User manual LG ARNU12GSEA2

[. . . ] · Young children should be supervised to ensure that they do not play with the air conditioner. · When the power cord is to be replaced, replacement work shall be performed by authorized personnel only using only genuine replacement parts. · Installation work must be performed in accordance with the National Electric Code by qualified and authorized personnel only. 2 Indoor Unit Safety Precautions Safety Precautions To prevent injury to the user or other people and property damage, the following instructions must be followed. I Incorrect operation due to ignoring instruction will cause harm or damage. [. . . ] Do not touch the metal parts of the unit when removing the filter. Injuries can occur when handling sharp metal edges. Do not use water to clean inside the air conditioner. Exposure to water can destroy the insulation, leading to possible electric shock. When cleaning the unit, first make sure that the power and breaker are turned off. The fan rotates at a very high speed during operation. There is a possibility of injury if the unit's power is accidentally triggered on while cleaning inner parts of the unit. Service For repair and maintenance, contact your authorized service dealer. 8 Indoor Unit Product Introduction Product Introduction Here is a brief introduction of the indoor units. Please see the information specific to your indoor unit type. ENGLISH Indoor Units Air inlet Grille tab Plasma filter (Optional) Front grille ON/OFF button Air filter Air outlet Louvers (Vertical blades) Flap (Horizontal blade) Signal receiver Operation indication lamps On/Off Sleep mode Plasma Timer : Lights up during the system operation, error code and auto restart setting. : Lights up during sleep mode auto operation. : The function illustrates its dynamic mode by using a multiple lighting system. : Lights up during timer operation or sleep mode auto operation. Defrost mode : Lights up during defrost mode or *hot start operation (Heat pump model only) Power Display : Indicates the setting temperature and operation mode. (Cooling, heating, auto operation, dehumidification mode) * Hot start operation: Stops the indoor fan in heating operation for minutes to prevent cold air from blowing out from unit. Never use any of the followings: · Water hotter than 40°C. Could cause deformation and/or discoloration. Could damage the surfaces of the air conditioner. P ow der G asoline Air Filters The air filters behind the front panel / grill should be checked and cleaned once in every 2 weeks or more often if necessary. To remove the filters see the self explanatory diagrams for each model type. Clean the filters with a vacuum cleaner or warm soapy water. If dirt is not easily removed, wash with a solution of detergent in luke warm water. Dry well in shade after washing and reinstall the filters back in place. Plasma Filters The plasma filters behind the air filter should be checked and cleaned once in every 3 months or more often if necessary. To remove the filters see the self explanatory diagrams for each model type. [. . . ] · The room may have been very hot when the room air conditioner was first turned on. · Has the temperature been set incorrectly?· Are the indoor unit's air inlet or outlet vents obstructed? · For a noise that sounds like water flowing. -This is the sound of freon flowing inside the air conditioner unit. [. . . ]