Product description 3
0020224356_00 HOME Operating instructions
9
3.6 Description of the display
1
2
3
1
Operating in-
formation
2
Active operating
mode, selecting
and confirming
the operating
mode
3
Display showing
the current heat-
ing flow temper-
ature, the filling
pressure in the
heating install-
ation, the oper-
ating mode or a
fault code
Symbol
Meaning
Burner operating correctly
–
Burner on
Heating installation filling
pressure
–
Permanently on: Filling
pressure in the permitted
range.
–
Flashing display: Filling
pressure is outside of the
permissible range or the
purging function has been
activated.
DHW mode
–
Permanently on: Hot wa-
ter activated
–
Flashing: Burner on when
the domestic hot water
cylinder is in reheating
mode
Hot water saving mode
–
Hot water temperature <
50 °C
–
Normal operating temper-
ature
Symbol
Meaning
Heating mode
–
Permanently on: Heating
mode activated
–
Flashing: Burner on in
heating mode
Display flashing:
–
Switching on the product
–
Fault
Setting confirmed
/
Fault in the product
–
Appears instead of the
basic display.
OFF
–
Appears when the
product goes into standby
mode.
3.7 Description of button
functions
Button
Meaning
–
Selecting the operating mode
–
Confirm the operating mode
–
Confirm setting
–
Increase the display contrast
or
–
Setting the hot water temperat-
ure
–
Setting the heating flow tem-
perature
–
Increase or decrease the selec-
ted setting
–
Increase the display contrast
–
Activate the product: On/off
(standby)
–
Reset the product
Adjustable values flash on the display.
You must confirm any change to a value.
Only then is the new setting saved.
If you do not press any buttons for five
seconds, the displays switches back to
the basic display.
If you do not press any buttons for one
minute, the display contrast decreases.