Installation conditions
If installed in accordance with DIN 18017-3, use is only permitted:
- in single air extraction systems with a common main duct;
- with an air supply via shaft or duct;
- with permitted connection ducts;
- with housing suitable for the system;
- if correctly installed as per the instructions in this manual and national technical approval;
- with sufficient space from the wall or ceiling;
- if unit is completely installed;
- with the correct air filters;
- with the outside air openings stated in the planning documents.
- with flush-mounted installation in the wall or ceiling.
If the installation deviates from DIN 18017-3:
- ER EC/ER EC 2.1 fans can also be used as standalone units.
- Installation in the wall or ceiling is permitted.
- The extraction of an additional room (open plan kitchen etc.) or a toilet seat air extraction is permitted.