Packaged Rooftop Air Conditioners -RT-DS-8 (Trane Company (The))

Performance Data 20, 25 Ton

Table 37.1 -- Supply Fan Performance With VARIABLE FREQUENCY DRIVE or WITHOUT INLET VANES - 20 and 25 Ton

Cfm Std Air	TotalStaticPressure
	.250		.500		.750		1.000		1.250		1.500		1.750		2.000
	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 Std Air	Total Static Pressure
	2.250		2.500		2.750		3.000		3.250		3.500		3.750		4.000
	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 Std Air	Total Static Pressure
	4.250		4.500		4.750		5.000		5.250		5.500		5.750		6.000
	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

Note :

Fan performance for 20 to 25 ton rooftops is identical. However, note maximum motor hp size for each size. Contact your local Trane representative for information on oversized motors.
Shaded areas at table extremes note non-standard Bhp or Rpm selection.Contact your local Trane representative for information on oversized motors.
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 heating system, optional cooling only extended casing, optional roof curb).
maximum Cfm (for UL approval) as follows :
Minimum motor horsepower is 3 hp
Maximum motor horsepower as follows :
Maximum 3 hp and 5 hp motor Rpm is 1,100, maximum 7.5 hp through 15 hp motor Rpm is 1655
See RT-EB-104 for further details.

Important: Maximum static pressure leaving the roof top is 4.0" H₂O positive.The static pressure drops from the supply fan to thes pace cannot exceed 4.0" H₂O.

Packaged Rooftop Air Conditioners - RT-DS-8 - Page 836