Navigation In The Control Unit Menu; Start-Stop Pushbutton Function - Viessmann VITOLIGNO 300-C Operating Instructions Manual

Control unit operation

Navigation in the control unit menu

Display
A
B
START
C STOP
Fig.6
Display of operating phase
A
Start-Stop pushbutton
B
Dialogue line
C
The selected menu point is highlighted in white.

Start-Stop pushbutton function

Start-Stop pushbutton:
Does not illuminate
Illuminates
Flashing
Flashing rapidly
Flashing slowly
12
Buffer drawing
Boiler
Heating
DHW
Information
Select with
(
B
The boiler is off; no frost protection.
The boiler is in standby mode and will start automatically on demand or
the boiler is operating.
An external demand has been activated via CA 44 or the boiler is in burnout
mode.
Contact at plug 270 closed
There is an external demand.
Contact at plug 270 open
There is no current demand.
Dialogue line C gives the necessary instructions.