Trane IntelliPak 1 Installation, Operation And Maintenance Manual page 101

Table 45. Return fan performance—40, 50 and 55 ton air-cooled and (27" Fan) (continued)
CFM
0.25
Std
Air
RPM BHP RPM
20000 1738 10.30 1765
20500 1780 11.05 1806
21000 1822 11.84 1848
21500 1864 12.66 1889
22000 1899 13.05 1926
22500 1941 13.91 1967
Notes:
1. Max fan RPM 1981 For 27" Class II Fan
2. Max Motor Available 15 HP For 27" Fan Size
3. Max motors Available are as follows: 40/48T: 10 HP & 50-55/59T: 15 HP
4. Max CFM is as follows: 40/48T: 18000, 50-55/59T: 22500
5. Min CFM is as follows: 40/48T: 7500, 50-55/59T: 9000
6. Return fan belt drive RPM selections will be available to cover 700-1900 RPM range +/- 50 RPM
7. Performance data includes cabinet and rain hood effect. Damper pressure drop must be added to the return duct static. See table Component static
pressure drops - relief damper for return fan in Performance Data.
8. Shaded area indicates nonstandard BHP or RPM selections. Contact a local Trane® representative for more information.
Table 46. Return fan performance—60 to 75 tons air-cooled and (36.5" fan)
CFM
Std 0.25
Air RPM BHP RPM
12000 459 1.07 502
13000 490 1.27 530
14000 520 1.49 560
15000 552 1.73 590
16000 583 2.00 619
17000 615 2.30 650
18000 646 2.64 680
19000 678 3.01 711
20000 711 3.42 742
21000 743 3.87 773
22000 775 4.36 805
23000 808 4.89 836
24000 840 5.46 868
25000 873 6.08 900
26000 906 6.75 931
27000 939 7.47 963
Notes:
1. Max fan RPM 1151 for 36.5" Class I Fan
2. Max motor available 20 HP for 36.5" fan size
3. Max motor available 20 HP for 60/73, 70/80 & 75/89T
4. Max CFM is 27000 for 60/73, 70/80 & 75/89T
5. Min CFM is 12000 for 60/73, 70/80 & 75/89
6. Return fan belt drive RPM selections will be available to cover 500-1100 RPM range +/- 50 RPM
7. Performance data includes cabinet and rain hood effect. Damper pressure drop must be added to the return duct static. See table Component static
pressure drops - relief damper for return fan in Performance Data.
RT-SVX072A-EN
Return Fan Static Pressure Including Relief Damper P.D.
0.50 0.75
BHP RPM BHP
11.13 1790 11.97
11.90 1831 12.76
12.71 1872 13.59
13.55 1914 14.45
14.11 1952 15.16
14.98 1992 16.05
Return Fan Static Pressure Including Relief Damper P.D.
0.50 0.75
BHP RPM BHP
1.59 541 2.13
1.83 567 2.40
2.09 595 2.70
2.38 623 3.03
2.70 652 3.39
3.05 681 3.78
3.43 711 4.20
3.85 741 4.67
4.30 771 5.17
4.78 801 5.70
5.31 832 6.28
5.88 863 6.90
6.49 894 7.56
7.15 925 8.26
7.86 956 9.00
8.62 987 9.79
1.00 1.25
RPM BHP RPM BHP
1816 12.83 1840 13.69
1856 13.63 1880 14.52
1897 14.48 1920 15.39
1937 15.36 1960 16.29
1977 16.20 2001 17.23
2017 17.12 2041 18.19
1.00 1.25
RPM BHP RPM BHP
578 2.71 613 3.31
603 3.01 636 3.65
628 3.34 660 3.99
655 3.70 686 4.39
682 4.09 712 4.82
710 4.52 739 5.28
739 4.98 766 5.78
768 5.48 794 6.31
797 6.02 823 6.90
827 6.60 852 7.51
857 7.22 881 8.17
887 7.89 911 8.88
918 8.60 941 9.63
948 9.35 970 10.42
979 10.16 1001 11.28
1010 11.01 1031 12.18
U U n n i i t t S S t t a a r r t t u u p p
1.50 1.75
RPM BHP RPM BHP
1864 14.56 1888 15.46
1903 15.41 1926 16.31
1943 16.29 1966 17.23
1983 17.22 2005 18.16
2024 18.24 2047 19.27
2064 19.23 2086 20.27
1.50 1.75
RPM BHP RPM BHP
647 3.91 681 4.54
668 4.29 700 4.94
691 4.69 721 5.38
715 5.11 744 5.85
740 5.57 767 6.34
766 6.06 792 6.85
792 6.60 817 7.41
819 7.16 844 8.03
847 7.77 871 8.66
875 8.41 898 9.36
904 9.11 926 10.09
933 9.87 954 10.86
962 10.67 983 11.71
992 11.49 1012 12.59
1021 12.37 1041 13.49
1052 13.33 1071 14.47
2.00
RPM BHP
1910 16.34
1949 17.22
1988 18.14
2027 19.11
2069 20.28
2108 21.31
2.00
RPM BHP
713 5.20
731 5.64
751 6.10
771 6.59
794 7.14
818 7.67
842 8.27
867 8.89
894 9.59
920 10.30
947 11.06
975 11.88
1004 12.75
1032 13.67
1061 14.63
1090 15.65
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