Viessmann GC1 - Controls, Vitotronic 300-K

12
Opening the control unit
A
A
Cover flap
The programming unit is located behind
the cover flap.
To open, pull the flap from the top edge
forward.
Programming unit
Boiler
1423
Boiler sequence
Common flow temp 40°C
Takes you to the previous step in
the menu or cancels a setting that
has been started.
Cursor keys
To scroll in the menu or to set val-
ues.
OK Confirms your selection or saves
the setting.
Calls up the "Help" menu (see the
following chapter) or additional
information.
Calls up the extended menu.
"Help" menu
You can view a short guide giving an
explanation of the controls and informa-
tion about heating circuit selection (see
page 21).
About the controls
Controls, Vitotronic 300-K
5592 675 GB