1. Installl a mounting rail DIN50 EN 50022 (If not existing) on the wall.
2. Mount the JB70D2-SA on the rail (Be sure that the unit is properly mounted, see detalil B)
3. Mark the 4 centerpoints for the drill in the wall (A). NB! The drilling holes diam. depends on thickness and material of the wall.
4. Use self tapping screws ST3,5 DIN7981-C pozidrive (A) (The screw length depends on the wall thickness).