Operation Manual
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• Set the end date until which you want the holiday func-
tion to be set.
• Conrm the setting with the OK button.
• Set the temperature and press OK. The display will ash
to conrm.
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.
• Conrm the setting with the OK button.
• Select the weekday with the (+) and (-) buttons.
• Conrm the setting with the OK button.
• Select the time with the (+) and (-) buttons.
• Conrm 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 hea-