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Comfort and protection functions
5 Comfort and protection functions
5.1 Comfort functions
In order to increase the user comfort, the room thermostat in-
cludes functions for controlling the comfort temperature.
5.1.1 Smart Start/Smart Stop function
Only room thermostat Control:
The Smart Start/Smart Stop function (parameter 170) automati-
cally calculates the required line-up times, so that the set comfort
temperature is present at the start and end times of the comfort
programs.
No. Description Setting
110
Control direction switching output
Sets the control direction of connected actu-
ators:
• Normally closed (NC)
• Normally open (NO)
0 = NC
1 = NO
Standard: 0
161
Antifreeze temperature
Activates the antifreeze protection function
when the temperature falls below the set
temperature.
5 ... 10 °C
Standard: 5
170
Smart Start/Smart Stop function
(only Control)
Teaches the temperature behaviour of the
room.
0 = deactivated
1 = activated
Standard 1
190
Valve protection function
Cyclic opening of the valve in order to avoid
clogging.
0 ... 28 days
Standard: 14
191
Valve activation duration
Time for triggering actuators for performing
the valve protection function.
0 ... 10 minutes
Standard: 5 min