User manual LG ARNU12GSPB1

[. . . ] · 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. s 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. s Meanings of symbols used in this manual are as shown below. Be sure not to do. [. . . ] Remove the battery cover by pulling it according to the arrow direction. Insert new batteries making sure that the (+) and (-) of battery are installed correctly. Reattach the cover by sliding it back into position. NOTICE Use 2 AAA(1. 5volt) batteries. Do not use rechargeable batteries. Storage and Tips For Using the Remote Controller · The remote controller may be stored by mounting it on a wall. · To operate the room air conditioner, aim the remote controller at the signal receptor. Signal receptor Receives the signals from the remote controller. (Signal receiving sound: two short beeps or one long beep. ) Operation indicating lamps On/Off Sleep Mode Timer Defrost Mode : Lights up during the system operation. : Lights up during Sleep Mode Auto operation. : Lights up during Defrost Mode or *Hot Start operation (Heat pump model only) : Lights up during outdoor unit operation. 24°C Cooling High 22°C Room Temp. < 21°C Heating High 24°C Test operation During the TEST OPERATION, the unit operates in cooling mode at high speed fan, regardless of room temperature and resets in 18 minutes. During test operation, if remote controller signal is received, the unit operates as remote controller sets. If you want to use this operation, Press and hold the ON/OFF button for 3~5 seconds, then the buzzer sound 1 "beep". If you want to stop the operation, re-press the button. Auto restart 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. So there is no need of activating this function by pressing any key or button. In the initial mode, the fan operates at a low speed and the compressor starts 2. 5~3 minutes later. As the compressor starts, the fan speed also resumes its previous setting mode. Helpful information Fan speed and cooling capacity. The cooling capacity indicated in the specification is the value when the fan speed is set to high, and the capacity will be lower at low or medium fan speed. High fan speed is recommended when you wish to cool the room quickly. High Speed NOTICE Auto restart function has set enable as factory default. But customer can set up by following this instruction. To be disable function - Press and hold the ON/OFF button for 6 seconds, then the buzzer sound 2 "beep" and the indicator lamp (1) blinks 4 times. To be enable function - Press and hold the ON/OFF button for 6 seconds, then the buzzer sound 2 "beep" and the indicator lamp (1) brights 4 times. 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 Controller Turn the system off before cleaning. Do not use bleach or abrasives. Filter NOTICE Power supply must be disconnected before cleaning the indoor unit. Air Filters The air filters behind the front grille should be checked and cleaned once in every 2 weeks or more often if neccessary. 1. Lift the front access panel and pull the filter tab slightly forward to remove the filter. [. . . ] · 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. [. . . ]