LG Electronics AMNC123DEA0(LMN120CE) service manual Indoor Unit Room Type Art Cool Type

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website http://www.lgservice.com

Multi Type Air Conditioner

SERVICE MANUAL

MODEL

• Indoor Unit:

Room Type

Art Cool Type

AMNH093D4A0(LMN090HE) AMNH093APM0(LMAN090HNS)

AMNC093D4A0(LMN090CE) AMNC093APM0(LMAN090CNS)

AMNH123DEA0(LMN120HE) AMNH123APM0(LMAN120HNS)

AMNC123DEA0(LMN120CE) AMNC123APM0(LMAN120CNS)

•Outdoor Unit: A3UH363FA0(LMU360HE) A3UC363FA0(LMU360CE)

CAUTION

•BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

•ONLY FOR AUTHORIZED SERVICE PERSONNEL.

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Contents Outdoor Unit A3UH363FA0LMU360HE A3UC363FA0LMU360CE Indoor Unit Room Type Art Cool TypeTable 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 A3UC363FA0LMU360CE A3UH363FA0LMU360HE Outdoor Unit Multiple piping modelsInstallation Parts InstallationInstallation Tools Select the best location Rooftop InstallationsOutdoor unit Multi Piping Type Piping length and elevationFixing 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 Plastic bands Insulation material 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 cableExampleConnect the cable to the indoor unit 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 Outdoor Unit Schematic Diagram Art Cool Type Indoor Unit Wiring DiagramBottom View Components LocationsArt Cool Type Schematic Diagram Component side Solder side Refrigeration Cycle Diagram Troubleshooting GuideA3UH363FA0LMU360HE A3UC363FA0LMU360CEOutdoor 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 chassisA3UC363FA0LMU360CE Code Parts List A3UH363FA0LMU360HE, A3UC363FA0LMU360CEMay No A20474C

A3UH363FA0(LMU360HE), AMNC123DEA0(LMN120CE), AMNC093D4A0(LMN090CE), AMNH123DEA0(LMN120HE), A3UC363FA0(LMU360CE) specifications

LG Electronics is renowned for its innovation in the home appliance sector, particularly in air conditioning systems. Among its diverse range, the AMNC123APM0, A3UC363FA0, AMNH123DEA0, AMNC093D4A0, and AMNC123DEA0 model series stand out for their advanced features and energy efficiency.

The AMNC123APM0, also referred to as LMAN120CNS, offers a powerful air conditioning solution ideal for medium to large spaces. Featuring a sleek design, it combines aesthetics with functionality. This model utilizes LG's inverter technology, which helps maintain a consistent temperature while significantly reducing energy consumption. Additionally, it comes equipped with a dual inverter compressor that operates quietly, making it perfect for residential settings.

The A3UC363FA0, or LMU360CE, is another standout model that caters to the installation needs of multi-zone systems. Its flexibility allows users to connect multiple indoor units, ensuring efficient air distribution across different spaces. This model also features advanced filtration systems that improve indoor air quality by reducing allergens and other harmful particles.

AMNH123DEA0, branded as LMN120HE, introduces enhanced energy efficiency through its intelligent energy management systems. This unit is designed with user-friendly controls and smart technology to optimize performance based on user preferences. Its compact design makes it suitable for smaller spaces while still delivering powerful cooling and heating functions.

The AMNC093D4A0, known as LMN090CE, is perfect for residential applications where space is a consideration. It boasts a high SEER (Seasonal Energy Efficiency Ratio) rating, indicating low energy consumption while still providing optimal cooling. The model is equipped with a variety of operational modes, including dehumidification and fan-only options.

Finally, the AMNC123DEA0, or LMN120CE, rounds out this impressive series by offering versatile installation options and silent operation. This model is particularly noted for its robust cooling capabilities and ease of maintenance, ensuring that homeowners can enjoy year-round comfort with minimal disruption.

In summary, LG Electronics has blended efficiency, performance, and design in its latest air conditioning models. With features like inverter technology, multi-zone capabilities, advanced filtration, and quiet operation, these systems cater to modern home cooling and heating requirements while promoting energy conservation. As such, they represent a significant leap in HVAC technology, providing reliable comfort and improved indoor air quality.