Viessmann Vitotronic 200 Installation And Service Instructions Manual page 75

Heating circuit control
Example using the settings in the delivered condition
A Start of operation with standard
room temperature
B Set boiler water or flow tempera-
ture in accordance with the
selected heating curve
Upper control limit
Electronic maximum temperature lim-
iter
Lower control range limit
Electronic minimum temperature limit
Setting range: 1 to 127 ºC
Changes via coding address "C5".
(cont.)
C Set boiler water or flow tempera-
ture in accordance with the
selected coding address "FA":
50 °C + 20 % = 60 °C
D Duration of operation with raised
set boiler water or flow tempera-
ture in accordance with coding
address "Fb":
60 min
Setting range: 1 to 127 ºC,
Changes via coding address "C6".
Only enabled during operation with
standard room temperature.
Function description
75