Vaillant VRT 350 Operating Instructions Manual page 11

If you do not operate the control during a period of more than
5 minutes, the basic display appears again.
4.2.1 Example: Operation in the basic display
From the basic display, you can change the Desired day
temperature directly for the current day by turning the rotary
knob.
Desired day temperature
Only today: 18°C
For permanent change
Press OK
In the display, a request appears asking if you want to
change the Desired day temperature for the current day or
on a permanent basis.
4.2.1.1 To change the Desired day temperature for
the current day only
▶
Turn the rotary knob to set the desired temperature.
◁
The display switches back to the basic display after
12 seconds. The set desired temperature applies only
until the end of the active time period of the current
day.
0020135485_02 Operating instructions
4.2.1.2 Changing the Desired day temperature
permanently
1. Turn the rotary knob to set the desired temperature.
2. Press the right-hand selection button, OK.
◁
The display switches to the basic display. The new
desired day temperature is applied permanently.
4.2.2 Operating example, changing the date
Auto
OK
Menu
1. If the display does not show the basic display, press
the left-hand selection button, Back, until the basic
display appears again.
2. Press the left-hand selection button, Menu.
◁
The control is now in selection level 1. The left-hand
selection button now has the function Back (to the
previous selection level), the right-hand selection
button has the function Select (to the next selection
level).
01.07.11
19,5
Desired temperature 20,0°C
15:34
°C
Mode
11