Intended use

Shutters to be opened/closed manually for extracting air from or ventilating rooms/areas. Shutters alternatively controllable with optional MS 2 servomotor.

Operation is only permitted:

• with permanent installation, mounted on an exterior wall with sufficient load-bearing capacity.
• when mounted with suitable mounting material.
• with a vertical installation position.
• with installed protective grille (for fans with free air inlet/outlet).