LG Electronics 230/208V 5. TROUBLESHOOTING GUIDE

—26—

5. TROUBLESHOOTING GUIDE

5.1 OUTSIDE DIMENSIONS

1,066mm(42")

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.

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 COILSCYCLE OF REFRIGERATION

Figure 21

Contents

Main 1. PREFACE 2. DISASSEMBLY INSTRUCTIONS 1.2 5. 1. PREFACE CONTENTS 1.1 SAFETY PRECAUTIONS INSULATION RESIST ANCE TEST 1.1 SPECIFICATIONS LP 12 0 C M 2 Cooling / Electric Heater Cooling / Heat Pump / Electric 1.2 features Page 1.3 CONTROL LOCATIONS OPERATION NOTE ELECTRIC HEATING MODEL COOLING ONLY MODEL VENTILATION 1.4 ADDITIONAL CONTROLS REMOVING THE FRONT GRILLE ADDITIONAL CONTROLS TEMPERATURE LIMITING Remote/Local Energy Saver Temperature Limit 1 Temperature Limit 2 Temperature Limit 3 REMOTE/LOCAL CONTROL ENERGY SAVER FRONT DESK CONTROL REMOTE WALL THERMOSTAT 2.1 MECHANICAL PARTS 2. DISASSEMBLY INSTRUCTIONS 2.1.2 CONTROL BOX (Half-Disassembly) 2.1.3 CONTROL BOX (Full-Disassembly) 2.2 AIR HANDLING PARTS 2.2.1 HEATER ASSEMBLY AND CROSS FLOW FAN 2.2.2 FAN 2.2.3 SHROUD 2.3 ELECTRICAL PARTS 2.3.1 OUTDOOR MOTOR 2.3.2 INDOOR MOTOR 2.3.3 COMPRESSOR 2.3.4 CAPACITOR 2.3.5 POWER CORD 2.3.6 P.C.B. 2.4 REFRIGERATION CYCLE 2.4.1 CONDENSER 2.4.2 EVAPORATOR 2.4.3 CAPILLARY TUBE Page Page 3. INSTALLATION 3.1 HOW TO INSTALL THE UNIT Dimension of sleeve assembly (optional) A. BEFORE ATTACHING THE FRONT GRILLE TO THE SLEEVE, IF YOU WANT TO PULL OUT THE FILTER UPWARD; B. IF YOU WANT TO PULL OUT THE FILTER DOWNWARD; 3.2 SUGGESTED TOOL REQUIREMENTS 3.2.3 UNIT INSTALLATION 3.3 ELECTRICAL REQUIREMENTS 3.3.1 ELECTRICAL DATA (FOR 230/208V MODEL) 3.3.2 ELECTRICAL SAFETY 4. PERFORMANCE DATA Air Conditioner Performance Data Heat Pump Performance Data Cooling Wattage - Air Conditioners Cooling Wattage - Heat Pumps Cooling change of temperature - Air Conditioners Cooling Change of Temperature - Heat Pumps Cooling Ampere Chart - Air Conditioners Heating Change of Temperature - Heat Pumps Cooling Ampere Chart - Heat Pumps 5. TROUBLESHOOTING GUIDE 5.1 OUTSIDE DIMENSIONS Figure 21 EVAPORATOR COILS CONDENSER COILS 406mm(16") 5.3 TROUBLESHOOTING GUIDE Page Page ROOM AIR CONDITIONER VOLTAGE LIMITS Page 6. SCHEMATIC DIAGRAM 7. EXPLODED VIEW C D F E A B 8. REPLACEMENT PARTS LIST