Carrier Z8075-105, ZN030-105, ZW, Z6, 48ZT A - Physical Data 48ZG,ZN030-050cont

Table 1A — Physical Data (48ZG,ZN030-050) (cont)

BASE UNIT						48ZG,ZN040								48ZG,ZN050
NOMINAL CAPACITY (tons)						40								50
OPERATING WEIGHT (lb)				Standard Chassis			Extended Chassis					Standard Chassis			Extended Chassis
Base Unit
	Low Heat			6540				7040				6581			7081
	High Heat			6670				7170				6710			7210
With Economizer
	Low Heat			6841				7341				6881			7381
	High Heat			6970				7470				7010			7510
COMPRESSORS									Semi-Hermetic
Quantity...Type						2...06E								2...06E
Oil Charge (pints)						14								19, 14
Capacity Steps (%)
	CV					50,100								57,100
	VAV					25,50,75,100								18,37,56,63,81,100
Number of Refrigerant Circuits						2								2
REFRIGERANT										R-22
Operating Charge (lb), Ckt 1/Ckt 2
	Standard Evaporator Coil					40.0/40.0								41.5/39.0
	Standard Evaporator with HGBP					42.0/40.0								43.5/39.0
	Alternate High-Capacity Evaporator Coil					50.0/51.0								49.0/49.0
	Alternate High-Capacity Evaporator with HGBP					52.0/51.0								51.0/49.0
CONDENSER COILS									3/8-in. Tube Diameter
Quantity						2								2
Rows...Fins/in.
	Aluminum					3...15.0								3...15.0
	Copper (Optional)					3...13.7								3...13.7
Total Face Area (sq ft)						50.0								50.0
EVAPORATOR COILS
Quantity										2
Total Face Area (sq ft)										45.5
Refrigerant Feed Device...No. per Circuit										TXV...2
Standard Evaporator Coils						1/2 in. Tube Dia								1/2 in. Tube Dia
	Rows...Fins/in.					3...15.0								4...15.0
	Fin Type					Double Wavy								Double Wavy
	Tube Type					Cross Hatched								Cross Hatched
Alternate, High-Capacity Evaporator Coils						1/2 in. Tube Dia								1/2 in. Tube Dia
	Rows...Fins/in.					6...16.0								6...16.0
	Fin Type					Double Wavy								Double Wavy
	Tube Type					Cross Hatched								Cross Hatched
HEATING SECTION				Low Heat					High Heat			Low Heat			High Heat
Number of Heat Exchangers				1				2				1			2
Input (MBtuh)				325				650				325			650
Output (MBtuh)				263				527				263			527
Temperature Rise Range (F)				10-40				25-55				10-40			25-55
Efficiency (%)				81				81				81			81
Burner Orifice Diameter
	Quantity (in. ...drill no.)			7 (.1285...30)				14 (.1285...30)				7 (.1285...30)			14 (.1285...30)
Manifold Pressure (in. wg)				3.3				3.3				3.3			3.3
Line Pressure (in. wg) (min...max)				5.0...13.0				5.0...13.0				5.0...13.0			5.0...13.0
Firing Stages				2				2				2			2
Number of Gas Valves				1				2				1			2
CONDENSER FANS									Propeller Type
Quantity...Diameter (in.)						3...30								3...30
Nominal Cfm						26,000								26,000
Motor Hp...Rpm						1.0...1140								1.0...1140
SUPPLY FAN									Centrifugal 25 x 25 in.
Nominal Cfm						14,000								14,000
Maximum Allowable Cfm						20,000								20,000
Maximum Allowable Rpm						900								900
Shaft Diameter at Pulley (in.)						111/16								111/16
SUPPLY-FAN MOTOR AND DRIVE									(Any motor available on any unit)
Motor Hp				7.5		10			15		20			25	30*
Motor Frame Size				213T		215T			254T			256T		284T	286T
Efficiency at Full Load (%)
	High Efficiency			88.5		89.5			91.0		91.0			91.7	92.4
	Premium Efficiency			91.7		91.7			93.0		93.6			93.6	93.6
Fan Pulley Pitch Diameter (in.)				13.7		13.7			13.7		13.7			13.7	12.5
Motor Pulley Pitch Diameter (in.)				3.4		4.3			4.9		5.5			6.5	6.5
Resulting Fan Speed (rpm)				438		549			626		703			830	910
Belts Quantity...Type				2...BX60		2...5VX630			2...5VX630			2...5VX630		2...5VX650	3...5VX630
Center Distance Range (in.)				17.74-14.30		17.74-14.30			17.63-14.01		17.63-14.01			16.63-12.87	16.63-12.87
OPTIONAL POWER EXHAUST							Centrifugal, 18 x 15 in. (Any motor available on						any unit)
Quantity...Motor Hp				2...3.0				2...5.0				2...7.5			2...10
Motor Frame Size			High Eff	56HZ					184T			213T			215T
Efficiency at Full Load (%) High/Premium			Prem Eff	182T					184T			213T			215T
				81.0/88.5				87.5/89.5				88.5/91.7			89.5/91.7
Fan Pulley Pitch Diameter (in.)			High Eff	11				10.4				12			12
			Prem Eff	11.0				10.4				12			12
Motor Pulley Pitch Diameter Range (in.)			High Eff	4.1-3.1				4.7-3.7				6.0-4.8			7.0-5.8
Motor Pulley Pitch Diameter Factory Setup (in.)			Prem Eff	4.1-3.1				4.7-3.7				6.0-4.8			7.0-5.8
				4.1				4.2				5.4			6.4
Blower Shaft Diameter at Pulley (in.)				17/16				17/16				17/16			17/16
Fan Rpm Range				500-656				621-785				717-882			854-1000
Factory Setup Fan Rpm				656				703				800			927
Maximum Allowable Rpm				1000				1000				1000			1000
Belts Quantity...No.			High Eff	1...BX71					1...BX71			1...BX77			1...BX79
Center Distance Range (in.)			Prem Eff	1...BX71					1...BX71			1...BX77			1...BX79
				23.62-26.50				23.62-26.50				23.62-26.50			23.62-26.50
FILTERS
Standard Efficiency Throwaway (Standard)						8...20 x 25 x 2								8...20 x 25 x 2
	Quantity...Size (in.)					8...20 x 20 x 2								8...20 x 20 x 2
Medium Efficiency (30%) Pleated (Optional)						8...20 x 25 x 2								8...20 x 25 x 2
	Quantity...Size (in.)					8...20 x 20 x 2								8...20 x 20 x 2
High Efficiency (90%) Bag Filters
	with High Velocity Prefilters (Optional)
	Quantity...Size (in.)				6...20 x 24 x 22									6...20 x 24 x 22
	Bag Filter
					6...20 x 20 x 22									6...20 x 20 x 22
	Prefilter				12...16 x 20 x 2									12...16 x 20 x 2
						3...20 x 24 x 2								3...20 x 24 x 2
OUTSIDE AIR SCREENS
Standard Hood (25%) Quantity...Size (in.)						None								None
OPTIONAL ECONOMIZER FILTER						5...20 x 20 x 2			Aluminum Frame, Permanent					5...20 x 20 x 1
Quantity...Size (in.)
						2...20 x 25 x 1								2...20 x 25 x 1
	LEGEND
CV	— Constant Volume
HGBP	— Hot Gas Bypass
MBtuh	—	Btuh in Thousands
TXV	—	Thermostatic Expansion Valve
VAV	—	Variable Air Volume

*460-3-60 only.

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