If the wrong union nut (1) is fitted, the union nut (1)
must be removed as described below:
1. Use a flat object, e.g. a screwdriver, to press
lightly on the rim of the device.
2. Pull the union nut (1) off.
7.
Navigating in the Menu
Press the Menu button (10 a), and keep it
pressed, to open the menu.
Turn the Setting wheel (5) to select the function re-
quired.
Press the OK button(10 b) to activate the function.
You can use the Setting wheel (5) to change the
settings.
Press the OK button (10 b) to confirm your input.
Following 30 seconds without any input, the dis-
play switches back to the main screen.
DISPLAY Explanation
Timer programme
Current valve position
Reset the default factory settings
Adapt the temperature to local char-
acteristics or perception of temper-
ature
Open Window function
Switch between summertime/winter-
time
Set the date and time
29
Gi