LG Electronics LA120HPI, LA120HPO, LA090HPO Fixing Indoor Unit, Case of nothing wrong, connect

Page 18

INS TAIIATION

Installation

FixingIndoorUnit

1.Attach an Installation guide map on the desired surface.

INSTALLATION GUIDE MAP

2.Look at suited horizon by horizontal meter on the horizontal setting line, and fix lightly the map by adhesive tape.

	N
	I	S
		T
		A
		L
		L
Horizontality		A
Horizontality		T
			IO
			N G
			U
			ID
			E M
			A
			P

3.Make a hole with a diameter of 6mm and depth of 30-35mm by piercing a screw

point.

GUIDE M

AP

4.Drill the pierted part as a diameter of 50mm for connecting piping. (In case of piercing rear surface)

5. Drive the fore plastic anchors into drilled

points.	INSTALLATION
	INSTALLATION	GUIDE
		GUIDE	MAP
			MAP

Plastic anchors

7.Hang the hole of product at the upper screws, and remove the map. (Falling

attention)INSTALLATION

GUIDE MAP

Hanger hole (Rear side of the product)

6.First, Drive the two points of the upper parts by screws. (Leave 10mm for hanging the product)

10mm	INSTALLATION
10mm
		GU

8.Drive the lower parts after facing the hole of product with plastic anchors, and fix completely the upper screws.

Plastic anchors

9. Check the fixed product with light power.	10. In case of nothing wrong, connect the
	pipe and the wire. (Refer to installation
	manual)

DrillaHolein theWall

• Drill the piping hole with a ø 50mm hole core drill.
Drill the piping hole at either the right or the left with		Indoor
the hole slightly slanted to the outdoor side.

WALL

Outdoor

5-7mm

(0.2~0.3")

18Room Air Conditioner

Image 18

Contents Room Air Conditioner Table of Contents Do not use damaged power cords, plugs, or a loose socket Safety PrecautionsInstallation Install the panel and the coverDo not install the product on a defective installation stand OperationDo not use the product in a tight When flammable gas leaks, turnDo not place a heater or other Sounds, odors, or smoke comesKeep level even when installing That water is drained away propCial purposes, such as preserv Product when removingDo not use the product for spe Ing foods, works of art, etc. It is aDisuse Outlet while the air conditioner isIt is not sanitary and could cause Dimensions Symbols Used in this ManualIndoor Unit Outdoor Unit 9k, 12k ModelsProduct Specifications ModelsInstallation Installation PartsInstallation Tools Installation Map Confirm The Refrigerant This Product Contains R-410A RefrigerantIndoor unit Rooftop InstallationsSelect the best Location Outdoor unitOil trap should be installed every 16.4~23feets 5~7 meters Piping Length and ElevationCover pipe and cover side remove Preparing Work for InstallationOpen panel front Drain hose junctionPipe and the wire. Refer to installation Fixing Indoor UnitCase of nothing wrong, connect Flaring work and connection of piping Flaring WorkIndoor Connecting the PipingCheck Foamed polyethylene or equivalent is recommendedWrap the insulation material around the connecting portion Indoor unit tubing Flare nut PipingsFor right piping. Follow the instruction below Good case Bad caseConnection of Piping -Outdoor Connecting the Cables Connection method of the connecting cableExample How to connect wiring to the terminalsConnecting the cable between indoor unit and outdoor unit Checking the Drainage To check the drainageDrain piping Forming the Piping Air Purging Air purgingAir purging with vacuum pump Soap water method EvacuationFinishing the job Charging Panel Front Assembly Settlement of outdoor unit Prepare remote controllerTest Running Evaluation of the performancePump Down Procedure Pump DownHow to replace picture & photograph Operation FunctionsCooling Operation Mode Time delay Safety ControlChaos Swing Mode Function of main controlAuto Operation Electronic control mode Auto Operation for CoolingHealthy Dehumidification Auto Operation for Dehumidificationonly Heating ModelAuto Operation for Heatingonly Heating Model Heating Operation Modeonly Heating Model Hot-Start ControlCooling or Heating Mode with Sleep Mode Auto Control Cooling Mode with the Sleep ModeHeating Mode with the Sleep Modeonly Heating Model Cooling Heat pump Model Auto restartForced Operation Test operationSelf-diagnosis Function Signal ReceptorDisplay Function Operation Indication LampsRemote Control Operations ControlsNd F Button Disassembly To remove the Grille from the ChassisTo remove the Control Box To remove the Evaporator. Remove hole tubing holde Before removing the Turbo FanTo remove the Motor Schematic Diagram Heat Pump/Cooling Only SeriesIndoor UnitHeat Pump Series/ Cooling Only Series Outdoor Unit Indoor Unit P.W.B. Assembly No A20999A PCB ASSEMBLY, Main Top View Bottom ViewOutdoor Unit P.W.B. Assembly No A20901C PCB ASSEMBLY, Main Top View Bottom ViewNo A20921A PCB Assembly Display P.W.B. ASMWiring Diagram Outdoor UnitCooling Only Models, & Heating Models Troubleshooting Guide Refrigeration Cycle DiagramPiping Length and Elevation Pumping Down ProcedureWay Valve Air purging of the charge hoseRe-air purging Balance refrigerant of the 3-way valve Gas leakageEvacuation All amount of refrigerant leakedConnect the charge hose to the charging cylinder Gas ChargingAfter Evacuation Purge the air from the charge hoseAccording to Indoor & Outdoor Temperature Method of using graphMethod of using equation Additional gas chargingCycle Parts Trouble analysisElectronic Parts 9k model Product does not operate at allProduct is not operate with the remote controller Compressor/Outdoor Fan are unable to drive When indoor Fan does not operate NectorWhen Vertical Louver does not operate When a comunication error occurs Phenomena in case of connecting error Indoor UnitOutdoor Unit Voltage of Connectors according to Indoor Fan Speed RY-COMP-BExploded View Indoor UnitOutdoor Unit Replacement Parts List Parts ListIndoorParts ListOutdoor December No A20926C