Piping Diagrams, Heatig | LG Electronics LP121HEM-Y8 guide

6. PipingDiagrams

Th2

Th1

HEAT EXCHANGER (EVAPORATOR)

CAPILLARY TUBE

HEAT EXCHANGER (CONDENSER)

Th4

Th3

REVERSING VALVE

ACCUMULATOR

	COMPRESSOR	Cooling
	COMPRESSOR	Heatig
		Heatig

LOC.	Description	PCB Connector

Th1	Thermistor for indoor Air temperature	CN-IDAT

Th2	Thermistor for Evaporator pipe temperature	CN-IDPT

Th3	Thermistor for outdoor Air temperature	CN-ODT

Th4	Thermistor for Condenser pipe Air temperature
Th4	Thermistor for Condenser pipe Air temperature

Copyright ©2008 LG Electronics. Inc. All right reserved.	- 44 -
Only for training and service purposes	LGE Internal Use Only
Only for training and service purposes

Page 44

Image 44

LG Electronics LP121HEM-Y8 manual Piping Diagrams, Heatig, Th2 Thermistor for Evaporator pipe temperature

Contents

SVC Manual Specification LGE Internal Use Only Features and Benefits Sleeve and the Rear Grille Door Switch/Occupancy Sensor Outdoor Air Temperature SwitchoverTemperature limits Quick Heater Recovery Control Locations Operation Electric Heating ModelVentilation Cooling only Model Temperature Limiting Additional ControlsRemoving the Front Grille Additional Controls Molex Housing Spec REMOTE/LOCAL ControlEnergy Saver Front Desk Control Front Grille Disassembly InstructionsMechanical Parts Control BOX AIR Handling Parts Electric Heater Electric Heater Model only Cross Flow FAN Axial FAN Electrical Parts ShroudOutdoor Motor Compressor Power Cord 6 P.C.B Refrigeration Cycle CondenserEvaporator Capillary Tube LGE Internal Use Only Pulling Vacuum Installation HOW to Install the UnitDimension of air conditioner Dimension of sleeve assembly optional General Wall Sleeve InstallationWall Case Installation Data Installation of Wall Case in Wall Opening As shipped, the LG wall sleeve is ready for installationPreparation of the Front Grille Preparation of the Wall Case for All Types of Construction LGE Internal Use Only Sub-Base Connected Unit Installation Electrical Safety Electrical RequirementsElectrical Data for 230/208V Model 208, 230, and 208/230 Volt Units Field Installed Accessories InstallationControl Panel Key Lock Description Hazardous Voltage Condensate Disposal Pump Kit InstallationPart No AYSB2101 Place the top cover assembly back into the unit Spraying Architecture Grille Aluminum Single Pack Architectural Grille Part No AYDR101 Drain InstallationCondensate Drain kit Outdoor Drain Kit Installation Outdoor Drain Kit Installation Indoor Drain Kit Installation ChecklistLeveling Legs Part No AYLL101 Leveling Leg Assembly Leveling Leg Assembly Installation on Wall Sleeve Hard Wire Kit Junction Box Kit Installation and Wiring ProcedurePart No AYAGALA01 Use Copper Conductors Only 208/230 Volt Units Volt Units Remote Escutcheon Kit Part No AYRE110 Subbase Part No AYSB1101 230/208V 20A AYSB2101 230/208V 30A After wiring is complete, mount covers a and F to To each installation instruction for that accessorySkirting Hole Location Right Cover Assembly Subbase with provided screws. Figure Troubleshooting Guide Outside DimensionsPiping System 066mm 406mm 505mm Troubleshooting Guide Fails to Start Complaint Cause Remedy Room AIR Conditioner Voltage Limits 208/230V 187V 253V Complaint Cause Remedy Piping Diagrams Th2 Thermistor for Evaporator pipe temperatureTh3 Thermistor for outdoor Air temperature Th4 Thermistor for Condenser pipe Air temperature Schematic Diagram CN-NN Exploded View 435300B January

LG Electronics LP121HEM-Y8 Piping Diagrams, Heatig, Th3 Thermistor for outdoor Air temperature

Models: LP121HEM-Y8

6. PipingDiagrams

REVERSING VALVE

ACCUMULATOR

COMPRESSOR

Heatig

Th2

Thermistor for Evaporator pipe temperature

Th3

Thermistor for outdoor Air temperature

CN-ODT

Th4

Thermistor for Condenser pipe Air temperature

LGE Internal Use Only