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Carrier appendix 38AUZ*07-14Unit Dimensions

Models: 38AUZ

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Fig. 1 — 38AUZ*07-14 Unit Dimensions

	Standard		Corner			Corner			Corner			Corner				Center of Gravity				Unit Height
UNIT	Weight			A			B			C			D			Center of Gravity				Unit Height
UNIT	Weight			A			B			C			D
	lbs.	kg.	lbs.		kg.	lbs.		kg.	lbs.		kg.	lbs.		kg.	X		Y		Z	H
38AUZ*07	328	149	128		58	68		31	62		28	70		32	21.00		19.00		13.00	42.36
38AUZ*07	328	149	128		58	68		31	62		28	70		32	[533.4]		[482.6]		[330.2]	[1076.0]
															[533.4]		[482.6]		[330.2]	[1076.0]
38AUZ*08	353	160	138		63	72		33	65		29	78		35	19.00		23.00		13.00	42.36
38AUZ*08	353	160	138		63	72		33	65		29	78		35	[482.6]		[584.2]		[330.2]	[1076.0]
															[482.6]		[584.2]		[330.2]	[1076.0]
38AUZ*12	418	190	165		75	85		39	78		35	90		41	23.00		20.00		15.00	50.36
38AUZ*12	418	190	165		75	85		39	78		35	90		41	[584.2]		[508.0]		[381.0]	[1279.2]
															[584.2]		[508.0]		[381.0]	[1279.2]
38AUZ*14	431	196	162		73	82		37	92		42	95		43	19.00		23.00		15.00	50.36
38AUZ*14	431	196	162		73	82		37	92		42	95		43	[482.6]		[584.2]		[381.0]	[1279.2]
															[482.6]		[584.2]		[381.0]	[1279.2]

Fig. 1 — 38AUZ*07-14 Unit Dimensions

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Carrier appendix 38AUZ*07-14Unit Dimensions

Contents

38AUZ CONTENTSSAFETY CONSIDERATIONS Installation, Start-Upand Service InstructionsUNIT OPERATION AND SAFETY HAZARD INSTALLATION GUIDELINEReplacement /Retrofit - R22 to Puron InstallationFig. 1 - 38AUZ*07-14Unit Dimensions UNIT SIZE 38AU UNIT SIZE 38AU Fig. 2 - Model Number Nomenclature 3 8 A UZ A 0 4 A 0 A 0 AJobsite Survey INSTALLATIONStep 2 - Complete Pre-InstallationChecks Step 5 - Complete Refrigerant Piping ConnectionsINSTALL LIQUID LINE SOLENOID VALVE Optional UNIT OPERATION AND SAFETY HAZARD Step 6 - Install AccessoriesField Power Supply Step 7 - Complete Electrical ConnectionsFIRE HAZARD Units Without Factory-InstalledDisconnectUnits with Factory-InstalledDisconnect Convenience OutletsInstalling Weatherproof Cover Thermostat All UnitsLocked Rotor Amps Table 5 - Electrical Data - 38AUZ*07-1460 Hz Units Full Load AmpsPRELIMINARY CHECKS PRE-START-UPSTART-UP System CheckADVANCED SCROLL TEMPERATURE PROTECTION ASTP - Advanced Scroll Temperature Protection ASTP is a form of internal discharge temperature protection, used in 38AUZ*12 and 38AUZ*14 units, that unloads the scroll com- pressor when the internal temperature reaches approximately 300F. At this temperature, an internal bi-metaldisk valve opens and causes the scroll elements to separate, which stops compression. Suction and discharge pressures balance while the motor continues to run. The longer the compressor runs un- loaded, the longer it must cool before the bi-metaldisk resets. See Fig Fig. 16 - 38AUZ*07 Charging Chart Fig. 17 - 38AUZ*08 Charging ChartFig. 18 - 38AUZ*12 Charging Chart Fig. 20 - 38AU Wiring Diagram Fig. 19 - 38AUZ*14 Charging ChartBase Unit Controls ROUTINE SYSTEM MAINTENANCESeasonal Maintenance OPERATING SEQUENCESERVICE Comfort Alert Diagnostic ModuleInput Status LED Description Status LED Troubleshooting InformationTable 6 - LED Status Codes Status LEDLubrication Compressor ProtectionFactory High-FlowAccess Ports NOVATION Coil Cleaning and MaintenanceRepairing NOVATION Condenser Tube Leaks Field Refrigerant Access PortsSEAT TROUBLESHOOTINGFASTENER TORQUE VALUES Fig. 22 - CoreMax Access Port AssemblyTROUBLESHOOTING cont APPENDIX Catalog No 38AU-01SI Edition Date 03/09Replaces NEW CONTROLS I. PRELIMINARY INFORMATIONII. PRE-START-UP OUTDOOR UNITCHECK INDOOR UNIT FAN SPEED AND RECORD