Viessmann VITOLIGNO 300-S Operating Instructions Manual page 6

Index
Index
7. DHW heating
8. Further adjustments
9. Information call up
10. Prolonged heating system
shutdown
11. What to do if...
12. Maintenance
6
Changing the "Holiday program" ........................................................ 33
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Terminating the "Holiday program" ..................................................... 33
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DHW temperature .................................................................................. 34
Required settings ................................................................................ 34
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Setting the DHW temperature ............................................................ 34
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Operating program ................................................................................. 34
Setting the operating program for DHW heating ................................ 34
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Time program ........................................................................................ 34
Setting the time program for DHW heating ......................................... 34
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Setting time phases ............................................................................ 35
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Deleting a time phase ......................................................................... 35
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Resetting time phases to the factory settings ..................................... 35
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Stopping DHW heating .......................................................................... 35
Setting the display contrast .................................................................... 37
Setting the brightness of the display ...................................................... 37
Assigning names to heating circuits ...................................................... 37
Setting the time and date ....................................................................... 38
Language selection ................................................................................ 38
Setting the temperature unit (°C/°F) ...................................................... 38
Setting the boiler water temperature ...................................................... 38
Adjusting the set value for residual oxygen ........................................... 39
Setting the minimum system temperature ............................................. 39
Restoring factory settings ...................................................................... 39
Calling up information ............................................................................ 40
Calling up information in the standard menu ...................................... 40
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Calling up information in the extended menu ..................................... 40
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Calling up temperatures ......................................................................... 41
Calling up temperatures in the standard menu ................................... 41
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Calling up temperatures in the extended menu .................................. 41
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Calling up the heating water temperature in the standard menu ........ 41
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Calling up fault messages ...................................................................... 42
Displaying a fault message ................................................................. 42
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Calling up a fault message ................................................................. 42
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Calling up an acknowledged fault message ....................................... 42
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Prolonged heating system shutdown ..................................................... 43
Shutdown ............................................................................................... 43
Rooms are too cold ................................................................................ 44
Rooms are too hot ................................................................................. 44
There is no hot water ............................................................................. 45
The DHW is too hot ............................................................................... 45
"Fault" is shown in the display ............................................................... 45
"Warning" is shown on the display ......................................................... 45
is displayed ...................................................................................... 45
Heating system inspection and maintenance ........................................ 46
Boiler .................................................................................................. 46
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DHW cylinder (if installed) .................................................................. 46
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Safety valve (DHW cylinder) ............................................................... 46
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Thermally activated safety valve ........................................................ 46
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Drinking water filter (if installed) ......................................................... 46
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Replacing fuses .................................................................................. 46
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Overview of maintenance and cleaning work ........................................ 47
Information regarding maintenance and cleaning ................................. 48
Flue gas emissions test by flue gas inspector ....................................... 49
Cleaning the ash chamber ..................................................................... 49
Hopper cleaning (if required) ................................................................. 50