Viessmann Vitodens 300 - Page 37

Adjusting t he set room temperature
Standard room temperature:
1. For two heating circuits – select
heating circuit:
&
Press a.
1r flashes on t he d isplay.
&
Select heating circuit A1 (heating
circuit w ithout mixer):
Press d.
&
Select heating circuit M2 (heating
circuit with mixer):
– Press a.
– 2r flashes on the display.
– Press d.
Example 1: M odifying the sta ndard
roomtemperaturefrom20°Cto26°C
A Boiler water or flow temperature
in °C
B Outside temperat ure i n ° C
C Set room temperature in °C
D Heating circuit pump OFF
E Heating circuit pump ON
2. Adjust the set day temperature with
rotary selector ts.
The value will be automatically
adopted after approx. 2 seconds.
Accordingl y, the heating c urve is
adjusted along set room tempera-
ture axis C, which result s in m odi-
fied start/shutdown characteristics
of the heating circuit pumps, if the
heating circuit pump logic is acti-
vated.
Further details regarding the individual steps (cont.)
37
Initial start-up, inspection, maintenance
5692 537 GB