4 Operation
10
Operating instructions ecoTEC plus 0020239016_01
Op-
erator
control
element
Meaning
+
at the
same
time
Displaying the current product
status
or
–
Reducing or increasing the set
value
The selection buttons have a soft key func-
tion, 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
(hot
water temperature) to
Back
.
Adjustable values flash in the display.
You must always confirm a change to a
value. Only then is the new setting saved.
The display lights up when you switch the
product on or press a button.
If you do not press any button within one
minute, the display lighting goes out.
3.8 Basic display
50
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
to exit the selection levels
–
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.
3.9 Operating levels
The product has two operating levels.
–
The end user level contains information
and setting options that you require as
the end user.
–
The installer level is reserved for the
competent person. It is protected by
a code. Only competent persons may
change any settings in the installer
level.
3.10 Menu display
Menu
Live monitor
Information
Reset anti-cycl. time
Back
Select
1
4
3
2
1
Scroll bar
2
Current assign-
ment of the
and
buttons.
3
Selection level
list entries
4
Name of the se-
lection level
You can find an overview of the menu
structure in the appendix.
Operator level
–
overview (
→
Page 15)
4 Operation
4.1 Opening the isolator devices
1. Ask the competent person who in-
stalled the product to explain to you
where these isolator devices are loc-
ated and how to handle them.
2. Open the gas isolator cock fully.
3. Check that the heating installation flow
and return service valves are open, if
such service valves are installed.
