Vaillant VRT 350f Operating Instructions Manual page 30

5 Operating and display functions
function, you can offset the temperature difference in the
controller display by setting a correction value of +1 K (1 K
corresponds to 1 °C). K (Kelvin) is a unit for the temperat-
ure difference. Inputting a correction value affects the room
temperature compensator.
5.2.10 Changing heating circuit naming
Menu → Basic settings → Change heating circuit naming
– You can now modify the factory-specified heating circuit
names as you wish. The name is limited to 10 characters.
5.2.11 Resetting to factory setting
You can reset the settings for the Time programmes or for
Everything to the factory setting.
Menu → Basic settings → Factory reset → Time
programmes
– With Timer programs, you reset all the settings you
have made in the Timer programs function to the de-
fault setting. All other settings that include times, such as
Date/Time, are not affected.
While the controller is resetting the timer program settings
to the default settings, In process is shown on the display.
The basic display is then displayed.
30
Caution.
Risk of a malfunction.
The Everything function restores all
settings to the factory settings, including
those set by the skilled tradesman. It may
be the case that it is no longer possible to
operate the heating installation after this.
▶ Arrange for the skilled tradesman to
reset all settings to factory settings.
Menu → Basic settings → Factory reset → Everything
– While the controller is resetting the settings to the fact-
ory settings, in process is shown on the display. Then the
installation assistant appears in the display, which only
the skilled tradesman may operate.
5.2.12 Installer level
The Installer level is reserved for the skilled tradesman and
is therefore protected by an access code. At this operating
level, the skilled tradesman can make the necessary set-
tings.
Operating instructions VRT 350f 0020131979_00