4 Operation
12
Operating instructions HOME 0020224354_00
4.6.1 Switching the warm start
function on and off
Applicability:
Combination unit, Available warm
start function for hot water
▶
Hold the
buttons down simultan-
eously for more than 3 seconds.
◁
If
is shown in the display, the
warm start function is deactivated.
◁
If
is not shown in the display,
the warm start function is activated.
Note
The preheating function is made
available by a suitably special-
ised installer.
4.7 Setting the heating flow
temperature
Applicability:
Combination unit
Conditions
: Temperature controlled by the boiler,
with heating mode activated
▶
Set the heating flow temperature on
the boiler (
→
Page 12).
Note
The competent person may
have adjusted the maximum
possible temperature.
Applicability:
Controller
Conditions
: Temperature controlled by the con-
troller, with heating mode activated
▶
Set the maximum heating flow tem-
perature on the boiler (
→
Page 12).
▶
Set the room temperature on the
controller.
◁
The actual heating flow temper-
ature is set automatically by the
controller.
Applicability:
External sensor
Conditions
: Outside temperature sensor connec-
ted to the boiler, with heating mode activated
▶
When you press the
,
or
but-
ton.
◁
The display shows the heating
flow temperature calculated by the
boiler.
◁
The actual heating flow temper-
ature is set automatically by the
boiler.
4.8 Product settings
Note
The sequence in which the avail-
able settings are shown depends
on the operating mode selected.
If the
Domestic hot water + Heat-
ing
operating mode is selected,
the hot water temperature must be
confirmed in order to set the flow
temperature of the heating.
1. Press the
or
button to set the tem-
perature.
2. Press the
button to confirm.
4.9 Setting the timer
Applicability:
Timer, Great Britain
1
5
6
2
3
4
1. Turn the minute hand
(4)
clockwise
until the arrow
(2)
points to the current
time on the 24-hour dial
(3)
.