elv FHT8-Set Bedienungsanleitung Seite 63

a) Setting the decalcification time („CALC")
Once every week the valve is completely opened and
closed. This prevents blocking of the valve by deposits. The
time at which the decalcification cycle is performed can be
changed using the special function "CALC".
• Press the "PROG" key until "Sond" is displayed. Then re­
lease the "PROG" key again.
• Use the selection wheel to select the special function
"CALC".
• To confirm your selection, briefly press the "PROG" key.
• Use the selection wheel to select the weekday.
• Confirm the selected weekday by pressing the "PROG"
key. In the first line of the LC display the time when the
decalcification cycle will be performed is displayed.
• Use the selection wheel to change the displayed time.
• Confirm the set decalcification time by pressing the
"PROG" key. The heating control returns to the normal
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