Installation
Installation instructions
- Mounting may only be carried out by specialists who have the necessary knowledge and experience in ventilation engineering.
- When working at heights, use appropriate climbing aids (ladders) and have them steadied by a 2nd person.
- Installation only in walls with sufficient load-bearing capacity (min. 200 kg/m³).
Installation
See also Installation situation
- Insert the shell sleeve into the wall block and fix it in place so that it:
• has a slope of 1-2% towards the outside (fix with shims);
• is flush with the finished wall on the inside;
• projects on outside according to the installation instructions. 
S
Cutting marks
- Fix shell sleeve and shim with non-pressing or expansion-free construction foam. Cut off protruding construction foam and shims flush with the wall block.
- Cover wall block on both sides (inside: plaster; outside: plaster, clinker etc.).
- Cover shell sleeve on the inside with the corresponding inner panel and on the outside with the external grille of the finishing product.