Troubleshooting guide, 1 outside dimensions, 2 piping system – LG LP091HEM-Y8 User Manual

Page 38

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Copyright ©2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes

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5.1 OUTSIDE DIMENSIONS

1,066mm (42")

505mm (20")

406mm (16")

406mm (16")

5.2 PIPING SYSTEM

Following is a brief description of the important components and their functions in the refrigeration system.

Refer to Figure 66 to follow the refrigeration cycle and the flow of the refrigerant in the cooling cycle.

MOTOR

COMPRESSOR

OIL

(LIQUID REFRIGERANT)

CAPILLARY TUBE

OUTSIDE COOLING
AIR FOR REFRIGERANT
PASS THROUGH

SUCTION LIME
COOL LOW PRESSURE VAPOR

COOLED
AIR

COMPLETE LIQUID
BOIL OFF POINT

LIQUID
PRESSURE
DROP

ROOM AIR HEAT LOAD

VAPOR INLET

HOT
DISCHARGED
AIR

LIQUID OUTLET

HIGH PRESSURE VAPOR

LIQUID PEFRIGERANT

LOW PRESSURE VAPOR

ROOM AIR CONDITIONER

EVAPORATOR COILS

CONDENSER COILS

CYCLE OF REFRIGERATION

Figure 62

5. Troubleshooting Guide

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