1007 3.45 2987
1055 3.97 3493 —— ——— —
3500
976 3.25 2831
1030 3.82 3362 —— — —— ——— —
3600
988 3.41 2956
1043 4.01 3528 —— — —— ——— —
3700
1019 3.90 3431 —— — —— — —— ——— —
3750
1026 4.00 3517 —— — —— — —— ——— —
Bhp —
Brake Horsepower Input to Fan
Watts —
Input Watts to Motor
50TFQ004-012
548F036-120