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LG Electronics LS090CP(AS-C0914DH0) manual Troubleshooting Guide, Refrigeration Cycle Diagram

Models: LS120CP(AS-C121E1H0) LS120HP(AS-H121E1H0) LS180CP(AS-C183DM0) LS240HP(AS-H2435DM0) LS090CP(AS-C0914DH0) LS090HP(AS-H091E1H0) LS240CP(AS-C2435DM0) LS180HP(AS-H1835DM0)

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Troubleshooting Guide

Troubleshooting Guide

RefrigerationCycleDiagram

(1) Cooling Only Models

INDOOR UNIT

HEAT EXCHANGE (EVAPORATOR)

LIQUID SIDE

OUTDOOR UNIT

CAPILLARY TUBE

HEAT EXCHANGE (CONDENSER)

GAS SIDE

(2) Cooling & Heating Models

COMPRESSOR

INDOOR UNIT

OUTDOOR UNIT

	LIQUID SIDE	CHECK VALVE
	LIQUID SIDE	(Heating Model only)
	3-WAY VALVE
		CAPILLARY TUBE
	HEAT		HEAT
	EXCHANGE		EXCHANGE
	(EVAPORATOR)		(CONDENSER)
	GAS SIDE
	3-WAY VALVE	ACCUMU	REVERSING
	3-WAY VALVE		VALVE
			VALVE
		LATOR	(Heating Model Only)
		COMPRESSOR	COOLING
		COMPRESSOR	HEATING
			HEATING
	Copyright ©2007 LG Electronics. Inc. All right reserved.	- 44 -	LGE Internal Use Only
	Only for training and service purposes		LGE Internal Use Only
	Only for training and service purposes

Image 44

LG Electronics LS090CP(AS-C0914DH0) manual Troubleshooting Guide, Refrigeration Cycle Diagram, Cooling Only Models

Contents

SVC MANUALExploded View Table of Contents Safety Precautions InstallationDo not modify or extend the power cord Be sure not to do Be sure to follow the instruction Operation Oxygen deficiency could occur There is risk of explosion or fire Keep level even when installing the product Low refrigerant levels may cause product failure Occupants Salt spray directlySolvents, etc On the product. outdoor unit Replace all the batteries in the remote DisuseDo not drink the water drained from the unit Dimensions Symbols Used in this ManualIndoor Unit Model Btu Series Model Btu Series Dimension Mminch 109042.9 30011.8 1787.0 Outdoor Unit 9k, 12k 18k, 24k Features Introduction Installation Installation PartsInstallation Tools Read carefully, and then follow step by step Additional drain pipe Installation MapOperation Indication Lamps Confirm The Refrigerant This Product Contains R-410A Refrigerant Rooftop Installations Select The Best LocationIndoor unit Outdoor unit Piping Length And Elevation Evap Moz/ft How To Mount Installation Plate Drill a Hole In The Wall Flaring Work Cut the pipes and the cableBurrs removal Putting nut on Indoor Connecting The PipingIndoor unit installation Wrap the insulation material around the connecting portion Tighten the flare nut with a wrench Connecting cable Insert the connecting cable into the indoor unitIndoor unit installation Connection Indoor Correct case Incorrect case Connection Of The Drain Hose Connection Of Piping -Outdoor Connection Of The Cable Capacity Installation Checking The Drainage Drain pipingDrain hose should point downward for easy drain flow Avoid these situations Forming The Piping Dry nitrogen gas cylinder to this service port Air PurgingAir purging With Vacuum Pump Preparation Evacuation Finishing the job Charging Btu/h Prepare remote control Test RunningSettlement of outdoor unit Evaluation of the performance Cooling Mode Operation Healthy Dehumidification ModeOperation Function of Controls Heating Mode Operation Defrost Control Sleep Timer Operation Chaos Natural Wind ModeJet Cool Mode Operation C/O Model Jet Cool Mode Operation H/P Model Forced operation Test operationAuto restart Protection of the evaporator pipe from frosting Display Function Self-diagnosis FunctionHeating Model Thermistor open/short Remote Control Operations Disassembly To remove the Grille from the Chassis When repair, do not damage the Caution label To remove the Evaporator To remove the Motor Cover Troubleshooting Guide Refrigeration Cycle DiagramCooling Only Models Cooling & Heating Models Way, 3-way Valve Way Valve Liquid Side Procedure Pumping Down Balance Refrigerant of the 3-way Valve Vacuum pump Gas Charging After Evacuation Method of using graph Method of using equationAccording to Indoor & Outdoor Temperature Additional gas charging Cycle Parts Trouble analysis Electronic Parts 9k model Product does not operate at all Electronic Parts 18k model Product is not operate with the remote controller Compressor/Outdoor Fan are unable to drive.9k Model Compressor/Outdoor Fan are unable to drive.18k Model When indoor Fan does not operate Nector When Vertical Louver does not operate When a comunication error occurs Phenomena in case of connecting error Indoor Unit Outdoor Unit Schematic Diagram Electric Control Device Outdoor 9k, 12k Outdoor 18k, 24k Wiring Diagram Models 9k, 12k, 18k, 24k Models 9kC/O Models 12kH/P, 12kC/O, H/P Models 18kC/O Models 18kH/P, 24kC/O, H/P Main P.W.B Assembly TOP View Bottom View Components Location Outdoor9k, 12k TOP View Bottom View Outdoor18k, 24k 6871A20681 6871A20680 Product Specifications Cooling Only Cooling & Heating LS090HP LS120HP LS180HP LS240HP Exploded View Outdoor Unit 9k, 12k C/O Seriess Outdoor Unit 9k, 12k H/P Seriess Outdoor Unit 18kC/O Seriess Outdoor Unit 24kC/O Seriess W0CZZB Outdoor Unit 18k, 24k H/P Seriess No MFL32351801 December