Setting Valve Protection Function (Dec); Open Window Function / Airing ( , Aer) - eQ-3 MAX! Wandthermostat+ Bedienungsanleitung

The set temperature will remain until the set end time.
Afterwards the MAX! wall thermostat will switch to Auto
mode. Radio control commands like those from a window
contact or the weekly de-scaling run will still be performed.

17.7 Setting valve protection function (dEC)

To prevent the build-up of lime scale in the valve a so called
"de-scaling run" will be performed weekly for the radiator
thermostats. You can change the set time for this function
(factory setting: Saturday, 12:00 p.m.) as follows:
• Press the Menu button for more than 3 seconds.
• Select the "dEC" menu item with the (+) and (-) buttons.
• Confirm the setting with the OK button.
• Select the weekday with the (+) and (-) buttons.
• Confirm the setting with the OK button.
• Select the time with the (+) and (-) buttons.
• Confirm the setting with the OK button.
While the "de-scaling run" is performed the display will
show "CAL".
17.8 Open window function / airing ( , AEr)
During the airing of a room the MAX! Wall Thermostat +
will automatically reduce the room temperature to save
heating costs. Meanwhile, in this phase the display of the
MAX! Wall Thermostat + and all taught-in devices will show
the open window symbol ( ).
Combined with a MAX! Window Sensor the opening and
closing of a window will be detected time-accurate. The
temperature will only be reduced to the factory setting of
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