
Installation 14
Installing VTO
4.2
4.2.1 VTO1220A/VTO1210A-X
VTO1220A/VTO1210A-X installation
Figure 4-2
Table 4-1 Item list
No. Item
No. Item
No. Item
1
M3
×
16 screw
2
VTO
3
ST3
×
18 screw
4
Metal mounting box
5
Expansion tube
6
Wall
Cut an opening with the size of the mounting box on the wall, and then drill screw holes
Step 1
in the opening according to the position of the screw holes on the mounting box.
Put the expansion tubes in the screw holes.
Step 2
Connect the ports on the rear panel to those in the wall through the mounting box. See
Step 3
the details in "2.4 Connecting Cable."
Fix the mounting box in the opening with the ST3
×
18 screws.
Step 4
Fix the VTO in the mounting box with the M3
×
16 screws.
Step 5
Apply silica gel to gaps between the device and the wall.
Step 6
Liquid sodium silicate is recommended.