Viessmann vitocal 300-g Operating Instructions Manual page 32

Selecting DHW heating
Selecting constant DHW heating
The DHW circulation pump transports
hot water through a circuit between the
DHW cylinder and the draw-off points to
deliver DHW to the draw-off points as
quickly as possible.
You can select when and how (con-
stantly or cycling) the DHW circulation
pump should run ("DHWcirServ").
DHWcirServ
0 3 6 9 12 15 18 21 24
20:00-20:14
MONDAY
TUESDAY
WEDNESDAY
THURSDAY
FRIDAY
SATURDAY
SUNDAY
OFF
>>
DAY VALUE SET>>
The operating mode for the selected time
period (15 min block, top left) is dis-
played by bar height and number (1, 2, 3
or 4).
■ In operating mode "30/5 CYCLE", the
DHW circulation pump is started every
30 min for 5 min.
■ In operating mode "15/5 CYCLE", the
DHW circulation pump is started every
15 min for 5 min.
Press the following keys:
1. "Device settings"
2. "Programming"
3. "System definition"
32
(cont.)
■ "OFF" is set at the factory for every
day from 0:00 to 24:00 h.
■ 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.
1
1
1
1
1
1
1
2: 30/5 CYCLE
1: OFF
OK
4. y/x for "DHWcirServ"
5. ?
6. "DAY"
7. "VALUE"
8. >
9. "SET"
4: ON
3: 15/5 CYCLE
to open the "DHWcir-
Serv" menu
for the required day or
part of the week
for the required operat-
ing mode
for the time (time top
left / position of arrow
bottom) from which the
operating mode should
be changed.
for the required time
period (min. 15 min)