LG Electronics LP121CEM-Y8 manual Pulling Vacuum

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Equipment needed: Vacuum pump, charging cylinder, manifold gauge, brazing equipment. pinch-off tool capable of making a vapor-proof seal, leak detector, tubing cutter, hand tools to remove components, service valve.

CONDENSER	COMPOUND GAUGE
CONDENSER
(HIGH PRESSURE SIDE)	MANIFOLD
	MANIFOLD
		GAUGE	A
		B	A
CAPILLARY TUBE
		SEE INSETS
		BELOW
		EVAPORATOR
		(LOW PRESSURE SIDE)
COMPRESSOR
	LOW	HI
A
B	B	A
EXTERNAL
VACUUM PUMP
		CHARGING
		CYLINDER
		C
Figure 21 A-Pulling Vacuum	Figure 21 B-Charging

Copyright ©2008 LG Electronics. Inc. All right reserved.	- 16 -
Only for training and service purposes	LGE Internal Use Only
Only for training and service purposes

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Contents SVC Manual Specification Model LP121CEM-Y8Features and Benefits Sleeve and the Rear GrilleDoor Switch/Occupancy Sensor Outdoor Air Temperature SwitchoverTemperature limits Quick Heater RecoveryControl Locations Operation Electric Heating ModelVentilation Cooling only ModelTemperature Limiting Additional ControlsRemoving the Front Grille Additional ControlsREMOTE/LOCAL Control Energy SaverFront Desk Control Remote Wall ThermostatMechanical Parts Disassembly InstructionsFront Grille Control BOX AIR Handling Parts Electric Heater Electric Heater Model onlyCross Flow FAN Axial FANElectrical Parts ShroudOutdoor Motor CompressorPower Cord 6 P.C.BRefrigeration Cycle CondenserEvaporator Capillary TubeLGE Internal Use Only Pulling Vacuum Installation HOW to Install the UnitDimension of air conditioner Dimension of sleeve assembly optionalWall Case Installation Data Wall Sleeve InstallationGeneral Preparation of the Front Grille Installation of Wall Case in Wall OpeningPreparation of the Wall Case for All Types of Construction LGE Internal Use Only Sub-Base Connected Unit Installation Electrical Safety Electrical RequirementsElectrical Data for 230/208V Model 208, 230, and 208/230 Volt UnitsField Installed Accessories InstallationControl Panel Key Lock DescriptionCondensate Disposal Pump Kit Installation Hazardous VoltagePlace the top cover assembly back into the unit Spraying Architecture Grille Aluminum Single Pack Architectural GrilleDrain Installation Condensate Drain kitOutdoor Drain Kit Installation Outdoor Drain Kit InstallationChecklist Indoor Drain Kit InstallationLeveling Legs Leveling Leg Assembly Leveling Leg Assembly Installation on Wall SleeveJunction Box Kit Installation and Wiring Procedure Hard Wire KitUse Copper Conductors Only 208/230 Volt Units Volt UnitsRemote Escutcheon Kit Standard EscutcheonSubbase Part/Location Identification Outside Dimensions Troubleshooting GuidePiping System Troubleshooting Guide Fails to Start Complaint Cause Remedy Room AIR Conditioner Voltage Limits 208/230V 187V 253VComplaint Cause Remedy Piping Diagrams CN-IDPTSchematic Diagram Part A, there are 3 typesExploded View 435300BCondenser Outdoor Service Replacement Procedure Enlarged pictureFebruary