User manual LG LRNU28GTHA0

[. . . ] · 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 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 Operating Instructions Operating Instructions Name and Function of Remote Controller (Optional) ENGLISH Model : ARNU, LRNU-TE/TH/TD 1. Timer set/cancel Program/Week/Holiday Hour/Min/SET/Clr/Ventilator 5. Horizontal/Vertical air flow direction button 11. Room temperature/filtersign release button 12. Operation lamp AUTO SWING OPERATION SET TEMP Room Temp FAN SPEED HI MED LO SUB FUNCTION 1 2ndF Timer On Off Set no. Time 01 Time AUTO Heater Preheat JET Defrost Humidify SLo Filter Out door ZONE 1234 17 19 21 23 Operation unit No Func Program set 03 05 07 09 11 13 15 14 2 3 Timer Cancel 2ndF 5 6 7 Program Week Holiday PLASMA 4 Set/Clr Hour Min RESET 8 9 10 11 12 13 · Remote Controller Model Standard Type : PQRCUCA0 Simple Type : PCRCUSZ0 Deluxe type : PQRCUDS0 PQRCUDS0B PQRCUDS0S Owner's Manual 9 Operating Instructions Wireless Remote Controller (optional) This air-conditioner is equipped with wired remote controller basically. · Block a strong light over the signal receptor with a curtain or etc. so as to prevent the abnormal operation. (ex:electronic quick start, ELBA, inverter type fluorescent lamp) 10 Indoor Unit Operating Instructions Forced Operation Operation procedures when the remote control can't be used. Press the tact switch (Forced operation) for 2 seconds. If you want to stop operation, press again the tact switch. In case the power comes on again after power failure on the Forced Operation mode, the operating conditions are automatically set as follows: During Forced Operation, the initial mode continues. ENGLISH Forced operation (Tact switch) Heat pump Model Cooling Model Operating mode Indoor FAN Speed Setting Temperature Cooling High 22°C Room Temp. < set Temp. -2°C Cooling Heating set available set available set available set available Auto Restart Function In case the power comes on again after a power failure, Auto Restarting Operation is the function to operate procedures automatically to the previous operating conditions. Tips for Filter sign LED 1. If LED indicating filter sign lamp is ON, clean the filter. After cleaning the filter, press the Timer button and Then filter sign LED is OFF. button of wired remote controller at the same time for 3 sec. Owner's Manual 11 Maintenance and Service Maintenance and Service CAUTION: Before performing any maintenance, turn off the main power to the system. Grille, Case, and Remote Control Turn the system off before cleaning. Do not use bleach or abrasives. NOTICE Supply power must be disconnected before cleaning the indoor unit. Air Intake Air Outlet Remote Controller Anti-biofilter Air Filters The air filters behind the front grille should be checked and cleaned once every 2 weeks or more often if neccessary. 1. I Take hold of the tab and pull slightly forward to remove the filter. CAUTION: When the air filter is to be removed, do not touch the metal parts of the indoor unit. [. . . ] · 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. [. . . ]