Door Station Installation Guide
44
Figure 3-57 Mark the Screw Holes
6. Drill 8 holes according to the marks on the wall, and insert the expansion sleeves into the screw
holes. The suggested size of hole is 6 (diameter) × 45 (depth) mm.
7. Fix the gang boxes with 8 expansion bolts.
Figure 3-58 Fix the Gang Boxes
8. Fill the gap between the gang box and wall with concrete. Remove the mounting ears with tool
after concrete is dry. Route the grounding line through the cable entries.