Activating Frost Protection Operation (Radiator Switched Off); Routine Descaling - eQ-3 MAX Bedienungsanleitung

16. Activating frost protection operation
If the room does not need to be heated, the valve can be
closed. The valve is only opened if there is a risk of frost.
The calcification protection function continues to run. To
activate this, proceed as follows:
• In manual mode (Manu), turn the handwheel anticlock-
wise until "OFF" is displayed.
• To end, exit manual mode (Manu) or turn the handwheel
clockwise.
The electronic MA X! Radiator Thermostat has the
advantage over mechanical thermostat dials in that
it can protect against the threat of valve calcification
automatically. To do this, it carries out fully automatic rou-
tine descaling once a week. During this brief period, when
the valve opens and closes once, operation is not possible.
Routine descaling is factory-set to run on Saturdays
at 11 in the morning. "CAL" is displayed during routine
descaling; you can set the day of the week and the time of
day via the MAX! Software.
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(radiator switched off)

17. Routine descaling