LG LWJ0561ACG / LWJ0561ACP_AAG / W05LC Service Manual ▷ View online
Room Air Conditioner
SERVICE MANUAL
MODEL: LWJ0561ACG
LWJ0561ACP/AAG
CAUTION
- BEFORE SERVICING THE UNIT, READ THE "SAFETY
PRECAUTIONS" IN THIS MANUAL.
- ONLY FOR AUTHORIZED SERVICE PERSONNEL.
E-MAIL
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CONTENTS
1. PREFACE
.................................................................................................................................................. 3
1.1 FEATURES ................................................................................................................................................... 3
1.2 SPECIFICATIONS ........................................................................................................................................ 3
1.3 LOCATIONS OF CONTROLS ...................................................................................................................... 4
1.4 SAFETY PRECAUTIONS ............................................................................................................................. 4
1.5 INSULATION RESISTANCE TEST .............................................................................................................. 4
2. DISASSEMBLY INSTRUCTIONS
............................................................................................... 5
2.1 MECHANICAL PARTS ................................................................................................................................. 5
2.1.1 FRONT GRILLE ................................................................................................................................... 5
2.1.2 CABINET................................................................................................................................................5
2.1.3 CONTROL BOARD .............................................................................................................................. 5
2.2 AIR HANDLING PARTS ............................................................................................................................... 6
2.2.1 AIR GUIDE UPPER ............................................................................................................................. 6
2.2.2 ORIFICE, TURBO FAN AND FAN ........................................................................................................ 6
2.2.3 MOTOR ................................................................................................................................................. 7
2.2.4 AIR GUIDE ............................................................................................................................................ 7
2.3 ELECTRICAL PARTS ................................................................................................................................... 7
2.3.1 OVERLOAD PROTECTOR .................................................................................................................. 7
2.3.2 COMPRESSOR ................................................................................................................................... 7
2.3.3 CAPACITOR ......................................................................................................................................... 8
2.3.4 THERMOSTAT ..................................................................................................................................... 8
2.3.5 ROTARY SWITCH ................................................................................................................................ 8
2.3.6 POWER CORD .................................................................................................................................... 8
2.4 REFRIGERANT CYCLE ................................................................................................................................8
2.4.1 CONDENSER ...................................................................................................................................... 8
2.4.2 EVAPORATOR ..................................................................................................................................... 9
2.4.3 CAPILLARY TUBE ............................................................................................................................... 9
3. INSTALLATION
................................................................................................................................... 11
3.1 SELECT THE BEST LOCATION ................................................................................................................ 11
3.2 CHECK OF INSTALLATION ....................................................................................................................... 11
3.3 HOW TO DRAIN ......................................................................................................................................... 11
3.4 HOW TO INSTALL ...................................................................................................................................... 12
4. TROUBLESHOOTING GUIDE
................................................................................................... 12
4.1 OUTSIDE DIMENSION .............................................................................................................................. 12
4.2 PIPING SYSTEM ....................................................................................................................................... 13
4.3 TROUBLESHOOTING GUIDE ................................................................................................................... 14
5. SCHEMATIC DIAGRAM
................................................................................................................. 19
5.1 CIRCUIT DIAGRAM .................................................................................................................................... 19
6. EXPLODED VIEW
............................................................................................................................. 21
7. SERVICE PARTS LIST
................................................................................................................... 22
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1. PREFACE
This service manual provides various service information, including the mechanical and electrical parts, etc.
This room air conditioner was manufactured and assembled under a strict quality control system.
The refrigerant is charged at the factory. Be sure to read the safety precautions prior to servicing the unit.
This room air conditioner was manufactured and assembled under a strict quality control system.
The refrigerant is charged at the factory. Be sure to read the safety precautions prior to servicing the unit.
1.1 FEATURES
• DESIGNED FOR COOLING ONLY
• POWERFUL AND INCREDIBLE COOLING
• TOP-DOWN CHASSIS FOR THE SIMPLE INSTALLATION AND SERVICE
• BUILT-IN ADJUSTABLE THERMOSTAT
• WASHABLE ONE-TOUCH FILTER
• COMPACT SIZE
• POWERFUL AND INCREDIBLE COOLING
• TOP-DOWN CHASSIS FOR THE SIMPLE INSTALLATION AND SERVICE
• BUILT-IN ADJUSTABLE THERMOSTAT
• WASHABLE ONE-TOUCH FILTER
• COMPACT SIZE
1.2 SPECIFICATIONS
• NOTE: Specifications are subject to minor change without notice for further improvement.
MODELS
ITEMS
COOLING CAPACITY (BTU/h)
5,000
POWER SUPPLY (Phase, V, Hz)
1Ø, 220-240V, 50HZ
INPUT (W)
625
OPERATING CURRENT (AMP.)
2.8
REFRIGERANT CONTROL
CAPILLARY TUBE
REFRIGERANT CHARGE (R-22)
200g
INSIDE FAN
TURBO
OUTSIDE FAN
PROPELLER FAN WITH SLINGER RING
AIR DISCHARGE
2-WAY (RIGHT AND LEFT)
CHASSIS
TOP-DOWN
PROTECTOR
TEMPERATURE CONTROL
THERMOSTAT
ROTARY SWITCH
5 STEP (LOW FAN, HIGH FAN, OFF, HIGH COOL, LOW COOL)
FAN MOTOR
4 POLES, 18W
• OVERLOAD PROTECTOR FOR COMPRESSOR
• INTERNAL PROTECTOR FOR FAN MOTOR
• INTERNAL PROTECTOR FOR FAN MOTOR
LWJ0561ACG, LWJ0561ACP/AAG
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1.3 LOCATIONS OF CONTROLS
1.4 SAFETY PRECAUTIONS
1. When servicing, set the ROTARY SWITCH to
Off ( 0 ) and unplug the power cord.
2. Observe the original lead dress.
If a short circuit is found, replace all parts which
have been overheated or damaged by the short cir-
cuit.
have been overheated or damaged by the short cir-
cuit.
3. After servicing, make an insulation resistance test
to prevent the customer from being exposed to
shock hazards.
shock hazards.
1.5 INSULATION RESISTANCE TEST
1. Unplug the power cord and connect a jumper
between 2 pins (black and white).
2. The grounding conductor (green or green and yel-
low) is to be open.
3. Measure the resistance value with an ohm meter
between the jumpered lead and each exposed
metallic part on the equipment at all position
[except Off ( 0 )] of the ROTARY SWITCH.
metallic part on the equipment at all position
[except Off ( 0 )] of the ROTARY SWITCH.
4. The value should be over 1 M
Ω
.
CAUTION : After switching the air conditioner from Cool to Off ( 0 ) or Fan, wait at least 3 minutes before
switching it back to Cool.
Off
(
) : Turns air conditioner off.
High Fan
(
) : High speed fan operation with-
out cooling.
Low Fan
(
) : Low speed fan operation with-
out cooling.
High Cool (
) : Cooling with high speed fan
operation.
Low Cool (
) : Cooling with low speed fan
operation.
This automatically controls the temperature of the
indoor air.
Turn the knob so that the arrow points to the
larger marks for greater cooling. Point the arrow to
the smaller marks for more moderate cooling.
(i.e. the higher the number, the greater the
cooling)
indoor air.
Turn the knob so that the arrow points to the
larger marks for greater cooling. Point the arrow to
the smaller marks for more moderate cooling.
(i.e. the higher the number, the greater the
cooling)
Operation
High
Fan
Low
Fan
High
Cool
Cool
Off
Low
Cool
Thermostat
1
2
3
4
5
6
7
8
9
Thermostat
1
2
3
4
5
6
7
8
9
COOLER
Operation
0
FA
N
COO
L
0
