Cleaning/maintenance
Cleaning and maintenance work may only be carried out by the specialist installer → Safety instructions supplement.
- Clean or service the ventilation unit at least every 2 years.
- Never operate the ventilation unit without an air filter.
- Only use original air filters.
Risk of burning from hot housing parts on ventilation units with preheating register.
Do not touch the heat register. Wait until the heat register and the housing parts have cooled off.