LG Electronics LWP1820PDL, HB1803R, LWP1830WAL, LWP1820PEL Troubleshooting Guide, Piping System

Models: LWC183PLMD1 LW1800ERZ3 LWP1820PEL LW1800PR LWC182PLMM0 LWP1820PDL HB1803R LWP1830WAL LW1500PR LW1804ER LW1800PRZ3 LWC212PLMM0 LW1500PRY3

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Troubleshooting Guide

Troubleshooting Guide

Piping System

CONDENSER COIL

FAN

CAPILLARY TUBE

MOTOR

COMPRESSOR

TURBO FAN

EVAPORATOR COIL

Figure 31 is a brief description of the important components and their function in what is called the refrigeration system. This will help you to understand the refrigeration cycle and the flow of the refrigerant in the cooling cycle.

 

ROOM AIR CONITIONER

 

 

CYCLE OF REFRIGERATION

 

EVAPORATOR COILS

 

 

CONDENSER COILS

 

SUCTION LINE

VAPOR INLET

COMPLETE LIQUID

 

HOT

COOL LOW PRESSURE VAPOR

BOIL OFF POINT

DISCHARGED

 

 

COOLED

 

 

AIR

 

 

 

AIR

 

 

 

ROOM AIR HEAT LOAD

 

 

 

 

OUTSIDE COOLING

 

 

 

AIR FOR REFRIGERANT

 

MOTOR

PASS THROUGH

 

 

 

 

 

COMPRESSOR

 

 

 

OIL

 

 

LIQUID

 

 

LIQUID OUTLET

PRESSURE

 

 

DROP

 

 

 

(LIQUID REFRIGERANT)

 

HIGH PRESSURE VAPOR

 

 

 

CAPILLARY TUBE

 

LIQUID REFRIGERANT

 

 

 

Figure 31

 

LOW PRESSURE VAPOR

 

 

 

28Room Air Conditioner

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LG Electronics LWP1820PDL, HB1803R, LWP1830WAL, LWP1820PEL, LWC182PLMM0, LWC212PLMM0 Troubleshooting Guide, Piping System