Carrier 48EY024-068, 48EW, 48AW, 48AY020-060, 48EK, 48AK, 48AJ specifications UNIT 48EJ,EK,EW,EY

Table 1B — Physical Data — 48EJ,EK,EW,EY Units (cont)

UNIT 48EJ,EK,EW,EY			054D/E				058D/E						064D/E						068D/E
NOMINAL CAPACITY (tons)			50				55					60					65
OPERATING WEIGHT (lb)								For Operating Weights see Table 2.
COMPRESSOR
Quantity...Type (Ckt 1, Ckt 2)		1...06EA265, 1...06EA250				1...06EA275, 1...06EA250					1...06EA275, 1...06EA265							2...06EA275
Number of Refrigerant Circuits			2				2					2					2
Oil (oz) (Ckt 1, Ckt 2)			304, 224				304, 224					304, 304					304, 304
REFRIGERANT TYPE										R-22
Operating Charge (lb-oz)
Circuit 1*			50-11				57-0					68-0					81-0
Circuit 2			46-8				48-6					68-0					73-0
CONDENSER COIL				Cross-Hatched		3/8″-in. Copper Tubes, Aluminum Lanced, Aluminum Pre-Coated, or Copper Plate Fins
Quantity		1		1		1			1			2					2
Rows...Fins/in.		3...15		2...15		3...15			2...15			3...15					4...15
Total Face Area (sq ft)			66.6				100.0					100					100
CONDENSER FAN										Propeller Type
Nominal Cfm			30,000				43,900					43,900					43,900
Quantity...Diameter (in.)			4...30				6...30					6...30					6...30
Motor Hp (1075 Rpm)			1				1					1					1
EVAPORATOR COIL					Cross-Hatched 1/2″-in. Copper Tubes, Aluminum Plate Fins, Intertwined Circuits
Rows...Fins/in.			4...17				4...17					4...17					4...17
Total Face Area (sq ft)			45.0				45.0					48.1					48.1
EVAPORATOR FAN										Centrifugal Type
Quantity...Size (in.)			3...20x15				3...20x15						3...20x15						3...20x15
Type Drive			Belt				Belt						Belt						Belt
Nominal Cfm			20,000				22,000					24,000					26,000
Motor Hp		15	20†		25	20	25†			30	25		30†		40	25			30†		40
Motor Frame Size		S254T	S256T		S284T	S256T	S284T			S286T	S284T		S286T		S324T	S284T			S286T		S324T
Motor Bearing Type			Ball				Ball						Ball						Ball
Maximum Allowable Rpm			1200				1200					1200					1200
Motor Pulley Pitch Diameter		4.7	6.1		8.1	5.9	6.7			7.5	5.3		8.1		9.4	6.7			5.9		9.4
Nominal Motor Shaft Diameter (in.)		15/8	15/8		17/8	15/8	17/8			17/8	17/8		17/8		21/8	17/8			17/8		21/8
Fan Pulley Pitch Diameter (in.)		11.1	11.1		12.5	11.1	11.1			11.1	9.1		12.5		13.6	12.5			9.5		13.6
Nominal Fan Shaft Diameter (in.)			115/16				115/16						115/16						115/16
Belt, Quantity...Type		2...5VX550	2...5VX570		2...5VX630	2...5VX570	2...5VX590			2...5VX590	3...5VX530		2...5VX630	2...5VX650		2...5VX610			3...5VX550	2...5VX650
Length (in.)		55	57		63	57	59			59	53		63		65	61			55		59
Pulley Center Line Distance (in.)		15.2-17.5	15.2-17.5		14.7-17.2	15.2-17.5	14.7-17.2			14.7-17.2	14.7-17.2		14.7-17.2	14.2-17.0		14.7-17.2			14.7-17.2		14.3-17.0
Factory Speed Setting (rpm)		741	962		1134	930	1056			1182	1019		1134		1214	938			1087		1214
FURNACE SECTION
Rollout Switch Cutout Temp (F)**			225				225					225					225
Burner Orifice Diameter
(in. ...drill size)
Natural Gas	Std		.120...31				.120...31					.120...31					.120...31
Liquid Propane	Alt		.096...41				.096...41					.096...41					.096...41
Thermostat Heat Anticipator
Setting (amps)
Stage 1			0.1				0.1					0.1					0.1
Stage 2			0.1				0.1					0.1					0.1
Gas Input (Btuh)	Stage 1	441,000/ 873,000				441,000/ 873,000					441,000/ 873,000					441,000/ 873,000
	Stage 2	662,400/1,164,000				662,400/1,164,000					662,400/1,164,000					662,400/1,164,000
Efficiency (Steady State) (%)			82				82					82					82
Temperature Rise Range		10-40/30-60				10-40/30-60						10-40/30-60					10-40/30-60
Gas Pressure to Unit Range (in. wg)			5 - 13.5				5 - 13.5					5 - 13.5					5 - 13.5
Manifold Pressure (in. wg)
Natural Gas	Std		3.3				3.3					3.3					3.3
Liquid Propane	Alt		3.3				3.3					3.3					3.3
Gas Valve Quantity			3				3					3					3
Field Gas Connection Size
(in.-FPT)			2.5				2.5					2.5					2.5
HIGH-PRESSURE SWITCH (psig)
Cutout			426				426					426					426
Reset (Auto.)			320				320					320					320
LOW-PRESSURE SWITCH (psig)
Cutout			7				7					7					7
Reset (Auto.)			22				22					22					22
RETURN-AIR FILTERS (W x H x T)
Quantity...Size (in.)		16...20 x 24 x 2				16...20 x 24 x 2						16...20 x 24 x 2					16...20 x 24 x 2
OUTDOOR-AIR FILTERS			12...16 x 25				12...16 x 25						12...16 x 25						12...16 x 25
Quantity...Size (in.)			6...20 x 25				6...20 x 25						6...20 x 25						6...20 x 25
POWER EXHAUST					Direct Drive, 3-Speed, Single-Phase Motor (Factory-Wired for High Speed) and Forward Curved Fan
Motor, Quantity...Hp									6...1
Fan, Diameter...Width (in.)									11...10

*Circuit 1 uses the left condenser coil. Circuit 2 the right. All units have intertwined evaporator coils.

†Motor and drive shown will deliver approximately 2.5 in. wg net external static pressure. For more information see Table 3. **Rollout switch is manual reset.

NOTE: High heat is for 48EJ,EW.

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