LG Electronics AMNH123DEA0 (LMN120HE), AMNH123APM0(LMAN120HNS) To remove the Motor Cover

Page 51

 

Disassembly

•

Unhook the tab on the right inside of the chassis

 

at the same time, slightly pull the evaporator

 

toward you until the tab is clear of the slot.

5.To remove the Motor Cover

•Remove 2 securing screw.

•Pull the motor cover out from the chassis carefully.

6.To remove the Cross-Flow Fan

•Loosen the screw securing the cross-flow fan to the fan motor (do not remove).

•Lift up the right side of the cross-flow fan and the fan motor, separate the fan motor from the cross-flow fan.

•Remove the left end of the cross-flow fan from the self-aligning bearing.

Motor cover

Bearing

Cross-flow fan

Service Manual 51

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Contents Indoor Unit Room Type Art Cool Type Multi Type Air ConditionerTable of Contents Model Number Nomenclature Indoor UnitOutdoor 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 unitsDimensions Indoor UnitSplit Type Indoor Outdoor Unit Indoor Unit Product SpecificationsModel A2UC243FA0LMU240CE A2UH243FA0LMU240HE Outdoor Unit Multiple piping modelsInstallation Installation PartsInstallation Tools Rooftop Installations Select the best locationOutdoor unit Piping length and elevation Multi Piping Type24k Fixing 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 PipingConnecting the Piping CheckIndoor 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 Checking the drainage To check the drainageDrain piping Forming the piping Leakage test Air Purging and EvacuationChecking method PreparationRepeat evacuation procedure for each indoor unit EvacuationFinishing the job Additional ChargingSplit, Art Cool Type Test RunningOperation Cooling Mode OperationSoft Dry Operation Mode Heating Mode OperationDefrost ControlHeating Fuzzy OperationFuzzy 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 Remote Control Operation Cooling Model , Heat Pump Model15 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 To remove the Evaporator Before removing the Turbo FanTo remove the Motor Schematic Diagram Electronic Control DeviceSplit 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 A2UC243FA0 LMU240CE Troubleshooting GuideRefrigeration Cycle Diagram A2UH243FA0LMU240HESelf-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 hoseMount the valve caps and the service port caps EvacuationAll 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 ListParts List S4, SE chassis S4 chassis SE chassisLMN090HE SP3 Chassis Art Cool Type Filter ASSEMBLY,AIR Cleaner Parts List SP3 chassisA2UC243FA0 LMU240CE Parts List A2UH243FA0LMU240HE, A2UC243FA0 LMU240CE LocationDescription 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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