INSSTE402NP0711
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down the two buttons for more than 10 sec-
onds, until the
icon displays (note that the
icon will also blink after 3 seconds);
3. Release the buttons. The thermostat is now
locked.
Deactivating the Security mode
1. Cut off the power supply of the thermostat at
the electrical panel;
2. Wait at least 20 seconds;
3. Restore the power supply of the thermostat at
the electrical panel;
4. The
icon is blinking on the thermostat dis-
play, meaning that it is possible to unlock the
thermostat;
5. While the
icon is blinking, simultaneously
press down the two buttons for more than 10
seconds, until the
icon disappears;
6. Release the buttons. The thermostat is now
unlocked.
NOTE:
If the thermostat isn’t unlocked within 5
minutes after the restoration of the power sup-
ply, the
icon will stop to blink and it will be
impossible to unlock the thermostat unless cut-
ting off the power supply again.
Heating power indicator
The level of power used to maintain the tempera-
ture at the set point is expressed as a percentage
indicated by the number of bars in the thermom-
eter displayed. The heating power used is dis-
played as follows:
0 bar = no heat
1 bar = 1% to 25%
2 bars = 25% to 50%
3 bars = 50% to 75%
4 bars = 75% to 100%
Power failure
In the case of a power failure, the adjustments are
automatically saved and recovered when power
is restored. Note that the Day/Night mode is re-
covered only if the Smart mode was previously
deactivated. Otherwise, the thermostat comes
back in Day mode and the
icon blinks, mean-
ing that the Smart mode was previously activated
and that it is now deactivated. Blinking will stop
as soon as a button is pressed down.
