Control
Cooling:
Heating:
Open
Open
Open
"
Open
Closed
Closed
Closed
Closed
Closed
Open
Closed
Open
Closed
Closed
Open
Open
Open
Closed
Closed
Open
Closed
Open
Open
Open
Closed
Open
Open
Open
GB - 4
LOW
HIGH
2V
6V
10V
2V
4V
6V
6V
10V
2V
3V
4V
9V
10V
5V
6V
4V
6V
3V
6V
9V
Inte
This is used in all installations where the control is wall-mounted.
electronic board screenprint.
This is used on all installations with unitmounted control. It is positioned
X3
Internal sensor
Possible causes:
This happens when:
changeover button pressed and at the same time pressing the
speed selection button three times within 1 second. In this way it is
Motorized cold-water valve.
X3
are indicated: