User manual LG LTM9020B

[. . . ] 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. . . . . . . . . . . . . . . . . 11 Maintenance and Service . . . . . . . . . . . . 30 PRECAUTION · Contact the authorized service technician for repair or maintenance of this unit. · Contact the installer for installation of this unit. · The air conditioner is not intended for use by young children or invalids without supervision. [. . . ] · The display shows high fan speed. · Each time the button is pressed, the fan speed mode is shifted. During Cooling operation, pressing the fan speed button can be changed Jet Cool operation mode. (Refer to p26. ) 18 Ceiling Cassette Air Conditioner Operating Instructions Soft Dry Operation Mode This mode dehumidifies without overcooling. 1 Press the On/Off Button. 2 Select Soft Dry Operation. Press the operation Mode Selection Button. Each time the button is pressed, the operation mode is shifted in the arrow direction. HEAT PUMP MODEL Operation Display AUTO SWING OPERATION SET TEMP Room Temp FAN SPEED HI MED LO AUTO SWING SUB FUNCTION OPERATION SET TEMP Room Temp FAN SPEED HI MED LO SUB FUNCTION AUTO SWING OPERATION SET TEMP Room Temp FAN SPEED HI MED LO SUB FUNCTION AUTO SWING OPERATION SET TEMP Room Temp FAN SPEED HI MED LO SUB FUNCTION Time Timer Operation unit 03 05 07 AUTO Heater Preheat JET Defrost Humidify Filter Out door ZONE 1234 Timer Operation unit 03 05 07 17 19 On Off 21 Set no. Time 01 23 Time Program set 09 11 13 AUTO Heater Preheat JET Defrost Humidify Filter Out door ZONE 1234 Timer Operation unit 03 05 07 17 19 On Off 21Set no. Time 01 23 Time Program set 09 11 13 AUTO Heater Preheat JET Defrost Humidify Filter Out door ZONE 1234 Timer Operation unit 03 05 07 17 19 On Off 21Set no. Time 01 23 Time Program set 09 11 13 AUTO Heater Preheat JET Defrost Humidify Filter Out door ZONE 1234 17 19 21 23 Program set 09 11 13 15 On Off Set no. Time 01 15 15 15 Cooling Operation Soft Dry Operation Heating Operation Auto Operation COOLING MODEL Operation Display AUTO SWING OPERATION SET TEMP Room Temp FAN SPEED HI MED LO SUB FUNCTION AUTO SWING OPERATION SET TEMP Room Temp FAN SPEED HI MED LO SUB FUNCTION AUTO SWING OPERATION SET TEMP Room Temp FAN SPEED HI MED LO SUB FUNCTION Time Timer Operation unit 03 05 07 AUTO Heater Preheat JET Defrost Humidify Filter Out door ZONE 1234 Timer Operation unit 03 05 07 17 19 21 23 On Off Set no. Time 01 Time Program set 09 11 13 AUTO Heater Preheat JET Defrost Humidify Filter Out door ZONE 1234 Timer Operation unit 03 05 07 17 19 21 23 On Off Set no. Time 01 Time Program set 09 11 13 AUTO Heater Preheat JET Defrost Humidify Filter Out door ZONE 1234 17 19 21 23 Program set 09 11 13 15 On Off Set no. If you want to change the set temperature, close the door on the remote control and press the Room Temperature Setting buttons. The cooler or warmer you feel, the more times (up to two times) you should press the button. The set temperature will then be changed. The temperature can be set within a range of -2~2 by 1 level. AUTO SWING OPERATION SET TEMP Room Temp FAN SPEED HI MED LO SUB FUNCTION Time Timer Operation unit 03 05 07 AUTO Heater Preheat JET Defrost Humidify Filter Out door ZONE 1234 17 19 21 23 Cold Cool Proper Warm Hot Program set 09 11 13 15 On Off Set no. To decrease the Temperature. (This indication will be shifted to the initial Auto Mode Display state after 5 seconds. ) 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, it must be done by manually resetting. During Auto Operation, pressing the auto swing button makes the horizontal louvers swing up and down automatically. If you want to stop auto-swing, press the auto swing button again. Owner's Manual 21 Operating Instructions Auto Operation Mode (Heat pump model) 1 Press the On/Off Button. 2 To select Auto Operation, press the Operation Mode Selection button. Each time the button is pressed, the operation mode is shifted in the direction of the arrow. HEAT PUMP MODEL Operation Display AUTO SWING OPERATION SET TEMP Room Temp FAN SPEED HI MED LO AUTO SWING SUB FUNCTION OPERATION SET TEMP Room Temp FAN SPEED HI MED LO SUB FUNCTION AUTO SWING OPERATION SET TEMP Room Temp FAN SPEED HI MED LO SUB FUNCTION AUTO SWING OPERATION SET TEMP Room Temp FAN SPEED HI MED LO SUB FUNCTION Time Timer Operation unit 03 05 07 AUTO Heater Preheat JET Defrost Humidify Filter Out door ZONE 1234 Timer Operation unit 03 05 07 17 19 On Off 21 Set no. [. . . ] 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. [. . . ]