York R-410A manual YTG-G-0708, ZR180-300Physical Data, Johnson Controls Unitary Products

251934-YTG-G-0708

ZR180-300 Physical Data

Component						Models
	ZR180			ZR240					ZR300
Nominal Tonnage		15			20			25
ARI COOLING PERFORMANCE
Gross Capacity @ ARI A point (Btu)		189			243			303
ARI net capacity (Btu)		183			235			288
EER		11.6			12.1			10.5
SEER		-			-			-
IPLV		12.4			13.8			11.3
Nominal CFM	6000			8000				10000
System power (KW)	14.40			20.10				28.50
Refrigerant type	R-410a			R-410a					R-410a
Refrigerant charge (lb-oz)
System 1		22			24			25
System 2		22			24			24-8
ARI HEATING PERFORMANCE
Heating model	24		32	24		32	24		32
Heat input (K Btu)	300		400	300		400	300		400
Heat output (K Btu)	240		320	240		320	240		320
AFUE %	-		-	-		-	-		-
Steady state efficiency (%)	80		80	80		80	80		80
No. burners	6		8	6		8	6		8
No. stages	2		2	2		2	2		2
Temperature Rise Range (ºF)	20-50		30-60	20-50		30-60	20-50		30-60
Gas Limit Setting (ºF)	195		195	195		195	195		195
Gas piping connection (in.)	1		1	1		1	1		1
DIMENSIONS (inches)
Length					180-19/32
Width					92
Height					52-5/8
OPERATING WT. (lbs.)	2360			2660				2760
COMPRESSORS
Type	Scroll			Scroll					Scroll
Quantity		2			2			2
Unit Capacity Steps (%)	50 / 100			50 / 100				50 / 100
CONDENSER COIL DATA
Face area (Sq. Ft.)		63.8			63.8			63.8
Rows		2			2			2
Fins per inch		20			20			20
Tube diameter (in.)		3/8			3/8			3/8
Circuitry Type	Split-face			Split-face					Split-face
EVAPORATOR COIL DATA
Face area (Sq. Ft.)		20			20			20.52
Rows		3			4			4
Fins per inch		13.5			13.5			13.5
Tube diameter		3/8			3/8			3/8
Circuitry Type	Intertwined			Intertwined				Intertwined
Refrigerant control		TXV			TXV				TXV
REHEAT COIL DATA
Face area (Sq. Ft.)		17.2			17.2			17.2
Rows		2			2			2
Fins per inch		13			13			13
Tube diameter		3/8			3/8			3/8

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