Preventing Malfunctions; Setting The Heat Curve; Display, Control Elements And Symbols - Vaillant sensoHOME VRT 380f Operating And Installation Instructions

2 Product description
rooms to the lower set-back temperature
(2) that is set.

2.7 Preventing malfunctions

▶
Do not cover the control with furniture,
curtains or other objects.
▶
If the control is installed in the living
room, open all of the thermostatic ra-
diator valves in this room fully.

2.8 Setting the heat curve

B
4
90
80
70
60
50
40
30
20
15 10 5
A Outside temper-
ature °C
The figure shows the possible heat curves
of 0.1 to 4.0 for a target room temperature
of 20 °C. If, for example, heat curve 0.4 is
selected, a flow temperature of 40 °C is
maintained at an outdoor temperature of -
15 °C.
B
70
60
50
40
30
22
15 10 5
20
C D
18
A Outdoor temper-
ature °C
B Target flow tem-
perature °C
If the heat curve 0.4 is selected and 21 °C
is specified for the target room temperat-
6
3.5 3 2.5 2 1.8
1.5
1.2
1.0
0.8
0.6
0.4
0.2
0.1
0 -5 -10 -15 -20
B Target flow tem-
perature °C
0.4
0 -5 -10 -15 -20
C Target room
temperature °C
D Axis a
Operating and installation instructions sensoHOME 0020298974_00
ure, the heat curve is then translated, as
shown in the figure. The heat curve is dis-
placed according to the value of the tar-
get room temperature along axis a which
is angled at 45°. At an outdoor temperat-
ure of -15 °C, the control system provides
a flow temperature of 45 °C.
2.9 Display, control elements and
symbols
A
2.9.1 Control elements
– Calling up the menu
– Back to the main menu
– Confirming a selection/change
– Saving set values
– One level back
– Cancelling input
– Navigating through the menu struc-
ture
– Reducing or increasing the set
value
– Navigating to individual num-
bers/letters
– Calling up help
– Calling up the time programme as-
sistant
– Switching on the display
A
– Switching off the display
The control element is located on the
upper side of the control.
Active control elements light up green.
Press once: You access the basic
display.