ECA-DR: wall/ceiling with flat channel

Minimum distances, permissible drilling diameter

  1. Drill wall breakthrough.
  2. Create a level surface.
  3. Switch off the mains fuse, lay the fan mains cable to the installation location.
  4. Drill dowel holes for the shutter/external grille and the spacing frames, insert dowels. Note the position of the cable feedthrough through the spacing frame.