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5.7 Settings
The following functions are available:
5.7.1. Keylock
The keylock is activated about 2 minutes after one of the touch keys has been actuated and the key
symbol appears on the display to indicate this. Touching any of the touch keys for approx. 10 seconds
activates them again.
Factory setting: OFF
5.7.2. Automatic change to daylight saving and standard time
The harmonised daylight saving time in the European Union takes effect as of the last Sunday in March,
i.e. as of 2.00 o’clock a.m. CET and lasts until to 3.00 o’clock a.m. on the last Sunday in October (CEST)
each year (Directive 2000/84/EC of the European Council and Parliament). This room temperature
sensor changes the time all automatically at these dates. The automatic change to daylight saving and
standard time can also be deactivated to enable the changing of the time at other dates or to meet the
time conditions in other regions.
Factory setting: ON
5.7.3. Valve and pump protection function
The valve and pump protection function helps prevent the valve seat and/or the pump from corroding up
during longer stop times. Whenever warm-water heating systems are to be controlled, it is recommen-
ded to activate the valve protection function. Once the valve and pump protection has been activated,
the sensor actuates the related valve or triggers, at each time, a circulating pump every Monday at 11.00
o’clock a.m. for a 5-minute time.
Factory setting: OFF
5.7.4. Learn function
The learn function serves for the autonomous attaining of the “heating” comfort temperature value at a
preset time. The antedated point at which the system switches from ECO over to comfort temperature
sets itself all autonomously. Depending on the calorific output and the prevailing outside temperature,
the heating time will vary. The learning function is available only if operating in heating mode.
Factory setting: OFF
5.7.5. Backlighting of the display
The length of time during which the display backlight is on, can be selected as follows:
1. Backlight during operation plus 10 seconds after the last actuation of any of the touch keys;
2. In addition to above 1.: Backlight during the “heating” comfort times and during operation in party
mode;
3. In addition to above 1.: Backlight during the “heating” and “cooling” comfort times and during ope-
ration in party mode;
4. In addition to above 1.: Backlight during the “cooling” comfort times and during operation in
party mode;
5. Permanent backlight.
Factory setting: 10 seconds
