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Operation
8 Operation
After pairing and mounting have been
performed, simple operations are
available directly on the device:
• Temperature: Press the left (D) or
right (F) push-button to manually
change the temperature. In auto-
matic mode, the manually set tem-
perature will remain the same until
the next point at which the profile
changes. Afterwards, the defined
heating profile will be activated
again. During manual operation,
the temperature remains activated
until the next manual change.
• Boost function: Press the boost
button (E) briefly to activate the
boost function for heating up the
radiator quickly and briefly by ope-
ning the valve. There will be a ple-
asant room temperature right away
because of the radiated heat.
The boost function can only be
activated if the wall thermostat is
used in connection with a radiator
thermostat, floor heating actuator
or a switch actuator.
9 Replacing batteries
If the symbol for empty batteries ( )
appears in the display or in the app,
please replace the used batteries by
two new LR6/mignon/AA batteries.
You must observe the correct battery
polarity.
To replace the batteries of the device,
please proceed as follows:
• Once mounted, the electronic unit
(A) can easily be pulled out of the
mounting plate. Take hold of the
sides of the electronic unit and pull
it from the mounting plate.
• Turn the electronic unit over to re-
move or insert the batteries.
• Insert two new 1.5 V LR6/mignon/
AA batteries into the battery com-
partment, making sure that you
insert them the right way round.
Figure 16
• Place the electronic unit back into
the mounting plate
• Please pay attention to the flashing
signals of the device LED while in-
serting the batteries
codes and flashing sequences" on
page
37).
Once the batteries have been inserted,
the device will perform a self-test (ap-
prox. 2 seconds). Afterwards, initialisa-
tion is carried out. The test display will
indicate that initialisation is complete:
orange and green lighting.
(see
figure).
(see „10.4 Error
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