User manual LG LMH1517CV

[. . . ] Just a little preventive care on your part can save you a great deal of time and money over the life of your air conditioner. You'll find many answers to common problems in the chart of troubleshooting tips. If you review our chart of Troubleshooting Tips first, you may not need to call for service at all. Operating Instructions. . . . . . . . . . . . . . . . . . . 9 Maintenance and Service . . . . . . . . . . . . 21 PRECAUTION · Contact the authorized service technician for repair or maintenance of this unit. · Contact the installer for installation of this unit. [. . . ] Each time the button is pressed, the operation mode is shifted in the direction of the arrow. Cooling Auto Healthy Dehumidification Heating (Heat pump model only) ON 3 The temperature and fan speed are automatically set by the electronic controls based on the actual room temperature. If you want to change the set temperature, press the Room Temperature Setting buttons. The set temperature will be changed considering room temperature. To raise the temperature To lower the temperature DURING AUTO OPERATION: You cannot switch the indoor fan speed. It has already been set by the Fuzzy rule. If the system is not operating as desired, manually switch to another mode. The system will not automatically switch from the cooling mode to the heating mode, or from heating to cooling, then you must set the mode and the desired temperature again. During Auto Operation, pressing the chaos swing button makes the horizontal louvers swing up and down automatically. If you want to stop auto-swing, press the chaos swing button again. Owner's Manual 13 Operating Instructions Healthy Dehumidification Operation 1 Press the Start/Stop button. The unit will respond with beep sound. 2 Open the door on the Remote Controller. To select Healthy Dehumidification 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 Auto Healthy Heating Dehumidification (Heat pump model only) 3 ON Set the fan speed. Each time the button is pressed, the fan speed mode is shifted. Air purifying operation (PLASMA) is available in Heating or any other operations. PLASMA Air Purifying Operation only If you press the PLASMA button, NANO PLASMA air purifying operates. Each time the button ( ) is pressed, the fan speed mode is shifed. Owner's Manual 17 Operating Instructions 2nd F Operation 1 Press the Start/Stop button. The unit will respond with beep sound. 2 Open the door of the Remote Controller and press the 2nd F button to operate functions printed in blue at bottom of buttons. (Check the indication of 2nd function on Remote Controller display. ) These buttons operate the timer setting as follows: CANCEL ON OFF SET CANCEL ON OFF SET AUTO CLEAN 3 2nd function goes off in a short time automatically or when the button is pressed again. For more details refer to the functions in next page. 18 Ceiling Cassette Air Conditioner Operating Instructions Additional features Sleep Mode 1. Press the Sleep Mode Auto button to set the time you want the unit to turn off automatically. The Timer is programmed in one-hour increments by pressing the Sleep Mode Auto button 1 to 7 times. The sleep mode is available for 1 to 7 times. To alter the time period in steps of 1 hour, press the Sleep Mode Button while aiming at air conditioner. Make sure the Sleep Mode Auto LED lights up. To cancel the Sleep Mode, press the sleep Mode Auto button several times until the star ( ) disappears from the operation display. NOTICE The Sleep Mode will be operated at low fan speed (cooling) or medium fan speed (heat pump only) for quiet sleeping. IN COOLING MODE: The temperature will automatically rise by 1°C over the next 30 minutes and by 2°C in 1 hour for comfortable sleeping. Setting the Time 1. [. . . ] This is not good for your health and wastes electricity. Do not let direct sunshine enter the room when the air conditioner is in operation. Adjust the vertical and horizontal airflow direction to ensure a uniform temperature in the room. Since windows are kept closed, it is a good idea to open them and ventilate the room now and then. Make sure that the doors and windows are shut tight. Clean the air filter regularly. Avoid opening doors and Blockages in the air filter windows as much as possible reduce the airflow and lower to keep the cool air in the room. [. . . ]