User Manual
EN
15
Installation
www.bora.com
5.4.3  Worktop and kitchen units
XX
Create the worktop cut-out taking into account the specified 
cut-out dimensions.
XX
Make sure that the cut surfaces of the worktops are properly 
sealed.
XX
Comply with the instructions of the worktop manufacturer.
XO
Cross bars on the kitchen unit in the area of the worktop cut-
out may need to be removed.
XO
No false floor is necessary below the cooktop. If cable 
protection (false floor) is planned, the following must be taken 
into account:
XO
it must be fitted in such a way that it can be removed for 
maintenance work;
XO
to ensure sufficient cooktop ventilation, a minimum 
distance of 15mm to the bottom edge of the cooktop is 
to be observed.
XO
The drawers and/or shelves in the floor unit must be 
removable.
XO
For correct installation, the drawers of the floor unit must be 
shortened depending on the installation situation.
5.5  Cut-out dimensions
 i
All dimensions are shown from the front edge of the front 
cover.
Worktop overhang
≥60
(
≥74
)
14x
Fig. 5.4  Worktop overhang
XX
Please note the worktop overhang x when creating the 
worktop cut-out. Applies to flush installation and surface 
mounting.
 i
In the case of cooktop extractor PKA3/PKA3AB 
combined with straight duct piece PKA1FEV, flush 
installation is also possible in a worktop with a depth 
≥650mm.
5.4.2  Minimum installation dimensions 
(standard set-up)
≥810
≥890
≥900
Fig. 5.2  Minimum installation dimensions for standard set-up 
of PKA3/PKA3AB
min.
 700*
min.
 74
176
900
(min.
 890)
 **
120
252
285
min.
 100
170
682
max.
 562
max.
 430
389
*
110
PKA3
 mit
 Flachschalldämpfer
 USDF,
 Flachkanalverbinder
EFV
 und
 Übergangsstück
 Versatz
 EFRV110
 (Zeile):
PKA3
 mit
 Rundschalldämpfer
 USDR50
 und
 Rundkanal-
verbinder
 ERV
 (Insel):
PKAS3
 mit
 Ecotube
 Flachkanal:
PKA3
 mit
 Flachschalldämpfer
 USDF,
 Flachkanalverbinder
EFV
 und
 Übergangsstück
 gerade
 EFRG
 (Insel):
min.
 700
min.
 74
199
min.
 100
120
691
min.
 455
58
min.
 328
max.
 580
592
152
min.
 810*
min.
 74
176
900
(min.
 890)
 **
220
min.
 100
110
760
max.
 545
219* 151*
BORA
 Professional
 3.0
BORA LÜFTU N G SFIBELXX
min.
 810*
min.
 74
176
900
(min.
 890)
 **
120
min.
 100
93
min.
 742
max.
 562
219* 151*
295
33
180
810
Fig. 5.3  Appliance installation dimensions for standard set-up 
of PKA3/PKA3AB with round silencer USDR50










