Changing The Boiler Water Temperature; Setting The Minimum System Temperature; Restoring The Factory Settings - Viessmann VITOLIGNO 300-C Operating Instructions Manual

Further Adjustments

Changing the Boiler Water Temperature

Setting the Minimum System Temperature

Restoring the Factory Settings

Amongst others, the following settings and values will
be reset:
Set room temperature

Set DHW temperature

Time program for central heating

Time program for DHW heating

Time program for DHW circulation pump

Party mode is deleted

Economy mode is deleted

Holiday program is deleted

Heating curve slope and shift

38
In the factory set condition, the boiler water temperature
is set to 167°F (75°C). The temperature of the boiler
water is regulated to the set value.
Press the following keys in the standard menu:
1. for "Extended menu".
2. / for "Boiler"
| ~
3. d to confirm.
4. / for "Boiler water temp"
| ~
5. d to confirm.
6. / for the required temperature.
| ~
7. d to confirm.
8. until the default display is shown.
Note: This setting is only available if it has been enabled by
your heating contractor in the control unit.
Select a value according to the minimum temperature you
require for the heating system. When the temperature falls
below this value, the boiler or the additional heat generator
starts.
1. for "Extended menu".
2. / for "Boiler"
| ~
3. d to confirm.
4. / for "Min set system temp"
| ~
5. d to confirm.
6. / for the required temperature.
| ~
7. d to confirm.
8. until the default display is shown.
You can individually restore all modified values for
each heating circuit to their factory setting.
1. for "Extended menu".
2. / for "Settings"
| ~
3. d to confirm.
4. / for "Standard settings"
| ~
5. d to confirm.
6. / for selecting the required parameter group.
| ~
"General", "Heating" and "DHW" are available.
Select the required heating circuit under "Heating"
with and continue.
7. d to confirm.
8. / to change "No" to "Yes"
| ~
9. until the default display is shown.
Vitoligno 300-C Operating