Goodman Mfg GKS9 service manual Blower Performance Specifications

BLOWER PERFORMANCE SPECIFICATIONS

BLOWER PERFORMANCE

(CFM & Temperature Rise vs. External Static Pressure)

Model		Tons AC				EXTERNAL STATIC PRESSURE (Inches Water Column)
	Motor
Heating Speed		at 0.5"	0.1				0.2			0.3			0.4			0.5			0.6		0.7	0.8
(As Shipped )	Speed	ESP	CFM	RISE			CFM	RISE		CFM	RISE		CFM	RISE		CFM	RISE		CFM	CFM		CFM
	HIGH	3.0	1352		---		1318		---	1260		---	1202		---	1128		---	1044		955	853
GKS90453BX*	MED	2.5	1214		---		1172		---	1123		---	1064		---	1012		---	938		859	741
(LOW)	MED-LO	2.0	997		---		994		---	960		35	923		36	884		38	817		741	611
	LOW	1.5	757		44		753		44	734		45	704		47	674		49	620		524	438
	HIGH	3.0	1449		36		1409		37	1326		39	1273		41	1201		43	1194		1136	1018
GKS90703BX*	MED	2.5	1192		43		1172		44	1141		45	1094		47	1046		49	973		904	793
(MED-HI)	MED-LO	2.0	981		53		962		54	943		55	917		56	888		58	830		764	665
	LOW	1.5	750		---		730		---	714		---	692		---	657		---	620		570	502
	HIGH	4.0	2069		---		1965		---	1871		---	1756		---	1661		---	1549		1415	1275
GKS90704CX*	MED	3.5	1752		---		1724		---	1667		---	1603		---	1488		35	1402		1290	1082
(LOW)	MED-LO	3.0	1437		36		1437		36	1417		36	1369		38	1320		39	1256		1140	984
	LOW	2.5	1184		44		1177		44	1161		44	1132		46	1095		47	1047		928	837
	HIGH	4.0	1970		---		1874		35	1757		38	1667		40	1566		42	1431		1334	1182
GKS90904CX*	MED	3.5	1713		39		1650		40	1572		42	1510		44	1418		47	1313		1211	1079
(MED-LO)	MED-LO	3.0	1439		46		1412		47	1370		48	1327		50	1260		53	1166		1078	956
	LOW	2.5	1183		56		1155		57	1122		59	1108		60	1062		62	1011		931	816
	HIGH	5.0	2147		---		2114		---	2057		---	2030		---	1978		---	1889		1784	1713
GKS90905DX*	MED	4.0	1675		40		1686		---	1640		40	1623		41	1557		43	1501		1455	1360
(MED-LO)	MED-LO	3.5	1489		45		1470		45	1436		46	1409		47	1361		49	1318		1243	1130
	LOW	3.0	1307		51		1265		52	1234		54	1203		55	1168		57	1096		1053	991
	HIGH	5.0	2134		40		2103		40	2029		42	1941		44	1906		44	1818		1733	1625
GKS91155DX*	MED	4.0	1678		51		1643		52	1643		52	1577		54	1527		56	1489		1423	1339
(MED-HI)	MED-LO	3.5	1453		58		1440		59	1426		59	1363		62	1349		63	1314		1253	1205
	LOW	3.0	1259		67		1239		68	1220		70	1181		---	1159		---	1118		1082	1015

1.CFM in chart is without filters(s). Filters do not ship with this furnace, but must be provided by the installer. If the furnace requires two return filters, this chart assumes both filters are installed.

2.All furnaces ship as high speed cooling. Installer must adjust blower cooling speed as needed.

3.For most jobs, about 400 CFM per ton when cooling is desirable.

4.INSTALLATION IS TO BE ADJUSTED TO OBTAIN TEMPERATURE RISE WITHIN THE RANGE SPECIFIED ON THE RATING PLATE.

5.The chart is for information only. For satisfactory operation, external static pressure must not exceed value shown on rating plate. The shaded area indicates ranges in excess of maximum external static pressure allowed when heating. The data for 0.6" w.c. to 0.8" w.c. is shown for air conditioning purposes only.

6 The dashed (---) areas indicate a temperature rise not recommended for this model.

7.The above chart is for U.S. furnaces installed at 0-4000 feet. At higher altitudes, a properly derated unit will have approximately the same temperature rise at a particular CFM, while the ESP at that CFM will be lower.

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