User manual LG EC480CM

[. . . ] · Contact the installer for installation of this unit. · The air conditioner is not intended for use by young children or infirm persons without supervision. · Young children should be supervised to ensure that they do not play with the air conditioner. Troubleshooting Tips Troubleshooting tips Before You Call For Service . . . . . . . . . . . . . . 21 2 Important safety precautions Read all instructions before using. To prevent injury to the user or other people and property damage, the following instructions must be followed. s Incorrect operation due to ignoring of instruction will cause harm or damage, the seriousness is classified by the following indications. Safety Precautions WARNING CAUTION : This symbol indicates the possibility of death or serious injury. [. . . ] REMOTE CONTROL: If you do not want to use Auto Restart Operation Signal Receptor Receives the signals from the remote control. (Signal receiving sound: two short beeps or one long beep. Operation Indication Lamps On/Off : Lights up during the system operation. Slide Switch Troubleshooting Tips Sleep Mode : Lights up during Sleep Mode Auto operation. Timer : Lights up during Timer operation. Defrost Mode : Lights up during Defrost Mode or Hot Start operation (Heat pump model only) OUT DOOR OUTDOOR : Lights up during outdoor unit operation. (Cooling model only) UNIT OPERATION 9 Operation indication lamps Signal receptor Safety Precautions How to use the Operation Mode Selection button Cooling Operation 1 Press the Start/Stop button. The unit will respond with a beep. Operating Instructions 2 Open the door on the remote control. To select Cooling operation, press the Operation Mode Selection button. Each time the button is pressed, the operation mode is shifted in the direction of the arrow. Cooling Soft Dry Auto Heating (Heat pump model only) Care and Maintenance 3 Close the door on the remote control. Set the temperature lower than the room temperature. The temperature can be set within a range of 18°C~30°C in 1°C increments. To raise the temperature To lower the temperature Troubleshooting Tips the in four 4 still closed. Youorcan select Eachfan speed button issteps-low, medium, high, CHAOS. Press the Airflow Direction Start/Stop button and the louvers will swing up and down. Press the Airflow Direction Control Button again to set the vertical louver at the desired airflow direction. Care and maintenance Air Circulation Mode Circulates the room air without cooling or heating. 1 2 Press the Start/Stop button. Now each time that you press the Indoor Fan Speed Selector, the fan speed is shifted from low to CHAOS and back to low again. CHAOS Troubleshooting Tips Fan speed is on low. Fan speed is on high. CHAOS Air NOTE: t The fan speed of the indoor unit will automatically cycle depending on the room temperature. t CHAOS Air economizes power consumption and prevents overcooling. The fan speed is automatically changed from medium to low or vice versa, depending on the ambient temperature. 15 Safety Precautions Slide Switch Operation FORCED OPERATION Operation procedures when the remote control can't be used. Open the front panel upward and move the Slide Switch to the Forced Operation position. If you want to stop operation, move the Slide Switch to the Auto Restart or the Remote Control position. In case the power comes on again after power failure on the Forced Operation position, the operating conditions are automatically set as follows: During Forced Operation, the initial mode continues. Slide Switch FORCED OPERATION AUTO RESTART Slide Switch Open the front panel upward REMOTE CONTROL Operating Instructions Heat pump Model Cooling Model Operating mode Indoor FAN Speed Setting Temperature Cooling High 22°C Room Temp. 24°C Cooling High 22°C 21°C Room Temp. < 24°C Soft Dry Soft Dry Rule Air Intake Temperature Room Temp. [. . . ] Clean the filter with a vacuum or warm, soapy · If very dirty, wash with a solution of detergent in lukewarm water. · If hot water (50°C or more) is used, filter may be deformed. 2 water. Care and Maintenance 3 After washing with water, dry well in the shade. 4 Re-install the air filter. Outdoor Unit The heat exchanger coils and panel vents of the outdoor unit should be checked regularly. If clogged with dirt or soot, the heat exchanger and panel vents may be professionally steam cleaned. (Side) Troubleshooting Tips (Rear) Piping NOTE: Dirty or clogged coils will reduce the operating efficiency of the system and cause higher operating costs. Air intake vents Air outlet vents Drain Hose 18 Safety Precautions When the air conditioner is not going to be used for a long time. When air conditioner is not going to be used for a long time. Operate the air conditioner on Air circulation mode (Reter to page 15) for 2 to 3 hours. When the air conditioner is to be used again. Clean the air filter and re-install it in the indoor unit. [. . . ]