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EN
12
Appliance description
www.bora.com
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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).
Cooktop extractor display and symbols
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The fan power levels, extractor functions and system
functions are shown in the cooktop extractor control
knob display.
Control knob display Meaning
0
Appliance is switched off
1
–
9
Power levels
P
Power setting
A
Automatic extractor function
t
Short-time timer (egg timer)
001
–
120
Time display
L
Childproofing feature
1 1
pulsating
Pause function
F
Filter service display
F
flashing
Filter service display
n
Automatic after-run
c
Cover flap cleaning position
E
...
Error message (see the Troubleshooting
chapter)
C
Configuration menu
Tab. 4.3 Cooktop extractor 7-segment display
4.3.1 Structure of the cooktop extractors
Cooktop extractor PKA3/PKA3AB
7
6
5
4
3
2
1
Fig. 4.5 Cooktop extractor PKA3/PKA3AB
[1] Cover frame
[2] Holding plate
[3] Curved duct piece
[4] Straight duct piece
[5] Universal control unit
[6] Control knob
[7] Cover flap
Control knob assignment
54321
Fig. 4.4 Control knob assignment
[1] Control knob for left cooktop, front cooking zone
[2] Control knob for left cooktop, rear cooking zone
[3] Control knob for cooktop extractor
[4] Control knob for right cooktop, front cooking zone
[5] Control knob for right cooktop, rear cooking zone
4.3 Cooktop extractor appliance
description
Installation variations
Depending on what you opted for when purchasing, the cooktop
extractor can be operated as an exhaust air or recirculation
model.
Exhaust air 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:
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.
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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 charcoal 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).
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In recirculation mode, ensure sufficient ventilation and
aeration to expel humidity.
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