User's Manual
3ZXSDRR8881S4200Installing
3.1 Wallmounting
In most cases, two expansion bolts are enough to fasten the mounting bracket, which
should pass through the upper two screw holes on the face of the bracket. However, if the
ZXSDRR8881S4200
is installed along a high-speed railway, in a tunnel or an
earthquake-prone zone, four expansion bolts are required.
1. Use an electrical punch drill to drill 2 or 4
holes on a wall. And then fix the
attachments of the expansion bolts into the
holes. Use a vacuum cleaner to clean the
dust while you are drilling holes
2. Place the mounting bracket on the wall.
Then use two M10x100 expansion bolts to
pass through the upper two screw holes on
the bracket and screw up the bolts to fasten
the bracket on the wall, In placing the
bracket, ensure the arrow on the bracket
points upward.