LG Electronics Your Ultimate Guide to LG Air Conditioner Troubleshooting and Parts List

Page 85

Exploded View & Replacement Parts List

Parts List (A2UH243FA0(LMU240HE), A2UC243FA0 (LMU240CE))

Location

 

Part No.

SVC

Description

 

 

No.

A2UH243FA0(LMU240HE)

A2UC243FA0 (LMU240CE)

CODE

 

 

 

 

 

 

437210

PANEL ASSEMBLY,FRONT(SUB)

1A00197C

1A00197C

R

137213-1

PANEL ASSEMBLY,SIDE

1A00202F

1A00202F

R

137213-2

PANEL ASSEMBLY,SIDE

3A02284R

3A02284R

R

435300

GRILLE,REAR

1A00208H

1A00208H

R

435301

GRILLE,DISCHARGE

3530A20007J

3530A20007J

R

435512

COVER ASSEMBLY,TOP(OUTDOOR)

3551A30113C

3551A30113C

R

430411

BASE ASSEMBLY,OUTDOOR

3041AP2741G

3041AP2741G

R

554031

CONDENSER ASSEMBLY,BENDING

5403A20257A

5403A20022T

R

546810

MOTOR,UNCLASSIFIED

4681A20008E

4681A20008E

R

559010

FAN ASSEMBLY,PROPELLER

1A00195B

1A00195B

R

554160-1

COMPRESSOR SET, KOREA(LEFT)

2520UGHK2AA(GK141KAA)

2520UGHK2AA(GK141KAA)

R

554160-2

COMPRESSOR SET,KOREA(RIGHT)

2520UGJK2AA(GK094KAA)

2520UGJK2AA(GK094KAA)

R

447910

BARRIER ASSEMBLY,OUTDOOR

4791A30004H

4791A30004H

R

649950

CASE ASSEMBLY,CONTROL(OUTDOOR)

4995A00002G

4995A00002G

R

668711

PCB ASSEMBLY,MAIN

6871A20500B

6871A20500B

R

435511

COVER ASSEMBLY,CONTROL(OUTDOOR)

3551A10044E

3551A10044F

R

WOCZZ-1

CAPACITOR,FILM,BOX

2A00986G

2A00986G

R

WOCZZ-2

CAPACITOR,FILM,BOX

6120AR2194F

6120AR2194F

R

548490

ACCUMULATOR ASSEMBLY

4848A20012A

4848A20012A

R

561410

SOLENOID(COIL ASSEMBLY, REVERSE)

3A02028Z

-

R

552204-1

DRAWING,ASSEMBLY(EEV COIL)

6877A20050A

6877A20050A

R

552204-1

DRAWING,ASSEMBLY(EEV COIL)

6877A20050B

6877A20050B

R

552203-1

VALVE,SERVICE(Ø9.52)

5220A20001K

5220A20001K

R

552203-2

VALVE,SERVICE(Ø6.35)

2H02479J

2H02479J

R

561411

VALVE,EXPANSION BODY

6140A90001K

6140A90001K

R

552202

VALVE,REVERSE

5220AR3228E

5220AR3228E

R

552201

VALVE,CHECK

5220A30004A

5220A30004A

R

566000

SWITCH,PRESSURE

6600L000013

6600L000013

R

263230-1

THERMISTOR,NTC

6323A20026A

6323A20026A

R

263230-2

THERMISTOR,NTC

6323A20001N

6323A20001N

R

 

 

 

 

 

NOTE) *Please ensure GCSC since these parts may be changed depending upon the buyer's request. (GCSC WEBSITE http://biz.LGservice.com)

Solenoid(Coil Assempy, Reverse) is only for heat pump model.

Service Manual 85

Image 85
Contents Indoor Unit Room Type Art Cool Type Multi Type Air ConditionerTable of Contents Indoor Unit Model Number NomenclatureOutdoor Unit Combination table Symbols Used in this ManualInstallation Safety PrecautionsBe sure not to do Be sure to follow the instruction Control box securely Cuit and breakerBe cautious when unpacking Do not place anything on the power cableBe sure the installation area does not deteriorate with age OperationDo not allow water to run into electric parts Nect the power supply cableSmoke comes from product Hurricane arrivesInstall the drain hose to ensure that Keep level even when When the product is soakedInstalling the product Not enter the productAir flow OperationalVents, etc Not use harsh detergents, solWhen cleaning or maintaining Ly. Clean the filter every twoDo not step on or put anyting on the product. outdoor units Do not drink the water drained from the productIndoor Unit DimensionsSplit Type Indoor Outdoor Unit Indoor Unit Product SpecificationsModel A2UC243FA0LMU240CE A2UH243FA0LMU240HE Outdoor Unit Multiple piping modelsInstallation Parts InstallationInstallation Tools Select the best location Rooftop InstallationsOutdoor unit Multi Piping Type Piping length and elevation24k Fixing Installation PlateStandard Type Open panel front Preparing work for Installation Artcool Type OnlyRemove cover pipe and cover side Drain hose junctionPut an Installation Guide Map on the desired surface Sticking the installation guide map and fixing Indoor unitDrill a hole in the wall Drive the fore plastic anchors into drilled pointsFlaring work Flaring Work and Connection of PipingCheck Connecting the PipingIndoor Wrap the insulation material around the connecting por- tion For left rear piping Connection Indoor Drive two screws Panel AssemblyArt Cool Type onlyBad case Good caseRemote Control Preparationoptional Outdoor unit OutdoorConnect the cable to the Indoor unit Connecting the Cable between Indoor Unit and Outdoor UnitOutdoor unit Connect the cable to the Outdoor unitHow to connect wiring to the terminals Connection method of the connecting cableExampleAttach the Grille onto the cabinet To check the drainage Checking the drainageDrain piping Forming the piping Checking method Air Purging and EvacuationPreparation Leakage testEvacuation Repeat evacuation procedure for each indoor unitFinishing the job Additional ChargingSplit, Art Cool Type Test RunningSoft Dry Operation Mode Cooling Mode OperationHeating Mode Operation OperationFuzzy Operation Defrost ControlHeatingFuzzy Operation for Cooling Off-Timer Operation On-Timer OperationAirflow Speed Selection Fuzzy Operation for DehumidificationSleep Timer Operation Off-Timer = On-Timer OperationChaos Swing Mode Chaos Natural Wind ModeBuzzer Sounding Operation Forced OperationSplit Type Indoor Unit Function of Indoor UnitArt Cool Type Indoor Unit IndicatorOperation DefrostDeice control HeatingFunction of Outdoor Unit Cooling Model , Heat Pump Model Remote Control Operation15 2nd F Button To remove the Grille from the Chassis DisassemblyTo remove the Control Box To remove the Motor Cover To remove the Control Box Before removing the Turbo Fan To remove the EvaporatorTo remove the Motor Electronic Control Device Schematic DiagramSplit Type Outdoor TMP87CM41F RY-4WAY RY-LIQ RY-GAS RY-FANL RY-FANH Art Cool Type Indoor Unit Wiring DiagramBottom View Components LocationsArt Cool Type Schematic Diagram Component side Solder side Refrigeration Cycle Diagram Troubleshooting GuideA2UH243FA0LMU240HE A2UC243FA0 LMU240CEOutdoor Error Indoor ErrorError Indicator Self-diagnosis FunctionTrouble analysis Cycle Troubleshooting GuideProcedure Specification Remedy Electronic Parts Troubleshooting GuideProduct doesnt operate with the remote controller Check Point Comp. on Comp. OFF Compressor/Outdoor Fan are dont operateNector Trouble 4 When indoor Fan does not operateTroubleshooting Guide Check Point Error CodeIndoor air sensor Indoor inlet pipe sensorCommunication line is shorted at GND Power input AC 230V.Outdoor, IndoorError Title Cause of error Check point & Normal condition Outdoor air sensor Title Cause of error Check point & Normal conditionCondensor pipe sensor Pipe sensorWay Valve Liguid Side Way, 3-way ValvePumping down ProcedureAir purging of the charge hose Set the liquid side valve to the closed positionEvacuation Mount the valve caps and the service port capsAll amount of refrigerant leaked Gas Charging Mount the valve stem nuts and the service port nutAfter Evacuation Connect the gauge to the charging cylinderS4, SE chassis Exploded View & Replacement Parts ListS4 chassis SE chassis Parts List S4, SE chassisLMN090HE SP3 Chassis Art Cool Type Filter ASSEMBLY,AIR Cleaner Parts List SP3 chassisA2UC243FA0 LMU240CE Location Parts List A2UH243FA0LMU240HE, A2UC243FA0 LMU240CEDescription April No A20462Z

AMNC093APM0(LMAN090CNS), AMNH123DEA0 (LMN120HE), A2UC243FA0 (LMU240CE), AMNH123APM0(LMAN120HNS), A2UH243FA0(LMU240HE) specifications

LG Electronics has established a prominent position in the HVAC (heating, ventilation, and air conditioning) market with its diverse range of air conditioning units, including models AMNH123APM0 (LMAN120HNS), AMNH123DEA0 (LMN120HE), AMNC123DEA0 (LMN120CE), A2UH243FA0 (LMU240HE), and A2UC243FA0 (LMU240CE). Each of these models is designed to provide efficient cooling and heating solutions, boasting advanced technologies and user-friendly features.

The AMNH123APM0 (LMAN120HNS) model stands out for its energy efficiency, thanks to its inverter technology that adjusts power consumption according to the cooling or heating demand. This feature not only reduces energy costs but also enhances the lifespan of the unit. Additionally, its compact design allows for easy installation in various residential or commercial settings.

Similarly, the AMNH123DEA0 (LMN120HE) offers robust performance with its variable-speed compressor technology. This model ensures precise temperature control and minimal fluctuations, promoting comfort throughout the space. The unit also incorporates a quiet operation mode, making it ideal for bedrooms or offices where noise levels need to be minimized.

The AMNC123DEA0 (LMN120CE) is another compelling choice, featuring a sleek design that fits seamlessly into any décor. It operates efficiently in various weather conditions, maintaining a consistent indoor climate year-round. Its smart diagnostic system simplifies maintenance, allowing for timely troubleshooting and ensuring long-term reliability.

For larger spaces, the A2UH243FA0 (LMU240HE) and A2UC243FA0 (LMU240CE) models provide effective solutions with their powerful cooling and heating capacities. These units are equipped with multi-zone capabilities, allowing users to customize temperatures for different areas of a building. The advanced filtration system in these models captures dust and allergens, improving indoor air quality.

Another noteworthy feature across these models is their SmartThinQ technology, which enables users to control their systems remotely via a smartphone app. This feature not only adds convenience but also facilitates energy management by allowing users to monitor and adjust settings on the go.

In conclusion, LG Electronics offers a range of HVAC solutions with its AMNH123APM0, AMNH123DEA0, AMNC123DEA0, A2UH243FA0, and A2UC243FA0 models. With energy-efficient technology, user-friendly features, and advanced performance capabilities, these air conditioning units are designed to meet the diverse cooling and heating needs of modern consumers while ensuring environmental sustainability.