Bticino 3550 - The Local Probe

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Operation2
 The local probe
Each zone of your system has a probe which can adjust the tem-
perature locally, modifying the setting on the Control Unit.
In particular you can vary the temperature by ± 3°C, select antifreeze/
heat protection or switch the system off in the individual zone.
Knob
Knob
Key
Green LED
Fan-Coil probe
Speed signal LED
Yellow LED
Green LED Yellow LED
Knob
• Can set the temperature manually from +3 to -3 degrees with
respect to the Control Unit setting.
•

Sets the Antifreeze/Heat protection mode for the zone.
If the temperature control system is working as heating, turning
the knob to this position sets the Antifreeze mode; if the system is
working as cooling it sets the Heat protection mode.
To return to normal operation turn the knob to one of the positions
from +3 to -3.
• OFF Turning the knob to this position turns the zone OFF. To return to
normal operation turn the knob to one of the positions from +3 to -3.
Green LED
• When it is shining steadily it indicates that the system is active.
• When it is flashing it indicates that the zone is in

or OFF mode.
Yellow LED
• When it is shining steadily it indicates that the system is working
in the zone.
• When it is OFF it indicates that the system is not working in the
zone.
• When it is flashing it signals a fault.
KEY (Fan-Coil probe)
• When it commands the Fan-Coil it can select the speed (MIN
- MED - MAX - AUTO)