Viessmann VITOLIGNO 300-C Operating Instructions Manual page 6

Table of Contents
Further Adjustments
Scanning
Troubleshooting
Maintenance
6
Settings the Display Contrast .....................................35
Setting the Display Brightness....................................35
Naming the Heating Circuits ......................................36
Setting the Time and Date .........................................37
Setting the Language ................................................37
Settings the Temperature Unit (°C to °F).....................37
Changing the Boiler Water Temperature ......................38
Setting the Minimum System Temperature ..................38
Restoring the Factory Settings ...................................38
Scanning Fault Messages ..........................................39
Scanning Information ................................................40
Shutting Down the Heating System for
an Extended Period ...................................................41
Shutdown ...............................................................41
Rooms are Too Cold .................................................42
Rooms are Too Hot ..................................................42
There is No Hot Water ..............................................43
The DHW is Too Hot ................................................43
"Fault" is Shown on the Display .................................43
"Solar Risk of Overheating" Appears on the Display ......43
Inspection/Cleaning/Maintenance ................................44
Replacing Fuses .......................................................44
Overview of Maintenance and Cleaning Work in the boiler ..45
Emptying the Ash Box ..............................................46
Terminology ............................................................47
Efficient and Clean Operation .....................................51
Dismantling .............................................................51
General Energy Saving Tips .......................................51
Vitoligno 300-C Operating
Page