Changing The Boiler Water Temperature; Changing The Set Value Of Residual Oxygen Content; Setting The Minimum System Temperature - Viessmann VITOLIGNO 300-C Operating Instructions Manual

Setting the temperature unit (°C/°F)
2. / for "Settings"
| ~
3. to confirm.
d
4. / for "Temperature unit"
| ~
5. to confirm.
d

Changing the boiler water temperature

In the delivered condition, the boiler water temperature
is set to 85 °C. The temperature of the boiler water is
regulated to the set value.
Press the following keys in the standard menu:
1. for the "Extended menu"
å
2. / for "Boiler"
| ~
3. to confirm.
d

Changing the set value of residual oxygen content

Only change this setting in consultation with a heating
contractor or let a heating contractor change it.
In the delivered condition, the min. set value is 8 %.
Press the following keys in the standard menu:
1. for the "Extended menu"
å
2. / for "Boiler"
| ~
3. to confirm.
d

Setting the minimum system temperature

Select a value according to the minimum temperature
you require for the heating system. When the tempera-
ture falls below this value, the boiler or the additional
heat generator starts.
1. for the "Extended menu"
å
2. / for "Boiler"
| ~
3. to confirm.
d
(cont.)
6. / for the required unit.
| ~
7. to confirm.
d
8. until the default display is shown.
ä
4. / for "Boiler water temp"
| ~
5. to confirm.
d
6. / for the required temperature.
| ~
7. to confirm.
d
8. until the default display is shown.
ä
4. / for "Flue gas residual O2"
| ~
5. to confirm.
d
6. / for the required value.
| ~
7. to confirm.
d
8. until the default display is shown.
ä
4. / for "Min set system temp"
| ~
5. to confirm.
d
6. / for the required temperature.
| ~
7. to confirm.
d
8. until the default display is shown.
ä
Further adjustments
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