Operation; Operating Concept; Basic Display; Adjustment And Display Levels - Vaillant ecoFIT sustain 835 Operating Instructions Manual

4 Operation

who should, on receipt, write the Notifica-
tion Number on the Benchmark Checklist.
This product should be serviced regularly
to optimise its safety, efficiency and per-
formance. The service engineer should
complete the relevant Service Record on
the Benchmark Checklist after each ser-
vice.
The Benchmark Checklist will be required
in the event of any warranty.
4 Operation

4.1 Operating concept

Op- Function
erator
control
element
– Setting the hot water temperat-
ure
– Cancelling the activation of an
operating mode
– Cancelling a change to a set
value
– Going one selection level
higher
– Setting the heating flow tem-
perature
– Reading the system pressure
– Activating the comfort mode
– Activating the operating mode
– Confirm setting
– Going one selection level lower
– Calling up the menu
+
at the
same
time
– Reducing or increasing the set
or
value
– Scrolling through menu entries
The current function of the
tons is shown in the display.
Adjustable values are always displayed as
flashing.
You must always confirm a change to a
value. Only then is the new setting saved.
10
You can press
any time.

4.2 Basic display

The basic display shows the current condi-
tion of the product. If you press a selection
button, the activated function is displayed
in the display.
The functions that are available depend
on whether a controller is connected to the
product.
You can switch back to the basic display
by:
– Pressing
– Not pressing any button for longer than
15 minutes.
If there is an error message present, the
basic displays switches to the error mes-
sage.

4.3 Adjustment and display levels

The product has two adjustment and
display levels.
The end user level contains information
and setting options that you require as the
end user.
The installer level is reserved for the com-
petent person. It is protected by a code.
Only competent persons may change any
settings in the installer level.
and but-
Operating instructions ecoFIT sustain 0020230530_01
to cancel a procedure at
50
to exit the selection levels