Installation Guide

EN
28
Installation
www.bora.com
Example of a standard set-up 
1 2 3 4
5
6
7
Fig. 4.28  Cooktop extractor CKA2 standard set-up
[1]  Cooktop extractor CKA2
[2]  Connection module with built-in adapter panel
[3]  90° bend
[4]  BORA Ecotube 90° bend shallow vertical EFBV90
[5]  BORA shallow silencer USDF
[6]  BORA Ecotube transition piece shallow round offset EFRV
[7]  BORA plinth fan ULS
 Attach the 90° bend [3] to the connection module with 
built-in adapter panel [2].
 Position the plinth fan [7].
To facilitate positioning, the inlet nozzle on the plinth 
fan can be removed. To do this, please see the 
assembly instructions for the BORA plinth fan ULS.
 Connect the shallow silencer USDF [5] to the BORA 
Ecotube transition piece EFRV [6].
 Secure the shallow silencer using the mounting 
brackets included in the scope of delivery.
Securing the shallow silencer prevents a force effect 
on the cooktop extractor during further assembly of 
the duct system.
 Ensure that all connections are provided with suitable 
BORA Ecotube seals and that the seals are airtight.
You can optimally stick the connections between the 
ducting sections and the plinth fan together with UDB 
sealing tape.
4.10.2 Installing the additional fan
INFO  The maximum exhaust air duct length with a fan is 
6 m.
 Install an additional fan in the exhaust duct if 
necessary.
 Ensure that a minimum clearance of 3 m is maintained 
between the fan units. 
 Use only BORA Universal fans.
If additional fans are installed at a later date:
 When installing additional fans at a later date, carry out 
the initial operation procedure (see Initial operation).
In the basic configuration, any fans installed at a 
later date are automatically recognised provided that 
they have been connected correctly. The system 
configuration is adjusted accordingly. 
4.11  Installing the cooktops
INFO  Clearance of one millimetre should be planned 
between the appliances.
INFO  In the case of flush installation, a clearance of 
two millimetres should be planned around the 
appliances.
Cross bars on the kitchen unit in the area of the 
worktop cut-out may need to be removed.
The drawers and/or shelves in the floor unit must be 
removable for maintenance and cleaning purposes.
In the case of induction appliances, make sure that the 
area below the cooktop is sufficiently ventilated. There 
should be an opening cross-section > 50 cm² at the 
front side and in the false floor for ventilation.
4.11.1 Fitting and positioning the cooktops
1
2
Fig. 4.29  Cooktopttednexttothecooktopextractor
[1]  Cooktop extractor
[2]  Cooktop
 Place the cooktop [2] next to the centrally-positioned 
cooktop extractor [1].
 Align the cooktop [2] exactly.
 Push the cooktop [2] right up to the cooktop extractor 
[1].
When the cooktop is pushed up against the side of the 
cooktop extractor, spacers automatically provide the 
prescribed 1 mm clearance.










