Setting Valve Protection Function (Dec) - REV MAX! Mode D'emploi

• Confirm the setting with the OK button.
• Set the temperature and press OK. The display will
flash to confirm.
The set temperature will remain until the set end time. After-
wards the 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.

21. 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".
22. Open window function / airing (
During the airing of a room the Wall Thermostat will au-
tomatically reduce the room temperature to save heating
costs. Meanwhile, in this phase the display of the Wall
Thermostat and all taught-in devices will show the open
window symbol ( ).
, AEr)
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