LG Electronics LP121HEM-Y8 manual Troubleshooting Guide, Outside Dimensions, Piping System

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5. TroubleshootingGuide

5.1 OUTSIDE DIMENSIONS

1,066mm (42")

406mm (16")

505mm (20")

406mm (16")

5.2 PIPING SYSTEM

Following is a brief description of the important components and their functions in the refrigeration system. Refer to Figure 66 to follow the refrigeration cycle and the flow of the refrigerant in the cooling cycle.

ROOM AIR CONDITIONER

CYCLE OF REFRIGERATION

EVAPORATOR COILS

CONDENSER COILS

COOLED AIR

	SUCTION LIME	VAPOR INLET
COMPLETE LIQUID
	COOL LOW PRESSURE VAPOR
BOIL OFF POINT

ROOM AIR HEAT LOAD

OUTSIDE COOLING

AIR FOR REFRIGERANT

PASS THROUGH

MOTOR

COMPRESSOR

OIL

HOT DISCHARGED AIR

LIQUID PRESSURE DROP

LIQUID OUTLET

(LIQUID REFRIGERANT)

HIGH PRESSURE VAPOR

CAPILLARY TUBE		LIQUID PEFRIGERANT
CAPILLARY TUBE

Figure 62

LOW PRESSURE VAPOR

Copyright ©2008 LG Electronics. Inc. All right reserved.	- 38 -
Only for training and service purposes	LGE Internal Use Only
Only for training and service purposes

Image 38

Contents SVC Manual Specification LGE Internal Use OnlyFeatures and Benefits Sleeve and the Rear GrilleTemperature limits Door Switch/Occupancy SensorOutdoor Air Temperature Switchover Quick Heater RecoveryVentilation Control LocationsOperation Electric Heating Model Cooling only ModelRemoving the Front Grille Temperature LimitingAdditional Controls Additional ControlsEnergy Saver Molex Housing SpecREMOTE/LOCAL Control Front Desk ControlFront Grille Disassembly InstructionsMechanical Parts Control BOX AIR Handling Parts Electric Heater Electric Heater Model onlyCross Flow FAN Axial FANOutdoor Motor Electrical PartsShroud CompressorPower Cord 6 P.C.BEvaporator Refrigeration CycleCondenser Capillary TubeLGE Internal Use Only Pulling Vacuum Dimension of air conditioner InstallationHOW to Install the Unit Dimension of sleeve assembly optionalGeneral Wall Sleeve InstallationWall Case Installation Data Preparation of the Front Grille Installation of Wall Case in Wall OpeningAs shipped, the LG wall sleeve is ready for installation Preparation of the Wall Case for All Types of ConstructionLGE Internal Use Only Sub-Base Connected Unit Installation Electrical Data for 230/208V Model Electrical SafetyElectrical Requirements 208, 230, and 208/230 Volt UnitsControl Panel Key Lock Field Installed AccessoriesInstallation DescriptionHazardous Voltage Condensate Disposal Pump Kit InstallationPart No AYSB2101 Place the top cover assembly back into the unit Spraying Architecture Grille Aluminum Single Pack Architectural GrillePart No AYDR101 Drain InstallationCondensate Drain kit Outdoor Drain Kit Installation Outdoor Drain Kit InstallationLeveling Legs Indoor Drain Kit InstallationChecklist Part No AYLL101Leveling Leg Assembly Leveling Leg Assembly Installation on Wall SleevePart No AYAGALA01 Hard Wire KitJunction Box Kit Installation and Wiring Procedure Use Copper Conductors Only208/230 Volt Units Volt UnitsRemote Escutcheon Kit Part No AYRE110Subbase Part No AYSB1101 230/208V 20A AYSB2101 230/208V 30ASkirting Hole Location Right Cover Assembly After wiring is complete, mount covers a and F toTo each installation instruction for that accessory Subbase with provided screws. FigurePiping System Troubleshooting GuideOutside Dimensions 066mm 406mm 505mmTroubleshooting Guide Fails to Start Complaint Cause Remedy Room AIR Conditioner Voltage Limits 208/230V 187V 253VComplaint Cause Remedy Th3 Thermistor for outdoor Air temperature Piping DiagramsTh2 Thermistor for Evaporator pipe temperature Th4 Thermistor for Condenser pipe Air temperatureSchematic Diagram CN-NNExploded View 435300BJanuary