ABB i-bus KNX Product Manual page 27

4 C ommissioning
3 B
4.1 A ctuators for heating and cooling control
1 3 B
There are several options available for actuating the heating and cooling devices. For
more information, see the current ABB i-bus® product overview, chapter 9 "Heating
and cooling".
4.2 C ontrol value display
1 4 B
E D C B
The current control value is displayed when the button (top right) is pressed for
longer than 2 seconds.
LED
no LED
LED A (Auto)
LED B (level 3) 26 - 50%
LED C (level 2) 51 - 75%
LED D (level 1) 76 - 100%
LED E indicates whether heating (red) or cooling (blue) is currently being carried out.
A
Control
value
0 %
1 - 25%
27