80
5. Push the reader into the frame until it has engaged into the retaining rails at both
sides.
Fig. 15: WRU 200 reader with frame
6. Restore the voltage supply of the controller.
5.3.2 WRU 220 reader
DANGER
Risk of fatal injury from electrical current!
• Before installation, please ensure that the on-site power supply is
switched off.
1. Disconnect the controller voltage supply.
2. Connect the connection leads to the clips of the reader (Fig. 39/p. 100).
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.
3. Install the reader in the pre-installed switch box (Fig. 16).