Carrier Z8075-105, ZN030-105, Z6, 48ZG installation instructions E - Physical Data 48ZT,ZW075-105

Table 1E — Physical Data (48ZT,ZW075-105)

BASE UNIT			48ZT,ZW075						48ZT,ZW090							48ZT,ZW105
NOMINAL CAPACITY (tons)				75						80					100
OPERATING WEIGHT (lb)
Base Unit without Economizer
Low Heat/High Heat			13,205/13,380					13,415/13,590							14,145/14,320
COMPRESSOR								Semi-Hermetic
Number				2						2								4
Circuit (No. Cyl)			A (6)		B (6)			A (6)				B (6)			A1 (6), A2 (4)					B1 (6), B2 (4)
Model 06E			-275		-299			-299			-299				-275, -250					-275, -250
Oil Charge (pints)			19		19			19			19				19, 14					19, 14
Capacity Steps (%)
CV			43,100							50,100					50,100
VAV			14,29,43,51,66,71,86,100					17,33,50,67,83,100							20,30,40,50,60,70,80,90,100
Number of Refrigerant Circuits				2						2								2
REFRIGERANT										R-22
Operating Charge (lb), Ckt 1/Ckt 2
Standard Evaporator Coil			70.5/64.5					64.0/64.0							68.0/68.0
Standard Evaporator with HGBP			73.5/64.5					67.0/64.0							71.0/68.0
Alternate High-Capacity Evaporator Coil			83.0/75.0					76.0/76.0							79.5/79.5
Alternate High-Capacity Evaporator with HGBP			86.0/75.0					79.0/76.0							82.5/79.5
CONDENSER COILS								3/8-in. Tube Diameter
Quantity				4						4								4
Rows...Fins/in.
Aluminum			3...17.0							3...17.0					3...17.0
Copper (Optional)			3...15.7							3...15.7					3...15.7
Fin Type			Double Wavy					Lanced, Sine-wave								Lanced, Sine-wave
Tube Type			Smooth					Cross-Hatched								Cross-Hatched
Total Face Area (sq ft)			108.4							108.4					108.4
EVAPORATOR COILS
Quantity										2
Total Face Area (sq ft)										61.5
Refrigerant Feed Device...No. per Circuit										TXV...2
Standard Evaporator Coils			1/2 in. Tube Dia					3/8 in. Tube Dia								3/8 in. Tube Dia
Rows...Fins/in.			4...17.0							4...17.0					4...17.0
Fin Type			Double Wavy					Lanced, Sine Wave								Lanced, Sine Wave
Tube Type			Smooth					Cross Hatched								Cross Hatched
Alternate, High-Capacity Evaporator Coils								1/2 in. Tube Dia
Rows...Fins/in.			6...16							6...16					6...16
Fin Type			Double Wavy						Double Wavy							Double Wavy
Tube Type			Cross Hatched					Cross Hatched								Cross Hatched
HEATING SECTION			Low Heat		High Heat			Low Heat				High Heat			Low Heat					High Heat
Number of Heat Exchangers			2		3			2			3				2					3
Input (MBtuh)			650		975			650			975				650					975
Output (MBtuh)			527		790			527			790				527					790
Temperature Rise Range (F)			10-40		20-50			10-40			20-50				10-40					20-50
Efficiency (%)			81		81			81			81				81					81
Burner Orifice Diameter
Quantity (in. ...drill no.)			14 (.1285...30)		21 (.1285...30)			14 (.1285...30)			21 (.1285...30)			14 (.1285...30)						21 (.1285...30)
Manifold Pressure (in. wg)			3.3		3.3			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				5.0...13.0					5.0...13.0
Number of Gas Valves			2		3			2			3				2					3
CONDENSER FAN									Propeller			Type
Quantity...Diameter (in.)			5...30							6...30					6...30
Nominal Cfm			50,000							60,000					60,000
Motor Hp (ea)...rpm			1.0...1140					1.0...1140							1.0...1140
STANDARD SUPPLY FAN								Forward Curved Centrifugal 36 x 30						in.
Nominal Cfm			24,500							29,750					35,000
Maximum Allowable Cfm			30,000							34,000					40,000
Maximum Allowable Rpm			670							670					670
Shaft Diameter at Pulley (in.)			111/16							111/16					111/16
STANDARD SUPPLY-FAN MOTOR AND DRIVE								(Any motor available on any unit)
Motor Hp				30			40					50						60
Motor Frame Size				S268T				S324T				S36T					S364T
Efficiency at Full Load (%)
High Efficiency				92.4			93.0					93.0						93.6
Premium Efficiency				93.6			94.5					94.5						95.4
Fan Pulley Pitch Diameter (in.)				18.5			18.5					18.5						18.5
Motor Pulley Pitch Diameter (in.)				5.3			5.7					6.5						7.1
Resulting Fan Rpm				501			539					615						672
Belts	Quantity...Type		3...5VX1320					4...5VX1320				4...5VX1320				4...5VX1320
Center Distance Range (in.)			47.88-45.01				47.64-44.76					47.42-44.52				47.42-44.52
ALTERNATE, AIRFOIL FAN										Airfoil
Nominal Airflow (cfm)			24,500							29,750					35,000
Maximum Allowable Airflow (cfm)			30,000							34,000					40,000
Maximum Allowable Wheel Speed (rpm)			1846							1846					1846
Shaft Diameter at Pulley (in.)			211/16							211/16					211/16
ALTERNATE SUPPLY-FAN MOTOR AND DRIVE								(Any motor available on any unit)
Motor Hp			30				40			50					60			75
Motor Frame Size			S268T				S324T				S36T			S364T						365T
Efficiency at Full Load (%)
High Efficiency			92.4				93.0			93.0					93.6			94.1
Premium Efficiency			93.6				94.5			94.5					95.4			95.4
Fan Pulley Pitch Diameter (in.)				9.7			10.2			8.9					8.9			10.8
Motor Pulley Pitch Diameter (in.)				7.5			8.7			8.1					8.7			11.1
Resulting Fan Rpm			1353				1493			1593					1711			1799
Belts	Quantity...Type		2...5VX1150			2...5VX1180				3...5VX1150			3...5VX1150						3...5VX1230
Center Distance Range (in.)			42.96-45.82			42.96-45.57				42.96-45.57			42.45-45.35					42.45-45.35

10