Setting The Minimum System Temperature; Restoring Factory Settings - Viessmann VITOLIGNO 300-C Operating Instructions For The System User

Setting the minimum system temperature

Note
Only available, if this value was enabled in the code.
Notify your heating contractor if required.
Set a value according to the minimum required tem-
perature for the heating system. When the temperature
falls below this value, the boiler or the additional heat
generator starts.
Press the following keys:
1. for the "Extended menu".
å

Restoring factory settings

You can individually restore all modified values for
each heating circuit to their factory setting.
Press the following keys:
1. for the "Extended menu".
å
2. / for "Settings".
| ~
3. to confirm.
d
4. / for "Standard setting".
| ~
5. to confirm.
d
6. / for selecting the required parameter group.
| ~
The parameter groups available are "Gen-
eral", "Heating" or "DHW".
Select the required heating circuit under
"Heating" with
7. to confirm.
d
8. / for "Yes".
| ~
9. to confirm.
d
The following settings and values of the selected
parameter group are 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 level
/ and continue.
Ù Ú
2. / for "Boiler".
| ~
3. to confirm.
d
4. / for "Min set system temp".
| ~
5. to confirm.
d
6. / for the required temperature.
| ~
7. to confirm.
d
Further adjustments
37