LG Electronics LAN121CNM, LAU121CNM, LA121HPMI service manual To remove the Motor Cover

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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

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Contents Room Air Conditioner Table of Contents Installation Safety PrecautionsDo not modify or extend the power cord Be sure not to do Be sure to follow the instructionOperation Moisture may condense and wet or damage furnishings Keep level even when installing the product Do not block the inlet or outlet of air flow Do not direct airflow at room occupantsReplace all the batteries in the remote DisuseDo not drink the water drained from the unit Indoor Unit DimensionsSymbols Used in this Manual 12k Outdoor UnitIntroduction FeaturesInstallation Tools InstallationInstallation Parts Bushing-Sleeve Installation MapThis Product Contains R-410A Refrigerant Confirm The RefrigerantOutdoor unit Rooftop InstallationsIndoor unit Piping Length and Elevation Drill a Hole In The Wall How to Mount Installation PlateCut the pipes and the cable Flaring WorkBurrs removal Putting nut onIndoor Connecting The PipingIndoor unit installation Tighten the flare nut with a wrench Wrap the insulation material around the connecting portionIndoor unit installation Insert the connecting cable into the indoor unitPiping for passage through piping hole Incorrect case Correct caseConnection of Piping -Outdoor Connection of The Drain HoseConnection of The Cable Wiring DiagramFront panel removing How to use the front panel Front panel openingFront panel closing Drain piping Checking The DrainageForming The Piping Air purging With Vacuum Pump Air PurgingPreparation Leak testFinishing the job EvacuationCharging Test Running Prepare remote controlSettlement of outdoor unit Evaluation of the performanceHealthy Dehumidification Mode Cooling Mode OperationOperation Function of ControlsDefrost Control Heating Mode OperationChaos Natural Wind Mode Sleep Timer OperationJet Cool Mode Operation C/O Model Jet Cool Mode Operation H/P ModelTest operation Forced operationAuto restart Protection of the evaporator pipe from frostingHeating Model Display FunctionSelf-diagnosis Function Operation Mode Remote Control OperationsTo remove the Grille from the Chassis DisassemblyTo remove the Control Box To remove the Motor Cover Refrigeration Cycle Diagram Troubleshooting GuideCooling Only Models Cooling & Heating ModelsWay Valve Liquid Side Way, 3-way ValvePumping Down ProcedureBalance Refrigerant of the 3-way Valve Vacuum pump After Evacuation Gas ChargingMethod of using equation Method of using graphAccording to Indoor & Outdoor Temperature Additional gas chargingTrouble analysis Cycle PartsProduct does not operate at all Electronic PartsProduct is not operate with the remote controller Compressor/Outdoor Fan are unable to drive Nector When indoor Fan does not operateWhen Vertical Louver does not operate When a comunication error occurs Indoor Unit Phenomena in case of connecting errorOutdoor Unit Electric Control Device Schematic DiagramOutdoor 12k Models 12k Wiring DiagramModels 12kC/O Models 12kH/P Components Location Outdoor12k 6871A00088A 6871A00087B6871A20259D 6306A90009ACooling Only Product SpecificationsE.R P.E Cooling & HeatingExploded View W0CZZ Outdoor Unit 12k Btu/h SeriessParts List Indoor Replacement Parts ListParts List Outdoor No. MFL31443001

LA121HPMI, LAU121CNM, LAN121CNM, LAN121CNM, LAU121CNM, LA121HPMI, LA121HPMO, LAN121HNM, LAU121HNM, LA121CPMI, LA121CPMO specifications

LG Electronics has established itself as a leader in innovative home appliance technologies, particularly in the air conditioning segment. The LG LAN121CNM, LAU121CNM, LA121HPMI, LA121HPMO, LAN121HNM, LAU121HNM, LA121CPMI, and LA121CPMO models exemplify the blend of efficiency, comfort, and advanced features that LG is known for.

These air conditioning units are designed with energy efficiency in mind, boasting high SEER (Seasonal Energy Efficiency Ratio) ratings that help reduce electricity consumption. This not only saves money on energy bills but also aligns with eco-friendly initiatives by minimizing environmental impact.

The air conditioners are equipped with LG's Dual Inverter technology, which enhances cooling performance while reducing noise levels. This innovative technology allows the compressor to operate at variable speeds, resulting in faster cooling and dehumidification, as well as quieter operation than traditional units.

Moreover, the models feature a modern aesthetic with sleek designs that seamlessly blend into both residential and commercial environments. The intuitive user interface, combined with remote control capabilities, makes adjusting temperature settings easier for users, giving them full control over their indoor climate.

Another significant characteristic of these models is the use of advanced filtration systems. Many units incorporate a multi-stage filtration process that captures dust, allergens, and pollutants, ensuring the air quality in the home remains high. These filters are easy to clean and replace, making maintenance straightforward and user-friendly.

The LG LAN121CNM, LAU121CNM, and others in the lineup also include Wi-Fi connectivity. This smart technology allows users to monitor and control their air conditioning units through mobile applications, providing convenience and flexibility. Users can adjust settings, schedule operations, and receive alerts about filter maintenance directly from their smartphones.

For those looking for flexibility, these models offer various installation options. They can be installed as wall-mounted, floor-mounted, or ceiling-mounted systems, catering to different space constraints and design preferences.

In conclusion, the LG LAN121CNM, LAU121CNM, LA121HPMI, LA121HPMO, LAN121HNM, LAU121HNM, LA121CPMI, and LA121CPMO air conditioning models are exemplary products that demonstrate LG’s commitment to quality, efficiency, and user-centric design. With cutting-edge technology and a focus on sustainability, these units cater to the needs of modern consumers while ensuring comfort all year round.
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