LG Electronics LP091CEM-Y8 manual Indoor Filters, Rotary Compressor, Position Discharge Grille

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Indoor Filters

The unit uses two indoor filters which slide in and cut easily. The filters may be cleaned by washing and brushing without removing the front grille.

Rotary Compressor

The unit uses a rotary compressor for quiet, reliable operation and long life.

2 Position Discharge Grille

The discharge grille can provide air flows upward at an angle of 40 off vertical or 15 degree off vertical. The angle is changed by removing the front grille and 4 screws that fasten the discharge grille to the front grille and rotating the louvers to an alternate position.

Indoor Room Freeze Protection

When the unit senses the room temperature falls to less than 40° F the unit activates the fan motor and either the electric resistance heater or the hydronic heater to prevent pipes or fixtures from freezing. This also overrides front desk control of the unit mounted or wall mounted controls.

Door Switch/Occupancy Sensor

The unit is capable of accommodating a field installed door switch and occupancy sensor to operate the energy management feature. For additional information, refer to the unit operation section.

Compressor Overload Protection

This feature prevents the damage of the compressor by sensing the indoor tube temperature in heating. If the indoor temperature is over 130˚ F, the outdoor fan will be switched off and back on when the temperature drops below 120˚ F.

Outdoor Air Temperature Switchover

This will effectively change the unit from heat pump mode to total electric resistance heat.

Temperature limits

The unit is programmed to provide both heating and cooling temperature limits by dip switches on control panel from 50˚ F to 90˚ F. Temperature limits help to prevent overheating and overcooling and reduce energy costs.

Condensate Drain Valve

The unit has a condensate drain valve to prevent water from collecting or freezing in the basepan.

Quick Heater Recovery

The unit is designed to operate the electric heater to warm the room to the temperature set point as soon as heat pump cycle is on in heating. This feature has an advantage of reducing the time to reach the set point and improving the temperature increase for better comfort.

Reverse Cycle Defrosting - (PTHPs only)

The unit will activate the reverse cycle defrost when the outdoor coil temperature has remained at a cold temperature to form the ice on the coil.This ice will reduce airflow though the coil and will also reduce the efficiency of unit. The LG PTHP will employ an active reverse cycle defrost function to melt the ice off the outdoor coil for insuring room comfort conditions and savings from extended operation.

High Temperature Heat Pump Operation Protection

The compressor will be switched off to prevent damage when the heat pump is operated in high outdoor temperatures.

Remote Thermostat Control

Each unit is built to be operated from any standard 4 or 5 wire remote-mounted thermostat, if desired. The unit has a built-in low voltage power source which can accommodate a large variety of thermostat choices-manual, auto changeover, or programmable. A remote thermostat can also be added to any installed unit.

Zone Sensor

Occupants enjoy ultimate comfort with consistent climate control. Attach an optional, inexpensive remote Zone Sensor to exactly match the functions of the PTAC without disabling any features.

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 LP091CEM-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 Dimensions 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 435300Condenser Outdoor Service Replacement Procedure Enlarged pictureJanuary

LP091CEM-Y8 specifications

The LG Electronics LP091CEM-Y8 is a standout portable air conditioning unit designed to deliver comfort and convenience in various settings. This model combines efficiency with advanced technology to provide optimal cooling performance, making it an ideal choice for homeowners and renters alike.

One of the main features of the LP091CEM-Y8 is its cooling capacity, rated at 9,000 BTU. This level of power enables it to effectively cool spaces up to approximately 350 square feet, making it suitable for living rooms, bedrooms, or small offices. The unit also boasts a dehumidifying function, which removes up to 2.3 pints of moisture from the air per hour, ensuring a comfortable environment while reducing the risk of mold and mildew.

The LP091CEM-Y8 incorporates a user-friendly interface that includes an easy-to-read LED display. Users can adjust the temperature and settings using the included remote control, providing added convenience. The unit also features multiple fan speeds, allowing users to customize airflow according to their personal preferences.

A standout technological aspect of this model is its Energy Efficiency Ratio (EER), which provides a measure of its cooling efficiency. The LP091CEM-Y8 is designed to operate efficiently, reducing energy consumption while still delivering powerful cooling performance. This energy-saving feature not only helps lower utility bills but also makes the unit an environmentally friendly option.

Additionally, the LP091CEM-Y8 is equipped with a programmable timer, enabling users to set specific operating times. This feature allows the air conditioner to automatically turn on or off based on the user’s schedule, providing a seamless cooling experience. The unit also includes a washable and reusable air filter, which helps to improve indoor air quality by capturing dust and allergens.

Moreover, its compact and portable design includes caster wheels, making it easy to move the unit from room to room. The sleek and modern aesthetic ensures that it fits well with a variety of interior decors.

In summary, the LG Electronics LP091CEM-Y8 is a powerful, efficient, and user-friendly portable air conditioning unit that provides excellent cooling and convenience. Its advanced features, including a high BTU rating, energy efficiency, and easy mobility, make it an outstanding choice for anyone looking to enhance their indoor comfort.