Installation; Control With A/B Switching Modules - Auerswald TFS-Dialog 400 Advanced Information

Installation

Warning: Using the wrong door bell transformer could pose a fire
hazard.
– Only approved intrinsically safe bell transformers according to the
standards DIN EN 61558-2-8 or VDE 0570 T2-8 with a maximum
rated power of 100 W/VA may be used.
This section is supplementary to the installation described in the instruc-
tions.
Topics
– Control with a/b switching modules (Seite 42)
– External door opener button and ringer stop contact (Seite 45)

Control with a/b switching modules

Warning: Improper handling of the device can result in life-threat-
ening electrical shock, or damage or destroy the device.
– When connecting an a/b switching module, please also refer to the
safety information and technical data in the a/b switching module
instruction manual.
You can install up to six switchable a/b switching modules, which are
available as accessories, on the 2-core cable between the PBX and device
to implement additional switching functions.
TFS-Dialog 400 - Advanced Information V02 11/2020
Control with a/b switching modules
Installation
42