Installation 11
3.1.2 Installing in the Wall
Drill a hole in the wall.
Step 1
For 2-module mounting, the rectangular hole dimension is 126mm×226mm to
128mm×228mm.
For 3-module mounting, the rectangular hole dimension is 126mm×326mm to
268mm×329mm.
Put the mounting box into the wall with ST4×25 screws; ensure that box edge clings to
Step 2
the wall.
Fix the rear panel on the mounting box with M2×8 screws.
Step 3
Connect cables. Please refer to "2 Structure."
Step 4
Fix every module on the rear panel with M3×8 screws.
Step 5
Apply glue to gaps among the rear panel, mounting box and wall.
Step 6
Write room number or the username on the visiting card, and insert it into user
Step 7
directory.
Apply silica gel to gaps between the device and the wall.
Step 8
Liquid sodium silicate is recommended.
Installing in the wall
Figure 3-3
