LG Electronics LA090HPO, LA120HPO, LA120CPO Cooling or Heating Mode with Sleep Mode Auto Control

Page 41

30 minutes

Operation

7.Cooling or Heating Mode with Sleep Mode Auto Control

•When selecting the Cooling( ) or the Heating( ) combined with the Sleep Mode Auto Control(), the operation diagram is as following.

■Cooling Mode with the Sleep Mode

•The setting temperature will be automatically raised by 2°F 30 minutes later and by 4°F 1 hour later.

•The operation will be stopped after 1, 2, 3, 4, 5, 6, 7 hours.

30 minutes

INTAKE AIR TEMP.					2°F
					2°F
SETTING TEMP. +1°F				2°F
SETTING TEMP. +1°F
(Compressor ON)
SETTING TEMP. -1°F		More than		More than
(Compressor OFF)		More than		More than
		3 minutes		3 minutes
INDOOR FAN SPEED	Low	Low	Low	Low	Low
COMPRESSOR	ON	OFF	ON	OFF	ON

■Heating Mode with the Sleep Mode(only Heating Model)

•The operation will be stopped after 1, 2, 3, 4, 5, 6, 7 hours.

INTAKE AIR TEMP.
SETTING TEMP. +6°F
(Compressor OFF)
SETTING TEMP.
(Compressor ON)		More than		More than		More than
		3 minutes		3 minutes		3 minutes
INDOOR FAN SPEED	Med	Low or OFF	Med	Low or OFF	Med	Low or OFF
COMPRESSOR	ON	OFF	ON	OFF	ON	OFF

Service Manual 41

Image 41

Contents Room Air Conditioner Table of Contents Installation Safety PrecautionsDo not use damaged power cords, plugs, or a loose socket Install the panel and the coverOperation Do not install the product on a defective installation standDo not place a heater or other When flammable gas leaks, turnDo not use the product in a tight Sounds, odors, or smoke comesThat water is drained away prop Keep level even when installingDo not use the product for spe Product when removingCial purposes, such as preserv Ing foods, works of art, etc. It is aIt is not sanitary and could cause DisuseOutlet while the air conditioner is Indoor Unit DimensionsSymbols Used in this Manual 9k, 12k Models Outdoor UnitModels Product SpecificationsInstallation Tools InstallationInstallation Parts Installation Map This Product Contains R-410A Refrigerant Confirm The RefrigerantSelect the best Location Rooftop InstallationsIndoor unit Outdoor unitPiping Length and Elevation Oil trap should be installed every 16.4~23feets 5~7 metersOpen panel front Preparing Work for InstallationCover pipe and cover side remove Drain hose junctionCase of nothing wrong, connect Pipe and the wire. Refer to installationFixing Indoor Unit Flaring Work Flaring work and connection of pipingCheck Connecting the PipingIndoor Foamed polyethylene or equivalent is recommendedIndoor unit tubing Flare nut Pipings Wrap the insulation material around the connecting portionBad case For right piping. Follow the instruction below Good caseConnection of Piping -Outdoor Connecting the Cables How to connect wiring to the terminals Connection method of the connecting cableExampleConnecting the cable between indoor unit and outdoor unit Drain piping Checking the DrainageTo check the drainage Forming the Piping Air purging with vacuum pump Air PurgingAir purging Finishing the job Soap water methodEvacuation Charging Panel Front Assembly Test Running Prepare remote controllerSettlement of outdoor unit Evaluation of the performancePump Down Pump Down ProcedureHow to replace picture & photograph Functions OperationChaos Swing Mode Time delay Safety ControlCooling Operation Mode Function of main controlAuto Operation for Cooling Auto Operation Electronic control modeAuto Operation for Heatingonly Heating Model Healthy DehumidificationAuto Operation for Dehumidificationonly Heating Model Hot-Start Control Heating Operation Modeonly Heating ModelHeating Mode with the Sleep Modeonly Heating Model Cooling or Heating Mode with Sleep Mode Auto ControlCooling Mode with the Sleep Mode Forced Operation Auto restartCooling Heat pump Model Test operationDisplay Function Signal ReceptorSelf-diagnosis Function Operation Indication LampsNd F Button Remote Control OperationsControls To remove the Control Box DisassemblyTo remove the Grille from the Chassis To remove the Motor To remove the Evaporator. Remove hole tubing holdeBefore removing the Turbo Fan Heat Pump/Cooling Only SeriesIndoor Unit Schematic DiagramHeat Pump Series/ Cooling Only Series Outdoor Unit No A20999A PCB ASSEMBLY, Main Top View Bottom View Indoor Unit P.W.B. AssemblyNo A20901C PCB ASSEMBLY, Main Top View Bottom View Outdoor Unit P.W.B. AssemblyDisplay P.W.B. ASM No A20921A PCB AssemblyWiring Diagram Outdoor UnitCooling Only Models, & Heating Models Refrigeration Cycle Diagram Troubleshooting GuidePiping Length and Elevation Way Valve ProcedurePumping Down Air purging of the charge hoseRe-air purging Gas leakage Balance refrigerant of the 3-way valveAll amount of refrigerant leaked EvacuationAfter Evacuation Gas ChargingConnect the charge hose to the charging cylinder Purge the air from the charge hoseMethod of using equation Method of using graphAccording to Indoor & Outdoor Temperature Additional gas chargingTrouble analysis Cycle PartsProduct does not operate at all Electronic Parts 9k modelProduct 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 RY-COMP-B Voltage of Connectors according to Indoor Fan SpeedIndoor Unit Exploded ViewOutdoor Unit Parts ListIndoor Replacement Parts ListParts ListOutdoor December No A20926C