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2. FUNCTIONING
• Overview
Lowering temperature cycle by setting frost protection during venti lation
of a room by opened window. You can access the open window detection
from the Comfort, Eco and Auto modes. Two ways to enable the detector:
• Automatic activation, the lowering temperature cycle starts as soon as
the device detects a temperature change.
• Manual activation, the cycle of lowering temperature starts by pres sing
a button.
• Automatic activation (factory settings)
To disable this mode, paragraph 4.2.
The device detects a temperature faiI. An opened window, a door to the
outside, can cause this temperature faiI.
Note: The difference between the air from the inside and the outside must
cause a significanttemperature fall to be perceptible bythe device. This
temperature drop detection triggers the cha nge to Frost Protection mode.
• Manual activation By
pressing
, for more
than 5 seconds, the de vice
will switch on Frost pro-
tection mode.
• Frost protection digital meter
When the device run a lower temperature cycle due to opened window, a
meter appears on the display to show the couter. The counter is auto-
matically reset at the next time to Frost protection by opened window
(automatic or manual activation).
• Stop the Frost protection mode
By pressing one button, you stop the Frost protection mode.
Note: if a temperature rise is detected, the device may return to the pre-
vious mode (active mode before the open window detection).