ALD 125, ALD 160

12

Sound insulation elements

13

External grille, complete

13.1

External grille housing

13.2

External grille frame

  1. Fit the sound insulation elements onto the external grille housing.

  2. 13.1

    External grille housing

  3. Align the external grille housing and use 4 screws to attach it to the exterior wall.

  4. 13.2

    External grille frame

    S

    Sealing material

  5. Push the external grille frame onto the external grille housing so that it engages all the way around.

Seal the external grille frame to the exterior wall with permanently elastic and weatherproof seal (→ arrows ‘S’). Do not seal the lower side so that any condensation can drain off.