User manual LG VRB422

[. . . ] 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. PRECAUTION • Contact the authorized service technician for repair or maintenance of this unit. [. . . ] € It will display strange value to the room temperature if wired remote controller is not connected. Function setting button Used to set or clear auto clean or smart clean. Room temperature setting button Used to select the room temperature. On/Off button Used to turn on/off the unit. Indoor fan speed selection button Used to select fan speed in four steps low, medium, high and chaos. Timer and time setting button Used to set the time of starting or stopping and sleeping operation. Room temperature checking button Used to check the room temperature. PQWRHDF0 (Heat pump) PQWRCDF0 (Cooling only) Operation Mode Cooling mode Auto mode or auto changeover Dehumidification mode Heating mode Fan mode • Cooling model( ), Heat pump model( ) Ownerʼs Manual 9 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. € Every time you press wind powerfulness, you can select the wind flow in order of ‘feeble → weak → weak medium → medium → medium strong → strong → power → automatic’. € The menu item might not be partially selected according to product function. Repeatedly until the 2 If moving to 'setup' icon area by using button, 'setup' icon blinks, and child lock function is setup if pressing button at that time. 3 When cancelling lock function, if moving to 'cancel' icon by pressing button and then, pressing button, child lock function is cancelled. 4 Press setup, it automatically gets out of ❈ After setup mode if there is no button input for 25 seconds.  When exiting without pressing set button, the manipulated value is not reflected. Ownerʼs Manual 19 Operating Instructions Function Setting - Change Temp Change temperature is the function to setup air-cooling and heating drive automatically changeable according to the temperature at artificial intelligence drive mode. 2 Press ❈ Converting temp value : 1~7 3 Press button to complete and active the setting process. 4 Press willbutton to exit or system automatically release without any input after 25 seconds.  When exiting without pressing set button, the manipulated value is not reflected. Is flashing, press 2 When the clear this display the to • When filter is covered by dust, it will reduce cooling/heating efficiency and accumulate more electric power. [. . . ] Make sure that the doors and windows are shut tight. Avoid opening doors and windows as much as possible to keep the cool air in the room. Since windows are kept closed, it is a good idea to open them and ventilate the room now and then. Blockages in the air filter reduce the airflow and lower cooling and dehumidifying effects. [. . . ]