LG Electronics 230/208V service manual Troubleshooting Guide, Outside Dimensions, Piping System

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5. TROUBLESHOOTING GUIDE

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 Fig. 21 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

 

 

Figure 21

LOW PRESSURE VAPOR

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Contents LG Room Air Conditioner Contents PrefaceCooling / Heat Pump / Electric SpecificationsCooling / Electric Heater Features Condensate Drain Valve Ventilation Control LocationsOperation Electric Heating Model Cooling only ModelRemoving the Front Grille Temperature LimitingAdditional Controls Additional ControlsFront Desk Control REMOTE/LOCAL ControlEnergy Saver Remote Wall ThermostatFront Grille Disassembly InstructionsMechanical Parts Control BOX Half-Disassembly Control BOX Full-Disassembly2 FAN Heater Assembly and Cross Flow FANAIR Handling Parts Outdoor Motor Electrical PartsShroud CompressorPower Cord 6 P.C.BEvaporator Refrigeration CycleCondenser Capillary TubePage Pulling Vacuum Dimension of sleeve assembly optional HOW to Install the UnitDimension of air conditioner If YOU Want to Pull OUT the Filter DownwardSleeve Hardware Suggested Tool RequirementsPreparation of the Front Grille Assemble the Wall SleeveUnit Installation Electrical Data for 230/208V Model Electrical SafetyElectrical Requirements Important Grounding InstructionsAir Conditioner Performance Data Heat Pump Performance DataCooling Wattage Air Conditioners LP120CEMCooling Wattage Heat Pumps Cooling change of temperature Air Conditioners Cooling Change of Temperature Heat PumpsCooling Ampere Chart Heat Pumps Heating Change of Temperature Heat PumpsCooling Ampere Chart Air Conditioners Piping System Troubleshooting GuideOutside Dimensions Troubleshooting Guide Fails to Start Complaint Cause Remedy Room AIR Conditioner Voltage Limits Name Plate Rating Minimum MaximumComplaint Cause Remedy Schematic Diagram Location Description QTY Remarks PER SETExploded View Replacement Parts List Description Remark LP090HEM LP120CEM LP120HEMNo A20308H May