Selecting Dhw Heating Only Once; Terminating Once-Only Dhw Heating - Viessmann VITOCAL 300-A Operating Instructions Manual

Selecting DHW heating
Selecting constant DHW heating
7. "VALUE" for the required operat-
ing mode
8. > for the time (time top
left / position of arrow
bottom) from which the
operating mode should
be changed

Selecting DHW heating only once

Once-only DHW heating can be activated without permanently changing the control
unit settings.
Note
The DHW cylinder will be heated to the
"Second set temperature" (see
page 33) if only one temperature sen-
sor is installed and this function is acti-
vated.
The DHW cylinder will be heated to the
selected DHW temperature "Set DHW
temp." (see page 28) if two temperature
sensors are installed.
Single reheating?
YES

Terminating once-only DHW heating

DHW heating is terminated automati-
cally when the set DHW temperature is
reached (see page 28).
32
(cont.)
9. ¦
10. Proceed as described in points 6 to
9 for the setting of further switching
times
11. "OK"
Press the following keys:
1. "DHW"
2. "YES"
3. "BACK" if you do not want to acti-
Back
for the required period
(min. 15 min)
to confirm and exit the
menu
to confirm; DHW will be
heated up once.
Symbol 8 appears on
the standard display (see
page 10)
or
vate once-only DHW heat-
ing