Viessmann Vitodens 300 Service Instructions Manual page 104

Function description
Control functions
Filling with the control unit switched ON
If the system is to be filled with the
control unit switched ON, the pump
will be started via coding address
2F:2. The burner shuts down if this
function is activated via coding
address 2F. The program is automati-
cally deactivated after 20 minutes,
and the coding address is set to 0.
Screed function
The screed drying functions 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
Temperature profile: Diagram 2 code F1:2
104
(cont.)
Various temperature profiles are
available for selection.