Viessmann Vitodens 200 Service Manual page 106

Function description
Control functions
The diverter valve can be moved into
its central position via coding address
2F:2. The system can be filled com-
pletely, if the control unit is switched
OFF in this position.
Filling with the control unit switched ON
If the system is to be filled with the
control unit switched ON, the diverter
valve is moved into its central position
via coding address 2F:2, and the
pump is started. The burner shuts
down if this program is activated via
coding address 2F. The program is
automatically deactivated after
20 minutes, and the coding address is
set to 0.
Screed function
The screed drying function enables
the drying of a freshly laid screed. For
this, always observe the instructions
issued by the screed manufacturer.
Temperature profile: Diagram 1 (DIN 4725 part 4) code F1:1
106
(cont.)
Various temperature profiles are
available for selection.