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RT-PRC010-EN44
Performance
Data
Notes:
1. Fan performance for 20 and 25 ton rooftops is identical. However, note maximum motor hp size for each size. Contact your local Trane representative for
information on oversized motors.
2. Shaded areas at table extremes note non-standard Bhp or Rpm selection. Contact your local Trane representative for more information.
3. Supply fan performance table includes internal 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).
4. Maximum Cfm (for UL approval) as follows: 20 Ton — 9,000 Cfm, 25 Ton — 11,000 Cfm
5. Minimum motor horsepower is 3 hp.
6. Maximum motor horsepower as follows: 20 Ton — 15 hp, 25 Ton — 15 hp
7. Maximum 3 hp and 5 hp motor Rpm is 1,100, maximum 7.5 hp to 15 hp motor Rpm is 1655.
8. See RT-EB-104 for further details
Table PD-32 — Supply Fan Performance With VARIABLE FREQUENCY DRIVE or WITHOUT INLET VANES — 20 and 25 Ton
Cfm Total Static Pressure
Std .250 .500 .750 1.000 1.250 1.500 1.750 2.000
Air RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
4000 370 .34 504 .62 614 .96 707 1.35 788 1.77 859 2.20 922 2.65 980 3.11
5000 390 .48 514 .80 618 1.16 710 1.57 793 2.02 867 2.51 934 3.02 996 3.54
6000 419 .67 529 1.03 628 1.43 715 1.85 795 2.32 869 2.83 938 3.37 1002 3.95
7000 451 .92 550 1.32 642 1.76 726 2.23 802 2.71 873 3.24 940 3.80 1004 4.39
8000 485 1.23 579 1.68 659 2.15 741 2.67 814 3.20 882 3.75 946 4.32 1008 4.93
9000 520 1.60 609 2.13 685 2.63 757 3.17 829 3.77 895 4.36 957 4.97 1015 5.59
10000 556 2.05 641 2.65 715 3.22 780 3.78 845 4.39 910 5.05 971 5.71 1028 6.38
11000 593 2.58 675 3.25 745 3.89 809 4.51 867 5.13 926 5.80 986 6.53 1043 7.26
Cfm Total Static Pressure
Std 2.250 2.500 2.750 3.000 3.250 3.500 3.750 4.000
Air RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
4000 1034 3.58 1085 4.06 1132 4.56 1177 5.07 1220 5.58 1261 6.11 1301 6.65 1339 7.20
5000 1053 4.09 1106 4.64 1156 5.20 1203 5.78 1247 6.36 1290 6.95 1331 7.55 1370 8.16
6000 1061 4.54 1117 5.16 1169 5.79 1219 6.43 1265 7.08 1310 7.74 1353 8.42 1393 9.09
7000 1064 5.01 1121 5.67 1175 6.34 1226 7.04 1274 7.75 1321 8.47 1365 9.21 1408 9.96
8000 1067 5.57 1123 6.24 1177 6.94 1228 7.66 1278 8.41 1325 9.18 1371 9.96 1415 10.77
9000 1072 6.25 1127 6.93 1180 7.64 1231 8.38 1280 9.15 1327 9.94 1373 10.75 1418 11.59
10000 1082 7.05 1135 7.76 1186 8.48 1235 9.24 1284 10.02 1330 10.82 1376 11.65 1420 12.50
11000 1096 7.99 1147 8.72 1196 9.47 1243 10.24 1290 11.04 1336 11.86 1380 12.70 1423 13.57
Cfm Total Static Pressure
Std 4.250 4.500 4.750 5.000 5.250 5.500 5.750 6.000
Air RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
4000 1376 7.76 1412 8.33 1446 8.90 1480 9.49 1513 10.08 1545 10.69 1576 11.30 1606 11.92
5000 1408 8.78 1445 9.41 1480 10.05 1515 10.70 1548 11.35 1581 12.02 1613 12.69 1644 13.37
6000 1433 9.78 1470 10.48 1507 11.18 1542 11.89 1577 12.61 1610 13.34 1643 14.07
7000 1449 10.71 1488 11.48 1526 12.25 1563 13.03 1599 13.82 1633 14.62
8000 1457 11.58 1498 12.41 1538 13.24 1576 14.09 1613 14.95 1649 15.81
9000 1461 12.44 1503 13.31 1543 14.20 1582 15.10 1620 16.01
10000 1463 13.38 1505 14.27 1545 15.19 1585 16.12 1624 17.08
11000 1466 14.46 1507 15.37 1547 16.30 1587 17.25 1626 18.22
(20, 25 Tons)