LG Electronics AMNC123DEA0(LMN120CE) service manual Do not allow water to run into electric parts

Page 7

Safety Precautions

Do not plug or unplug the power supply plug during operation.

•There is risk of fire or electric shock.

Do not allow water to run into electric parts.

Do not touch(operate) the product with wet hands.

•There is risk of fire or electrical shock.

Do not store or use flammable gas or combustibles near the product.

Do not place a heater or other appliances near the power cable.

•There is risk of fire and electric shock.

Do not use the product in a tightly closed space for a long time.

•It may cause There is risk of fire, failure of the product, or electric shock.

When flammable gas leaks, turn off the gas and open a window for ventilation before turn the product on.

•Do not use the telephone or turn switches on or off. There is risk of explosion or fire

• There is risk of fire or failure of

• Oxygen deficiency could occur.

product.

 

If strange sounds, or small or

Stop operation and close the

smoke comes from product.

window in storm or hurricane.

Turn the breaker off or discon-

If possible, remove the prod-

nect the power supply cable.

uct from the window before

 

the hurricane arrives.

• There is risk of electric shock or

• There is risk of property damage,

fire.

failure of product, or electric shock.

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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 ManualControl box securely Cuit and breaker Safety PrecautionsInstallation Be sure not to do Be sure to follow the instructionOperation Do not place anything on the power cableBe cautious when unpacking Be sure the installation area does not deteriorate with ageHurricane arrives Nect the power supply cableDo not allow water to run into electric parts Smoke comes from productNot enter the product When the product is soakedInstall the drain hose to ensure that Keep level even when Installing the productNot use harsh detergents, sol OperationalAir flow Vents, etcDo not drink the water drained from the product Ly. Clean the filter every twoWhen cleaning or maintaining Do not step on or put anyting on the product. outdoor unitsIndoor 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 Drain hose junction Preparing work for Installation Artcool Type OnlyOpen panel front Remove cover pipe and cover sideDrive the fore plastic anchors into drilled points Sticking the installation guide map and fixing Indoor unitPut an Installation Guide Map on the desired surface Drill a hole in the wallFlaring 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 Leakage test Air Purging and EvacuationChecking method PreparationEvacuation Repeat evacuation procedure for each indoor unitFinishing the job Additional ChargingSplit, Art Cool Type Test RunningOperation Cooling Mode OperationSoft Dry Operation Mode Heating Mode OperationFuzzy Operation Defrost ControlHeatingFuzzy Operation for Cooling Fuzzy Operation for Dehumidification On-Timer OperationOff-Timer Operation Airflow Speed SelectionChaos Natural Wind Mode Off-Timer = On-Timer OperationSleep Timer Operation Chaos Swing ModeBuzzer Sounding Operation Forced OperationSplit Type Indoor Unit Function of Indoor UnitDefrostDeice control Heating IndicatorArt Cool Type Indoor Unit OperationFunction 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 A3UC363FA0LMU360CE Troubleshooting GuideRefrigeration Cycle Diagram A3UH363FA0LMU360HESelf-diagnosis Function Indoor ErrorOutdoor Error Error IndicatorTrouble 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 Indoor inlet pipe sensor Error CodeCheck Point Indoor air sensorCommunication line is shorted at GND Power input AC 230V.Outdoor, IndoorError Title Cause of error Check point & Normal condition Pipe sensor Title Cause of error Check point & Normal conditionOutdoor air sensor Condensor pipe sensorWay Valve Liguid Side Way, 3-way ValveSet the liquid side valve to the closed position ProcedurePumping down Air purging of the charge hoseEvacuation Mount the valve caps and the service port capsAll amount of refrigerant leaked Connect the gauge to the charging cylinder Mount the valve stem nuts and the service port nutGas Charging After EvacuationS4, 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.
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