LG Electronics LP121CEM-Y8 manual Subbase, Use Copper Conductors Only

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5.Replace the escutcheon with the one from this kit by inserting the tabs at the top of the escutcheon into the retaining holes and laying the escutcheon flat on the control panel.

6.Replace the front by reversing steps 1 through 4.

7.Store the control knobs and escutcheon just removed from the unit for possible reinstallation if the wall thermostat is no longer desired.

Figure 56

Escutcheon

Installation

The installation and servicing of the equipment referred to in this booklet should be performed by qualified, experienced technicians.

WARNING

Hazardous Voltage!

Disconnect all electric power, including remote disconnects before servicing. Follow proper lockout/ tagout procedures to ensure the power can not be inadvertently energized. Failure to disconnect power before servicing could result in death or serious injury.

Important Note:

The unit OFF switch does not disconnect all electrical power to this unit.

CAUTION

Use Copper Conductors Only!

Unit terminals are not designed to accept other types of conductors. Failure to use copper conductors may result in equipment damage.

Subbase

Part No: AYSB1101 (230/208V 20A)

AYSB2101 (230/208V 30A)

Description

The subbase may be installed on the wall sleeve before or after installing the wall sleeve. The subbase is prewired. Electrical connections can be made on the left side after the access cover is removed. A grounding screw is provided.

Receiving

Upon receipt of the product, inspect the shipping carton for signs of visible damage. Report any damage or shortage to the carrier and note it on the delivery receipt. The unit must be stored in its original shipping carton in a dry, secure place prior to its installation and use.

Note:

When using a subbase, the wall sleeve must be installed a minimum of 3-1/4inches (83 mm) above a finished floor and a minimum of 2-3/4inches (70 mm) from a finished wall.

1.Remove parts B and C (Figure 58, next page) from the subbase and join together using two metal screws provided. This assembly now becomes the right front cover (Part F) of the subbase. (Figure 57, next page)

2.Position subbase under the front of the wall sleeve.

3.Align the back edge of the flange on cover A (Figure 58, next page) to front of the wall sleeve flange. (Figure 59, next page)

4.Drill four 1/8 inch holes in wall sleeve to line up with holes in subbase. (Figure 58, Location D, next page) Mount subbase to wall sleeve with four sheet metal screws provided with kit. (Figure 58, Location D, next page)

5.Remove the left front cover from the subbase. (Figure 58, Part A, next page)

6.Position skirting on each side of wall sleeve to prevent the entry of foreign materials. Trim skirting to desired length. Attach skirting with four sheet metal screws provided with kit. (Figure 58, Location E, next page)

7.Wire subbase for appropriate voltage (Figure 60, next page).

Copyright ©2008 LG Electronics. Inc. All right reserved.

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Only for training and service purposes

LGE Internal Use Only

 

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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 ThermostatDisassembly Instructions Mechanical PartsFront 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 Sleeve Installation Wall Case Installation DataGeneral Installation of Wall Case in Wall Opening Preparation of the Front GrillePreparation 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 InstallationIndoor Drain Kit Installation ChecklistLeveling Legs Leveling Leg Assembly Leveling Leg Assembly Installation on Wall SleeveHard Wire Kit Junction Box Kit Installation and Wiring ProcedureUse Copper Conductors Only 208/230 Volt Units Volt UnitsRemote Escutcheon Kit Standard EscutcheonSubbase Part/Location Identification Troubleshooting Guide Outside DimensionsPiping 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