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82
PERFORMANCE DATA (cont)
FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)
LEGEND
Refer to page 87 for general Fan Performance notes.
NOTES:
1.
Boldface
indicates a field-supplied drive is required. (See Note 4.)
2. indicates field-supplied motor and drive are required.
3. Maximum continuous bhp is 2.90.
4. Standard motor drive range: 725 to 925 rpm. All other rpms
require field-supplied drive.
549B090 (7
1
/
2
TONS) — STANDARD MOTOR (BELT DRIVE)
Airflow
(Cfm)
External Static Pressure (in. wg)
0.2 0.4 0.6 0.8 1.0 1.2
Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp
2250 511 0.52 592 0.74 659 0.95 722 1.19
778 1.43 829 1.68
2300 518 0.55 599 0.77 665 0.98
727 1.22 783 1.47 834 1.72
2400 534 0.61 613 0.84 677 1.06
738 1.30 794 1.55 844 1.81
2500 549 0.67 627 0.90 690 1.14
750 1.38 805 1.64 855 1.91
2550 557 0.71 633 0.94 697 1.18
756 1.42 811 1.69 861 1.96
2600 565 0.74 639 0.97 703 1.22
761 1.46 816 1.74 866 2.01
2700 581 0.81 652 1.04 717 1.31
773 1.55 827 1.83 878 2.12
2800 597 0.89 665 1.12
733 1.40 786 1.66 839 1.93 889 2.23
2900 613 0.97 679 1.20
745 1.50 799 1.76 850 2.04 900 2.34
3000 629 1.06 694 1.29
759 1.59 812 1.88 862 2.15 911 2.46
3100 646 1.15 709 1.39
772 1.70 825 1.99 875 2.28 923 2.58
3200 662 1.25 724 1.50
785 1.80 840 2.11 887 2.41
934 2.71
3300 679 1.35
740 1.61 798 1.91 854 2.24 900 2.54
946 2.85
3400 696 1.46
756 1.73 811 2.02 868 2.37 914 2.69
959 3.00
3500 712 1.57
771 1.85 824 2.14 881 2.50
928 2.84
971 3.16
3600
729 1.69 787 1.98 839 2.21 894 2.64
942 2.99 984 3.22
3700
746 1.85 803 2.12 854 2.42 907 2.78
956 3.15 997 3.49
3750
755 1.89 811 2.20 862 2.49 914 2.85
963 3.23 ——
549B090 (7
1
/
2
TONS) — STANDARD MOTOR (BELT DRIVE) (cont)
Airflow
(Cfm)
External Static Pressure (in. wg)
1.4 1.6 1.8 2.0
Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp
2250
884 1.97
937 2.33 947 2.66
1022 3.10
2300
885 2.00
939 2.36 979 2.69
1025 3.12
2400
892 2.08
944 2.40 987 2.76
1039 3.20
2500
902 2.18
949 2.48 1002 2.84
1041 3.25
2550
908 2.24
953 2.53 1003 2.87
1045 3.28
2600
913 2.29
957 2.58
1004 2.91 1050 3.31
2700
924 2.40
967 2.70
1010 3.01 1056 3.37
2800 935 2.52 978 2.62
1019 3.13 1061 3.47
2900 946 2.65
989 2.96 1030 3.27 ——
3000 957 2.78
1000 3.09 1040 3.41 ——
3100
968 2.91 1011 3.24 ————
3200
980 3.04 1022 3.38 ————
3300
991 3.18 ——————
3400
1003 3.32 ——————
3500
1014 3.48 ——————
3600
————————
3700
————————
3750
————————
Bhp —
Brake Horsepower Input to Fan
50TFQ004-012
549B036-120