The air inside the room (ventilation) is circulatedthrough a filtering system when the appliance is setto this function. All models have a basic filteragainst– Smells and smoke.– Pollen, bacteria and dust.The purifying filter needs to be replaced when isdisplayed on the screen. Fig. 6. When the filter hasbeen changed, press + and – at the same time tocancel the “change filter” indication. Fig. 7.Important!Automatic speed cannot be selected when theappliance is set to this mode.The appliance works non-stop regardless of theprogrammed humidity setting.See all the information provided regarding filterreplacement in Cleaning and Maintenance.Air purificationOperation at lowtemperaturesThe appliance is fitted with an electronic anti-icethermostat to protect it when working at lowtemperatures. The thermostat prevents ice fromforming inside the appliance by automaticallystopping the compressor for the length of timerequired. Thanks to this thermostat, the applianceworks properly even at low temperatures. Thescreen displays the symbol when this protectionsystem has been triggered.See figure 5.1. Make sure that the applianceis plugged in and presson/off. The display screenlights up.2. Select the purification modeby pressing the modebutton.3. Set the speed required bypressing the speed button:Maximum.Minimum or silent.Fig. 5Fig. 6Fig. 729