Viessmann vitocal 300-g Operating Instructions Manual page 37

Switching times for the heating water buffer cylinder
For the heating water buffer cylinder, setting the switching times effects a changeover
between the operating modes "OFF", "REDUCED", "STANDARD", and "FIXED
VALUE"
■ At the factory, "STANDARD" is set for
every day from 0:00 to 24:00 h, i.e. all
rooms are heated all day to the stand-
ard room temperature.
■ You can set switching times for every
day or part of the week individually:
– The same for every day: Monday to
Sunday
– For individual parts of the week:
Monday to Friday, Saturday to Sun-
day, Monday to Saturday
– For every day individually: Monday,
Tuesday, etc.
Switch t buffer cyl.
0 3 6 9 12 15 18 21 24
20:00-20:14
MONDAY
TUESDAY
WEDNESDAY
THURSDAY
FRIDAY
SATURDAY
SUNDAY
STANDARD
>>
DAY VALUE SET>>
The operating mode for the selected
period (15 min block, top left) is dis-
played by bar height and number (1, 2, 3
or 4).
■ In "REDUCED" mode, a smaller vol-
ume of heating water is available than
in "STANDARD" mode.
■ In "STANDARD" mode, the heating
water buffer cylinder is heated to the
flow temperature selected for the heat-
ing circuit.
3
3
3
3
3
3
3
2: REDUCED
1: OFF
OK
■ In "FIXED VALUE" mode, the heating
water buffer cylinder is heated to a
fixed default temperature (50 °C in the
delivered condition). You can utilise
this operating mode, for example to
heat up the heating water buffer cylin-
der with economy power.
Note
The heating circuit flow temperature and
the temperature for "FIXED VALUE" are
set by your heating contractor.
Further adjustments
4: FIXED VALUE
3: STANDARD
37