4646To replace the filters:1. Disconnect the ventilation unit from the mains electricity supply.2. Lift the latch to open the door of the Vallox ventilation unit.3. Lift the door off.CAUTIONThe door is heavy.4. Remove the old filters (A, B, C) and discard them.5. Install the new filters (A, B, C).6. Close the door of the unit. Ensure that the safety switch catchof the door is touching the safety switch, allowing the unit to beturned on.7. Plug the ventilation unit back into the mains.The filters have now been successfully replaced.CLEANING THE HEAT RECOVERY CELL(USER)Check that the heat recovery cell is clean roughly once a year,or whenever the filters are being replaced. Clean by washing asrequired.To check and clean the heat recovery cell:1. Disconnect the ventilation unit from the mains electricity supply.2. Open the Vallox ventilation unit door by first lifting the latchfully up and then lowering it back a little way.3. Lift the door off.CAUTIONThe door is heavy.4. Remove the filters (A, B, C).5. Remove the sealing strip (E) above the cell in the direction ofthe arrow.6. Lift and pull the cell (D) out of the unit.7. If the cell is dirty, clean it by immersing it in warm water, towhich a small amount of a mild detergent has been added.8. Rinse the cell clean with a water spray. Do not use a high-pressure cleaner.9. When all the water has drained from between the layers,reassemble the ventilation unit in the reverse order.10. When reassembling Vallox 096 MV, check that the sealing stripbelow the cell is pressed against the bottom of the unit.11. Close the door. Ensure that the safety switch catch of the dooris touching the safety switch.12. Plug the ventilation unit back into the mains.The heat recovery cell has now been checked and cleaned.IMPORTANTHandle the cell carefully! Forexample, do not lift the cell bythe layers. The cell layers arevery thin and easily damaged.MAINTENANCEIMPORTANTIf the unit has an enthalpy cell,it must not be washed. Onlyaluminium or plastic cells canbe washed.