Manuals / LG Electronics / Household Appliance / Air Conditioner

LG Electronics A2UH243FA0(LMU240HE) OutdoorUnit, Multi type Air Conditioner, Dimensions, 24kBtu/h

Models: AMNC093APM0(LMAN090CNS) AMNH123DEA0 (LMN120HE) A2UC243FA0 (LMU240CE) AMNH123APM0(LMAN120HNS) A2UH243FA0(LMU240HE) AMNH093APM0(LMAN090HNS) AMNC123DEA0 (LMN120CE)

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Dimensions

OutdoorUnit


L4	L6	L5
	L6	L5


				L1
		D
		D


		L2

		UE1
	MODEL	UE1
DIM		24kBtu/h


W	mm	870

H	mm	800

D	mm	320

L1	mm	370

L2	mm	25

L3	mm	775

L4	mm	25

L5	mm	546

L6	mm	160

L7	mm	160

12Multi type Air Conditioner

Page 12

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LG Electronics A2UH243FA0(LMU240HE), AMNH123APM0(LMAN120HNS) OutdoorUnit, Multi type Air Conditioner, Dimensions, 24kBtu/h

Contents

SERVICE MANUAL BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUALONLY FOR AUTHORIZED SERVICE PERSONNEL Multi Type Air Conditioner2 Multi type Air Conditioner TABLE OF CONTENTSMulti type Air Conditioner Service Manual Installation PartsService Manual Model Number NomenclatureIndoor Unit Outdoor UnitSymbolsUsedinthisManual Combination table4 Multi type Air Conditioner This symbol alerts you to the risk of electric shockSafety Precautions InstallationSafety Precautions Be sure not to do Be sure to follow the instructionDo not modify or extend the power cable Do not install, remove, or reinstall the unit by yourself and installing the productDo not plug or unplug the power supply plug during operation Do not place a heater or other appliances near the power cablenect the power supply cable Do not allow water to run into electric partsWhen the product is soaked Turn the main power off when cleaning or maintaining the productnot enter the product 8 Multi type Air ConditionerOperational Do not expose the skin directly to cool air for long periods of timeDont sit in the draft of air flowly. 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 productDimensions DimensionsIndoorUnit 1. Split Type IndoorOutdoorUnit 12 Multi type Air ConditionerDimensions 24kBtu/hProduct Specifications Product SpecificationsIndoor Unit Service ManualOutdoor Unit - Multiple piping models 14 Multi type Air ConditionerProduct Specifications ModelInstallation InstallationPartsInstallationTools InstallationRooftop Installations Select the best locationIndoor unit Outdoor unitPiping length and elevation Multi Piping TypeInstallation Service ManualFixing Installation PlateStandard Type 18 Multi type Air ConditionerInstallation Preparing work for Installation Artcool Type Only Open panel frontRemove cover pipe and cover side Drain hose junctionINSTALLATION Sticking the installation guide map and fixing Indoor unitDrill a hole in the wall 20 Multi type Air ConditionerFlaring Work and Connection of Piping FlaringworkFlaring Work and Connection of Piping Cut the pipes and the cableConnecting the Piping CheckIndoor For right rear pipingService Manual Connecting the piping to the indoor unit and drain hose to drain pipeWrap the insulation material around the connecting por- tion Flaring Work and Connection of PipingFor left rear piping 24 Multi type Air ConditionerFlaring Work and Connection of Piping Drain pipeService Manual Wrap the insulation material around the connecting por- tionIndoor unit installation Flaring Work and Connection of PipingPanel AssemblyArt Cool Type only 26 Multi type Air ConditionerPanel Front Connector Flaring Work and Connection of PipingService Manual Good caseBad case Flaring Work and Connection of PipingREMOTE CONTROL PREPARATIONOPTIONAL 28 Multi type Air ConditionerHOW TO MOUNT ONTO A WALL HOW TO INSERT BATTERIES Flaring Work and Connection of PipingOutdoor Service ManualFlaring Work and Connection of Piping Outside diameterConnecting the Cable between Indoor Unit and Outdoor Unit Connectthe cabletotheIndoorunit30 Multi type Air Conditioner Connecting the Cable between Indoor Unit and Outdoor UnitConnectthe cabletotheOutdoor unit Connecting the Cable between Indoor Unit and Outdoor UnitService Manual Every wire must be connected firmlyHow to connect wiring to the terminals 32 Multi type Air ConditionerConnectionmethod ofthe connectingcableExample Connecting the Cable between Indoor Unit and Outdoor UnitConnectthecable totheindoorunit Connecting the Cable between Indoor Unit and Outdoor UnitService Manual 2. Attach the Grille onto the cabinetChecking the Drainage, Forming the Pipings and Long Pipe Setting CheckingthedrainageTo check the drainage Drain pipingChecking the Drainage, Forming the Pipings and Long Pipe Setting Service ManualFormingthe piping CAUTION Be sure to use a manifold valve for leak testing Air Purging and EvacuationCheckingmethod Air Purging and EvacuationRepeat evacuation procedure for each indoor unit EvacuationFinishing the job Checking the Drainage, Forming the Pipings and Long Pipe SettingCharging Charging38 Multi type Air Conditioner Max length ofTest Running Test RunningSplit, Art Cool Type Service ManualOperation Functionofcontrol1. MAIN UNIT FUNCTION OperationDefrost ControlHeating Fuzzy OperationService Manual OperationOn-Timer Operation Off-Timer OperationAirflow Speed Selection 42 Multi type Air ConditionerOff-Timer = On-Timer Operation Sleep Timer OperationChaos Swing Mode Chaos Natural Wind ModeForced Operation Buzzer Sounding Operation44 Multi type Air Conditioner OperationFunctionofIndoorUnit Split Type Indoor UnitService Manual Operation ON/OFF by Remote controller Sensing the Room TemperatureArt Cool Type Indoor Unit 46 Multi type Air ConditionerOperation ON/OFF by Remote controller Sensing the Room Temperature Room temperature controlFunctionofOutdoor Unit Outdoor UnitService Manual OperationRemoteControlOperation 48 Multi type Air ConditionerThe Remote Controller transmits the signals to the system ROOM TEMPERATUREDisassembly DisassemblyIndoor Unit Service Manual50 Multi type Air Conditioner DisassemblyWhen repair, do not damage the Caution label 2. To remove the Control BoxService Manual Disassembly5. To remove the Motor Cover 6. To remove the Cross-Flow FanBe sure the power switch is set to “OFF” 52 Multi type Air ConditionerDisassembly Art Cool Type Indoor UnitDisassembly Service Manual3 To remove the Evaporator 4 Before removing the Turbo FanSchematic Diagram Schematic DiagramElectronicControlDevice 1. Indoor UnitDiagram SchematicService Manual2. Outdoor Unit 56 Multi type Air ConditionerSchematic Diagram TMP87CM41FService Manual Schematic DiagramR102 Wiring Diagram 3. Outdoor Unit2. Art Cool Type Indoor Unit 1. Room Type Indoor Unit -S4/SE chassisComponentsLocations TOP VIEWBOTTOM VIEW MAIN P.C.B ASM 1 Split Type2 Art Cool Type 60 Multi type Air ConditionerSchematic Diagram TOP VIEW BOTTOM VIEW2. Display ASSEMBLY 1 Split Type 6871A20680 2 Art Cool Type 6871A20462Schematic Diagram Service Manual1 Component side 62 Multi type Air ConditionerSchematic Diagram 3. Outdoor Unit2 Solder side Schematic DiagramService Manual Troubleshooting Guide RefrigerationCycleDiagramTroubleshooting Guide 1. A2UH243FA0LMU240HEIndoor Error Outdoor ErrorSelf-diagnosisFunction Troubleshooting GuideCycleTroubleshooting Guide Trouble analysis66 Multi type Air Conditioner Troubleshooting GuideElectronicPartsTroubleshooting Guide TroubleThe Product doesn’t operate at all Troubleshooting GuideProduct doesnt operate with the remote controller 68 Multi type Air ConditionerTroubleshooting Guide TroubleThe Compressor/Outdoor Fan are dont operate Troubleshooting GuideTrouble Check PointTrouble 4 When indoor Fan does not operate When indoor Fan does not operate70 Multi type Air Conditioner Troubleshooting GuideTrouble 5 When the louver does not operate When Vertical Louver does not operateTroubleshooting Guide ErrorCode Check Point72 Multi type Air Conditioner Troubleshooting GuideService Manual Troubleshooting GuidePower input AC 230V.Outdoor, Indoor The connecting wires are misconnected74 Multi type Air Conditioner Troubleshooting GuideError Cause of errorService Manual Troubleshooting GuideCause of error Check Point2-way, 3-way Valve 2-way, 3-way Valve76 Multi type Air Conditioner 2-way Valve Liguid SideProcedure 1 Pumping downService Manual 2-way, 3-way Valve2 Evacuation 78 Multi type Air ConditionerProcedure 7. Mount the valve caps and the service port caps3 Gas Charging Procedure5. Mount the valve stem nuts and the service port nut 2-way, 3-way ValveExploded View & Replacement Parts List Exploded View & Replacement Parts ListS4, SE chassis 80 Multi type Air ConditionerParts List S4, SE chassis Exploded View & Replacement Parts ListService Manual DESCRIPTIONSP3 Chassis Art Cool Type 82 Multi type Air ConditionerExploded View & Replacement Parts List Parts List SP3 chassis Exploded View & Replacement Parts ListService Manual COVER ASSEMBLY,TOPINDOOROutdoor Unit 84 Multi type Air ConditionerExploded View & Replacement Parts List A2UC243FA0 LMU240CEParts List A2UH243FA0LMU240HE, A2UC243FA0 LMU240CE Exploded View & Replacement Parts ListService Manual Location