Viessmann VITOLIGNO 250-S Operating Instructions Manual page 4
Wood gasification boiler for logs up to 50 cm or 100 cm long
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Index
Index
1. Introductory information
2. About the controls
3. Start-up/shutdown
4. Central heating
5. DHW heating
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Symbols .................................................................................................
Terminology ...........................................................................................
Intended use ..........................................................................................
Appliance description .............................................................................
Commissioning ......................................................................................
Your system has been preset ................................................................
Energy saving tips .................................................................................
Programming unit .................................................................................. 11
Help menu .......................................................................................... 11
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Standard menu ...................................................................................... 11
Extended menu ...................................................................................... 12
How to use the controls ......................................................................... 13
Screensaver ....................................................................................... 13
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Boiler operating phases ......................................................................... 14
Heat up ............................................................................................... 14
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Load operation .................................................................................... 14
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Residual heat utilisation ...................................................................... 14
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Heating water buffer cylinder draw-off ................................................ 14
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Heat-up preparations ............................................................................. 14
Heat-up .................................................................................................. 15
Opening the hopper cover .................................................................. 15
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Charging with fuel and igniting ........................................................... 16
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Recharging fuel ...................................................................................... 17
Steps to take in the event of overheating .............................................. 18
High limit safety cut-out ...................................................................... 19
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Triggering the function ........................................................................ 19
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Cancelling the function ....................................................................... 19
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Room temperature ................................................................................. 20
Required settings ................................................................................ 20
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Selecting a heating circuit ................................................................... 20
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Setting the standard room temperature .............................................. 20
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Setting the reduced room temperature (night setback) ...................... 21
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Operating program ................................................................................. 21
Setting the operating program for central heating .............................. 21
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Time program ........................................................................................ 21
Setting the time program for central heating ...................................... 21
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Setting time phases ............................................................................ 22
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Deleting a time phase ......................................................................... 22
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Restoring the time phases to the factory settings ............................... 23
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Heating curve ......................................................................................... 23
Adjusting the heating curves .............................................................. 23
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Stopping the central heating .................................................................. 24
Comfort function "Party mode" .............................................................. 25
Selecting "Party mode" ....................................................................... 25
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Terminating "Party mode" ................................................................... 25
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Energy saving function "Economy mode" .............................................. 26
Selecting "Economy mode" ................................................................ 26
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Terminating "Economy mode" ............................................................. 26
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Energy saving function "Holiday program" ............................................ 26
Setting the "Holiday program" ............................................................ 26
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Changing the "Holiday program" ........................................................ 27
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Terminating the "Holiday program" ..................................................... 27
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DHW temperature .................................................................................. 28
Required settings ................................................................................ 28
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Setting the DHW temperature ............................................................ 28
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