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4. TROUBLESHOOTING GUIDE
4.1 OUTSIDE DIMENSIONS
4.2 PIPING SYSTEM
CONDENSER COIL
FAN
MOTOR
Following is a brief description of the important components and their function in what is called the refrigeration
system. Reference should made to Figure 36 to follow the refrigeration cycle and the flow of the refrigerant in the
cooling cycle.
EVAPORATOR COILS
COOLED
AIR
LIQUID
PRESSURE
DROP
Copyright ©2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
11
525(20
/
")
16
ROOM AIR CONITIONER
CYCLE OF REFRIGERATION
SUCTION LINE
COMPLETE LIQUID
COOL LOW PRESSURE VAPOR
BOIL OFF POINT
ROOM AIR HEAT LOAD
COMPRESSOR
(LIQUID REFRIGERANT)
CAPILLARY TUBE
unit: mm(inch)
470(18
VAPOR INLET
OUTSIDE COOLING
AIR FOR REFRIGERANT
PASS THROUGH
MOTOR
OIL
Figure 36
- 18 -
1
/
")
2
CAPILLARY TUBE
COMPRESSOR
BLOWER
EVAPORATOR COIL
CONDENSER COILS
HOT
DISCHARGED
AIR
LIQUID OUTLET
HIGH PRESSURE VAPOR
LIQUID REFRIGERANT
LOW PRESSURE VAPOR
LGE Internal Use Only
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