41© Vallox Oy - All rights reservedMAINTENANCEBEFORE BEGINNING MAINTENANCEWORKThe safety switch automatically turns off the power when the doorof the unit is opened.WARNINGAlways disconnect the power plug before starting the ventilationunit maintenance.There are two unit models, left- (L) and right-handed (R).REPLACING THE FILTERS (USER)See section Vallox 90 MV, Replacing the filters.CLEANING THE HEAT RECOVERY CELL(USER)See section Vallox 90 MV, Cleaning the heat recovery cell.CLEANING THE FANS (INSTALLER)See section Vallox 90 MV, Cleaning the fans.CLEANING THE GREASE FILTER OF THECOOKER HOOD (USER)Clean the grease filter of the cooker hood 1-2 times a month.To clean the grease filter:1. Open the quick connectors of the bottom plate of the cookerhood by pressing them.2. Let the bottom plate move to the down position.3. Remove the grease filter from its mountings.4. Clean the grease filter either by washing it with hot water andhand-washing detergent or in a dishwasher.REPLACING THE COOKER HOOD LAMP(USER)To replace the cooker hood lamp (type PL 11, 11 W), remove theprotective glass of the lamp (A) by pushing it to the left. Once youhave replaced the lamp, put the protective glass back in its place.A12
