AMX Metreau Entry Communicator with Display MET-ECOM-D Operation/Reference Manual page 28

Mounting and Installation
4. Install the 2 drywall screws and expansion clips into the 2 locations along both sides of the wall box.
5. Insert the wall box and expansion clips into the cutout until the rim of the wall box is flush against
the wall.
Replacement drywall clip sets must be ordered from AMX.
6. Tighten the 2 drywall clip sets (screws and clips) until the wall box is flush against the wall
(FIG. 19).
FIG. 19
Wall Surface Installation (Using Expansion Clips)
Do not over-torque the screw; doing so can cause the unit to not function properly
7. Place the lug of the ground wire on the device and the Earth ground wire around the provided screw
and connect them both to the point shown in FIG. 17.
The device and wall box must have an Earth ground.
22 Metreau Entry Communicators