Manual and time-controlled room temperature regulation.
The current time can be stored as a switching time, quick programming.
Automatic summer/winter time switchover, deactivatable.
Timer with three memory areas. For each memory area comfort and lowering time for Mon-Fri and Sat+Sun.
Setting of a comfort, reduction, cooling and frost protection temperature.
Controller output: Pulse width modulation (PWM) or 2-point control.
Heating optimisation (the temperature is reached at the set time).
Adaptation to valves (normally open or normally closed).
Activation of cooling mode via the insert.
Supports internal and external temperature sensors.
Temperature drop detection.
Operation lock.
Valve protection function.
The display switches off after 2 minutes, permanent display of the current time is possible.
The combination of the top unit 5394xx with 540700 is only possible for I05 (index) or higher.
Technical data
Accuracy per month:
± 10 s
Power reserve:
approx. 4 h
Ambient temperature:
-5 °C to +45 °C
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