Manuals / LG Electronics / Household Appliance / Air Conditioner

LG Electronics AS-W126URH1/UBH1/UWH1/UMH1, AS-W126URH0/UBH0/UWH0/UMH0/UCH0 No A20061Z October

Models: AS-W096URH1/UBH1/UWH1/UMH1 AS-W126URH1/UBH1/UWH1/UMH1 AS-W096URH0/UBH0/UWH0/UMH0 AS-W126URH0/UBH0/UWH0/UMH0/UCH0

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P/No.: 3828A20061Z	October, 2005
	Printed in Korea

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LG Electronics AS-W126URH1/UBH1/UWH1/UMH1, AS-W126URH0/UBH0/UWH0/UMH0/UCH0, AS-W096URH1/UBH1/UWH1/UMH1 No A20061Z October

Contents

LG Room Air Conditioner Table of Contents LG Model Name 2002Code Type Code of Model Meaning 2003~2005 Meaning Safety Precautions Installation There is risk of fire, electric shock, explosion, or injury Operation Thinner Keep level even when installing the product Be cautious that water could not enter the product Operation Dimensions Symbols Used in this ManualIndoor Unit 9k, 12k Btu Series Outdoor Unit Product Specifications AS-W096U0 AS-W126U0 AS-W096U1 AS-W126U1 Installation Select the best LocationIndoor unit Outdoor unit Fixing Installation Plate Oil trap should be installed every 5~7 metersPiping Length and Elevation Drill a Hole in the Wall Flaring Work Connecting the Piping CheckIndoor Foamed polyethylene or equivalent is recom- mended Wrap the insulation material around the connecting portion For left rear piping Indoor unit installation For left piping. Follow the instruction below Good case Bad case Outdoor Outdoor unit Connecting the Cables Circuit Grade Breaker 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 Prepare remote controller Test RunningSettlement of outdoor unit Evaluation of the performance Pump Down Procedure Pump Down Functions Power relay control Active power filter controlPSCOverheatng. ProtectionPower module Stand by control at low temp Cancel Sleep Mode, Timer on or Timer OFF 3, 4, 5, 6 Off TimerHigh39C Low11C Cooling Down to 18C Heating Down to 16C Up to 30C Operation LED display of indoor unitLG Brand/OEM Brand Protection of the evaporator pipe from frosting Control method Cooling mode operation Model Comp. Operating frequency Healthy Dehumidification mode operation Intake air Temp Setting Temp Heating mode operation Operating freq. step of compTemp. differences Comp. Operating frequency Fuzzy mode operationOptionals Intake air temp Setting temp Fan speedFuzzy operation for cooling At beginning Fuzzy operation for Heating Fuzzy operation for dehumidification Jet cool mode operation Jet heat mode operationSwing mode Chaos swing mode Sleep timer operation Sleep timer operation for cooling cycleSleep timer operation for heating cycle Indoor temp Operating Mode Setting temp Auto restarting operationForced operation Trial Operation Protection from total current control Protection from DC Peak Current Portection from overheating of power module Portection from overheating of compressor Defrosting control AS-W096/126U0 SeriesAS-W096/126U1 Series Auto Cleaning Auto ChangeoverOptionalLow Ambient Disassembly To remove the Grille from the Chassis To remove the Control Box To remove the Discharge GrilleTo remove the Evaporator To remove the Motor Cover To remove the Cross-Flow Fan Schematic Diagram Electric Control DeviceIndoorAS-W096U 0, AS-W126U 0 Series OutdoorAS-W096Series, AS-W126Series Wiring Diagram Indoor Unit AS-W096/126U0,1 Series Outdoor Unit AS-W096U0 Series AS-W126U0 Series Indoor Main P.W.B Assembly DC Part Components Location Display ASSEMBLYAS-W096/126U0,1 Series Outdoor Main P.W.B Assembly AS-W096/126U0 Series Troubleshooting Guide Refrigeration Cycle DiagramModel Capillary Tube Model Adopted Electrion Expansion Valve Oil trap should be installed per 5~7 meters Pipe Length and the ElevationOutdoor unit Indoor unit Way, 3-way Valve Way Valve Liquid Side Procedure Air purgingCheck for gas leakage Purge the air from the system Pumping Down Air purging of the charge hoseSet the 2-way valve to the closed position Re-installation Mount the valve stem nuts and the service port nutRe-air Purging Air purging Balance Refrigerant of the 3-way Valve Gas leakage Evacuation All amount of refrigerant leaked Gas Charging After EvacuationConnect the charge hose to the charging cylinder Purge the air from the charge hose Cycle Parts Trouble analysis Self-diagnosis function Precaution in Service or Check Diagnosis Procedure Procedure Specification Remedy Electronic Parts Product doesnt operate with the remote controller Compressor/Outdoor Fan are unable to drive Check Point Comp. on Comp. OFF When indoor Fan does not operate Trouble 5 When the horizontal louver does not operate Heater does not operate at all Outdoor Unit does not operate at all Indoor Outdoor Trouble 8-1When compressor does not operate normally DC Peak ErrorError Code ➅ Trouble 8-2When compressor does not oprate normally Communication error between Indoor and Outdoor Error Code ➄ Trouble 8-3When compressor does not oprate normally CT Error Error Code ➆ Problem of missing the connector Indoor Main PCB Assy Problem of missing the connector Outdoor Main PCB AssyConnectors Condition Problem error mode CN-T/Block Exploded View Indoor Unit Outdoor Unit Replacement Parts List Description Panel ASSY, Front SUB No A20061Z October