User's Manual

12
3. Installation
The reader has four holes of 5.5 mm diameter in its cover for fastening.
Figure: Underside of RRUI 4 with fastening holes
3.2 Selecting the installation site
Pay attention to the unit's degree of protection when selecting the installation site. The standard
version (IP 40) of the reader is only designed for usage indoors. The installation site must be
protected against water splashes in this case. Space is to be provided around the unit so that the
heat produced in the unit can dissipate adequately.
3.1 Hole pattern (mm)
Prior to installing, read the safety instructions at the start of this manual!
Caution!
- The reader (the unit) is only to be fastened using the holes on the cover
- Attention is to be paid to the mounting surface when selecting the fastening material
- Strain relief should be used on the cables to protect the connections
3.3 Installing the reader