User manual LG ARNU153SEL2

[. . . ] · 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. The seriousness is classified by the following indications. ENGLISH WARNING CAUTION This symbol indicates the possibility of death or serious injury. This symbol indicates the possibility of injury or damage to properties only. I Meanings of symbols used in this manual are as shown below. Be sure not to do. [. . . ] 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 : 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. (In case of connecting the simple wired remote controller, plasma image is not displayed you press the forced operation button. : Lights up during timer operation or sleep mode auto operation. Timer 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. * In defrost mode unit stops heating operation for few minutes to remove formation of ice on the heat exchanger coils to maintain the efficiency. Owner's Manual 9 Operating Instructions Operating Instructions Name and function of wired remote controller(Optional) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 · Wired remote controller: PQRCUSA0 1. 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. [. . . ]