2EN - 8 - For the userThe ventilation volume can be set as follows:1. Press " " to increase the ventilation volume.2. Press " " to decrease the ventilation volume.During manual ventilation, the CC Ease panel will notdisplay “AUTO”, but “MANUAL”.3. Press " " to return to automatic ventilation.2.3.4 Switching Boost on1. Press“ ”.- Wait until '3t' appears.Once the programmed time delay is complete, theComfoAir automatically switches back to the previ-ous ventilation setting.2.3.5 Switching the supply and exhaust fanon/offWhile the Chimney sweep programme is ac-tivated the supply and exhaust fan can notbe turned off manually.1. Press " " once (first time) to switch off thesupply fan.This mode can be used when the windows are openduring the summer. In that case, fresh air is not sup-plied via the supply fan, but through the open win-dows.2. Press " " again (second time) to switch theexhaust fan off (and simultaneously switchingthe supply fan on).3. Press " " again (third time) to switch the sup-ply and exhaust fans on again.Bear in mind that switching off the supply orexhaust fan will temporarily immobilize yourbalanced ventilation system.2.3.6 Setting the ventilation programmeThe ComfoAir has a factory default ventilation(setting 2).If wanted, you can change the default ventilation set-ting to suit your individual situation. For example aweekday and weekend programm.The ventilation volume can be changed/set as fol-lows:1. Press and hold " " and " " for 2 seconds,simultaneously.– Wait until the ventilation programme appears.2. Programme the desired day or series of days.3. Select the desired option using" " or" ".You can choose from:– Weekend: “SaSu”;– Working week: “MoTuWeThFr”;– Week: “SaSuMoTuWeThFri”;– Separate days: “Sa”, “Su”, “Mo”, “Tu”, “We”, “Th”and “Fri”.2