4 OperationOperation manual5ATXF25~35A5V1BDaikin room air conditioner3P520336-8D – 2019.02Feature TasksAirflow rate To adjust the amount of air blown intothe room.To run more quietly.Advanced featuresEcono To use the system when you are alsousing other power-consumingappliances.To save energy.Comfort To provide a comfortable airflow thatdoes NOT come in direct contact withpeople.Powerful To cool down or heat up the roomquickly.ON timer + OFFtimerTo automatically turn ON or OFF thesystem.4.3 Operation mode and temperaturesetpointWhen. Adjust the system operation mode and set the temperaturewhen you want to:▪ Heat up or cool down a room▪ Blow air in a room without heating or cooling▪ Decrease the humidity in a roomWhat. The system operates differently, depending on the userselection.Setting DescriptionAutomatic The system cools down or heats up aroom to the temperature setpoint. Itautomatically switches between coolingand heating if necessary.Drying The system decreases the humidity in aroom.Heating The system heats up a room to thetemperature setpoint.Cooling The system cools down a room to thetemperature setpoint.Fan The system only controls the airflow(airflow rate and airflow direction).The system does NOT control thetemperature.Additional info:▪ Outside temperature. The system's cooling or heating effectdecreases when the outside temperature is too high or too low.▪ Defrost operation. During heating operation, frost might occur onthe outdoor unit and decrease the heating capacity. In that case,the system automatically switches to defrosting operation toremove the frost. During defrosting operation, hot air is NOTblown from the indoor unit.4.3.1 To start/stop operation mode and to setthe temperature: Unit is operating.: Operation mode = Automatic: Operation mode = Drying: Operation mode = Heating: Operation mode = Cooling: Operation mode = Fan only: Shows the set temperature.1 Press one or more times to select the operation mode.Result: The mode will be set in the following sequence:2 Press to start operation.Result: is displayed on the LCD.Result: The operation lamp lights up.3 Press or on the button one or more times to lower orraise the temperature.Note: When using drying or fan only mode, you cannot adjust thetemperature.4 Press to stop operation.Result: disappears from the LCD.Result: The operation lamp goes off.4.3.2 Airflow rate1 Press to choose:5 airflow rate levels, from " " to " "Automatic airflow rate operationIndoor unit quiet operation. When the airflow rate isset to " ", the noise from the unit will be reduced.INFORMATION▪ If the unit reaches the temperature setpoint in coolingor heating mode, the fan will stop operating.▪ When using drying operation mode, you CANNOTadjust the airflow rate setting.To adjust the airflow rate1 Press to change the airflow setting as follows: