Operation; Operating Concept; Basic Display; Menu Display - Vaillant VC 156/5-7 Operating Instructions Manual

4

Operation

4.1

Operating concept

Operator Function
control
element
–
Setting the hot water temperature
–
Cancelling the activation of an operating
mode
–
Cancelling a change to a set value
–
Going one selection level higher
–
Setting the heating flow temperature
–
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 value
or
–
Scrolling through menu entries
The current function of the
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. You can press
ure.
4.2

Basic display

50
The basic display shows the current condition of the product.
If you press a selection button, the activated function is dis-
played in the display.
The functions that are available depend on whether a con-
troller 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 message.
0020189874_03 ecoTEC exclusive Operating instructions
and buttons is shown in
to cancel a proced-
4.3

Menu display

4
Xxxx
Xxxxxxxxxxx
Xxxx Xxxxxxx
3
Xxxxxxxxxx
xxxxxx
2
1 Scroll bar
2 Current assignment of
the and buttons.
You can find an overview of the menu structure in the ap-
pendix.
Operator level – overview (→ Page 13)
4.4

Operating levels

The product has two operating levels.
The operating level for the operator shows information and
offers set-up options that do not require any special prior
knowledge.
The operating level for the competent person is protected by
a code.
Operator level – overview (→ Page 13)
Operation 4
1
Xxxxxxx
3 Selection level list
entries
4 Name of the selection
level
7