Schako BKA-EN Service manual

SCHAKO | Ferdinand Schad KG Phone [phone]
Steigstraße 25-27 Fax [phone]
D-78600 Kolbingen schako.com | [email protected]
Fig.: BKA-EN with B10 drive
USABILITY CERTIFICATES
• Declaration of Performance
DoP-BKA-EN-2020-07-10
CLASSIFICATION AND STANDARDS
• Classification
according to EN 13501-3, depending on the
mounting situation EI 30 (ve, i↔o) S to EI 90
(ve, ho i↔o) S
• Product standard
EN 15650
• Test standard
EN 1366-2
PERFORMANCE DATA
• For automatic locking of fire lobbies
• For use or connection of a smoke release device
with abZ (e.g. SCHAKO smoke detection system
RMS) in connection with suitable release de-
vices (e.g. spring return actuator)
SPECIAL FEATURES
• ATEX version available (at an extra charge)
• Extensive uses and applications
• Large free cross-sections
• For optimum integration into the building con-
trol system via the SCHAKO EasyBus signalling
and switching bus system or the SCHAKO BKSYS
fire damper mini-controller
BKA-EN
Fire damper
Technical Documentation
"Installation, Mounting and Operating Instruc-

Fire damper BKA-EN
Technical documentation
Table of Contents
Construction subject to change
No return possible Version: 2020-07-10 | Page 2
TABLE OF CONTENTS
Table of Contents ........................................................ 2
Description .................................................................. 3
Models and dimensions .............................................. 4
Installation in solid walls ............................................. 8
Wet installation of a fire damper, complete mortar
lining ........................................................................... 9
Wet installation at a reduced distance "flange to
flange" ......................................................................... 9
Wet installation with rigid ceiling connection, partial
mortar lining ............................................................... 9
Wet installation with installation kit type GDA, flexible
ceiling connection ..................................................... 10
Dry installation with soft seal ................................... 12
Dry installation with mounting kit type AS-E1 .......... 14
Installation in solid ceilings ....................................... 16
Wet installation of a fire damper, complete mortar
lining ......................................................................... 16
Installation at a reduced distance "flange to flange" 16
Wet installation with concrete base ......................... 17
Installation in lightweight partition walls with metal
posts ......................................................................... 19
Lightweight partition walls with panelling on both
sides and wall thickness W ≥ 100 mm ...................... 19
Wet installation of a fire damper, complete mortar
lining ......................................................................... 19
Wet installation of a fire damper under a solid ceiling,
complete mortar lining ............................................. 20
Dry installation of a fire damper ............................... 21
Dry installation of a fire damper directly under a solid
ceiling with "mineral wool inlay" .............................. 23
Dry installation with installation frame type ER-A1 .. 24
Dry installation with installation kit type GDL, flexible
ceiling connection ..................................................... 27
Dry installation with soft seal ................................... 30
Lightweight partition walls (F30/F60) with panelling on
both sides and wall thickness W ≥ 75 mm ................ 33
Dry installation of a fire damper ............................... 33
Lightweight partition walls with panelling on one side
and wall thickness W ≥ 125 mm ............................... 34
Wet installation of a fire damper .............................. 34
Installation information ............................................ 36
Technical data ........................................................... 38
Accessories ............................................................... 50
Limit switch ............................................................... 50
Spring return actuators ............................................. 51
Pneumatic swivel drives ........................................... 58
Magnets .................................................................... 59
Add-on parts ............................................................. 60
Order code ................................................................ 64
Specification texts ..................................................... 68
Service ....................................................................... 71
Foreign branch offices .............................................. 77
List of figures/tables/diagrams ................................. 78

Fire damper BKA-EN
Technical documentation
Description
Construction subject to change
No return possible Version: 2020-07-10 | Page 3
DESCRIPTION
Fire dampers built into ventilation ducts (air-conditioning
systems) are used for the automatic locking of fire lobbies.
The fire damper BKA-EN conforms to EN 15650, EN 13501-3
and EN 1366-2.
The BKA-EN has been tested in compliance with EN 1366-2 ac-
cording to the Declaration of performance no.
DoP-BKA-EN-2020-07-10. Its classification according to EN
13501-3 is EI 30 (ve, i↔o) S to EI 90 (ve, ho i↔o) S.
According to Directive 2014/34/EU, EC Certificate of Confor-
mity number EPS 09 ATEX 2 153 X, its use in areas subject to
explosion hazards is permitted, not only with spring return ac-
tuator ExMax-5.10-BF (X10 - X15), including safety tempera-
ture limiter (FireSafe or ExPro-TT), but also with mechanical
trigger via fusible link (manual actuation with or without ATEX
limit switch ES-Ex). The fire damper is marked as follows ac-
cording to ATEX:
*) when using the safety temperature limiter FireSafe.
The national standards and guidelines must be observed in
connection with this technical documentation "Installation,
mounting and operating instructions". Further information on
ATEX can be found in the additional BKA-EN operating in-
structions according to ATEX 2014/34/EU.
For functional tests, service, retrofitting, etc., inspection ope-
nings must be provided on site in suspended ceilings, shaft
walls, connected ventilation ducts, etc., if necessary. They
must be built in in sufficient numbers and sizes and must not
impair the functioning of the fire dampers.
The fire dampers must be connected to the ventilation system
by means of ventilation ducts either on one or on both sides.
When connected on one side, finishing protective gratings
made of non-flammable building materials (EN13501-1) must
be provided on the opposite side.
The fire dampers can be connected to non-flammable and
flammable ventilation ducts as well as to flexible spigots.
 Housing made of galvanised sheet steel (standard)
optionally (at an extra charge):
 Housing from stainless steel material no. 1.4301 or 1.4571 (re-
placeable, non-coated parts are made of stainless steel mate-
rial no. 1.4301)
 Housing with DD coating (two-component top coat based on
polyurethane varnish) inside or inside and outside (replace-
able, non-coated parts and the U-profile of the damper blade
are made of stainless steel material no. 1.4301)
 Moulded connection flanges with centre hole, corner angle
with long hole for simple duct mounting and high stability
 Thermal insulation made of silicate boards
Damper blade made of glass-fibre-reinforced abrasion-re-
sistant lightweight concrete
 Optionally (at an extra charge): damper blade lined with sheet
steel (galvanised) / DD coating (RAL 7035 / light-grey)
 Cold and hot leakage requirements according to EN 1366-
2 are met by means of circumferential rubber and intu-
mescent seals.
 Horizontal or vertical position of the damper blade axle
(depending on the mounting situation).
 The installation position is independent of the air flow di-
rection.
 Thermal trigger via fusible link 72°C or 98°C
 Optionally (at an extra charge) by means of electrical,
magnetic or pneumatic release devices
 with two inspection openings on opposite sides
 Use: max. operating pressure of 1000 Pa at vstirn ≤ 10 m/s
 Housing leakage according to EN 1751 class B
 Use or connection of a smoke trigger device with general
building supervisory approval (e.g. SCHAKO smoke detec-
tion system RMS, see technical documentation smoke de-
tection system RMS) in connection with suitable electric,
magnetic (magnetic clamp) or pneumatic release devices
of the fire damper is possible; only release devices work-
ing by the "currentless closed/depressurised open" prin-
ciple may be connected to the RMS system; the propaga-
tion of fire and smoke is effectively prevented. Optimal
integration into the building control system by means of
the SCHAKO EasyBus signalling and switching bus system
(see technical documentation EasyBus) or the SCHAKO
fire damper mini-controller BKSYS (see technical docu-
mentation BKSYS).
Attention
Building systems have to be arranged, installed, changed and
maintained in such a way that they prevent fire and propaga-
tion of fire and smoke (fire propagation) and allow evacuation
of people and animals as well as efficient fire extinguishing
work.
Smoke propagation through the air-conditioning and ventila-
tion system can be prevented for example by means of fire
dampers and spring return actuators in combination with ap-
proved smoke detector devices (e.g. SCHAKO smoke detec-
tion system RMS).
II 2 G Ex h IIC T6 Gb
II 2 D Ex h IIIC T80°C Db
II 3 D Ex h IIIC T80°C Dc
*)
EPS 09 ATEX 2 153 X

Fire damper BKA-EN
Technical documentation
Models and dimensions
Construction subject to change
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MODELS AND DIMENSIONS
Dimensions
Figure 1: Dimensions BKA-EN
1 Fire damper BKA-EN
2 Damper blade
3 Hand lever
4 Locking profile
5 release device
6 Fusible link
7 Inspection openings on opposite sides
B < 800  x = B/2
B ≥ 800  x
~
260mm
y
~
100mm from the connection flange
8 actuator unit
Table 1 : Available sizes
- Housing length L = 375 or 500 mm (standard).
- All width and height dimensions can be combined.
- Trigger device always on H side.
- Inspection opening always on B side.
- On request, the width and height dimensions (B, H) are
available in steps of 10 mm.
B H
200 200
225 225
250 250
275 275
300 300
325 325
350 350
375 375
400 400
450 450
500 500
550 550
600 600
650 650
700 700
750 750
800 800
900
1000
1100
1200
1300
1400
1500
OPE
CLO

Fire damper BKA-EN
Technical documentation
Models and dimensions
Construction subject to change
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Frame bores
Detail Z
Figure 2: Frame bores
Damper blade projecting ends
Figure 3: Damper blade projecting ends
"a" = 50 mm: Minimum distance between the front edge of
the open damper blade and the finishing protective grating
(ASG), the flexible connection piece (FS) or the duct connec-
tion spigot (RS).
SCHAKO ASG/VT/FS/RS: Flange holes suitable for BKA-EN
Operating
side Non-operating side (NBS)
H (BS) L=375 L=500
200 154
x
21 * y 146
y
225 142 9 * 134
250 129 4 *
y1
121
275 117 17 * 109
300 104 29 * 96
325 92 42 * 84
350 79 54 * 71
375 67 67 * 59
400 54 79 * 46 *
450 29 * 104 * 21 *
500 4* 129 * 4 *
y1
550 21 *
x1
154 * 29 *
600 46 * 179 * 54 *
650 71 * 204 * 79 *
700 96 * 229 * 104 *
750 121 * 254 * 129 *
800 146 * 279 * 154 *
* Extension piece (VT) necessary
Table 2: Damper blade projecting ends
Connection flange with additional
long holes 9.5 x 16 mm
Corner angle with long hole
Suitable for screws e.g. M8 with U-washer

Fire damper BKA-EN
Technical documentation
Models and dimensions
Construction subject to change
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Use
The fire damper type BKA-EN can be installed as shown in the following tables.
Use Installa-
tion Material/Model
Minimum
thickness
[mm]
Minimum distance
[mm]
Fire resistance
class
Messages
Page °
WALL
solid;
apparent
density ≥450
kg/m³
in
Wet installation in, for example, concrete;
masonry according to EN 1996 or DIN 1053;
solid plaster wall boards according to EN
12859
100
next to each other:
70 1)
EI 90 (ve, i↔o) S 8
Wall: 40
Ceiling: 40
Wet installation with additional installation
kit type GDA 3) in, for example, concrete;
masonry according to EN 1996 or DIN 1053;
solid plaster wall boards according to EN
12859, in the area of flexible ceiling
connections 6)
100
next to each other:
200
EI 90 (ve, i↔o) S 10
Wall: 75
Ceiling: 90
Dry installation with Hilti soft seal system
in, for example, concrete; masonry accord-
ing to EN 1996 or DIN 1053; solid plaster
wall boards according to EN 12859 6)
100
next to each other:
200
EI 90 (ve, i↔o) S 12
Wall: 75
Ceiling: 75
on
Dry installation with additional mounting
kit type AS-E1 3) on, for example, concrete;
masonry according to EN 1996 or DIN 1053;
solid plaster wall boards according to EN
12859
100
280 or 360 4)
EI 90 (ve, i↔o) S 14
Wall: 220 2)
Ceiling: 140 2)
Lightweight
partition
wall;
classification
according to
EN 13501-2
or similar na-
tional stan-
dards
in
Wet or dry installation in lightweight parti-
tion walls with metal posts and panelling on
both sides 6)
100
next to each other:
200 EI 90 (ve, i↔o) S 19
Wall: 90 2)
Ceiling: 80 2)
Dry installation with additional installation
frame type ER-A1 in lightweight partition
walls with metal posts and panelling on
both sides 6)
100
next to each other:
200 EI 90 (ve, i↔o) S 24
Wall: 110 2)
Ceiling: 110 2)
Dry installation with additional installation
frame type GDL 7) in lightweight partition
walls with metal posts and panelling on
both sides, in the area of flexible ceiling
connections 3) 6)
100
next to each other:
280 2)
EI 90 (ve, i↔o) S 27
Wall: 190 2)
Ceiling: 40
Dry installation with Hilti soft seal system in
lightweight partition walls with metal posts
and panelling on both sides 6)
100
next to each other:
200 EI 90 (ve, i↔o) S 30
Wall: 113/125 2)
Ceiling: 103/115 2)
Dry installation in lightweight partition
walls with metal posts and panelling on
both sides 6)
75
next to each other:
200 EI 30 (ve, i↔o) S
EI 60 (ve, i↔o) S 33
Wall: 90 2)
Ceiling: 80 2)
Wet installation in lightweight partition
walls with metal posts and panelling on one
side 6)
125 8)
next to each other:
200 EI 90 (ve, i↔o) S 34
Wall: 90 2)
Ceiling: 90 2)
CEILING
solid;
apparent
density ≥500
kg/m³
in Wet installation in, for example, concrete;
aerated concrete 125 from one another: 70 EI 90 (ho, i↔o) S 16
Wall: 40
on 5) Wet installation with concrete base on, for
example, concrete; aerated concrete 125 from one another: 70 EI 90 (ho, i↔o) S 17
Wall: 100 2)
Table 3: Usability
Additional note:
It may also be installed in and on walls or in and on ceilings of a lower fire resistance class. In this case, however, the fire resistance
class of the fire damper is reduced. The conditions listed above must be taken into account.
1) If mineral wool is used between the fire dampers, the distance between them is 80 mm.
2) Due to the design or installation.
3) The additional frame (installation/mounting kit) can only be used with BKA-EN L=375.
4) Depending on the mounting position (see installation details).
5) Installation only in combination with a concrete base still to be made on site.
6) For each fire damper, a separate installation opening must be provided.
7) The version of the installation kit type GDL depends on the web height of the selected metal post profiles (CW/UW; single
stud structure) of the wall and must be considered and specified when ordering and selecting the installation kit type GDL.
8) Maximum wall height ≤ 5000 mm.

Fire damper BKA-EN
Technical documentation
Models and dimensions
Construction subject to change
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General information
 During mounting or installation, there is a risk of injuries.
To avoid any possible injuries, personal protective
equipment (PPE) must be worn.
 Fire dampers must be installed such that external forces
do not impair their permanent functioning.
 Ventilation ducts must not exert significant forces on
walls, supports or ceilings and thus also on fire dampers
as a result of thermal expansion (in case of fire).
Appropriate compensation measures, such as the arran-
gement of flexible spigots (SCHAKO type FS) or a suitable
duct routing (duct angles and distortions), must be taken
as required. National regulations must be observed and
adhered to.
 Prior to installing the fire damper, the possible connec-
tions of the ventilation ducts must be checked. Extension
parts (on site or as accessories SCHAKO type VT) might be
necessary, e.g. for large wall and ceiling thicknesses.
When connecting duct components, a fastening type
must be selected that causes no damage to the fire dam-
per or its accessories.
 During mounting it may be required to provide reinforce-
ments for the housing or the like.
 The requirement of statically load-bearing lintels may
have to be taken into consideration.
 In case of partial mortar lining (not on all four sides) of a
fire damper, installation and mounting aids on site must
be removed.
 Improper transport/handling may result in damage/func-
tional impairment. In addition to that, the film of the
transport packaging must be removed and the delivery in-
spected for completeness.
 In storage, fire dampers must be protected from dust,
dirt, moisture and the effects of temperature (e.g. direct
sunlight, heat-emitting light source, etc.). They must not
be exposed to direct effects of the weather and must not
be stored below -20 °C or above 50 °C.
 The fire damper must be protected from dirt and damage.
After installation is complete, any dirt must be removed
immediately.
 Enough space must be provided for installation, mortar li-
ning, etc.
 Carry out a functional check of the fire damper before and
after mounting and ensure ready access.
 Electrical installation or work on electrical components
may only be carried out by skilled electricians. The supply
voltage must be switched off when performing this work
and secured against being switched on again.
 We would like to point out that only suitable cleaning ma-
terials may be used to clean the stainless steel version of
fire dampers!
Minimum distances or projecting ends
The dimensions given must be considered an installation
recommendation for the BKA-EN and may differ, depending
on the local situation.
To guarantee fire protection, the fire damper must be instal-
led in accordance with the technical documentation, installa-
tion, mounting and operating instructions.
The inspection openings of the fire damper must be freely ac-
cessible, otherwise these inspection openings must be provi-
ded in the connected ventilation ducts in the immediate pro-
ximity. This must be ensured in particular when at least 2 fire
dampers are installed next to each other or below each other
in the immediate proximity of adjacent components.
Installation with horizontal damper axle:
Installation with horizontal or vertical damper axle:
Figure 4: Minimum distances to walls, ceilings and between
fire dampers
1) Minimum distance recommended by SCHAKO for suf-
ficient accessibility
2) The distance between the fire damper and adjacent
components (ceiling/wall) must be determined accord-
ing to the respective installation situation.
3) In solid walls and solid ceilings, max. 2 BKA-EN can be
installed at a reduced distance "flange-to-flange". This
may lead to a situation in which the inspection ope-
nings are no longer freely accessible. In other installa-
tion situations, the distance may become larger as a re-
sult of construction. Sufficient distance between the
mounted components must be guaranteed.
The dimension y is:
- max. approx. 100 mm with explosion-protected
spring return actuator ExMax-5.10-BF (X10 -X15)

Fire damper BKA-EN
Technical documentation
Installation in solid walls
Construction subject to change
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The dimension x is:
- approx. 85 mm with manual release, magnetic
clamps MH1/MH2, pulse magnets MI1/MI2, spring
return actuators S00/S01/S10/S11/S20/S21
- approx. 90 mm with spring return actuators
B10/B11/B20/B21/B32/B33/B42
- max. approx. 170 mm with explosion-protected
spring return actuator ExMax-5.10-BF (X10 - X15)
- approx. 175 mm with pneumatics (without limit
switch)
Wet installation (mortar lining)
 If the installation of the fire damper is carried out by mor-
tar lining, it must be completely filled with mortar of class
M 10 to M 15 according to EN 998-2 or fire protection
mortar of suitable grades or with concrete or plaster mor-
tar suitable for the wall or ceiling type.
 If the fire damper is installed during the construction of
the wall/ceiling, the annular gap size can be smaller as
specified.
 The mortar bed depth must be designed according to the
minimum wall or ceiling thickness and may not be less
than this thickness.
 The mortar lining must be executed such that it is perma-
nent. The information given by the mortar manufacturer
must be observed.
INSTALLATION IN SOLID WALLS
 Installation in solid walls (shaft walls, shafts, ducts and fire
walls) made of, for example, concrete; masonry according
to EN 1996 or DIN 1053; solid plaster board walls according
to EN 12859; apparent density ≥ 450 kg/m³ and wall thick-
ness W ≥ 100 mm.
Installation positions
Side view for large wall thicknesses
Figure 5: Installation positions in solid walls
Ventilation duct or
extension piece
Top Bot-
tom

Fire damper BKA-EN
Technical documentation
Installation in solid walls
Construction subject to change
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Wet installation of a fire damper, complete mor-
tar lining
 The minimum distance of fire dampers from one another
must be at least 70 mm.
 The minimum distance to adjacent components (wall/cei-
ling) is 40 mm.
Figure 6: Annular gap size for complete mortar lining in so-
lid walls
Wet installation at a reduced distance "flange to
flange"
Installation of max. 2 BKA-EN next to or below each other in
an installation opening in solid walls at a reduced distance
"flange-to-flange". All annular gaps have to be filled with mor-
tar. Alternatively, at a distance of 80 mm from each other, mi-
neral wool (2x40 mm; non-flammable (EN 13501-1), melting
point ≥ 1000°C, ρ ≥ 150 kg/m3) can be used as an annular gap
closure between the two BKA-EN.
 The minimum distance to adjacent components (wall/cei-
ling) is 40 mm.
Installation below each other
Figure 7: Installation in solid walls at a reduced distance
"flange-to-flange" , below each other
Installation next to each other
Figure 8: Installation in solid walls at a reduced distance
"flange-to-flange", next to each other
Wet installation with rigid ceiling connection,
partial mortar lining
 Installation on adjacent walls and/or ceilings with approp-
riate annular gap sizes ≤ 50 mm. The annular gap must be
closed with non-flammable mineral wool (EN13501-1, ap-
parent density ≥ 150 kg/m³, melting point ≥ 1000 °C) across
the entire housing length. Apply the mortar up to the ad-
jacent wall or ceiling.
Figure 9: Installation (partial mortar lining) in solid walls
with rigid ceiling connection
W

Fire damper BKA-EN
Technical documentation
Installation in solid walls
Construction subject to change
No return possible Version: 2020-07-10 | Page 10
Wet installation with installation kit type GDA,
flexible ceiling connection
• If the installation kit type GDA is used, only a BKA-EN
with a housing length of L=375 is possible.
• Installation with installation kit type GDA in the area of
flexible ceiling connections (flexibility/ceiling bending ≤
20 mm).
The installation kit type GDA (pos. 35) or the optional
doubling (pos. 36) must be positioned at the same
height as the wall head area (see Figure 10; “x“), the
mineral wool will be pressed.
• Steel profiles belonging to the wall in the wall head
area must be interrupted in the installation area of the
fire damper.
• When installed next to each other, the distance of the
fire dampers to one another must be at least 200 mm
and they must be mounted in separated installation o-
penings
• The distance to adjacent components is (due to the de-
sign) at least approx. 90 mm from the solid ceiling and
approx. 75 mm from the wall.
• Exclusively horizontal position of the damper blade
axle.
• The installation kit type GDA including mineral wool is
an accessory (extra charge) and must be ordered sepa-
rately.
In the figure: Installation kit type GDA (pos. 35) with additional
doubling (pos. 36, optional)
Figure 10: Installation opening
*optional
Figure 11: Installation in solid walls with installation
kit type GDA
1 Fire damper BKA-EN
11.1 Mineral wool (according to the wall manufacturer's spe-
cifications)
13.1 Mortar; annular gap ≤ 150 mm, on three sides (bottom, left,
right)
15 Solid wall
16 Solid ceiling
35 Installation kit type GDA including mineral wool (non-
flammable
according to EN13501-1, apparent density approx. 30
kg/m³, melting point
≥ 1000 °C)
36 Optional calcium silicate plate provided on site (apparent
density approx.
870 kg/m³)

Fire damper BKA-EN
Technical documentation
Installation in solid walls
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Figure 12: Distance to the solid ceiling
Installation procedure:
 The fire damper (pos. 1) is installed after the construc-
tion of the wall and the correct installation opening.
 The ground (bottom side of the ceiling) must be even, big-
ger unevenness must be levelled (e.g. plaster filling).
 Prior to the installation, the mineral wool of the installa-
tion kit type GDA (pos. 35) has to be cut to the correct
length according to the existing installation opening and
must be placed on the installation kit type GDA.
 Place the installation kit type GDA in the installation ope-
ning in the solid wall (pos. 15) so that it is perpendicular
and flush.
 The installation kit type GDA (pos. 35) or the optional
doubling (pos. 36) must be positioned at the same height
as the wall head area (see Figure 10; “x“), the mineral
wool will be pressed. The doubling allows a height ad-
justment of up to 30 mm.
 Distance between housing and wall head (see fig. 8) > 90
mm: version with lintel (statically active) is required (see
p. 9 Figure 6: Annular gap size for complete mortar lining
in solid walls). The installation kit type GDA is not used
here.
 Fill the annular gaps on the other three sides (bottom,
left, right)
with mortar (pos.13).

Fire damper BKA-EN
Technical documentation
Installation in solid walls
Construction subject to change
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Dry installation with soft seal
 The fire damper must be permanently suspended from the
solid ceiling on both sides of the wall (see page 37). Suspen-
sion angle (pos. 38) for fire damper available as accessory
at an extra charge.
 With an annular gap of 50 - 100 mm, the fire damper must
be installed together with the firestop boards. Mounting of
the firestop boards after installation of the fire damper (in-
stallation dimension 210 mm) is possible starting with an
annular gap of about 100 mm.
 The minimum distance between the fire dampers for instal-
lation side by side must be at least 200 mm (note: each fire
damper must be installed in a separate installation ope-
ning)
 The distance to adjacent components (wall/ceiling) is at
least 75 mm.
Soft seal system
Permissible soft seal system (provided on site):
Manufacturer Hilti
• Firestop boards CFS-CT B 1S 140/50
• Firestop coating CFS-CT
• Firestop sealant CFS-S ACR
In general, the specifications and processing guidelines of
the soft seal manufacturer (in particular the maximum seal
dimensions) must be observed.
Dimensions of the min./max. annular gap
Figure 13: Installation example vertical damper blade
Figure 14: Installation example horizontal damper blade
 *) ≙ max. seal dimensions according to the manu-
facturer's specifications Hilti
Sectional view for wall thickness = 100 mm
Figure 15:
Installation in solid wall (wall thickness = 100 mm)

Fire damper BKA-EN
Technical documentation
Installation in solid walls
Construction subject to change
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Sectional view for wall thickness > 100 mm
Figure 16: Installation in solid wall (wall thickness
> 100 mm)
1 Fire damper BKA-EN
15 Solid wall
16 Solid ceiling
37 Hilti soft seal system (ETA-11/0429):
37.1 Firestop boards CFS-CT B 1S 140/50
37.2 Firestop coating CFS-CT
(circumferential width ≥ 25 mm, t ≥ 2.5mm)
37.3 Firestop sealant CFS-S ACR
38 Suspension angle
(accessory at an extra charge: 1 set = 4 units/BKA-EN)
39 Suspension
Installation procedure:
 The fire damper (pos. 1) is installed in the intended installa-
tion opening after the construction of the wall.
 The annular gap between the fire damper housing and the
reveal of the installation opening must be min. 50 mm and
max. 500 mm. The fire damper must be placed in the instal-
lation opening in accordance with the annular gap sizes
mentioned above. The installation dimension of 210 mm on
the operating side has to be compiled with. The annular gap
must be sealed with two layers of firestop boards
(pos. 37.1) of the Hilti soft seal system (see p. 12, among
others). With an annular gap of 50 - 100 mm, the fire dam-
per must be installed together with the firestop boards.
The firestop boards have to be cut precisely with accurate
contours so that they are positioned tightly over the
entire surface. All gaps (between the firestop boards and
the reveal of the installation opening, between the fire-
stop boards and the fire damper) as well as the face area
and the cut surface of the boards must be covered with
the firestop sealant (pos. 37.3) and sealed. In general, the
specifications and processing guidelines of the soft seal
manufacturer must be observed.
 The fire damper is suspended from the operating and
non-operating side by means of four angles (pos. 38). The
angles are available as accessories (at an extra charge)
and are mounted on site. For further information on the
suspension, see page 37.
• Once the mounting of the soft seal system is completed,
the firestop coating (pos. 37.2) must be applied circum-
ferentially with a width of ≥ 25 mm and a thickness of
≥ 2.5 mm on the operating and non-operating side of the
fire damper housing.

Fire damper BKA-EN
Technical documentation
Installation in solid walls
Construction subject to change
No return possible Version: 2020-07-10 | Page 14
Dry installation with mounting kit type AS-E1
• If the mounting kit type AS-E1 is used, only a BKA-EN with a
housing length of L=375 is possible.
 The clear wall recess must correspond to the nominal di-
mensions of the BKA-EN (width(B) x height(H)) to be instal-
led.
 The minimum distance between the fire dampers for instal-
lation side by side is at least 360 mm and at least 280 mm
for installation one below the other.
 The minimum distance to adjacent components is (due to
the installation) at least 140 mm (ceiling) or at least 220 mm
(wall).
 Exclusively horizontal position of the damper blade axle
General note:
Due to the wide range of different fire damper types (manu-
facturers, models, etc.), a general procedure in case of a
reconstruction cannot be described. A thorough technical cla-
rification in preparation of the reconstruction is therefore re-
quired.
As a matter of principle, the existing fire dampers in solid walls
must be circumferentially filled with mortar and mounted at
a sufficient distance from adjacent components and third-
party systems. Additionally, a minimum distance between the
fire damper housings (installation "flange to flange" is not
possible) must be maintained. A circumferential distance (see
above) around the BKA-EN including the mounting kit type AS-
E1 is required. When installing, for example, 2 fire dampers
next to each other, the distance between them (measured
from the BKA-EN housing) must be at least 360 mm.
When installing a new fire damper at the place of an already
existing one, the housing of the fire damper protruding from
the solid wall must be cut so that it is flush with the wall.
Furthermore, the duct cross-section must be to 100% free,
that means that all installation and mounting parts such as in-
ner rods, damper blades, profiled seals, brackets etc. must be
removed in order to guarantee that the damper blade of the
new BKA-EN fire damper including the mounting kit type AS-
E1 can move freely. Make sure that there is nothing left that
may affect the function of the new fire damper. The joining
plate of the type AS-E1 must be fastened to the housing of the
fire damper put out of service using sheet-metal screws (e.g.
4.2 x 13 - provided on site). The old labels of the fire damper
(e.g. type approval number), spring return actuators, hand le-
vers etc. must be removed.
If there are empty spaces or gaps in the mortar area of the
damper blade axle (hand lever case) after having dismounted
outer mounting parts (e.g. hand lever with leg spring), these
cavities must be filled with mortar of the respective quality
class before installing the BKA-EN and the mounting kit type
AS-E1.
Figure 17: Installation on solid wall with mounting kit
type AS-E1, view
Figure 18: Installation on solid wall with mounting kit type AS-
E1
The pos. 40.1 - 40.10 are included in the delivery of the mounting kit
type AS-E1 (pos. 40).
1 Fire damper BKA-EN (L=375)
40.1 Joining plate (steel sheet frame)
40.2 HUS-P screw-in anchor ø 6 x 60 mm
40.3 M6 cap nuts/U-washers 40.8 HUS-H screw-in anchor
40.4 Frame made of silicate boards ø 6 x 100 mm
40.5 Screws ø 4 x 80 mm 40.9 Screen
40.6 Mineral wool strips 40.10 Screws ø 4 x 40 mm
40.7 Collar made of silicate boards

Fire damper BKA-EN
Technical documentation
Installation in solid walls
Construction subject to change
No return possible Version: 2020-07-10 | Page 15
Figure 19: Side view (section) BKA-EN with mounting kit
type AS-E1, mounted
Installation procedure
A wall recess having the size (nominal width and height) of the
fire damper BKA-EN to be installed must be made. Apply the
sealing composition (included in the delivery of the mounting
kit type AS-E1) on the joining plate (pos. 40.1; steel frame -
wall side). Insert the joining plate in the wall recess having the
dimensions of the fire damper (width (B) and height (H)) and
fasten it to the wall using HUS-P screw-in anchors 6 x 60 mm
(pos. 40.2; ø 6 mm predrilled).
Apply the sealing composition on the circumferential joining
plate of the fire damper.
Fasten the fire damper to the joining plate using M6 cap
nuts/U-washers (pos. 40.3).
Additional fastening by screwing the BK flange to the joining
plate (all four sides) using a drilling screw ø 4.2 x 19 mm (dis-
tance ≤ 150 mm).
Place the frame consisting of silicate boards (pos. 40.4) and the
mineral wool strips (pos. 40.6) on the fire damper. Screw the
corner joints of the frame (pos. 40.4) together using screws ø
4 x 80 mm (pos. 40.5).
Attach the collar made of silicate boards (pos. 40.7) so that it
is flush with the frame made of silicate board (pos. 40.4) and
the wall and screw it to the wall using HUS-H screw-in anchors
ø6 x 100 mm (pos. 40.8; predrilled ø 6 mm).
Attach the screen made of silicate boards (pos. 40.9) to the
front of the frame (pos. 40.4) using screws ø 4 x 40 mm (pos.
40.10).
The screw-in anchors mentioned above (pos. 40.2 and 40.8)
are suitable for concrete walls. For other wall types, suitable
dowels or other fastening material must be provided on site.
Also an equivalent push-through installation is possible.

Fire damper BKA-EN
Technical documentation
Installation in solid ceilings
Construction subject to change
No return possible Version: 2020-07-10 | Page 16
INSTALLATION IN SOLID CEILINGS
 Installation in solid ceilings made, for example, of concrete,
aerated concrete, apparent density ≥ 500 kg/m³ and ceiling
thickness D ≥ 125 mm.
Installation positions
Figure 20: Installation positions in solid ceilings
Wet installation of a fire damper, complete mor-
tar lining
 The minimum distance of fire dampers from one another
must be at least 70 mm.
 The minimum distance to adjacent components (wall) is 40
mm.
Figure 21: Annular gap sizes for complete mortar lining in
solid ceilings
Installation at a reduced distance "flange to
flange"
Installation of max. 2 BKA-EN next to each other in an instal-
lation opening in solid walls at a reduced distance "flange-to-
flange". All annular gaps have to be filled with mortar.
 The minimum distance to adjacent components (wall) is 40
mm.
Figure 22: Installation in solid ceilings at a reduced dis-
tance "flange-to-flange"
vertical suspended
vertical suspended
for large ceiling thicknesses

Fire damper BKA-EN
Technical documentation
Installation in solid ceilings
Construction subject to change
No return possible Version: 2020-07-10 | Page 17
Wet installation with concrete base
• Construction of a circumferential, straight reinforced con-
crete base (concrete grade: C20/25; concrete cover ≥ 35
mm; reinforcement: concrete steel BSt500S concrete
steel mats B500A). The base must be constructed circum-
ferentially with a wall thickness of at least 100 mm, mea-
sured from the housing of the fire damper. The height of
the base must be maintained up to the prescribed instal-
lation dimension (210 mm). The maximum base height is
≤ 550 mm.
The damper leaf clearance of the installed fire damper
must be guaranteed. Make sure that there is nothing left
that may affect the function of the new fire damper.
Prior to installation of the fire damper, fastening materials
(e.g. screws, press-in nuts, etc.) must be provided and at-
tached on the non-operating side for mounting duct com-
ponents or, if subsequent mounting is no longer possible,
the ventilation duct must be connected prior to installa-
tion. Alternatively, extension pieces (on site or as acces-
sories, e.g. SCHAKO type VT) can be mounted.
During the formation of the concrete base on solid cei-
lings, in addition to the constructive anti-crack reinforce-
ment, it must be ensured that the concrete base is applied
directly to the reinforced concrete ceiling or connected to
the raw ceiling.
Any separating layers (floor coverings, seals, insulations,
floating screeds, etc.) must be removed or must not be
present in this area.
During the construction of the concrete base, make sure
that the housing of the fire damper is not pressed inwards
(reinforcement).
• The distance of the fire dampers to one another (no more
than 2) must be at least 70 mm.
• If an adjacent solid component (wall) is closer than 100
mm to the housing of fire damper, the existing gap to this
component must be filled as described above. This option
becomes available if the adjacent component has F90 cha-
racteristics.
Figure 23: Installation in solid ceilings with concrete base,
top view
Figure 24: Installation in solid ceilings with concrete base
45 Horizontal reinforcement e.g. bracket (Ø 8; e ≤ 150
mm)
46 Concrete base (concrete C20/25)
47 Splice bars (Ø 8; e ≤ 500 mm; at least 4 pieces/base)
16 Solid ceiling (ceiling thickness D ≥ 125 mm; ρ ≥ 500 kg/m³)

Fire damper BKA-EN
Technical documentation
Installation in solid ceilings
Construction subject to change
No return possible Version: 2020-07-10 | Page 18
Reinforcement of the reinforced concrete upstand
(Concrete cover ≥ 35 mm; Note: Mounting reinforcement
not drawn):
- Horizontal reinforcement (pos. 45):
closed bracket Ø 8, e ≤ 150 mm or steel bar with appropriate
overlap lengths or equivalent mesh reinforcement (Q335A);
arranged in centre of base (pos. 46).
- Connecting reinforcement to the reinforced concrete ceiling,
if an annular gap is present in the immediate ceiling opening
area, it must be sealed with concrete in the appropriate
grade:
Ø 8 e ≤ 500 mm (splice bar in ceiling, pos. 47) centre of base
(=/=), but at least 4 pieces/base (arranged in the corner areas
of the base)
- Connecting reinforcement to the reinforced concrete ceiling,
if no annular gap is present in the immediate ceiling opening
area.
Ø 8 e ≤ 500 mm (splice bar in ceiling, pos. 47) centre of base
(=/=), but at least 4 pieces/base (arranged in the corner areas
of the base); to be glued into ceiling using, for example, Hilti
HIT HY 200.
Figure 25: Installation in solid ceilings with concrete base, sec-
tion

Fire damper BKA-EN
Technical documentation
Installation in lightweight partition walls with metal posts
Construction subject to change
No return possible Version: 2020-07-10 | Page 19
INSTALLATION IN LIGHTWEIGHT PARTITION
WALLS WITH METAL POSTS
LIGHTWEIGHT PARTITION WALLS WITH
PANELLING ON BOTH SIDES AND WALL
THICKNESS W ≥ 100 MM
 Installation in lightweight partition walls with metal posts
and panelling on both sides (gypsum-bonded wall boards;
wall thickness ≥ 100 mm) according to classification to EN
13501-2 or comparable national standards.
 Installation and mounting aids on site must be removed.
Wet installation of a fire damper, complete mor-
tar lining
 The minimum distance of fire dampers from one another
must be at least 200 mm.
 The minimum distance to adjacent components must be
(due to the design) at least 90 mm from the wall and at least
80 mm from the ceiling. The actual minimum distance may
slightly differ from the distances mentioned above and
must be executed and adapted as a function of the wall
connection type.
Figure 26: Metal posts with required exchange parts for
wet installation (dimensions without reveal)
*When using a reveal (pos. 20; circumferential 12.5 mm), the
opening dimensions (see Figure 26) must increased by 25 mm.
Mounting information:
In the overlap area of the exchangeable profiles, they must be
riveted, crimped or screwed once on both sides. These
connections are only for fastening the individual metal profi-
les during mounting.
Sectional view of lightweight partition wall without reveal
Sectional view of lightweight partition wall with reveal
Figure 27: Wet installation in lightweight partition wall
Installation procedure
 Mount the metal posts and the wall in accordance with the
specifications of the wall manufacturer and the required
exchange parts as shown on Figure 26.
 Leave a recess for wet installation of the BKA-EN (pos.1)
 From B > 800 mm (with horizontal damper leaf axle), on
both B sides of the exchange profiles, 2 bent perforated pla-
tes each (t ≥ 0.5 mm; width x length = 40 x 70 mm), must be
fastened as mortar anchor (pos. 14). They must be screwed
to the metal profiles at the wall centre, using one dry-wall
screw for each plate.
 Insert the BKA-EN into the wall recess (operating side - ob-
serve the installation dimension of 210 mm). Average out
the circumferential annular gap evenly between the wall
and the BKA-EN. Mount the BKA-EN with the help of
mounting suspensions, etc.
 Insert mortar (pos. 13.1) into the circumferential gap 40 mm
in width between the housing of the BKA-EN and the cir-
cumferential metal profiles (pos. 10). If reveals (pos. 20) are
used, a mortar bed depth of 100 mm is sufficient. When
using reveals, the exchange parts must be adjusted to the
recess dimensions.
Detail X
Detail Y

Fire damper BKA-EN
Technical documentation
Installation in lightweight partition walls with metal posts
Construction subject to change
No return possible Version: 2020-07-10 | Page 20
Wet installation of a fire damper under a solid
ceiling, complete mortar lining
A wet installation directly under a solid ceiling does not con-
stitute a flexible ceiling connection.
Sectional view under solid ceiling without reveal
Sectional view under solid ceiling with reveal
Figure 28: Wet installation in lightweight partition wall un-
der the solid ceiling
Installation procedure
 Mount the metal posts and the wall in accordance with the
specifications of the wall manufacturer and the required
exchange parts as shown on Figure 26. Before attaching the
UW-profile (pos. 10) necessary for the circumferential metal
profile frame to the ceiling area, a mineral wool strip of ap-
prox 50 x 40 mm (pos. 11.1) must be incorporated in the
UW-profile at the ceiling according to the wall manufac-
turer's specifications.
 Leave a recess for wet installation of the BKA-EN (pos.1)
 From B > 800 mm (with horizontal damper leaf axle), on
both B sides of the exchange profiles, 2 bent perforated pla-
tes each (t ≥ 0.5 mm; width x length = 40 x 70 mm), must be
fastened as mortar anchor (pos. 14). They must be screwed
to the metal profiles in the wall centre, using one dry-wall
screw each, and cast in concrete.
 Insert the BKA-EN into the wall recess (operating side - ob-
serve the installation dimension of 210 mm). Average out
the circumferential annular gap evenly between the wall
and the BKA-EN. Mount the BKA-EN with the help of
mounting suspensions, etc.
 Insert mortar (pos. 13.1) into the circumferential gap 40 mm
in width between the housing of the BKA-EN and the cir-
cumferential metal profiles (pos. 5). If reveals (pos. 20) are
used, a mortar bed depth of 100 mm is sufficient. When u-
sing reveals, the exchange parts must be adjusted to the re-
cess dimensions.
1 Fire damper BKA-EN
9 Profile CW 50/50/0.6 (with wall thickness = 100 mm, for lar
g e r
wall thicknesses, the profiles must be adapted
accordingly)
10 Profile UW 50/40/0.6 (with wall thickness = 100 mm, for
larger
wall thicknesses, the profiles must be adapted
accordingly)
11.1 Mineral wool (according to the wall manufacturer's spe-
cifications)
12 Panelling of the lightweight partition wall made of gypsum-
bonded
wall boards
13.1 Mortar
14 From B>800 mm, 2 mortar anchors for each B side are
required,
for installation with horizontal damper blade axle (per-
forated
plate t ≥ 0.5 mm; width x length = 40 x 70 mm; acces-
sories
at an extra charge). Not required for installation with
vertical damper blade axle.
16 Solid ceiling
20 Reveal, optional
33.1 Dry-wall screws (-on site- e.g. ø 3.5 x 25 mm)
same quantity as mortar anchors (pos. 14)
48 Thermal insulation
Detail V
Detail U