Viessmann VITOLIGNO 300-P Operating Instructions Manual page 5

Index
Index
(cont.)
Modifying the boiler heating characteristics......................................................... 39
■ Changing the slope and level............................................................................ 39
■ For technically-minded system users................................................................ 40
Adjusting the display contrast............................................................................... 41
Adjusting the key tone.......................................................................................... 42
Restoring the standard settings............................................................................ 42
Scanning options
Scanning temperatures........................................................................................ 44
■ Boiler information.............................................................................................. 44
■ System circuit information (weather-compensated), heating circuit 1 and
heating circuit 2................................................................................................. 45
■ System circuit information (with constant boiler water temperature)................ 45
■ DHW information (subject to a DHW cylinder being installed).......................... 46
■ Solar information............................................................................................... 46
■ Resetting the system data................................................................................ 47
Scanning the fault display.................................................................................... 47
What to do if...
Rooms are too cold.............................................................................................. 49
Rooms are too hot................................................................................................ 50
There is no hot water............................................................................................ 50
The DHW is too hot.............................................................................................. 51
"Fault" is shown on the display............................................................................. 51
"Service" is displayed........................................................................................... 51
"Remote control" is shown on the display............................................................ 51
"Close ash door" is shown on the display............................................................ 52
"Cleaning during operation" is shown on the display........................................... 52
"Cleaning when stopped" is shown on the display............................................... 52
"Refill store" is shown on the display.................................................................... 52
"Grate cleaning" is shown on the display............................................................. 52
"Empty ash box" is shown on the display............................................................. 52
Ordering fuel....................................................................................................... 53
Maintenance
Emptying the ash box........................................................................................... 54
Cleaning............................................................................................................... 55
Inspection and maintenance................................................................................ 55
Energy saving tips............................................................................................. 57
Keyword index.................................................................................................... 58
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