Operating instructions

a) Setting the decalcification time (‘

CALCCALC

CALC’)

The valve is completely opened and closed once a week. This prevents deposits from blocking

the valve. You can use the special ‘

CALCCALC

CALC’ function to change the time at which the

decalcification cycle is carried out.

• Press the ‘PROG’ button until ‘

SondSond

Sond’ is displayed. Then release the ‘PROG’ button.

• Use the scroller to select the special ‘

CALCCALC

CALC’ function.

• Confirm this by pressing the ‘PROG’ button.

MO DI MI DO FR SA SO

Figure 29

• Use the scroller to select the day of the week (arrow up symbol ‘a’ beneath the respective

day of the week).

• Confirm the day of the week you have selected by pressing the ‘PROG’ button. The time at

which the decalcification cycle will be carried out now appears in the first line of the LCD.

MO DI MI DO FR SA SO

Figure 30

• Use the scroller to change the time.

• Confirm the decalcification time that you have set by pressing the ‘PROG’ button. The

heating control now returns to the normal operating mode.