Viessmann Vitotronic 200 Operating Instructions Manual page 27

Operating program
3. If applicable, use / to select the required heating/
cooling circuit
4. "Operating program"
Time program
Further information can be found in chapter
"Terminology" in the appendix.
Setting the time program for central heating/central cooling
Factory setting: one time phase from 00:00 to 24:00 h
for every day of the week with the "Standard" operat-
ing status.
Note
■ The factory setting is suitable for operation with
underfloor heating systems.
No time program can be set for a separate cooling
■
circuit.
1. Extended menu:
2. "Heating" or "Heating/cooling"
3. If applicable, use / to select the required heating/
cooling circuit
4. "Time program heating" or "Time proghtg/cool-
ing"
5. Set the required time phases and operating status.
To see how to set a time program: see page 21.
Note
■ Between the time phases, rooms are neither heated
nor cooled. Only the heat pump frost protection is
active ("Standby" operating status).
When making settings, please bear in mind that your
■
heating system requires some time to heat or cool
the rooms to the required temperature.
Heating system with heating water buffer cylinder
Further information can be found in chapter
"Terminology" in the appendix.
Setting the time program for the heating water buffer cylinder
Factory setting: one time phase from 00:00 to 24:00 h
for every day of the week with the "Standard" operat-
ing status
(cont.)
Central heating/central cooling
5. Select the required operating program, e.g. "Heat-
ing and DHW"
For further possible operating programs: see page 19.
Operating status for central heating/central cooling
"Standard"
■ Central heating/central cooling takes place with the
standard room temperature "Set room tempera-
ture": see page 26.
"Reduced"
■ Central heating takes place with the reduced room
temperature "Set red. room temp": see page 26.
Note
In the "Reduced" operating status, a heating/cooling
circuit is not cooled.
"Fixd value"
■ Central heating takes place with the max. permissi-
ble flow temperature of the respective heating circuit,
irrespective of the outside temperature.
Central cooling takes place with the min. flow tem-
■
perature of the respective heating circuit, irrespective
of the outside temperature.
■ Factory settings: your contractor may have adjusted
these values.
Max. heating flow temperature: 40 °C
–
– Min. cooling flow temperature: 10 °C
27