Viessmann VITOTRONIC 300 Operating Instructions Manual page 23

Setting "Operating program" for central heating
For information on the operating programs, see
page 17.
Setting "Time program" for central heating
This setting can only be made at the Vitotronic 300.
Set individual time phases for central heating at stand-
ard room temperature.
Factory setting: One time phase from 06:00 to 22:00 h
for every day of the week
Tap the following on-screen buttons:
1. If required, for the home screen
2. for the "Main menu"
3. "Heating" for central heating settings
4. "Heating circuit 1"
or
"Heating circuit 2"
or
"Heating circuit 3"
Setting the "Heating curve"
This setting can only be made at the Vitotronic 300.
By setting the "Heating curve", you influence the flow
temperature provided by the boiler.
So that your rooms are heated optimally at all outside
temperatures, you can adjust "Heating curve"
"Slope" and "Level".
Factory setting:
■ "Slope": 1.4
■ "Level": 0
Tap the following on-screen buttons:
1. If required, for the home screen
2. for the "Main menu"
3. "Heating" for central heating settings
4. "Heating circuit 1"
or
"Heating circuit 2"
or
"Heating circuit 3"
Vitotronic 300: Central heating
(cont.)
5. "Time program"
Note
When adjusting the setting, bear in mind that your
heating system requires some time to heat the rooms
to the required temperature.
To see how to set a time program, see page 20.
5. "Heating curve"
6. / in each case for the required value for
"Slope" and "Level"
The graph displayed clearly shows the change in
the "Heating curve" as soon as you alter the
value for the "Slope" or "Level".
Depending on the differing outside temperatures
(shown on the horizontal axis), the assigned set
flow temperatures for the heating circuit are dis-
played.
7. to confirm
Note
Heating curve explanation: See chapter "Terminology"
23