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Performance Data—Return Fan
Table 26 Return Fan Performance STANDARD CFM—Case B and Case C (40" Fan)
CFM |
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Std. | 0.25 | 0.50 | 0.75 | 1.00 | 1.25 | 1.50 | 1.75 | 2.00 | |||||||||||
Air |
| RPM | BHP | RPM | BHP |
| RPM | BHP |
| RPM | BHP | RPM | BHP | RPM | BHP | RPM | BHP | RPM | BHP |
20000 |
| 571(i) | 3.45 | 600 | 4.37 | 627 | 5.31 |
| 655 | 6.38 | 682 | 7.42 | 707 | 8.43 | 732 | 9.49 | 758 | 10.60 | |
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21000 |
| 596 | 3.89 | 625 | 4.87 | 651 | 5.85 |
| 677 | 6.92 | 703 | 8.04 | 727 | 9.10 | 752 | 10.20 | 776 | 11.32 | |
22000 |
| 622 | 4.37 | 649 | 5.39 |
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| 700 | 7.50 | 725 | 8.67 | 748 | 9.81 | 772 | 10.94 | 795 | 12.11 |
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| 675 | 6.42 |
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23000 |
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| 699 | 7.04 | 722 | 8.12 | 747 | 9.33 | 770 | 10.56 | 792 | 11.72 | 814 | 12.91 | |
| 648 | 4.90 | 674 | 5.97 |
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24000 | 674 | 5.47 | 699 | 6.58 | 723 | 7.69 | 746 | 8.81 | 769 | 10.03 | 792 | 11.31 | 813 | 12.56 | 835 | 13.80 | |||
25000 | 700 | 6.09 | 724 | 7.24 | 747 | 8.40 | 770 | 9.56 | 792 | 10.79 | 813 | 12.10 | 835 | 13.44 | 856 | 14.72 | |||
26000 | 726 | 6.75 | 749 | 7.95 | 772 | 9.16 | 794 | 10.37 | 814 | 11.59 | 836 | 12.94 | 857 | 14.35 | 877 | 15.68 | |||
27000 | 752 | 7.46 | 774 | 8.70 | 797 | 9.96 | 818 | 11.20 | 838 | 12.49 | 858 | 13.83 | 878 | 15.25 | 898 | 16.69 | |||
28000 | 779 | 8.23 | 800 | 9.50 | 821 | 10.81 | 842 | 12.10 | 862 | 13.41 | 881 | 14.76 | 901 | 16.24 | 920 | 17.71 | |||
29000 | 805 | 9.05 | 825 | 10.37 | 846 | 11.71 | 867 | 13.07 | 885 | 14.40 | 904 | 15.77 | 923 | 17.26 | 942 | 18.80 | |||
30000 | 831 | 9.92 | 851 | 11.28 | 871 | 12.68 | 891 | 14.08 | 910 | 15.46 | 928 | 16.88 | 946 | 18.33 | 965 | 19.92 | |||
31000 | 858 | 10.85 | 877 | 12.26 | 896 | 13.69 | 916 | 15.14 | 934 | 16.57 | 952 | 18.00 | 969 | 19.50 | 987 | 21.09 | |||
32000 | 884 | 11.85 | 902 | 13.29 | 921 | 14.76 | 940 | 16.25 | 958 | 17.74 | 976 | 19.23 | 993 | 20.74 | 1010 | 22.30 | |||
33000 | 911 | 12.90 | 928 | 14.38 | 947 | 15.90 | 965 | 17.43 | 983 | 18.98 | 1000 | 20.48 | 1016 | 22.03 | 1033 | 23.64 | |||
34000 | 937 | 14.02 | 954 | 15.54 | 972 | 17.10 | 990 | 18.69 | 1008 | 20.28 | 1024 | 21.83 | 1040 | 23.41 | 1056 | 25.02 | |||
35000 | 964 | 15.20 | 980 | 16.76 | 998 | 18.37 | 1015 | 19.98 | 1032 | 21.63 | 1048 | 23.24 | 1064 | 24.86 | 1080 | 26.48 | |||
36000 | 990 | 16.44 | 1007 | 18.05 | 1023 | 19.69 | 1040 | 21.36 | 1057 | 23.05 | 1073 | 24.70 | 1089 | 26.40 | 1104 | 28.06 | |||
37000 | 1017 | 17.76 | 1033 | 19.41 | 1049 | 21.09 | 1065 | 22.81 | 1082 | 24.54 | 1098 | 26.26 | 1113 | 27.96 | 1128 | 29.65 | |||
38000 | 1043 | 19.15 | 1059 | 20.84 | 1075 | 22.56 | 1091 | 24.31 | 1107 | 26.09 | 1122 | 27.86 | 1137 | 29.63 | 1152 | 31.35 | |||
39000 | 1070 | 20.61 | 1085 | 22.35 | 1100 | 24.10 | 1116 | 25.91 | 1132 | 27.71 | 1147 | 29.53 | 1162 | 31.37 | 1176 | 33.15 | |||
40000 | 1097 | 22.14 | 1112 | 23.92 | 1126 | 25.71 | 1141 | 27.56 | 1157 | 29.41 | 1172 | 31.27 | 1186 | 33.14 | 1201 | 34.99 | |||
41000 | 1123 | 23.75 | 1138 | 25.58 | 1152 | 27.42 | 1167 | 29.30 | 1182 | 31.20 | 1196 | 33.09 | 1211 | 35.03 |
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42000 | 1150 | 25.44 | 1164 | 27.30 | 1178 | 29.19 | 1193 | 31.11 | 1207 | 33.05 | 1221 | 35.00 |
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43000 | 1177 | 27.21 | 1191 | 29.11 | 1204 | 31.04 | 1218 | 33.01 |
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44000 | 1204 | 29.06 | 1217 | 31.01 |
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CFM |
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| Negative Static Pressure |
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Std. | 2.25 | 2.50 |
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Air |
| RPM | BHP | RPM | BHP |
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20000 | 782 | 11.73 | 804 | 12.83 |
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21000 | 800 | 12.46 | 822 | 13.64 |
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22000 | 819 | 13.30 | 841 | 14.52 |
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23000 | 837 | 14.13 | 859 | 15.39 |
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24000 | 856 | 15.02 | 878 | 16.33 |
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25000 | 876 | 16.01 | 897 | 17.31 |
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26000 | 896 | 17.01 | 916 | 18.33 |
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27000 | 918 | 18.09 | 937 | 19.47 |
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28000 | 940 | 19.23 | 958 | 20.63 |
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29000 | 961 | 20.34 | 979 | 21.86 |
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30000 | 983 | 21.52 | 1001 | 23.11 |
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31000 | 1004 | 22.69 | 1022 | 24.38 |
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32000 | 1027 | 23.94 | 1044 | 25.69 |
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33000 | 1050 | 25.31 | 1066 | 27.04 |
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34000 | 1072 | 26.69 | 1088 | 28.44 |
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35000 | 1096 | 28.20 | 1111 | 29.98 |
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36000 | 1119 | 29.74 | 1134 | 31.52 |
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37000 | 1143 | 31.44 | 1157 | 33.16 |
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38000 | 1166 | 33.16 | 1181 | 34.98 |
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39000 | 1191 | 34.98 | 1204 | 36.82 |
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40000 | 1214 | 36.83 |
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(i)Outlined area indicates nonstandard BHP or RPM selections. Contact a local Trane representative for more information.
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