Trane RT-PRC010-EN Manual page 52

Table PD-36 — Supply Fan Performance With VARIABLE FREQUENCY DRIVE or WITHOUT INLET VANES — 40, 50 and 55 Tons
Cfm
Std .250 .500
Air RPM BHP RPM
8000 290 .66 396
9000 298 .77 400
10000 311 .94 404
11000 329 1.16 409
12000 349 1.43 414
13000 370 1.75 424
14000 391 2.12 438
15000 413 2.54 455
16000 435 3.02 474
17000 457 3.54 494
18000 479 4.13 515
19000 501 4.78 536
20000 524 5.49 558
21000 546 6.28 580
22000 569 7.14 602
22500 580 7.60 613
23000 591 8.08 624
24000 614 9.10 646
Cfm
Std 2.250 2.500
Air RPM BHP RPM
8000 814 6.80 854
9000 819 7.32 861
10000 822 7.88 865
11000 824 8.45 867
12000 826 9.01 869
13000 828 9.59 871
14000 830 10.18 873
15000 833 10.80 876
16000 837 11.46 879
17000 840 12.14 882
18000 844 12.86 886
19000 848 13.60 890
20000 852 14.36 894
21000 857 15.15 898
22000 861 15.96 902
22500 864 16.38 905
23000 866 16.80 907
24000 871 17 .66 912
Cfm
Std 4.250
Air RPM BHP
8000 1081 14.75
9000 1097 15.80
10000 1109 16.73
11000 1118 17.64
12000 1124 18.61
13000 1128 19.65
14000 1130 20.73
15000 1132 21.80
16000 1134 22.86
17000 1136 23.94
18000 1138 25.03
19000 1141 26.15
20000 1144 27.30
21000 1147 28.50
22000 1150 29.74
22500 1152 30.38
23000 1153 31.03
24000 1157 32.36
52
Performance
Data
.750 1.000
BHP RPM BHP RPM
1.27 479 1.95 550
1.44 482 2.16 553
1.61 486 2.38 556
1.79 490 2.63 559
2.00 494 2.89 563
2.26 499 3.16 567
2.60 504 3.44 571
3.01 510 3.77 576
3.50 520 4.18 581
4.06 534 4.68 586
4.68 550 5.29 595
5.38 569 5.98 607
6.15 588 6.75 622
7.00 608 7.61 639
7.92 629 8.55 658
8.40 640 9.05 667
8.90 651 9.58 677
9.97 672 10.70 697
2.750 3.000
BHP RPM BHP RPM
7.73 892 8.69 927
8.28 901 9.27 938
8.89 906 9.92 944
9.52 908 10.61 948
10.15 910 11.30 950
10.78 912 11.99 952
11.42 914 12.69 954
12.09 917 13.40 956
12.78 920 14.14 958
13.52 923 14.92 961
14.28 926 15.73 964
15.08 930 16.58 968
15.90 934 17.46 972
16.75 938 18.37 976
17.63 942 19.30 980
18.07 944 19.78 982
18.52 946 20.26 984
19.45 951 21.25 988
Total Static Pressure
4.500 4.750
RPM BHP RPM BHP
1108 15.78 1134 16.83
1125 16.94 1152 18.08
1138 17.95 1166 19.18
1148 18.91
1155 19.91
1159 20.99
1162 22.12
1164 23.26
1166 24.39
1168 25.52
1170 26.66
(40, 50, 55 Tons)
Total Static Pressure
1.250 1.500
BHP RPM BHP RPM
2.67 613 3.44 671
2.93 616 3.75 673
3.20 618 4.07 675
3.50 621 4.41 677
3.81 624 4.77 680
4.15 628 5.16 683
4.49 632 5.57 687
4.86 636 5.99 690
5.24 640 6.43 695
5.65 645 6.89 699
6.15 650 7.37 703
6.76 656 7.89 708
7.49 664 8.50 713
8.32 676 9.25 719
9.26 690 10.12 728
9.76 698 10.60 734
10.29 706 11.11 740
11.41 724 12.22 754
Total Static Pressure
3.250 3.500
BHP RPM BHP RPM
9.67 961 10.66 993
10.31 972 11.37 1006
10.98 980 12.07 1015
11.72 985 12.85 1021
12.47 988 13.66 1024
13.23 989 14.48 1026
13.98 991 15.30 1028
14.75 994 16.12 1030
15.54 996 16.96 1032
16.36 999 17.82 1035
17.21 1002 18.72 1037
18.11 1005 19.66 1040
19.04 1008 20.64 1044
20.00 1012 21.66 1047
20.99 1016 22.70 1051
21.50 1018 23.24 1053
22.01 1020 23.78 1055
23.06 1024 24.89 1059
Notes:
1. Fan performance for 40, 50, and 55 ton rooftops is
5.000
RPM BHP
1160 17.88
2. Shaded areas at table extremes note non-standard
3. Supply fan performance table includes internal
4. Maximum Cfm (for UL approval) as follows:
5. Minimum motor horsepower is 7.5 hp.
6. Maximum motor horsepower as follows:
7. Maximum 7.5 hp to 15 hp motor Rpm is 1,141 Rpm,
8. See RT-EB-104 for further details.
1.750 2.000
BHP RPM BHP RPM
4.23 723 5.05 770
4.61 725 5.49 774
4.99 727 5.93 776
5.37 729 6.37 778
5.78 731 6.82 780
6.21 734 7.30 782
6.67 737 7.80 785
7.15 741 8.33 789
7.65 745 8.89 792
8.17 749 9.47 796
8.71 753 10.07 800
9.27 758 10.70 804
9.85 762 11.34 809
10.49 767 12.00 813
11.25 773 12.70 818
11.68 776 13.07 820
12.15 780 13.48 823
13.19 789 14.41 829
3.750 4.000
BHP RPM BHP RPM
11.67 1023 12.69 1053
12.45 1037 13.55 1068
13.20 1048 14.35 1079
14.00 1055 15.18 1087
14.87 1059 16.09 1092
15.75 1061 17.04 1095
16.63 1063 17.98 1097
17.51 1065 18.92 1099
18.40 1067 19.87 1101
19.32 1069 20.83 1103
20.26 1072 21.82 1106
21.24 1075 22.85 1108
22.27 1078 23.92 1111
23.33 1081 25.03 1114
24.43 1085 26.18 1118
25.00 1087 26.77 1120
25.57 1089 27.37 1122
26.73 1093 28.59 1125
identical. However, note maximum motor hp size for
each size. Contact your local Trane representative for
information on oversized motors.
Bhp or Rpm selection. Contact your local Trane
representative for more information.
resistance of rooftop. For total static pressure
determination, system external static must be added
to appropriate component static pressure drops
(evaporator coil, filters, optional economizer, optional
exhaust fan, optional heating system, optional
cooling only extended casing, optional roof curb).
40 Ton — 18,000 Cfm
50 Ton — 22,500 Cfm
55 Ton — 24,000 Cfm
40 Ton — 30 hp
50 Ton — 30 hp
55 Ton — 30 hp
maximum 20 hp to 30 hp motor Rpm is 1,170 Rpm.
RT -PRC010-EN
BHP
5.90
6.39
6.89
7.40
7.90
8.43
8.97
9.55
10.16
10.79
11.46
12.14
12.84
13.57
14.32
14.70
15.09
15.93
BHP
13.71
14.67
15.53
16.40
17.34
18.34
19.35
20.35
21.36
22.38
23.41
24.48
25.60
26.75
27.95
28.57
29.19
30.47