Troubleshooting Guide; Piping System - LG LWHD1500ER Service Manual

Troubleshooting Guide

Troubleshooting Guide

Piping System

CONDENSER COIL
FAN
MOTOR
EVAPORATOR COIL
Figure 29 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.
EVAPORATOR COILS
COOLED
AIR
LIQUID
PRESSURE
DROP
22 Room Air Conditioner
ROOM AIR CONITIONER
CYCLE OF REFRIGERATION
SUCTION LINE
COMPLETE LIQUID
COOL LOW PRESSURE VAPOR
BOIL OFF POINT
ROOM AIR HEAT LOAD
MOTOR
COMPRESSOR
OIL
(LIQUID REFRIGERANT)
CAPILLARY TUBE
VAPOR INLET
OUTSIDE COOLING
AIR FOR REFRIGERANT
PASS THROUGH
Figure 29
CAPILLARY TUBE
COMPRESSOR
TURBO FAN
CONDENSER COILS
HOT
DISCHARGED
AIR
LIQUID OUTLET
HIGH PRESSURE VAPOR
LIQUID REFRIGERANT
LOW PRESSURE VAPOR