Service Manual

Instructions to replace Ambient Sensor.
3. Disconnect the
connector of the
ambient sensor
located on the back of
the thermostat, shown
in the picture.
4. Unscrew the two screws
that hold the wires in
place of the ambient
sensor using a precision
flat blade slotted
screwdriver.
1. Remove the front
frame of the
thermostat using
your fingers.
2. Turn 90° both screws to loosen
their cams and the front panel will
detach . Then, proceed to remove
the thermostat from the panel, by
keeping it horizontally.
DISCONNECT UNIT FROM POWER SUPPLY BEFORE DOING ANY SERVICE