Table 16 — Fan Performance (Air Foil) — 48/50MP90P*
AIRFLOW
(Cfm)
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
0.50 0.75 1.00 1.25 1.50 1.75 2.00 2.25 2.50 2.75
Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp
24,000 501 5.70 534 6.78 565 7.89 594 9.05 622 10.2 649 11.5 674 12.7 702 14.1 729 15.6 — —
26,000 531 8.78 581 7.93 591 9.12 619 10.3 646 11.6 672 12.9 696 14.2 720 15.5 745 17.0 770 18.5
28,000 561 7.98 588 9.20 617 10.5 644 11.7 669 13.1 695 14.4 719 15.8 742 17.2 764 18.6 788 20.1
30,000 591 9.36 618 10.6 644 12.0 670 13.3 695 14.7 718 16.1 742 17.8 765 19.1 787 20.6 808 22.1
32,000 621 10.6 645 12.2 670 13.6 695 15.0 719 16.5 742 18.0 764 19.5 787 21.0 806 22.6 829 24.2
34,000 651 12.5 676 13.9 698 15.4 721 16.9 744 18.4 767 20.0 789 21.5 810 23.1 831 24.8 851 26.4
36,000 681 14.3 704 15.8 727 17.3 748 18.9 770 20.5 792 22.1 813 23.8 833 25.4 853 27.1 873 28.9
38,000 713 16.3 735 18.0 758 19.6 777 21.2 797 22.9 818 24.6 839 26.3 856 28.0 878 29.8 897 31.8
40,000 743 18.5 763 20.1 785 21.8 805 23.5 824 25.3 843 27.0 863 28.8 883 30.6 902 32.5 921 34.3
42,000 774 20.9 794 22.5 814 24.4 834 26.2 853 28.0 871 29.8 889 31.7 908 33.5 927 35.3 945 37.4
44,000 806 23.5 825 25.4 844 27.2 863 29.1 882 31.0 900 32.9 917 34.8 934 38.7 953 38.7 971 40.7
46,000 837 26.3 856 28.2 874 30.2 892 32.1 910 34.1 928 36.0 945 38.0 961 40.0 978 42.1 995 44.2
AIRFLOW
(Cfm)
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
3.00 3.25 3.50 3.75 4.00 4.25 4.50 4.75 5.00
Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp
24,000 ——————————————————
26,000 795 20.1 ————————————————
28,000 810 21.7 833 23.4 856 25.1 ————————————
30,000 828 23.6 849 25.2 871 27.0 893 28.8 915 30.7 ————————
32,000 849 25.8 859 27.4 888 29.1 907 30.8 928 32.7 949 34.6 969 36.6 969 38.8 — —
34,000 871 28.1 890 29.8 909 31.6 927 33.3 945 35.0 963 36.9 983 38.9 1003 41.0 1022 43.0
36,000 893 30.6 912 32.4 930 34.2 948 36.0 966 37.8 983 38.9 1000 41.5 1017 43.4 1036 45.6
38,000 916 33.4 935 35.2 953 37.1 971 39.0 988 40.0 1005 42.8 1022 44.7 1038 46.7 1054 48.6
40,000 939 36.2 956 38.1 974 40.0 992 42.0 1009 43.9 1025 45.9 1042 44.9 1058 49.9 1074 52.0
42,000 963 39.3 980 41.3 997 43.3 1014 45.3 1031 47.3 1048 49.4 1064 51.5 1080 53.5 1095 55.6
44,000 988 42.7 1005 44.6 1022 45.6 1038 48.9 1054 51.0 1070 53.1 1086 55.2 1102 57.4 1118 59.6
46,000 1013 46.2 1029 48.4 1046 50.5 1062 52.6 1077 54.8 1093 56.9 1108 59.1 1124 61.4 1139 63.6
LEGEND
Bhp — Brake Horsepower
*Refer toFan Performance, 48MPUnits section, forcorrect procedure on
48MP units.
NOTES:
1. Fan performance is based on wet coils and clean 2-in. filters.
2. Conversion — Bhp to kW:
Bhp × .746
kW =
Motor efficiency
See Table 1 for motor efficiency.
Table 17 — Fan Performance (Air Foil) — 48/50MP10R*
AIRFLOW
(Cfm)
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
0.50 0.75 1.00 1.25 1.50 1.75 2.00 2.25 2.50 2.75
Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp
26,000 525 6.55 555 7.69 585 8.88 613 10.1 641 11.3 667 12.6 692 13.9 715 15.3 739 16.7 765 18.2
28,000 554 7.69 582 8.90 610 10.2 637 11.4 663 12.7 689 14.1 713 15.5 736 16.9 759 18.3 781 19.7
30,000 584 9.00 611 10.3 636 11.6 663 13.0 688 14.3 712 15.7 735 17.2 758 18.7 781 20.2 802 21.7
32,000 613 10.4 639 11.8 663 13.2 688 14.6 712 16.1 736 17.5 758 19.0 780 20.6 802 22.1 823 23.7
34,000 643 12.0 667 13.5 691 14.9 714 16.4 737 17.9 760 19.5 782 21.0 803 22.8 824 24.3 845 25.9
36,000 672 13.7 696 15.2 719 15.8 740 18.3 761 19.9 784 21.5 805 23.2 826 24.8 846 26.5 866 28.2
38,000 704 15.7 726 17.3 748 18.9 769 20.5 789 22.2 810 23.9 831 25.8 851 27.3 871 29.1 890 30.9
40,000 734 17.8 755 19.5 776 21.2 797 22.9 817 24.6 836 26.3 855 28.1 875 29.9 894 31.7 913 33.6
42,000 765 20.1 785 21.9 805 23.6 825 25.4 844 27.2 863 29.0 881 30.8 900 32.7 919 34.6 937 35.5
44,000 795 22.5 815 24.3 834 26.2 853 28.1 872 29.9 890 31.8 907 33.7 925 35.0 943 37.6 961 39.6
46,000 826 25.2 845 27.2 864 29.1 882 31.0 900 33.0 918 34.9 935 38.0 952 38.9 968 40.9 986 43.0
48,000 857 28.2 876 30.2 894 32.2 911 34.2 929 36.2 946 38.3 963 40.3 979 42.4 995 44.5 1011 46.6
50,000 889 31.4 907 33.4 924 38.5 941 37.5 958 39.8 975 41.9 991 44.0 1007 46.1 1023 48.3 1038 50.5
52,000 919 34.7 937 35.9 954 39.0 970 41.2 986 43.4 1003 45.6 1019 47.8 1035 50.0 1050 52.2 1065 54.5
AIRFLOW
(Cfm)
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
3.00 3.25 3.50 3.75 4.00 4.25 4.50 4.75 5.00
Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp
26,000 790 19.8 ————————————————
28,000 804 21.3 828 23.0 851 24.7 ————————————
30,000 823 23.2 843 24.8 865 26.5 887 28.3 909 30.2 930 32.0 ——————
32,000 844 25.3 863 27.0 882 28.6 901 30.3 922 32.2 943 34.1 964 36.0 984 38.0 — —
34,000 865 27.6 884 29.3 903 31.0 921 32.7 939 34.5 957 36.2 977 38.3 997 40.3 1016 42.4
36,000 886 30.0 905 31.7 924 33.5 942 35.3 959 37.2 977 39.0 994 40.8 1010 40.3 1029 44.5
38,000 909 32.7 927 34.5 946 38.3 964 38.2 981 40.1 998 42.0 1015 43.9 1031 45.9 1047 47.8
40,000 931 35.4 949 37.3 967 39.2 985 41.2 1002 43.2 1019 45.1 1038 47.1 1052 49.1 1068 61.2
42,000 955 35.5 973 40.4 990 42.2 1007 44.4 1024 46.4 1040 48.5 1057 50.5 1073 52.6 1089 54.7
44,000 978 41.6 996 43.6 1013 45.7 1029 47.7 1045 49.8 1061 51.9 1077 54.0 1093 56.2 1109 58.4
46,000 1003 45.1 1020 47.2 1037 49.3 1053 51.4 1069 53.6 1084 55.7 1100 57.9 1115 60.1 1139 63.6
48,000 1028 48.7 1044 50.9 1061 53.1 1077 55.3 1092 57.5 1108 59.7 1123 62.0 1137 64.2 1152 66.5
50,000 1053 52.7 1069 54.9 1085 57.2 1101 59.4 1116 61.7 1132 64.0 1146 65.3 1161 68.7 1175 71.0
52,000 1080 56.8 1094 59.0 1109 61.4 1125 63.7 1140 66.1 1165 68.4 1170 70.8 1184 73.2 — —
LEGEND
Bhp — Brake Horsepower
*Refer toFan Performance, 48MPUnits section, forcorrect procedure on
48MP units.
NOTES:
1. Fan performance is based on wet coils and clean 2-in. filters.
2. Conversion — Bhp to kW:
Bhp × .746
kW =
Motor efficiency
See Table 1 for motor efficiency.
34