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Viessmann VITOCAL 151-A - Adjusting the Room Temperature for Longer Periods at Home; Switching On Holidays at Home; Switching Off Holidays at Home; Saving Energy During Long Periods of Absence

Viessmann VITOCAL 151-A
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28
If you are continuously at home for one or more days
but do not want to change the time program, select the
function "Holidays at home" , e.g. on public holi-
days or when the children are on school holidays.
The function "Holidays at home" has the following
effect:
The room temperature during the periods between
the set time phases is raised to the set value of the
first time phase of the day: From reduced room tem-
perature to standard room temperature or comfort
room temperature
If no time phase is active before 00:00, your rooms
are heated to the reduced room temperature until the
next time phase becomes active.
DHW heating is active.
The "Holidays at home" function starts and ends
according to the set times for the start date and end
date.
Note
As long as the "Holidays at home" function is
switched on, the default display shows "Holidays at
home" and the set start date and end date.
If "Detached house" was selected by your contrac-
tor during commissioning, the function is adopted for
all heating/cooling circuits.
Example:
For Monday and Tuesday, 2 time phases are set
respectively.
Mo
u
0 2 4 6 8 10 12 14 16 18 20 22 24
Tu
2 4 6 8 10 12 14 16 18 20 22 24
Mo
0 2 4 6 8 10 12 14 16 18 20 22 24
Tu
2 4 6 8 10 12 14 16 18 20 22 24
A B C C B
A B C
Fig. 10
Temperature level according to the set time pro-
gram
Temperature level if "Holidays at home" is
switched on.
A
Reduced room temperature
B
Standard room temperature
C
Comfort room temperature
Switching on "Holidays at home"
Tap the following buttons:
1.
2. "Holidays at home"
3. for the required heating/cooling circuit
4. for "Start" and "End"
5. to confirm
Switching off "Holidays at home"
Tap the following buttons:
1.
2. "Holidays at home"
3. for the required heating/cooling circuit
4.
Saving energy during long periods of absence
To save energy during long periods of absence, select
"Holiday program" .
Room heating/room cooling
Adjusting the room temperature for longer periods at home
6171827

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