User's Manual

3 Device Installation

Figure 3-1 Installation

Step 1. Fix rear cover's self-tapping screw on wall.

Step 2. Hang front cover on hook on rear cover.

Step 3. Pull recessed screw throught hole at bottom, and lock front cover on rear cover.

Step 4. Apply silica gel to gaps between the device and the wall. Liquid sodium silicate is

recommended.