Viessmann VITOLIGNO 250-S Operating Instructions Manual page 53

Keyword index
(cont.)
High limit safety cut-out..............................................19
Holiday program
– Changing.................................................................27
– Selecting................................................................. 26
– Setting..................................................................... 26
– Terminating..............................................................27
I
Information
– Calling up................................................................ 35
– Temperatures.......................................................... 36
Ingredients
– Limits.......................................................................48
Intended use................................................................ 7
K
Keys............................................................................11
L
Language selection.................................................... 32
Level, changing.......................................................... 23
Log length.................................................................. 49
M
Menu
– Extended menu....................................................... 12
– Help......................................................................... 11
– Standard menu........................................................11
Messages
– Call up..................................................................... 36
Mixer.......................................................................... 50
N
Names for heating circuits..........................................31
Night setback............................................................. 50
Night temperature (reduced room temperature)........ 21
Notification of completion............................................. 9
O
Open flue operation....................................................50
Operating program
– DHW heating...........................................................28
– Selecting for central heating....................................21
Operating states call up............................................. 35
P
Party mode
– Terminating..............................................................25
Party mode comfort function...................................... 25
Power failure................................................................ 9
Presetting..................................................................... 9
Pressure gauge..........................................................14
Pressure-jet oil/gas burner
– Extending................................................................ 39
– Retracting................................................................39
– Starting....................................................................39
– Stopping.................................................................. 39
Programming unit....................................................... 11
Pump
– Heating circuit......................................................... 50
R
Recharging.................................................................17
Reduced heating mode.............................................. 50
Reduced room temperature....................................... 50
Reduced room temperature (night temperature)........21
Reset..........................................................................33
Residual oxygen
– Adjusting the set value............................................ 33
Restarting...................................................................14
Restoring factory settings...........................................33
Room temperature
– Reduced..................................................................50
– Standard..................................................................50
S
Safety valve................................................................50
Safety valve (DHW cylinder)...................................... 42
Screensaver............................................................... 13
Setback mode............................................................ 50
Set temperature......................................................... 50
Settings
– DHW heating...........................................................28
– For central heating.................................................. 20
– Further settings....................................................... 31
Slope, changing......................................................... 23
Standard heating mode..........................................9, 50
Standard menu
– Instructions..............................................................13
– Operation.................................................................11
Standard room temperature......................................... 9
Standard room temperature (day temperature)......... 20
Standard settings....................................................... 33
Starting
– DHW heating...........................................................28
Summertime changeover............................................. 9
Switching times
– For central heating.................................................. 22
– Setting..................................................................... 22
System start-up.......................................................... 14
T
Temperature
– Actual temperature..................................................50
– Calling up................................................................ 35
– Changing.................................................................20
– DHW........................................................................28
– Set temperature...................................................... 50
Temperature unit........................................................ 32
Terminology..................................................................7
Time........................................................................... 32
Time/date
– Factory setting...........................................................9
Time phases
– Central heating........................................................21
– DHW heating...........................................................28
Time phases, standard settings
– DHW circulation pump............................................ 29
– DHW heating...........................................................29
Keyword index
53