Pax Calima Automatic functions and settings via app. Default setting: Pax Calima is programmed to cope with the vast majority of installations. The fan works continuously with a flow of 30m³/h. When the fan senses a somebody in the room it increases the flow to 60m³/h. If the humidity rises rapidly for example when the shower is on, the fan goes up to maximum flow at 95m³/h.