Selecting A Heating Curve - Viessmann OpenTherm VITOTROL 100 OT Operating Instructions For The System User

Changing the Heating Characteristics to Change the Room Temperature
Heating Characteristics
The living space is too cold during
the heating season
The living space is too hot during
the heating season
The living space is too cold during
Spring/Autumn and during the
heating season
The living space is too hot during
Spring/Autumn and during the
heating season
The living space is too cold during
Spring/Autumn
The living space is too hot during
Spring/Autumn, but warm enough
during the heating season
The living space is too cold in
reduced mode
The living space is too hot in
reduced mode
Setting a Heating Curve
Press the following keys:
1. Press INFO
2. Press MODE
3. Select "SETTINGS" with <--/-->
4. OK to confirm
5. Select "CONTROL" with <--/-->
6. OK to confirm
7. Use <--/--> to select "OT CONTROL"
8. Use <--/--> to select the required setting:
"LOW END" for heating circuit without mixer
"LOW END 2" for heating circuit with mixer
Measure
Set the "END POINT" to a higher
value (e.g. 80˚C)
Set the "END POINT" to a lower
value (e.g. 70˚C)
Set the "END POINT" and "LOW
END" to a higher value (low end e.g.
30˚C; end point e.g. 80˚C)
Set the "END POINT" and "LOW
END" to a lower value (low end e.g.
20˚C; end point e.g. 70˚C)
Set the "LOW END" to a higher value
(e.g. 30˚C)
Set the "LOW END" to a lower value
(e.g. 20˚C)
Set the "SHIFT" to a lower value
(e.g. 20˚C)
Set the "SHIFT" to a higher value
(e.g. 30˚C)
"END POINT" for heating circuit without mixer
"END POINT 2" for heating circuit with mixer
"SHIFT" for heating circuit without mixer
"SHIFT 2" for heating circuit with mixer
9. OK to confirm
10. Use +/- or rotary selector to change the
setting
11. OK to confirm
12. ESC to exit the settings
Central Heating 11