EN
PKA1UMEN-001
www.bora.com
Operating and installation instructions PKA/PKAS
Cooktop extractor
1039946
Operating and installation instructions: Original Translation
Manufacturer
BORA Vertriebs GmbH & Co KG
Prof.-Dr.-Anton-Kathrein-Straße 3
6342 Niederndorf
Austria
Contact
T +43 (0) 5373 / 62250-0
www.bora.com
The distribution and duplication of this document, as well as the use and disclosure of its contents are prohibited
unless expressly authorised.
These operating and installation instructions have been drawn up with the greatest of care. But it cannot be ruled
out that subsequent technical modifications have not yet been incorporated or the relevant content has not yet been
adapted. Please accept our apologies in this eventuality. An updated version can be requested from the BORA Service
Team. Subject to printing errors and mistakes.
© BORA Vertriebs GmbH & Co KG
All rights reserved.
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Table of Contents
1 General information 4
2 Safety 6
2.1 General safety instructions ................................. 6
2.2 Safety instructions – operation ........................... 7
2.3 Safety instructions – installation ......................... 8
2.4 Safety instructions – disassembly
and disposal ........................................................ 9
2.5 Safety instructions – spare parts ........................ 9
2.6 Intended use ....................................................... 9
3 Technical data 10
3.1 PKA ................................................................... 10
3.2 PKAS ................................................................. 11
3.3 Control knob ..................................................... 11
4 Energy consumption label 12
5 Device description 13
5.1 Type descriptions ..............................................13
5.2 Structure ........................................................... 13
5.2.1 Cooktop extractor PKA ......................................13
5.2.2 Cooktop extractor system PKAS .......................13
5.2.3 Grease filter components .................................. 14
5.2.4 Control knob ..................................................... 14
5.3 Operating principle ............................................14
5.4 Functional principle of the cooktop extractor ...15
5.4.1 Power control .................................................... 15
5.4.2 Power setting .................................................... 15
5.4.3 Automatic cooktop extractor function ...............15
5.4.4 Sensors ............................................................. 15
5.4.5 Automatic after-run ........................................... 15
5.4.6 Filter service display ..........................................15
5.4.7 Interface communication...................................15
5.4.8 Safety shut-down ............................................. 15
5.4.9 Crush protection .............................................. 15
6 Installation 16
6.1 Checking the scope of delivery .........................16
6.2 Tool and aids ..................................................... 16
6.3 Assembly instructions .......................................16
6.3.1 Safety clearances .............................................. 16
6.4 Cut-out dimensions ...........................................17
6.4.1 Worktop overhang ............................................. 17
6.4.2 Flush installation ............................................... 17
6.4.3 Surface mounting .............................................. 17
6.4.4 Optional cable protection ..................................18
6.5 Installing the extraction system ........................18
6.5.1 Installation dimensions ......................................18
6.5.2 Fitting the cooktop extractor.............................18
6.5.3 Securing the cooktop extractor .........................19
6.5.4 Duct connection dimensions ............................. 20
6.6 Installing the control knob into the
floor unit front panel .........................................21
6.6.1 Bore hole ........................................................... 21
6.6.2 Fitting the control knob ..................................... 21
6.7 PKA planning options ........................................22
6.7.1 Airflow straight to the side ................................ 22
6.7.2 Airflow to left
(installation rotated around 180°) .....................23
6.8 Installing the duct system .................................24
6.8.1 Preparing for installation ................................... 24
6.8.2 Connect the duct system to the device. ...........25
6.8.3 Standard setup PKA ..........................................25
6.8.4 Installing the additional fan ............................... 25
6.9 Operating the cooktop extractor with
a fireplace that depends on the air in
the room ............................................................ 25
6.10 Connecting external switch contacts ................26
6.11 Establishing communication and
power connection .............................................. 28
6.11.1 Connecting the control knob ............................. 28
6.11.2 PKAS connections ............................................. 29
6.11.3 PKA connection ................................................. 29
6.11.4 Establishing the power connection.................... 30
6.12 Configuration menu ..........................................30
6.12.1 Accessing the configuration menu .................... 30
6.12.2 Select menu option ........................................... 30
6.12.3 Changing the setting ......................................... 31
6.12.4 Exiting configuration menu ................................ 32
6.13 Handover to user ............................................... 32
7 Operation 33
7.1 General operating instructions .......................... 33
7.2 Operating the cooktop extractor ....................... 33
7.2.1 Switching on the cooktop extractor ..................33
7.2.2 Automatic cooktop extractor function ...............33
7.2.3 Switching off the cooktop extractor .................. 34
7.2.4 Automatic after-run .......................................... 34
7.2.5 Childproofing feature .........................................34
7.2.6 Crush protection ............................................... 34
7.3 Note the filter service function ..........................34
7.4 Configuration menu ...........................................35
8 Cleaning and maintenance 36
8.1 Cleaning agents ................................................. 36
8.2 Cleaning the cooktop extractor .........................36
8.2.1 Cleaning position for cover flap.........................36
8.2.2 Removing the cover flap, the grease
filter and the filter tray ......................................36
8.2.3 Fitting the cover flap, the grease
filter and the filter tray ......................................37
8.2.4 Removing the maintenance tray ........................37
8.2.5 Fitting the maintenance tray .............................38
8.2.6 Cleaning of the components .............................38
8.2.7 Finish cleaning the cooktop extractor ............... 38
8.3 Cleaning the control knobs ...............................38
8.3.1 Cleaning the knob ring ......................................38
8.3.2 Cleaning the touch surface and
the knob housing ............................................... 38
8.4 Replacing the activated
charcoal filter .................................................... 39
9 Troubleshooting 40
10 Decommissioning, disassembly
and disposal 41
10.1 Decommissioning .............................................. 41
10.2 Disassembly ...................................................... 41
10.3 Environmentally-friendly disposal ...................... 41
11 Warranty, technical service
and spare parts 42
11.1 Warranty ............................................................ 42
11.2 Service .............................................................. 42
EN
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General information
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1 General information
Target group
These operating and installation instructions apply for the
following target groups:
Target group Requirements
User The appliance can be used by children
aged 8 and above as well as people with
reduced physical, sensory or mental
capacities or a lack of experience and/or
knowledge if they are supervised or have
been instructed how to safely use the
appliance and understand the resultant
risks. Children must be supervised. All
safety and warning information and the
handling instructions in the installation
instructions must be complied with.
Ambitious DIYers Ambitious DIYers can independently
conduct all joinery and installation work
providing they possess the necessary
skills and expertise. They must never
independently establish electricity and
gas connections.
Installation specialists Installation specialists are authorised
to conduct all joinery and installation
work in line with
existing regulations. The
electricity and gas connections must be
certified by a certified engineer for the
applicable trade prior to commissioning.
Electricians The electrical connection may only be
established by a certified engineer.
He/she also assumes responsibility for
the proper electrical installation and
commissioning.
Gas specialists The gas connection may only be
established by certified engineers.
They also assume responsibility for
proper installation and commissioning of
the gas system.
Tab. 1.1 Target groups
INFO BORA Holding GmbH, BORA Vertriebs GmbH
& Co KG, BORA APAC Pty Ltd and BORA
Lüftungstechnik GmbH - hereinafter referred
to as BORA - do not assume any liability for
damage arising from non-adherence to these
documents and from improper assembly! The
electricity and gas connections must be made
by a qualified specialist. Installation must
comply with the valid standards, regulations
and laws. All safety and warning information
and the operating and installation instructions
must be complied with.
Validity of the operating and
installation instructions
These instructions apply to several device versions. It is
therefore possible that some of the features described do
not apply to your appliance.
Other applicable documents
These operating and installation instructions are valid
in conjunction with other documents, which must be
adhered to.
Please be sure to adhere to all documents that form part
of the scope of delivery.
INFO BORA accepts no liability for damage caused
by failure to comply with these documents!
Directives
These devices meet the following EU/EC directives:
2014/30/EU EMC Directive
2014/35/EU Low Voltage Directive
2009/125/EC Ecodesign Directive
2010/30/EU Energy Consumption Label Directive
2011/65/EU RoHS Directive
2012/19/EU WEEE Directive
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General information
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Presentation of information
To make working with these instructions quick and
easy, consistent formatting, numbering, symbols,
safety instructions, terms and abbreviations are used
throughout.
Handling instructions are market with an arrow.
Always carry out handling instructions in the sequence
shown.
Bullet points are indicated by a square bullet point at
the edge of the line.
Bullet point 1
Bullet point 2
INFO Information points out specific points you must
always comply with.
Safety and warning information
The safety and warning information in these instructions
are highlighted with symbols and signal words.
Safety and warning information is structured as follows:
WARNING SYMBOL AND SIGNAL
WORD!
Type and source of the danger
Consequences of non-compliance
Measures to minimise risk
The following applies:
The warning symbol draws attention to the danger.
The signal word indicates the severity of the risk.
Warning sign Signal word Hazard
Danger Indicates an imminent hazardous
situation which could lead to
death or serious injury
if ignored.
Warning Indicates an imminent hazardous
situation which could lead to
death or serious injury if
ignored.
Caution Indicates a potentially hazardous
situation which could lead to slight
or minor injuries if ignored.
— Caution Indicates a situation which could
result in material damage if
ignored.
Tab. 1.2 Meaning of warning symbols and signal words
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Safety
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2 Safety
2.1 General safety instructions
INFO The appliance complies with the
stipulated safety requirements. The
user is responsible for appliance
cleaning and maintenance as well as
its safe use. Improper use can lead
to personal injury and damage to
property.
The operating and installation instructions
contain important information about
installation and operation. These enable you
to protect yourself against injuries and
prevent damage to the appliance. Contact
details for further information as well as
application and usage questions can be
found on the back of these operating and
installation instructions.
The term device applies to cooktops,
cooktop extractors and cooktops with
cooktops extractors.
Read the operating and installation
instructions fully before using the appliance
for the first time.
Always store the operating and installation
instructions within easy reach so that they
can be accessed if required.
Pass the operating and installation
instructions to the next owner if you sell
the appliance.
Conduct all work extremely attentively and
conscientiously.
Check the appliance for visible damage
when unpacking it.
Do not connect a damaged appliance.
Only use the appliance once all installation
activities are complete. This is the only way
to ensure safe operation.
Make sure that hot hobs are not touched.
Avoid boiling over.
Only operate the cooktop extractor with
BORA cooktops. This particularly applies to
use with BORA gas cooktops.
Switch the device off after use.
Keep pets away from the appliance.
Recirculation mode
INFO When cooking, additional moisture is
released into the ambient air.
INFO In recirculation mode, only a slight
amount of moisture is removed from
the cooking vapour.
When using recirculation mode, ensure a
sufficient supply of fresh air, e.g. by
opening a window.
Ensure a normal and comfortable room
climate (humidity of 45–60%), e.g. by
opening natural ventilation openings or
using domestic ventilation systems.
After every use in recirculation mode,
switch the cooktop extractor to a low level
for about 20 minutes or activate the
automatic after-run function.
Households with children and people with
special needs
The appliance can be used by children aged
8 and above as well as people with reduced
physical, sensory or mental capacities or a
lack of experience and/or knowledge if
they are supervised or have been instructed
how to safely use the appliance and
understand the resultant risks.
Supervise children in the vicinity of the
appliance.
Children must not play with the appliance.
Do not store any items that could be of
interest to children in storage spaces above
or behind the appliance. Children will
otherwise be encourage to climb on the
appliance.
Unauthorised modifications
Unauthorised modifications can cause the
appliance to pose risks.
Do not conduct any modifications to the
appliance.
Cleaning and maintenance
The device must be cleaned regularly. Dirt
can lead to damage or the buildup of odours.
Remove any dirt immediately.
Cleaning and maintenance work must not
be carried out by children unless they are
supervised at all times.
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Safety
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DANGER!
Fire risk from fat deposits!
If the stainless steel grease lter is
not cleaned regularly, this can lead to
increased levels of grease in it. This
increases the re risk.
Clean and replace the filter at
regular intervals.
WARNING!
Risk of injury due to moving fan
wheel!
There is a risk of injury if the fan
wheel turns.
Only install the device with the
power disconnected.
Connect both sides of the fan to
the duct system before
commissioning.
Ensure that the inlet nozzle is
locked before the device is
commissioned for the first time.
CAUTION!
Risk of injury from moving cover
flap!
There is a risk of injury when the
electric cover ap moves.
Do not put your hands inside the
cooktop extractor while the cover
flap is moving.
CAUTION!
Touchable parts may become hot!
The cooktop extractor and its
touchable parts are hot when the
cooking zone is switched on and
during the cooling phase.
Do not place any items on the
cooktop.
Please use suitable tools
(pot holders, oven gloves).
Do not use steam cleaners. The steam can
cause a short-circuit on live parts and
cause damage to property (see Cleaning
and maintenance section).
Make sure no water penetrates inside the
device when cleaning. Only use a slightly
damp cloth. Never spray water on the
device. Water ingress can cause damage!
CAUTION!
Risk of injury when inserting the
grease filter!
Injuries can be caused if the hands
slip while inserting the grease lter
into the cooktop extractor.
When inserting the grease filter,
only ever hold it by the handle
provided.
2.2 Safety instructions – operation
Cooktop extractor
DANGER!
Risk of smoke inhalation!
Using a replace that depends on the
air in the room produces combustion
gases.
If the cooktop extractor is used in
conjunction with a replace that
depends on the air in the room, toxic
combustion gases (carbon monoxide)
can be extracted from the chimney
or outlet duct into the living area.
Make sure that there is always a
sufficient air supply.
DANGER!
Fire risk from flambéing!
While the cooktop extractor is
working, it sucks up grease from
cooking. Flambéing food can cause
the grease to catch re.
Clean the cooktop extractor
regularly.
Never work with a naked flame
while the cooktop extractor is
running.
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Safety
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Cooktop extractor
DANGER!
Risk of poisoning from combustion
gases!
If the cooktop extractor is used in
exhaust mode, it draws in air from
the room in which it is installed as
well as from neighbouring rooms. If
there is insucient air supply, low
pressure will occur. Toxic gases
could be drawn out of the replace
that depends on the air in the room
or extraction ducting and back into
the room.
Make sure that there is always a
sufficient air supply.
Only use approved and tested
switchgear (e.g. window contact
switch, low-pressure monitor)
and have them approved by
authorised specialists (certified
chimney-sweep).
DANGER!
Risk of electric shock!
The control unit can contain residual
charge and cause an electric shock.
Never touch exposed contacts on
t
he control unit.
DANGER!
Risk of electric shock!
Incorrect stripping of the connection
cable to external switching devices
results in a risk of electric shock.
Ensure that the connection cable
is secured with the strain relief
clamp within the universal control
unit.
Ensure that the stated stripping
lengths are adhered to.
Check the appliance for visible damage
before installing it.
Do not install damaged devices.
A damaged device is a hazard.
Repair work must only be carried out by
specialists authorised by the manufacturer.
CAUTION!
Damage caused by objects or
paper suctioned in!
Small and light items, such as
cleaning cloths made from material
or paper, can be suctioned into
the cooktop extractor. This can
damage the fan or impair the exhaust
performance.
Do not store any items or paper on
the cooktop extractor.
CAUTION!
Damage caused by grease and dirt
deposits!
Grease and dirt deposits can stop the
cooktop extractor from functioning
properly.
Never use the cooktop extractor
without a stainless steel grease
filter.
2.3 Safety instructions – installation
The device must only be installed and
assembled by trained specialists who are
familiar with and comply with the standard
national regulations and supplementary
regulations of the local utility companies.
Work on electrical components must be
conducted by trained electrical personnel.
The electrical safety of the appliance is only
guaranteed if it is connected to a protective
conductor system that has been installed in
line with regulations. Ensure that this basic
safety precaution is met.
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Safety
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2.6 Intended use
The device cannot be used at altitudes above
2000 m (metres above sea level).
The device is designed exclusively for the
preparation of food in private households.
This appliance is not intended for:
Outdoor use
Installation in vehicles
Heating rooms
Use in non-stationary installation sites
(e.g. on ships)
Use with an external timer or a separate
remote control system (remote operation)
Any use other than that specified in these
operating and installation instructions or any
use that goes beyond that which is described
here is classed as unintended. BORA does not
assume any liability for damages caused by
improper use or incorrect operation.
All misuse is prohibited!
INFO BORA Holding GmbH, BORA Vertriebs
GmbH & Co KG, BORA APAC Pty Ltd
and BORA Lüftungstechnik GmbH do
not assume any liability for damage
arising from non-adherence
to the
safety and warning information.
2.4 Safety instructions –
disassembly and disposal
The device must only be disassembled by
trained specialists who are familiar with and
comply with the standard national regulations
and supplementary regulations of the local
utility companies.
Work on electrical components must only be
conducted by trained electrical personnel.
DANGER!
Risk of electric shock!
Incorrectly disconnecting the
appliance from the mains results in a
risk of electric shock.
Securely disconnect the appliance
from the mains using LS switches,
fuses, automatic circuit breakers
or contactors.
Use an authorised measuring
device to ensure that there is no
power to the appliance.
DANGER!
Risk of asphyxiation!
Packaging components (e.g. lm,
polystyrene) can be life-threatening
for children.
Store all packaging components
out of reach of children.
Dispose of the packaging properly
and immediately.
2.5 Safety instructions – spare parts
WARNING!
Risk of injury and damage to
property!
Incorrect components can lead to
personal injury or damage to the
appliance. Modications, additions or
alterations to the appliance can lead
to safety risks.
Only use original spare parts for
repairs.
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Technical data
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3 Technical data
3.1 PKA
Parameter Value
Supply voltage 220 - 240 V
Frequency 50/60 Hz
Power consumption (including external
BORA universal article fans)
max. 700 W
Dimensions (width x depth x height) 482 x 540 x 176 mm
Dimension of control knob
(diameter x depth)
Ø 49 mm
Ø 92 mm
Weight (incl. accessories/packaging) 9.25 kg
Cooktop extractor
Power levels 1 - 9, P
Tab. 3.1 Technical data PKA
Device dimensions PKA
110
482
540
411
67
Fig. 3.1 PKA Device dimensions aerial view
115 252
5,571,5
176
40
7
6
126
138
Fig. 3.2 PKA Device dimensions front view
12
516
Fig. 3.3 PKA Device dimensions side view
187
60
128
Fig. 3.4 Universal control unit device dimensions
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Technical data
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12
516
Fig. 3.7 PKAS Device dimensions side view
3.3 Control knob
Device dimensions control knob
Ø76
Ø58
Ø49
92
22 10-40 20
Fig. 3.8 Device dimensions control knob
3.2 PKAS
Parameter Value
Supply voltage 220 - 240 V
Frequency 50/60 Hz
Power consumption (including external
BORA universal article fans)
max. 700 W
Power consumption of internal motor max. 170 W
Dimensions (width x depth x height) 468 x 540 x 199 mm
Dimension of control knob
(diameter x depth)
Ø 49 mm
Ø 92 mm
Weight (incl. accessories/packaging) 12.5 kg
Cooktop extractor
Power levels 1 - 9, P
Tab. 3.2 Technical data PKAS
Device dimensions PKAS
110
468
540
411
67
Fig. 3.5 PKAS Device dimensions aerial view
115 252
5,571,5
123
199
40 7
6
Fig. 3.6 PKAS Device dimensions front view
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Energy consumption label
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4 Energy consumption label
Product description Professional
cooktop extractor PKA
Professional
cooktop extractor system PKAS
Operating mode Exhaust air Exhaust air
Energy consumption Value Value EN standard
Annual energy consumption (AEC
hood
) 23.4 kWh/a 32.5 kWh/a 61591
Energy efficiency class A++ A+ 61591
Energy efficiency index (EEI
hood
) 31.6 42.5 61591
Flow volume
Fluid dynamic efficiency (FDE
hood
) 38.4 34.5 61591
Fluid dynamic efficiency class A A 61591
Minimum air flow 276.9 m³/h 251.7 m³/h 61591
Maximum air flow 612.7 m³/h 618.2 m³/h 61591
Air flow power setting (Q
Max
) 612.7 m³/h 689.8 m³/h 61591
Lighting
Lighting efficiency (LE
hood
) * lx/Watt * lx/Watt *
Lighting efficiency class * * *
Grease filtering
Maximum level (no power setting) (GFE
hood
) 86.8 % 91.28 % 61591
Class maximum level B B 61591
Sound power level
minimum 42.5 dB(A) 47.6 dB(A) 60704-2-13
maximum 61.5 dB(A) 68.4 dB(A) 60704-2-13
Power setting 61.8 dB(A) 69.9 dB(A) 60704-2-13
Sound pressure level (additional details)
minimum 29.2 dB(A) 34.9 dB(A) **
maximum 48.2 dB(A) 55.7 dB(A) **
Power setting 48.5 dB(A) 57.2 dB(A) **
Details according to 66/2014
Time increase factor 0.6 0.8 61591
Electric power input at the best efficiency point (W
BEP
) 106.9 W 111.3 W 61591
Pressure at the best efficiency point (P
BEP
) 518 Pa 418 Pa 61591
Air flow rate at the best efficiency point (Q
BEP
) 288.1 m³/h 330.7 m³/h 61591
Power consumption in off mode (P
O
) 0.4 W 0.43 W 61591
Tab. 4.1 Information on the energy consumption label in accordance with Ordinance (EU) no. 65/2014 or 66/2014.
* This specification is not applicable for this product.
** The sound pressure level has been determined from a distance of 1m (distance-dependent level recording) on the
basis of the sound power level established in EN 60704-2-13.
EN
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Device description
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5 Device description
Observe all safety and warning information during
operation (see the Safety section).
The cooktop extractor has the following features:
Power control via a control knob
Power display
Electrical cover flap with position sensor
Stainless steel grease filter
Grease filter position sensor
Automatic cooktop extractor function
Automatic after-run
Filter service display
Interface for external devices
Safety shut-down
Cover flap crush protection
Depending on the model you purchased, the cooktop
extractor can be operated as an exhaust air or an
recirculating air version.
Exhaust mode
The air extracted is cleaned by the stainless steel grease
filter and released outside through a duct system.
The exhaust air must not be expelled into:
a smoke or exhaust gas flue that is in operation
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.
Recirculation mode
The air extracted 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,
the activated charcoal filter must be replaced at
the recommended intervals (see the Cleaning and
maintenance section).
INFO In recirculation mode, ensure sufficient
ventilation and aeration to expel humidity.
5.1 Type descriptions
PKA = Professional cooktop extractor with separate
control unit and freely combinable fans
PKAS = Professional cooktop extractor system with
built-in control unit and built-in fans
5.2 Structure
5.2.1 Cooktop extractor PKA
7
6
5
4
3
2
1
Fig. 5.1 Cooktop extractor PKA
[1] cover frame
[2] Holding plate
[3] Bent ducting piece
[4] Straight ducting piece
[5] Universal control unit
[6] Control knob
[7] Cover flap
5.2.2 Cooktop extractor system PKAS
6
5
3
4
2
1
Fig. 5.2 Cooktop extractor system PKAS
[1] cover frame
[2] Holding plate
[3] Control unit
[4] Fan housing with fan
[5] Control knob
[6] Cover flap
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Device description
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5.2.3 Grease filter components
4
3
2
1
Fig. 5.3 Grease lter components
[1] Cover flap
[2] Stainless steel grease filter
[3] Filter tray
[4] Maintenance tray
5.2.4 Control knob
4
3
2
1
Fig. 5.4 Control knob
[1] Knob casing
[2] Universal nut
[3] Control knob display
[4] knob ring
5.3 Operating principle
2
1
Fig. 5.5 Control elements of control knob
[1] knob ring
[2] Touch surface
5
4
3
2
1
Fig. 5.6 Control knob display elements
[1] Display of functions
[2] Power display
[3] Recirculation display
[4] Display of mode or operating mode
[5] Exhaust mode display
Control knob display Meaning
1 - 9
Power levels
P
Power setting
0
Cooktop extractor is switched off
A
+ Power level
Extraction system
n
Automatic after-run
L
Childproofing feature active
c
Cleaning position for cover flap
F
flashing
Filter service display
E
...
Error message
(see Troubleshooting section)
C
Configuration menu
Tab. 5.1 Meaning of display
Knob operation
The cooktop extractor is operated using a control knob.
By twisting the control knob and pressing the touch
surface, the power levels and functions are controlled
(see Operation section).
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Device description
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5.4.5 Automatic after-run
The cooktop extractor continues to run at a lower level
and switches off automatically after 20 minutes.
5.4.6 Filter service display
The filter service display is active after 200, 400 or
1000 operating hours, depending on the filter unit fitted.
The activated charcoal filter has reached the end of its
service life (with recirculation only) and the grease filter
components need to be thoroughly cleaned.
After the cooktop extractor is switched on, F flashes
on the control knob display.
The filter service display can be deactivated on a
one-off basis or completely reset in order to use the
cooktop extractor.
INFO
Irrespective of the filter service display, the
grease filter components require regular cleaning
(see Cleaning and maintenance section).
5.4.7 Interface communication
The internal interface can be used for extended control
options. This has a ‘Home In’ and a ‘Home Out’ contact
(see the Installation section).
The ‘Home In’ contact can be used for the signal input
from external switch devices (e.g. window contact
switch).
The ‘Home Out’ contact can be used to control
external installations.
5.4.8 Safety shut-down
The cooktop extractor shuts down automatically after an
operating time of 120 minutes with no changes in power
level.
5.4.9 Crush protection
The electrical cover flap on the cooktop extractor has
crush protection.
If the cover flap is blocked while it is opening or closing,
the movement is stopped automatically. The cover
flap moves back to its starting position (see Operation
section).
5.4 Functional principle of the
cooktop extractor
5.4.1 Power control
The power levels are controlled by turning the knob ring
to the desired power level.
5.4.2 Power setting
The cooktop extractor has a power-enhancing power
setting. This power setting makes it possible to suction
away high levels of cooking vapours more quickly. After
9 minutes, the power setting is automatically switched to
power level 9.
5.4.3 Automatic cooktop extractor function
The automatic cooktop extractor function adjusts the
extraction performance automatically to the highest
power level for all cooking zones connected.
Function Power levels
Cooking level 1 2 3 4 5 6 7 8 9 P
Extraction power 4 4 4 4 5 6 7 8 9 P
Tab. 5.2 Extraction performance and cooking level
If the power level of the cooking zones is changed,
the automatic cooktop extractor function adjusts the
cooktop extractor performance after a 30 second
delay.
Once the cooking session is complete, the automatic
after-run is activated.
After the automatic after-run period, the cooktop
extractor switches itself off automatically.
5.4.4 Sensors
The cooktop extractor is fitted with sensors near the
cover flap and the grease filter.
Position sensor for cover flap
The cover flap sensor detects the position of the cover
flap.
If the cover flap is closed, the cooktop extractor is
deactivated.
If the cover flap is open, the cooktop extractor can be
used.
If the cover flap is removed, the cooktop extractor can
be used.
Grease filter position sensor
The grease filter sensor detects whether the grease filter
is properly fitted.
If the grease filter is missing or fitted incorrectly, the
cooktop extractor is deactivated.
INFO If the grease filter has been removed, for
example for cleaning purposes, the cover flap
can still be closed.
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6 Installation
Observe all safety and warning information
(see the Safety section).
INFO The device must not be installed above cooling
devices, dishwashers, stoves, ovens, washing
machines or dryers.
INFO The contact surfaces of the worktops and wall
sealing strips must be made of a heat-resistant
material (up to approx. 100 °C).
INFO Worktop cut-outs must be moisture-sealed
using suitable means and, where necessary,
fitted with a thermal insulator.
6.1 Checking the scope of delivery
Check the scope of delivery to make sure everything
has been provided (see table (see Table 6.1 and 6.2).
If there are any missing or damaged parts, please
notify BORA After Sales Service.
Do not under any circumstances install parts which are
damaged.
Dispose of transport packaging in the proper manner
(see the Decommissioning, disassembly and disposal
section).
Adhere the supplied nameplate (adhesive label) to the
back of your operating and installation instructions.
Scope of delivery PKA
Name Quantity
Operating and installation instructions 1
Cooktop extractor 1
Height adjustment plate set 1
Mounting clamps 4
Control knob 1
Stainless steel grease filter 1
Filter tray 1
Maintenance tray 1
Cover flap 1
CAT 5 communication cable 1
Universal control unit 1
Power supply cable 1
Straight ducting piece 1
Control knob cable – interface/extractor 1000 mm 1
Tab. 6.1 Scope of delivery PKA
Scope of delivery PKAS
Name Quantity
Operating and installation instructions 1
Cooktop extractor 1
Height adjustment plate set 1
Mounting clamps 4
Control knob 1
Stainless steel grease filter 1
Filter tray 1
Maintenance tray 1
Cover flap 1
Power supply cable 1
Control knob cable – interface/extractor 250 mm 1
Tab. 6.2 Scope of delivery PKAS
6.2 Tool and aids
The following tools are required to correctly install the
cooktop extractor:
Pencil
Tape measure or metre rule
Standard or cordless drill with Forstner bit Ø50 mm
Black, heat-resistant silicone sealant
Flat screwdriver
Torx screwdriver size 20
Torx screwdriver size 10 (PKA only)
6.3 Assembly instructions
6.3.1 Safety clearances
1
3
2
Fig. 6.1 Recommended minimum clearances
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7 +0,5
(14)
10 ... 40
Fig. 6.4 Groove dimensions for ush installation
6.4.3 Surface mounting
B ±2
≤ R5
≥ 74
516 ±2
≥ 700
Fig. 6.5 Surface mounting
(12)
10 ... 40
Fig. 6.6 Surface mounting cut-out
Maintain the following safety clearances:
[1] Rear minimum clearance of 50 mm between the worktop
cut-out and the rear corner of the worktop.
[2] Minimum clearance of 300 mm from the left and right of the
worktop cut-out to the adjacent cabinet or wall.
[3] Minimum clearance of 600 mm between the worktop and
the wall unit.
6.4 Cut-out dimensions
Preparing the worktop
Create the worktop cut-out.
Make sure that the cutting surfaces are properly
sealed.
Comply with the worktop manufacturer’s instructions.
6.4.1 Worktop overhang
≥74x
Fig. 6.2 Worktop overhang
Please note the worktop overhang x when creating
the worktop cut-out. Applies to flush installation and
surface mounting.
INFO For cooktop extractor PKA used in conjunction
with straight ducting piece PKA1FEV, flush
mounting is also possible for worktop depths
≥ 650 mm.
6.4.2 Flush installation
A ±2
B ±2
544 ±2
≤ R5
≤ R5
≥ 74
516 ±2
≥ 700
Fig. 6.3 Flush installation
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The drawers and/or shelves in the floor unit must be
removable for maintenance and cleaning purposes.
A return flow aperture > 500 cm² is required in the kitchen
units for recirculation appliances (e.g. by shortening the
plinth boards or using suitable slatted plinths).
Make sure that the front area of the floor unit is
sufficiently ventilated.
INFO A minimum opening cross section of 50 cm²
must be provided for ventilation on the front
side and in the false floor.
6.5.1 Installation dimensions
≥700
≥900
≥74
Fig. 6.8 PKA and PKAS device installation dimensions
6.5.2 Fitting the cooktop extractor
1
2
Fig. 6.9 Installing the cooktop extractor
[1] Worktop cut-out
[2] Cooktop extractor
Place the cooktop extractor [2] in the middle of the
relevant worktop cut-out [1].
Precisely position the cooktop extractor [2].
Cut-out dimensions when installing cooktops only or
cooktops and the cooktop extractor next to each other:
Cooktops/cooktop extractor A in mm B in mm
1/0 374 346
2/0 745 717
3/0 1116 1088
1/1 485 457
2/1 856 828
3/2 1338 1310
4/2 1709 1681
Tab. 6.3 Cut-out dimensions (tolerance ±2)
6.4.4 Optional cable protection
If cable protection (false floor) is planned below the
device, this must be fitted so it can be removed for
maintenance work. Sufficient ventilation or extraction
must be guaranteed.
>80
100
Fig. 6.7 Side view of cable protection
6.5 Installing the extraction system
INFO Clearance of one millimetre should be planned
between the built-in appliances.
In combination with an adjacent PKIW1
induction wok cooktop, the plastic strip on the
side of the cooktop extractor must be carefully
removed for this.
INFO A clearance of two millimetres should be
planned around the built-in appliances.
Cross bars on the kitchen unit in the area of the
worktop cut-out may need to be removed.
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Preparing the mounting clamps
4
3
2
1
Fig. 6.12 Mounting clamp on right (ush mounting)
[1] Worktop thickness labelling (in mm)
[2] Cut mark (4x)
[3] Fastening lugs (2 on each side)
[4] Marking for flush mounting
4
3
2
1
Fig. 6.13 Mounting clamp on left (surface mounting)
[1] Worktop thickness labelling (in mm)
[2] Cut mark (4x)
[3] Fastening lugs (2 on each side)
[4] Marking for surface mounting
INFO The symbols on the mounting clamps show
which side to use for surface mounting and for
flush-mounting.
INFO The labels shows the cutting mark to go with
the worktop thickness.
If necessary, shorten the mounting clamps in line with
the worktop thickness.
To do this, cut the mounting clamps at the appropriate
cut marks using a cutter.
1
2
Fig. 6.10 Height adjustment plates
[1] Height adjustment plate
[2] Cooktop extractor
If applicable, insert the height adjustment plates [1].
0,5
21 1
Fig. 6.11 Installing the cooktop extractor
[1] Cooktop
[2] Cooktop extractor
The cooktop extractor [2] must be installed 0.5 mm
higher than the cooktops [1].
6.5.3 Securing the cooktop extractor
The cooktop extractor is secured using the four mounting
brackets provided. The mounting brackets have offset
fastening lugs, with one side for surface mounting and
one for flush mounting. The mounting clamps can be
adjusted to the thickness of the worktop.
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Use a Torx 20 screwdriver to tighten the mounting
clamps slightly from underneath.
Verify that the alignment is correct.
Once all of the installation work is complete, seal the
device with black, heat-resistant silicone sealant.
6.5.4 Duct connection dimensions
245
294
89
126
Fig. 6.16 PKA duct connection dimensions with angled ducting
piece
245
270
126
89
Fig. 6.17 PKA duct connection dimensions with straight ducting
piece
265
Fig. 6.18 PKA duct connection dimensions with straight ducting
piece
Depending on the installation type, twist the mounting
clamps to the left or right (flush mounting or surface
mounting).
Securing the cooktop extractor
INFO The cooktop extractor is secured using the four
mounting clamps provided, for which there are
4 alternative positions on the holding plate.
23 1
Fig. 6.14 Push on mounting clamps
[1] Alternative position for mounting clamp
[2] mounting clamp
[3] Cooktop extractor
Push the mounting clamps [2] into the holders
provided on the cooktop extractor [3] or the alternative
positions on the holding plate [1].
Fig. 6.15 Tighten the mounting clamps
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