Viessmann CS 900 - Connecting the Alarm; Connecting Remote and Central Controls

GB
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regarding a certain purpose always require a special written agreement.
Page No. 5237329-05 GB 3.4 - 3.5 Right reserved to make technical changes!
3.4 Connecting the alarm contact
The electronic control SE has a potential free alarm contact
to connect to an appropriate alarm (max. 10 A, AC 230 V ~).
The connection is on the back of the plate.
3.5 Connecting remote and central controls
The electronic control SE has a nine pole D Sub plug on the
back of the plate. The serial interface is the connection for
the remote control and can be connected to a central
controlsystem.
potential-free
Alarm
AC 10A/230 V
Plate
Contact plan:
Contacts CNC = Opener
Contacts CNO = Close
A3
C NC NO
A3