Carrier 58CTA/CTX instruction manual Air Delivery CFM With Filter, Furnace

58CT

Table 5 – Air Delivery - CFM (With Filter)*

FURNACE	RETURN---AIR	SPEED			EXTERNAL STATIC PRESSURE (IN. WC)
SIZE	INLET		0.1	0.2	0.3	0.4	0.5	0.6	0.7	0.8	0.9	1.0
045--- 08 /	Bottom or	High	1120	1075	1020	960	895	815	720	605	455	340
		Med--- High	930	890	850	805	750	680	600	500	345	195
024045	Side(s)	Med--- Low	820	785	750	700	650	585	505	400	235	--- ---
		Low	725	690	655	605	555	495	405	305	--- ---	--- ---
		High	1465	1400	1325	1250	1175	1085	980	860	725	560
045--- 12/	Bottom or	Med--- High	1295	1260	1210	1155	1090	1015	930	830	700	545
		Medium	1150	1120	1085	1040	985	920	835	740	620	510
036045	Side(s)
		Med--- Low	1030	1010	980	945	895	835	765	685	570	345
		Low	860	835	810	780	745	700	635	555	445	260
070--- 081 /	Bottom or	High	1140	1105	1055	1010	955	885	815	715	545	390
		Med--- High	915	885	855	825	785	725	655	530	420	280
024070	Side(s)	Med--- Low	795	770	740	700	655	600	510	420	325	--- ---
		Low	690	665	630	590	550	475	415	340	245	--- ---
		High	1440	1400	1355	1300	1240	1170	1090	1000	890	745
070--- 12/	Bottom or	Med--- High	1180	1165	1150	1125	1085	1030	970	890	785	645
		Medium	1015	1020	1010	990	965	925	875	800	700	560
036070	Side(s)
		Med--- Low	885	885	880	865	845	815	770	700	605	475
		Low	695	700	700	690	670	640	600	540	460	345
		High	1840	1790	1730	1670	1605	1530	1450	1370	1275	1170
070--- 16/	Bottom or	Med--- High	1610	1575	1535	1485	1435	1370	1305	1230	1145	1055
		Medium	1460	1430	1400	1360	1315	1260	1205	1130	1055	965
048070	Side(s)
		Med--- Low	1260	1240	1215	1180	1145	110	1040	985	915	835
		Low	1065	1040	1015	985	955	915	875	825	765	695
090--- 14/	Bottom or	High	1650	1600	1535	1465	1385	1285	1175	1055	895	645
		Med--- High	1515	1485	1440	1380	1300	1220	1115	990	830	600
042090	Side(s)	Med--- Low	1385	1360	1320	1260	1195	1120	1025	915	710	565
		Low	1205	1180	1160	1120	1065	1005	925	810	630	510
		High	2060	2000	1930	1835	1755	1620	1490	1315	1115	910
090--- 16/	Bottom or		1710	1695	1665	1585	1480	1390	1245	1110	955	775
		Med--- High
			1470	1475	1450	1390	1335	1230	1120	1005	855	690
048090	Side(s)	Med--- Low
			1260	1365	1245	1225	1165	1090	995	880	750	600
		Low
			1030	1025	1020	990	940	890	810	720	615	500
		High	2380	2295	2205	2105	2005	1900	1775	1650	1510	1335
		Med--- High	2185	2115	2045	1960	1875	1770	1655	1535	1400	1240
	Bottom Only	Medium	1905	1865	1815	1740	1670	1590	1490	1390	1245	1110
		Med--- Low	1595	1565	1530	1485	1430	1355	1275	1160	1055	920
		Low	1340	1310	1280	1225	1170	1120	1040	955	850	750
		High	2485	2415	2330	2230	2135	2030	1920	1790	1645	1485
090--- 20/	Both Side or 1	Med--- High	2175	2130	2070	2000	1930	1840	1740	1620	1495	1345
		Medium	1845	1815	1770	1720	1655	1580	1500	1395	1270	1090
060090	Side & Bottom
		Med--- Low	1540	1515	1475	1435	1385	1335	1270	1175	1045	915
		Low	1280	1250	1220	1190	115	1105	1035	945	845	745
		High	2420	2345	2265	2165	2070	1960	1850	1720	1570	1420
		Med--- High	2160	2110	2045	1960	1885	1790	1695	1570	1445	1305
	1Side Only	Medium	1850	1815	1765	1710	1635	1560	1480	1380	1250	1110
		Med--- Low	1530	1490	1455	1420	1375	1320	1250	1160	1055	905
		Low	1290	1250	1220	1190	115	1110	1040	950	835	740
110--- 12/	Bottom or	High	1625	1575	1515	1445	1355	1260	1165	990	785	595
		Med--- High	1510	1470	1415	1355	1285	1185	1070	890	725	530
036110	Side(s)	Med--- Low	1360	1335	1295	1250	1180	1100	985	810	670	475
		Low	1195	1180	1155	1115	1065	980	860	740	605	410
		High	2055	1990	1910	1815	1695	1575	1425	1230	1090	910
110--- 16/	Bottom or	Med--- High	1750	1725	1670	1605	1515	1400	1255	1120	975	785
		Medium	1545	1525	1490	1445	1355	1260	1135	1020	880	750
048110	Side(s)
		Med--- Low	1300	1290	1275	1235	1165	1085	1005	895	750	620
		Low	1050	1045	1015	975	935	880	815	715	610	515
		High	2530	2460	2380	2285	2200	2085	1970	1835	1695	1545
		Med--- High	2225	2190	2135	2075	1995	1910	1805	1695	1565	1430
	Bottom Only	Medium	1895	1885	1865	1820	1770	1700	1610	1520	1410	1290
		Med--- Low	1565	1555	1535	1505	1465	1410	1350	1265	1175	1050
		Low	1320	1295	1265	1235	1205	1160	1105	1035	950	870
110--- 22/	Bottom Sides or	High	--- ---	--- ---	2415	2330	2235	2125	1995	1860	1735	1605
066110	1 Side & Bottom	Med--- High	2205	2175	2120	2065	1975	1900	1790	1685	1580	1460
		High	2485	2430	2360	2270	2175	2070	1950	1825	1685	1535
		Med--- High	2155	2135	2100	2040	1970	1885	1790	1680	1560	1420
	1Side Only	Medium	1830	1830	1810	1780	1730	1665	1595	1505	1395	1275
		Med--- Low	1520	1505	1490	1470	1430	1385	1330	1250	1165	1055
		Low	1275	1260	1240	1210	1180	1135	1090	1025	930	840
*A filter is required	for each return ---air inlet. Airflow performance included 3/4---				in. (19 mm) washable filter media such as contained in factory						---authorized ac-
cessory filter rack. To determine airflow performance without this filter, assume an additional 0.1 in. wc available external static pressure.

--- --- Indicates unstable operating conditions.

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