Function; Operating Concept - Vaillant ecoTEC sustain 24 Operating Instructions Manual

4 Function

4 Function

4.1 Operating concept

The display switches on when you switch
on the product or press a button. You can
now configure settings by pressing the
buttons again.
When you switch the product off using the
on/off button, the display goes out (the
frost protection function is active for as
long as power is supplied).
Button Meaning
– Setting the hot water temperat-
ure
– Cancelling the change to a set
value or activating an operating
mode
– Calling up a higher selection
level in the menu
– Setting the heating flow tem-
perature, filling pressure of the
heating system or activating the
heating mode
– Confirming a set value or activ-
ating an operating mode
– Calling up a lower selection
level in the menu
– Read the system pressure
(press twice)
– Calling up the additional func-
+
tions
– Navigating between individual
or
menu items
– Increasing or decreasing the
chosen set value
– On/off button (press and hold
the button for < 3 s)
– Reset button (press and hold
the button for > 3 s)
Both selection buttons have a soft key
function, i.e. their function can change.
If, for example, you press the left-hand
selection button in the basic display,
the current function switches from
mestic hot water temperature) to
Adjustable values are always displayed as
flashing.
10
You must always confirm a change to a
value. Only then is the new setting saved.
You can press
any time. If you do not press any buttons
for longer 15 minutes, the display returns
to the basic display.
4.1.1 Basic display
The basic display shows the current
product status.
To return to the basic display, press the
button. If you do not press any buttons
within three minutes, the display becomes
dark and automatically switches back to
the basic display.
If an error message appears, the error
code will be shown on the basic display.
The available functions vary depending on
whether:
– A room thermostat is connected to the
product or not
– A domestic hot water cylinder with tem-
perature sensor is connected to the
product or not
4.1.2 Operating levels
The product has two operating levels:
– The operator level shows the most im-
portant information and offers set-up
options which do not require any special
prior knowledge.
– Specialised knowledge is required in or-
der to use the installer level (access for
competent persons). This is therefore
protected by an access code.
(Do-
(Back).
Operating instructions ecoTEC sustain 0020253095_01
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