KB / KB-UL (E4 + E6) 10/2021 page 27/147
4. Installation of the chamber
4.1 Spacers for wall distance – KB / KB-UL 240 / 400 / 720 (E6)
Please fix both spacers with the supplied screws at the chamber rear. This serves to ensure the prescribed
minimum distance to the wall of 100 mm / 3.94 in.
Figure 9: Spacer for rear wall distance
Figure 10: Rear KB / KB-UL 240 / 400 / 720 (E6) with mounted spacers