LG Electronics A2UC243FA0 (LMU240CE) When the product is soaked, Not enter the product

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Safety Precautions

Do not open the inlet grill of the product during operation. (Do not touch the elec- trostatic filter, if the unit is so equipped.)

•There is risk of physical injury, electric shock, or product failure.

When the product is soaked

Be cautious that water could

(flooded or submerged), contact

not enter the product.

an Authorized Service Center.

 

• There is risk of fire or electric

• There is risk of fire, electric shock,

shock.

or product damage.

Ventilate the product from time to time when operating it together with a stove, etc.

•There is risk of fire or electric shock.

When the product is not be used for a long time, dis- connect the power supply plug or turn off the breaker.

Turn the main power off when cleaning or maintaining the product.

•There is risk of electric shock.

Take care to ensure that nobody could step on or fall onto the outdoor unit.

•There is risk of product damage or failure, or unintend-

ed operation.

•This could result in personal injury and product dam- age.

CAUTION

■Installation

Always check for gas (refrigerant) leak- age after installation or repair of product.

Install the drain hose to ensure that

Keep level even when

water is drained away properly.

installing the product.

•Low refrigerant levels may cause failure of product.

•A bad connection may cause water leakage.

•To avoid vibration or water leak- age.

90°

8Multi type Air Conditioner

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Contents Multi Type Air Conditioner Indoor Unit Room Type Art Cool TypeTable of Contents Outdoor Unit Model Number NomenclatureIndoor Unit Symbols Used in this Manual Combination tableSafety Precautions InstallationBe sure not to do Be sure to follow the instruction Control box securely Cuit and breakerDo not place anything on the power cable Be cautious when unpackingBe sure the installation area does not deteriorate with age OperationNect the power supply cable Do not allow water to run into electric partsSmoke comes from product Hurricane arrivesWhen the product is soaked Install the drain hose to ensure that Keep level even whenInstalling the product Not enter the productOperational Air flowVents, etc Not use harsh detergents, solLy. Clean the filter every two When cleaning or maintainingDo not step on or put anyting on the product. outdoor units Do not drink the water drained from the productSplit Type Indoor DimensionsIndoor Unit Outdoor Unit Product Specifications Indoor UnitOutdoor Unit Multiple piping models Model A2UC243FA0LMU240CE A2UH243FA0LMU240HEInstallation Tools InstallationInstallation Parts Outdoor unit Rooftop InstallationsSelect the best location 24k Piping length and elevationMulti Piping Type Fixing Installation PlateStandard Type Preparing work for Installation Artcool Type Only Open panel frontRemove cover pipe and cover side Drain hose junctionSticking the installation guide map and fixing Indoor unit Put an Installation Guide Map on the desired surfaceDrill a hole in the wall Drive the fore plastic anchors into drilled pointsFlaring Work and Connection of Piping Flaring workIndoor Connecting the PipingCheck Wrap the insulation material around the connecting por- tion For left rear piping Connection Indoor Panel AssemblyArt Cool Type only Drive two screwsGood case Bad caseRemote Control Preparationoptional Outdoor Outdoor unitConnecting the Cable between Indoor Unit and Outdoor Unit Connect the cable to the Indoor unitConnect the cable to the Outdoor unit Outdoor unitConnection method of the connecting cableExample How to connect wiring to the terminalsAttach the Grille onto the cabinet Drain piping Checking the drainageTo check the drainage Forming the piping Air Purging and Evacuation Checking methodPreparation Leakage testFinishing the job Repeat evacuation procedure for each indoor unitEvacuation Charging AdditionalTest Running Split, Art Cool TypeCooling Mode Operation Soft Dry Operation ModeHeating Mode Operation OperationFuzzy Operation for Cooling Defrost ControlHeatingFuzzy Operation On-Timer Operation Off-Timer OperationAirflow Speed Selection Fuzzy Operation for DehumidificationOff-Timer = On-Timer Operation Sleep Timer OperationChaos Swing Mode Chaos Natural Wind ModeForced Operation Buzzer Sounding OperationFunction of Indoor Unit Split Type Indoor UnitIndicator Art Cool Type Indoor UnitOperation DefrostDeice control HeatingFunction of Outdoor Unit 15 2nd F Button Remote Control OperationCooling Model , Heat Pump Model Disassembly To remove the Grille from the ChassisTo remove the Control Box To remove the Motor Cover To remove the Control Box To remove the Motor To remove the EvaporatorBefore removing the Turbo Fan Split Type Schematic DiagramElectronic Control Device Outdoor TMP87CM41F RY-4WAY RY-LIQ RY-GAS RY-FANL RY-FANH Wiring Diagram Art Cool Type Indoor UnitComponents Locations Bottom ViewArt Cool Type Schematic Diagram Component side Solder side Troubleshooting Guide Refrigeration Cycle DiagramA2UH243FA0LMU240HE A2UC243FA0 LMU240CEIndoor Error Outdoor ErrorError Indicator Self-diagnosis FunctionCycle Troubleshooting Guide Trouble analysisElectronic Parts Troubleshooting Guide Procedure Specification RemedyProduct doesnt operate with the remote controller Compressor/Outdoor Fan are dont operate Check Point Comp. on Comp. OFFTrouble 4 When indoor Fan does not operate NectorTroubleshooting Guide Error Code Check PointIndoor air sensor Indoor inlet pipe sensorPower input AC 230V.Outdoor, Indoor Communication line is shorted at GNDError Title Cause of error Check point & Normal condition Title Cause of error Check point & Normal condition Outdoor air sensorCondensor pipe sensor Pipe sensorWay, 3-way Valve Way Valve Liguid SideProcedure Pumping downAir purging of the charge hose Set the liquid side valve to the closed positionAll amount of refrigerant leaked Mount the valve caps and the service port capsEvacuation Mount the valve stem nuts and the service port nut Gas ChargingAfter Evacuation Connect the gauge to the charging cylinderExploded View & Replacement Parts List S4, SE chassisLMN090HE Parts List S4, SE chassisS4 chassis SE chassis SP3 Chassis Art Cool Type Parts List SP3 chassis Filter ASSEMBLY,AIR CleanerA2UC243FA0 LMU240CE Description Parts List A2UH243FA0LMU240HE, A2UC243FA0 LMU240CELocation 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.
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