Vaillant 0010023755, Operating Instructions Manual

Page: 34 / 117

5 Start-up and operation
32
Operating instructions electronicVED exclusive 0020288446_00
5.2 Control elements and display
eco MEMO + –
°C
max. 42 °C
1
2
3
4
1 Information
/menu item
2 Selected water
temperature,
available menu
items, selection
options
3 Current assign-
ment of the se-
lection buttons
4 Selection but-
tons
5.3 Button functions
Button as-
signment Function
+ and
− –
Setting the domestic hot
water temperature
–
Changing the set value
▲
and
▼ –
Scrolling in the menu
+ and
−
at the
same time for
longer than
three seconds.
–
Activating and deactivat-
ing the button lock
+ and
−
briefly
at the same
time
–
Temporarily activating the
comfort temperature
MEMO and
eco at the
same time
–
Calling up the menu
MEMO
–
Calling up saved temper-
ature values
eco
–
Activating/deactivating the
eco function
Reset
–
Resetting the consump-
tion values
← –
Going one selection level
higher
OK
–
Going one selection level
lower
–
Confirming the setting
Saving
–
Saving desired temperat-
ure
The current function of the buttons is
shown in the display.
You must always confirm a change to a
value. Only then is the new setting saved.
You can use
←
to cancel a process at any
time.
The appendix contains an overview of the
end user level menus.
End user level menu overview (
→
Page 35)
5.4 Operating the product
When you open a domestic hot water
draw-off point, the product automatically
switches on and heats up the potable
water.
In accordance with the applicable stand-
ards, the maximum permissible outlet tem-
perature for electric instantaneous water
heaters is 55 °C. The maximum outlet tem-
perature for the product has been restric-
ted to 55 °C.
The product regulates the temperature but
does not regulate the volume of water that
is drawn.
The domestic hot water temperature de-
pends on:
–
Water inlet temperature
–
Water outlet volume
–
Performance category of the product
eco MEMO + –
°C
max. 42 °C
During operation, the display shows the
selected water temperature in the middle
line, and the maximum water temperature
in the top line. You can use
+ and
−
to set
any desired temperature between 20 °C
and 55 °C.
▶
If the product does not reach the set
water temperature at low temperatures