Operation Operating Principles; Touchscreen; Status Display With Lightguide; Screen Displays - Viessmann VITOCAL 150-A Operating Instructions For The System User

Operation
Operating principles

Touchscreen

You can adjust any setting on your system centrally at
the programming unit.

Status display with Lightguide

Dependent upon the heat generator, during operation
at the lower or upper edge of the programming unit, a
Lightguide is displayed.
Meaning of the display:
■ Lightguide pulsates slowly:
Display is in standby mode.
Lightguide is illuminated constantly:
■
You are operating the control unit. Every input opera-
tion is confirmed by a brief flashing of the Lightguide.
■ Lightguide flashes quickly:
There is a fault in the system.

Screen displays

Standby display

If the controls have not been operated for some time,
the display initially switches to the standby display.

Default displays

The default displays provide access to the most impor-
tant settings and checks.
You can choose between the following default displays
using :
Indoor environment
■
DHW
■

Home screen

After switching on the control unit, the home screen is
shown.
In the delivered condition, the "Indoor environment"
default display is shown as the home screen. You can
specify a different default display for the home screen:
See page 37.
Call up the home screen as follows:
■ Standby display active:
Tap anywhere on the screen.
From the "Main menu":
■
Tap .
16
The programming unit is equipped with a touch dis-
play. To input settings and check information, tap the
on-screen buttons.
Note
You can switch off the Lightguide. See page 35.
After a few minutes, the illumination is switched off.
Energy cockpit
■
Favourites
■
■ System overview
For further information on the default displays: See
page 22 onwards.
Note
You can prevent operation of the home screen: See
page 34.
If you do so, you will not be able to make adjustments
on either the home screen or the main menu.
"Panel locked" is displayed.