Connecting Central Fault Messaging To Plug Gö - Viessmann VITOTRONIC 100 Installation And Service Instructions Manual

External connections on plug aBÖ
!
Please note
Connecting an external control
unit can damage the boiler.
Connect only safety shutdown
equipment, e.g. temperature
limiter, to these terminals.
ON ON
A Jumper "TR" "ON/TR"
B Motorised flue gas damper
Connecting central fault messaging to plug gÖ
3
2
1
B
A
50
(cont.)
When the heating system is
shut down, the heating system
is not protected against frost,
and the boiler is not held at the
lower boiler water
temperature.
M
Motorised flue gas damper
H Remove jumper "TR" "ON/TR".
H Connect the motorised flue gas
damper.
Rated voltage:
Rated current:
Recommended
connecting
cable: H05W−F3G 0.75 mm
or
H05RN−F3G 0.75 mm
Installation
230V~
max. 4 (2) A~
2
2
85