Changing The Set Value Of Residual Oxygen; Setting The Minimum System Temperature - Viessmann VITOLIGNO 300-H Operating Instructions For The System User
Heating system with ecotronic weather-compensated, digital boiler and heating circuit control unit
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Further adjustments
Changing boiler water temperature
4. |/~ for "Boiler temperature".
5. d
to confirm.
Changing the set value of residual oxygen
Only change this setting after consulting
a heating contractor. Otherwise, have a
heating contractor reset the set value.
In the delivered condition, the minimum
set value is 8 %.
Press the following keys:
1. å
for the "Extended menu".
2. |/~ for "Boiler".
Setting the minimum system temperature
Select a value according to the minimum
required temperature for the heating sys-
tem. When the temperature falls below
this value, the boiler or the additional
heat generator starts.
Press the following keys:
1. å
for the "Extended menu".
2. |/~ for "Boiler".
48
(cont.)
6. |/~ for the required temperature.
7. d
to confirm.
3. d
to confirm.
4. |/~ for "Flue gas residual O2".
5. d
to confirm.
6. |/~ for the required value.
7. d
to confirm.
3. d
to confirm.
4. |/~ for "Min set system temp".
5. d
to confirm.
6. |/~ for the required temperature.
7. d
to confirm.
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