RKI Instruments GD-70D Series - Manual (Page 21)

2 Installation 2-2. Installation of detector
- 21 - GD-70D
Attach the wall-mounted unit in the installation surface using two or three M5 screws.
Recommended mounting screw (M5)
Length of 8 mm or more
Flat washer of φ10 mm or less (small round)
After the wall-mounted unit is attached to the wall, install the main unit in the wall-mounted unit.
CAUTION
• The detector must be installed in the right direction to ensure its performance. Install the detector as
shown on the following example, and adjust its position so that it is placed horizontally. (* The
direction of the detector must also be kept during transportation, including when it is removed
temporarily or relocated.)
Wall
Floor
Ceiling
Wall
CAUTION
• Install the unit so that its surface is in intimate contact with the wall-mounted unit. A space between
the unit and the wall-mounted unit invites unnecessary vibrations and noises.