LG Electronics LP121HEM-Y8 Additional Controls, Removing the Front Grille, Temperature Limiting

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1.4ADDITIONAL CONTROLS

REMOVING THE FRONT GRILLE

Additional controls are available after removing the front grille and option cover of control box.

To remove the front grille, pull out the bottom of front grille and then lift up.

To replace the front grille, place the tabs over the top of the unit and push the bottom of front grille until the clips snap into place.

ADDITIONAL CONTROLS

The additional controls are located behind the option cover of control box. The standard settings will be in the OFF position. The authorized service man has to check switches and ensure the switches are in the desired position.

REMOTE ON

ON

ON

ON

ON

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OFF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LOCAL OFF OFF OFF OFF

Remote/Local

1

 

2

 

3

4

5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Energy Saver

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Temperature Limit 1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Temperature Limit 2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Temperature Limit 3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TEMPERATURE LIMITING

Temperature Limiting can save money by limiting the lowest temperature for cooling and the highest temperature for heating. The temperature limiting is controlled by dip switch #1 - #3.

This temperature limiting is not available with the Remote Wall Thermostat.

Temperature

Temperature

Temperature

Cooling Operation

Heating Operation

Limit #1

Limit #2

Limit #3

Lowest Temp.

Highest Temp.

Lowest Temp.

Highest Temp.

 

 

 

 

 

 

 

OFF

OFF

OFF

54°F (12.2°C)

86°F (30.0°C)

54°F (12.2°C)

86°F (30.0°C)

 

 

 

 

 

 

 

ON

OFF

OFF

56°F (13.3°C)

86°F (30.0°C)

54°F (12.2°C)

84°F (28.9°C)

 

 

 

 

 

 

 

OFF

ON

OFF

58°F (14.4°C)

86°F (30.0°C)

54°F (12.2°C)

82°F (27.8°C)

 

 

 

 

 

 

 

ON

ON

OFF

60°F (15.5°C)

86°F (30.0°C)

54°F (12.2°C)

80°F (26.7°C)

 

 

 

 

 

 

 

OFF

OFF

ON

62°F (16.6°C)

86°F (30.0°C)

54°F (12.2°C)

78°F (25.5°C)

 

 

 

 

 

 

 

ON

OFF

ON

64°F (17.7°C)

86°F (30.0°C)

54°F (12.2°C)

76°F (24.4°C)

 

 

 

 

 

 

 

OFF

ON

ON

66°F (18.9°C)

86°F (30.0°C)

54°F (12.2°C)

74°F (23.3°C)

 

 

 

 

 

 

 

ON

ON

ON

68°F (20.0°C)

86°F (30.0°C)

54°F (12.2°C)

72°F (22.2°C)

 

 

 

 

 

 

 

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 LGE Internal Use OnlyFeatures and Benefits Sleeve and the Rear GrilleTemperature limits Door Switch/Occupancy SensorOutdoor Air Temperature Switchover Quick Heater RecoveryVentilation Control LocationsOperation Electric Heating Model Cooling only ModelRemoving the Front Grille Temperature LimitingAdditional Controls Additional ControlsEnergy Saver Molex Housing SpecREMOTE/LOCAL Control Front Desk ControlDisassembly Instructions Mechanical PartsFront Grille Control BOX AIR Handling Parts Electric Heater Electric Heater Model onlyCross Flow FAN Axial FANOutdoor Motor Electrical PartsShroud CompressorPower Cord 6 P.C.BEvaporator Refrigeration CycleCondenser Capillary TubeLGE Internal Use Only Pulling Vacuum Dimension of air conditioner InstallationHOW to Install the Unit Dimension of sleeve assembly optionalWall Sleeve Installation Wall Case Installation DataGeneral Preparation of the Front Grille Installation of Wall Case in Wall OpeningAs shipped, the LG wall sleeve is ready for installation Preparation of the Wall Case for All Types of ConstructionLGE Internal Use Only Sub-Base Connected Unit Installation Electrical Data for 230/208V Model Electrical SafetyElectrical Requirements 208, 230, and 208/230 Volt UnitsControl Panel Key Lock Field Installed AccessoriesInstallation DescriptionCondensate Disposal Pump Kit Installation Part No AYSB2101Hazardous Voltage Place the top cover assembly back into the unit Spraying Architecture Grille Aluminum Single Pack Architectural GrilleDrain Installation Condensate Drain kitPart No AYDR101 Outdoor Drain Kit Installation Outdoor Drain Kit InstallationLeveling Legs Indoor Drain Kit InstallationChecklist Part No AYLL101Leveling Leg Assembly Leveling Leg Assembly Installation on Wall SleevePart No AYAGALA01 Hard Wire KitJunction Box Kit Installation and Wiring Procedure Use Copper Conductors Only208/230 Volt Units Volt UnitsRemote Escutcheon Kit Part No AYRE110Subbase Part No AYSB1101 230/208V 20A AYSB2101 230/208V 30ASkirting Hole Location Right Cover Assembly After wiring is complete, mount covers a and F toTo each installation instruction for that accessory Subbase with provided screws. FigurePiping System Troubleshooting GuideOutside Dimensions 066mm 406mm 505mmTroubleshooting Guide Fails to Start Complaint Cause Remedy Room AIR Conditioner Voltage Limits 208/230V 187V 253VComplaint Cause Remedy Th3 Thermistor for outdoor Air temperature Piping DiagramsTh2 Thermistor for Evaporator pipe temperature Th4 Thermistor for Condenser pipe Air temperatureSchematic Diagram CN-NNExploded View 435300BJanuary