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-
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
0020323648_01 Operating and installation instructions
3.5
3
2.5
2
1.8
0
-5
-10
-15
-20
B
Target flow tem-
perature °C
0
-5
-10
-15
-20
C
Target room
temperature °C
D
Axis a
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
1.5
1.2
1.0
0.8
0.6
0.4
0.2
0.1
2.9.1 Control elements
A
– 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
0.4
– Switching on the display
– Switching off the display
A
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.
Press
twice: You access the menu.
7