Viessmann VITOLIGNO 250-S Operating Instructions Manual page 52

Keyword index
Keyword index
A
Activating
– Comfort function......................................................25
Actual temperature.....................................................50
B
Boiler
– Components..............................................................8
– Overheating of the boiler.........................................18
– Setting the boiler water temperature....................... 33
Brightness setting.......................................................31
C
Calling up
– Fault message.........................................................36
Call up
– Information.............................................................. 35
– Operating states......................................................35
– Temperatures.......................................................... 35
Central heating
– Factory setting...........................................................9
– Heating circuit selection.......................................... 20
– Selecting the operating program............................. 21
– Time phase setting.................................................. 21
– Time program setting.............................................. 21
Changing the room temperature................................ 20
Cleaning..................................................................... 43
– Ash chamber........................................................... 44
– Sight glass...............................................................46
– Tubular heat exchanger.......................................... 45
– Tubular heat exchanger ash pan............................ 46
Commissioning.............................................................9
Contrast setting.......................................................... 31
Control........................................................................11
Control unit
– Calling up temperatures.......................................... 36
Control unit start-up....................................................14
Cursor key.................................................................. 11
D
Date............................................................................32
Date/time
– Factory setting...........................................................9
Day mode...................................................................50
Day temperature (standard room temperature)......... 20
Device start-up........................................................... 14
DHW cylinder............................................................. 42
DHW heating
– Factory settings.........................................................9
– Operating program.................................................. 28
– Setting the temperature...........................................28
– Starting....................................................................28
– Time phases............................................................28
– Time program.......................................................... 28
DHW temperature setting...........................................28
Display
– Contrast setting....................................................... 31
– Language selection................................................. 32
– Setting the brightness............................................. 31
52
Display backlighting................................................... 31
Drinking water filter.............................................. 42, 50
E
Economy mode.......................................................... 26
– Selecting................................................................. 26
– Terminating..............................................................26
Energy saving.............................................................. 9
Energy saving function
– Economy mode....................................................... 26
Energy saving program
– Holiday program......................................................26
Extended menu
– Operation................................................................ 12
Extension kit...............................................................50
F
Factory settings............................................................9
Fault........................................................................... 41
Fault display
– Shown on display.................................................... 41
Fault message
– Acknowledging........................................................ 36
– Calling up (acknowledged)......................................37
– Call up..................................................................... 36
Filter........................................................................... 50
Fuel
– Charging..................................................................16
– Igniting.....................................................................16
– Logs........................................................................ 48
– Max. Log length.......................................................49
– Recharging..............................................................17
– Wood in small pieces.............................................. 49
Fuels
– Non-approved......................................................... 49
Further settings.......................................................... 32
H
Heating circuit............................................................ 50
Heating circuit designation......................................... 31
Heating circuit pump.................................................. 50
Heating circuit selection............................................. 20
Heating circuit with mixer........................................... 50
Heating curve
– Changing the level.................................................. 23
– Changing the slope................................................. 23
– Explanation............................................................. 24
Heating mode
– Reduced..................................................................50
– Standard..................................................................50
Heating system start-up............................................. 14
Heating times, changing.............................................22
Heating water buffer cylinder
– Temperature call up.................................................36
Heat-up...................................................................... 15
– Preparations............................................................14
Help menu.................................................................. 11
Help text..................................................................... 11