H
D
E
0
8
/2
018
73
2.2
9
.1
95
30
5. Installation of the reader
5.1 Requirements
for installation
locations
Prerequisites:
• At the desired installation location, a switch box according to DIN 4973 is pre-
installed in the wall.
• The connection lead between controller and switch box has already been
installed and connected to the controller.
• The environmental conditions must be adhered to.
• Connection leads for connecting the reader must be present.
5.2 Installation
in switch box
1. Disconnect the controller from the voltage supply.
2. Connect the connection leads to the clips of the reader (See Fig. 10: Connections
3. Install the reader in the pre-installed switch box (fig. 1/1).
4. Fix the switch frame (fig. 2/1) to the reader with the supplied cover (fig. 2/2).
5. Restore the voltage supply of the controller.
See chapter: “7. Technical data” on page 33.
It must be noted that the conductor which is connected to A at the
controller is also connected to A at the reader.
The same applies to the conductor which has been connected to B.
Fig. 1: Install WRU 220 reader in switch box
Fig. 2: WRU 220 reader with frame
1
1
1
2
ins-src-732.29.195_book.book Seite 30 Donnerstag, 9. August 2018 8:56 08