Connecting The Fault Report Contact; Power Supply Connection And Commissioning - Viessmann CS Installation And Operating Instructions Manual

7.2

Connecting the Fault report contact

The electronic SD Control unit is outfitted with a potential-
free Fault report contact for connection to the on-site Fault
reporting equipment (max. 10A, 230VAC).
In the event of a fault, contacts C and NC are closed.
The connection is located on the circuit board (plug connec-
tor A3 orange).
7.3

Power supply connection and commissioning

Attention!
The electrical power supply should first be connected at
commissioning - Risk of life!
Work on the power supply connector and protection
devices must be carried out by a specialist company, in
accordance with IEC 364, local regulations and the connec-
tion conditions of the respective energy supply company!
Insert the mains plug into the approved and properly
grounded socket (230 VAC or 400 VAC, 50 Hz, 16A slow-
blow).
Electronic SD Control unit
The unit starts after the Control unit self-test function and
afterrun-out of an approx. 3 minute delay time (adjustable
via parameter P34). During the initial switch-on, this time
delay can be bypassed by switching the unit off, then by
switching it subsequently back on by means of the Start/
Stop key. The "Stop-Start-Enter" key must be actuated for
approx. 3 sec. in order to switch off the unit.
General notice (liability): the details of this technical documents serve for description. Consents regarding the availability of certain features or
regarding a certain purpose always require a special written agreement.
Page No. 17-GB
A3
7.2 - 7.3
C NC NO
We reserve the right to make technical changes!
GB