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EN
14
Appliance description
www.bora.com
XO
a smoke or exhaust gas flue that is in operation
XO
a shaft used for the aeration of rooms where fireplaces are
installed.
If the exhaust air is to be directed into a smoke or exhaust gas
flue that is not in use, the installation must be checked and
approved by the responsible heating engineer.
i
If the cooktop extractor is used in an exhaust air system,
the extractor power is automatically increased for the
first 20 seconds when set on a lower power level (wall
sleeve function).
Recirculation mode
The air suctioned away is purified by the grease filter and an
activated carbon filter and fed back into the room in which the
appliance is installed.
To prevent odours in recirculation mode, an odour filter must be
used. For hygiene and health reasons, this must be replaced at
the recommended intervals (see the Cleaning and maintenance
chapter).
i
In recirculation mode, ensure sufficient ventilation and
aeration to expel humidity.
i
If the cooktop extractor is used in a recirculating air
system, when a power level is set the operating time
is automatically deducted from the recirculation filter
service life. The remaining filter service life can be seen
in the menu under menu item A (see Operation chapter).
4.2.3 Overview of features and functions
Features CKA2/
CKA2AB
Automatic fan detection
3
Electronic power adjustment
3
Interface communication
3
Compact grease filter unit
3
Functions
Automatic after-run
3
Power setting
3
Automatic extractor function
3
Filter service indicator (recirculation mode)
3
Safety devices
Control lock
3
Safety shut-down
3
active error monitoring
3
Tab. 4.7 Overview of features and functions
4.1.6 Sounds
i
The volume of the acoustic signals can be set in the
menu (10% to 100%).
i
Safety-relevant acoustic signals are always emitted with
the volume at 100%.
The system basically differentiates between three different types
of acoustic signals:
Acoustic signal Purpose
Short individual beep (0.25 s) Confirmation of a selection
Sequence of beeps Interaction required
Long individual beep (0.75 s) End of a function
Tab. 4.5 Sounds
4.1.7 System functions
Short-time timer (egg timer)
The short-time timer emits both a visual and an acoustic signal
after a time set by the user
and offers the function of a conventional egg timer.
4.2 Cooktop extractor
i
The cooktop extractor CKA2/CKA2AB is the central
component and contains all of the electronics for
operating the entire BORA Classic 2.0 system. It is not
possible to operate the system or individual components
without a cooktop extractor.
4.2.1 Model description
Model Long description
CKA2 BORA Classic cooktop extractor
flexible system with separate control unit, can be
combined with the Classic cooktops and other BORA
Universal components
CKA2AB BORA Classic cooktop extractor All Black
flexible system with separate control unit, can be
combined with the Classic cooktops and other BORA
Universal components
Tab. 4.6 Model description
4.2.2 Installation variations
Depending on what you opted for when purchasing, the cooktop
extractor can be operated as an exhaust air or an recirculating
air version.
Exhaust mode
The air suctioned away is purified by the grease filter and
expelled into the open air via a duct system.
The exhaust air must not be expelled into:
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