Viessmann VITOTROL 300 RF Operating Instructions Manual page 5

Index
Setting the operating program for DHW heating.................................................. 26
Setting the time program for DHW heating.......................................................... 27
■ Setting a time program for a day....................................................................... 28
■ Adopting the time program for further days...................................................... 28
■ Deleting a time phase....................................................................................... 29
■ One-off DHW heating outside the time program............................................... 29
■ Heating system with DHW circulation pump..................................................... 29
Stopping DHW heating......................................................................................... 31
Further adjustments
Setting the date and time..................................................................................... 32
■ Setting the date................................................................................................. 32
■ Setting the time................................................................................................. 32
Language selection.............................................................................................. 33
Setting the display brightness.............................................................................. 33
Restoring factory settings..................................................................................... 33
Scanning
Scanning information............................................................................................ 35
■ Scanning in conjunction with solar thermal systems......................................... 35
■ Scanning the field strength............................................................................... 35
■ Resetting data to zero....................................................................................... 36
Scanning the service messages........................................................................... 36
■ Calling up an acknowledged service message................................................. 37
Scanning fault messages..................................................................................... 37
What to do if...
Rooms are too cold.............................................................................................. 39
Rooms are too hot................................................................................................ 39
There is no hot water............................................................................................ 40
The DHW is too hot.............................................................................................. 40
"ã" flashes and "Fault" is displayed.................................................................... 40
"ë" flashes and "Service" is displayed................................................................ 40
"Screed drying" is displayed................................................................................. 41
"External hook-up" is displayed............................................................................ 41
"External program" is displayed........................................................................... 41
"Ext. set room temperature" is displayed............................................................. 41
" " and " " are displayed.................................................................................... 41
flashes............................................................................................................ 42
is displayed..................................................................................................... 42
Changing the batteries......................................................................................... 42
Servicing............................................................................................................. 45
Index
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