Viessmann VITOTRONIC 300 Operating Instructions Manual page 28

Central heating Multi boiler system control
—
Room temperature
Further information can be found in chapter
"Terminology" in the Appendix.
You can make the following settings only on the cas-
cade control unit.
Setting the standard room temperature for the selected heating circuit
Factory setting: 20 °C
Setting range: 3 to 37 °C
Tap the following buttons:
1. "Menu"
2. "Heating"
Setting reduced room temperature
Factory setting: 18 °C
Setting range: 3 to 37 °C
Tap the following buttons:
1. "Menu"
2. "Heating"
3. "Heating circuit 1", "Heating circuit 2" or "Heat-
ing circuit 3" as the required heating circuit
Operating program
Further information can be found in chapter
"Terminology" in the Appendix.
Setting the operating program
Cascade control unit
Tap the following buttons:
1. "Menu"
2. "Heating"
3. "Heating circuit 1", "Heating circuit 2" or "Heat-
ing circuit 3" as the required heating circuit
4. "Operating program"
5. Select "Operating program", e.g. "Heating and
DHW"
28
3. "Heating circuit 1", "Heating circuit 2" or "Heat-
ing circuit 3" as the required heating circuit
4. " Room temp target"
5. / for the required value
6. Press OK to confirm
4. "Reduced room temp target"
5. / for the required value
6. Press OK to confirm
Central heating runs at this temperature:
Between the time phases for central heating with
■
standard temperature
■ In the holiday program
6. Press OK to confirm
Lag boiler control unit
Tap the following buttons:
1. "Menu"
2. "Operating program lag boiler"
3. Select "Operating program", e.g. "Heating"
4. Press OK to confirm