Fire dampers Type FKS-EU
FKS-EU
1.1 –
X XFKS-EUtestregistrierung
Fire dampers
1
Type FKS-EU
FKS-EU with fusible link ​
for 72 °C or 95 °C
Compact dimensions, ideal for restricted spaces
CE compliant according ​
to European regulations
Small rectangular fire damper for the isolation of duct penetrations between fire ​
compartments, available in many sizes
■■ Nominal sizes 200 × 100 to 800 × 200 mm
■■ Low differential pressure and sound power level
■■ Optional stainless steel casing or powder-coated casing for increased ​
corrosion protection
■■ Can also be used as an air transfer damper or air transfer unit
■■ Integration into the central BMS with TROXNETCOM
■■ Universal installation options
With TROXNETCOM as ​
an option
VD
H GE
■■ Duct smoke detectors
TE
ET
HY
G
I
ISC
■■ Release temperature 72/95 °C
ST
EN
Optional equipment and accessories
■■ Electric actuator 24 V/230 V
I 6022
Tested to VDI 6022
12/2015 – DE/en
K4 – 1.1 – 1
Fire dampers
General information
FKS-EU
Type
1
FKS-EU
Variants
Page
General information
Correct use
Order code
Installation block E
Cover plate B
Cover grille
Flexible connector
Extension piece
Limit switch
Spring return actuator
Spring return actuator and duct smoke detector
TROXNETCOM
Duct smoke detectors
Quick sizing
Free area and resistance coefficient
Dimensions and weight – FKS-EU
Dimensions and weight – FKS-EU/.../Z4*
Dimensions and weight – FKS-EU/.../Z**RM
Specification text
1.1 – 2
1.1 – 9
1.1 – 12
1.1 – 14
1.1 – 16
1.1 – 17
1.1 – 18
1.1 – 19
1.1 – 20
1.1 – 21
1.1 – 22
1.1 – 23
1.1 – 24
1.1 – 25
1.1 – 27
1.1 – 28
1.1 – 29
1.1 – 30
1.1 – 31
Basic information and nomenclature
1.3 – 1
FKS-EU with fusible link
FKS-EU with spring return actuator
FKS-EU with fusible link and cover grille used ​
as an air transfer unit
FKS-EU as air transfer damper
Product examples
K4 – 1.1 – 2
12/2015 – en
Fire dampers
General information
Description
FKS-EU with spring return ​
actuator
For detailed information ​
on attachments see ​
Chapter K4 – 1.2.
Application
– Fire dampers of Type FKS-EU, with CE ​marking
and declaration of performance, for t​ he
isolation of duct penetrations between fire ​
compartments in the event of a fire
– To prevent the propagation of fire and smoke ​
through ductwork to adjacent designated fire ​
compartments
Classification
– Class of performance to EN 13501-3, up to ​
EI 120 (ve, ho, i ↔ o) S
Variants
– With fusible link
– With spring return actuator
– With cover grilles both ends as air transfer unit ​
with general building inspectorate licence: Z-​
19.18-2127
– With spring return actuator and duct smoke ​
detector
– With spring return actuator, duct smoke ​
detector and cover grilles on both ends for use ​
as an air transfer opening, with general building ​
inspectorate licence Z-6.50-2231
Nominal sizes
– B × H: 200 × 100 – 800 × 200 mm (width in ​
increments of 50 mm)
– L: 300 mm
Attachments
– Limit switch for damper blade position ​
indication
– Spring return actuator for 24 V AC/DC or ​
230 V AC supply voltage
– Network module for the integration with AS-i or ​
LON networks
– Spring return actuator and pre-wired duct ​
smoke detector, 24 V or 230 V supply voltage
Accessories
– Cover plate (to keep the fire damper stable and ​
hence facilitate mortaring)
– Cover grille
– Flexible connectors
– Extension piece
– Rectangular installation block E
Useful additions
– Duct smoke detector RM-O-3-D
– Duct smoke detector with airflow monitor RM-​
O-VS-D
Special characteristics
– Declaration of performance according to ​
Construction Products Regulation
– Classification to EN 13501-3, up to EI 120 (ve, ​
ho, i ↔ o) S
– Building inspectorate licence Z-56.4212-991 ​
for fire resistance properties
– Complies with the requirements of EN 15650
– Tested to EN 1366-2 for fire resistance ​
properties
– Hygiene complies with VDI 6022 part 1 (07/​
2011), VDI 3803 (10/2002), DIN 1946 part 4 ​
(12/2008), and EN 13779 (09/2007)
12/2015 – en
FKS-EU
– Corrosion protection according to EN 15650 in ​
connection with EN 60068-2-52
– Closed blade air leakage to EN 1751, class 2
– Casing air leakage to EN 1751, class C
– Low differential pressure and sound power ​
level
– Any airflow direction
– Integration into the central BMS with ​
TROXNETCOM
Parts and characteristics
– Easy dry mortarless installation into solid walls ​
and ceiling slabs, lightweight partition walls, fire ​
walls and shaft walls using an installation block
– Release temperature 72 °C or 95 °C (for use in ​
warm air ventilation systems)
Construction features
– Rectangular or square construction, rigid ​
casing, both flanges with fixing holes ​
(System 30)
– Suitable for the connection of ducts, flexible ​
connectors or a cover grille
– The release mechanism is accessible and can ​
be tested from the outside
– Two inspection access panels
– Intermediate dimensions in 50 mm increments ​
for width
– Remote control with spring return actuator
Materials and surfaces
Casing:
– Galvanised sheet steel
– Galvanised sheet steel, powder-coated ​
RAL 7001
– Stainless steel 1.4301
Damper blade:
– Special insulation material
– Special insulation material with coating
Other components:
– Damper blade shaft in stainless steel
– Plastic bearings
– Seals of elastomer
The construction variants with stainless steel or ​
powder-coated casing meet even more critical ​
requirements for corrosion protection. Detailed ​
listing on request.
Installation and commissioning
Installion is to be carried out according to the ​
operating and installation manual
Mortar-based installation:
– In solid walls and ceiling slabs
– In lightweight partition walls and fire walls with ​
metal support structure and cladding on both ​
sides
– In shaft walls with metal support structure and ​
cladding on one side
Dry mortarless installation:
– In solid walls and ceiling slabs with installation ​
block E
K4 – 1.1 – 3
1
Fire dampers
General information
FKS-EU
– In lightweight partition walls with metal support ​
structure and cladding on both sides: with ​
installation block E
– In shaft walls with metal support structure and ​
cladding on one side with installation block E
1
Standards and guidelines
– Construction Products Regulation
– EN 15650:2010 Ventilation for buildings – Fire ​
dampers
– EN 1366-2:1999 Fire resistance tests for ​
service installations – Fire dampers
– EN 13501-3:2010 Fire classification of ​
construction products and building elements
– EN 1751:1999 Ventilation for buildings – Air ​
terminal devices
Maintenance
Technical data
K4 – 1.1 – 4
Nominal sizes
Casing length
Volume flow rate range
Differential pressure range
Operating temperature
Release temperature
Upstream velocity*
– The functional reliability of the fire damper must ​
be tested at least every six months; this has to ​
be arranged by the owner of the ventilation ​
system; functional tests must be carried out in ​
compliance with the basic maintenance ​
principles stated in EN 13306 and DIN 31051. ​
If two consecutive tests, one 6 months after the ​
other, are successful, the next test can be ​
conducted one year later.
– A functional test involves closing the damper ​
blade and opening it again; with a spring return ​
actuator this can be done via remote control
– Fire dampers must be included in the regular ​
cleaning schedule of the ventilation system.
– For details on maintenance and inspection, ​
refer to the installation and operating manual
††
200 × 100 to 800 × 200 mm
300 mm
Up to 1600 l/s or up to 5760 m³/h
Up to 1500 Pa
At least 0 – 50 °C **
72 °C or 95 °C (for warm air ventilation systems)
≤ 8 m/s with standard construction; ≤ 10 m/s with spring return actuator
12/2015 – en
Fire dampers
General information
Function
Construction with fusible ​
link
FKS-EU
Functional description
In the event of a fire, fire dampers shut ​
automatically to prevent the propagation of fire ​
and smoke through ductwork to adjacent ​
designated fire compartments. In the event of a ​
fire, the damper is triggered at 72 °C or at 95 °C ​
(use in warm air ventilation systems) by a fusible ​
link. The release mechanism is accessible and ​
can be tested from the outside.
††
1
Schematic illustration of FKS-EU with fusible link
①
②
③
④
⑦
⑥
① Casing
② Inspection access
③ Fusible link
④ Damper blade with seal
12/2015 – en
②
⑤
⑤ Travel stop
⑥ Handle with interlock and damper blade position ​
indicator
⑦ Release mechanism
K4 – 1.1 – 5
Fire dampers
General information
1
Function
Construction with spring ​
return actuator
FKS-EU
Functional description
The spring return actuator enables the motorised ​
opening and closing of the damper blade; it can ​
be activated by the central BMS.
In the event of a fire, the damper is triggered ​
thermoelectrically at 72 °C or 95 °C (use in warm ​
air ventilation systems). As long as power is ​
supplied to the actuator, the damper blade ​
remains open. If the supply voltage fails, the ​
damper closes (power off to close). Motorised fire ​
dampers can be used to shut off ducts. The ​torque
of each actuator is sufficient to open and ​close the
damper blade even while the fan is ​running.
The spring return actuator is fitted with limit ​
switches that can be used for capturing the ​
damper blade position.
††
Schematic illustration of FKS-EU with spring return actuator
①
②
③
④
⑦
① Casing
② Inspection access
③ Temperature sensor
④ Damper blade with seal
K4 – 1.1 – 6
②
⑥
⑤
⑤ Travel stop
⑥ Thermoelectric release mechanism
⑦ Spring return actuator
12/2015 – en
Fire dampers
General information
Function
Use as an air transfer ​
damper
FKS-EU
Functional description
Air transfer units prevent fire and smoke from ​
spreading in buildings. The thermal release ​
mechanism closes the air transfer unit when the ​
release temperature (72 °C) is reached. Smoke ​
can, however, spread below this temperature. Air ​
transfer units are installed (mortar-based ​
installation) in places where the general building ​
inspectorate sees no risk, for example:
Special characteristics
– General building inspectorate licence Z-19.18-​
2127
– Air transfer unit without duct smoke detector
Note
– Approved only for internal walls
– Not to be connected to ducts in ventilation and ​
air conditioning systems
– As an inlet for additional supply air in the walls ​
of required corridors (escape routes) if the inlet ​
is near the ground (centre line up to 500 mm ​
above floor surface)
– In installation shafts as long as they have ​
sufficient fire resistance where they penetrate ​
compartment floors
– In installation ducts as long as they have ​
sufficient fire resistance where they penetrate ​
compartment floors or walls (except for ​
necessary corridors or escape routes)
The air transfer unit is an FKS-EU fire damper with ​
72 °C thermal release mechanism (construction ​
with fusible link) and cover grilles both ends.
††
Schematic illustration of the FKS-EU as air transfer unit, with fusible link and cover grille
⑧
①
⑦
②
⑥
②
① Casing
② Inspection access
③ Fusible link
④ Damper blade with seal
⑤ Travel stop
12/2015 – en
③
④
⑤
⑨
⑧
⑥ Handle with interlock and damper blade position ​
indicator
⑦ Release mechanism
⑧ Cover grille
⑨ Extension piece
K4 – 1.1 – 7
1
Fire dampers
General information
1
Function
Air transfer damper
FKS-EU
Functional description
Air transfer dampers are designed to shut off ​
openings for air transfer in fire resistant internal ​
walls and ceiling slabs. To prevent smoke from ​
spreading in buildings, it is extremely important ​
that the smoke is detected at an early stage. Duct ​
smoke detector Type RM-O-3-D is required to ​
control and trigger the air transfer damper. The ​
smoke detector operates on the principle of light ​
scattering and detects the smoke regardless of its ​
temperature so that the fire dampers can be ​
closed before the release temperature is reached. ​
The thermoelectric release mechanism of the ​
spring return actuator also triggers the closure of ​
the damper blade. When the release temperature ​
(72 °C) is reached, the temperature sensor in the ​
airflow interrupts the supply voltage to the spring ​
return actuator. The spring return in the actuator ​
causes the fire damper to close (power off to ​
close). A second temperature sensor monitors the ​
ambient temperature. If the supply voltage fails, ​
the damper closes. Air transfer dampers consist o
​f
an FKS-EU fire damper, an RM-O-3-D duct s​ moke
detector with general building inspectorate ​
licence Z-78.6-125, a spring return actuator ​
(24 V AC/DC or 230 V AC) with two integral limit ​
switches, and cover grilles on both ends.
Special characteristics
– Easy electrical connection
– Integration into the central BMS with ​
TROXNETCOM
– General building inspectorate licence: Z-6.50-​
2231
For further and up-to-date information, including ​
the general building inspectorate licence and the ​
operating and installation manual, please refer to ​
our website. For a more detailed selection and ​
design of our fire dampers please refer to the ​
Easy Product Finder design programme on our ​
website.
Note
– Approved only for internal walls and ceilings
– The B dimension of units installed in ceilings ​
must not exceed 500 mm
– Not to be connected to ducts in ventilation and ​
air conditioning systems
Schematic illustration of FKS-EU as air transfer damper
⑧
①
⑦
① Casing
② Inspection access
③ Temperature sensor
④ Damper blade with seal
⑤ Travel stop
K4 – 1.1 – 8
②
⑥
③
⑩
④
⑤
⑨
⑧
⑥ Thermoelectric release mechanism
⑦ Spring return actuator
⑧ Cover grille
⑨ Extension piece
⑩ Duct smoke detector RM-O-3-D
12/2015 – en
Fire dampers
Correct use
FKS-EU
Design information
– Approved only for use in ventilation and air ​
conditioning sytems
– If the fire damper is installed in a solid wall, ​
solid ceiling slab, lightweight partition wall or ​
shaft wall with a lower fire resistance class than ​
that of the fire damper, the fire resistance class ​
of the wall or ceiling slab applies also to the ​
FKS-EU (details upon request)
– Ducting must be installed in such a manner ​
that it does not impose any significant loads on ​
the fire damper in the event of a fire.
– For particular applications it is recommended ​
that flexible connectors are used to connect ​
rigid ducting to the unit.
– For further information relevant to design, in ​
particular information on installation situations, ​
please refer to the operating and installation ​
manual.
1
Incorrect use
Never use the fire damper:
– in areas with potentially explosive atmospheres
– as a smoke control damper
– outdoors without sufficient protection against ​
the effects of weather
– in atmospheres where chemical reactions, ​
whether planned or unplanned, may cause ​
damage to the fire damper or lead to corrosion
If this fire damper is used in Germany:
– Do not use it in extract air systems in ​
commercial kitchens.
12/2015 – en
K4 – 1.1 – 9
Fire dampers
Correct use
FKS-EU
1
K4 – 1.1 – 10
12/2015 – en
Fire dampers
Correct use
Installation orientation
FKS-EU
Installation orientation with horizontal ducts
②
①
① Release mechanism (mechanical or spring return ​
actuator)
12/2015 – en
1
② Duct smoke detector (optional, only together with a ​
spring return actuator)
K4 – 1.1 – 11
Fire dampers
Order code
1
Order code
FKS-EU
FKS-EU
FKS – EU – 1 / DE / 800×200×300 / E / A0 / Z43



 Type
FKS-EUFire damper
 Construction
No entry: standard construction
1
Powder-coated casing
2
Stainless steel casing
7
Coated damper blade
1 – 7 Powder-coated casing and coated damper ​
blade
2 – 7 Stainless steel casing and coated damper ​
blade
W¹
With fusible link 95 °C (only for use in ​
warm air ventilation systems)
 Country of destination
DEGermany
Other destination countries upon request




 Accessories 1
No entry: none
E
Installation block
B
Cover plate
 Accessories 2
No entry: none
A0 – SS
 Attachments
Z00 – ZA12
¹ W can be combined with all constructions listed ​
under , but not with attachments Z43RM ​
– Z45RM
 Nominal size [mm]
B × H × L
Order example
FKS-EU-1/DE/800×200×300/E/SS/Z43
Casing powder-coated, RAL 7001, silver grey
Germany
800 × 200 × 300 mm
Installation block with cover plate
Flexible connector on operating and installation sides
Spring return actuator 230 V AC
Construction variant
Country of destination
Nominal size
Accessories 1
Accessories 2
Attachment
Order code
FKS-EU as an air transfer unit
FKS – EU – 1 / DE / 800×200×300 / B / AA / Z01



 Type
FKS-EUFire damper
 Construction
No entry: standard construction
1
Powder-coated casing, RAL 7001
2
Stainless steel casing
7
Coated damper blade
1 – 7 Powder-coated casing, RAL 7001, and ​
coated damper blade
2 – 7 Stainless steel casing and coated damper ​
blade




 Accessories 1
No entry: none
B
Cover plate
 Accessories 2
AA Cover grilles on both ends
 Attachments
Z00 – Z03
 Country of destination
DEGermany
Other destination countries upon request
 Nominal size [mm]
B × H × L
K4 – 1.1 – 12
12/2015 – en
Fire dampers
Order code
Order example
FKS-EU
FKS-EU-1/DE/500×150×300/AA/Z03
Casing powder-coated, RAL 7001, silver grey
Germany
500 × 150 × 300 mm
Without
Cover grilles on both ends
Limit switches for damper blade positions OPEN and​
CLOSED
Construction variant
Country of destination
Nominal size
Accessories 1
Accessories 2
Attachment
Order code
FKS-EU as air transfer damper
FKS – EU – 1 / DE / 800×200×300 / E / AA / Z43RM



 Type
FKS-EUAir transfer damper
 Construction
No entry: standard construction
1
Powder-coated casing, RAL 7001
2
Stainless steel casing
7
Coated damper blade
1 – 7 Powder-coated casing, RAL 7001, and ​
coated damper blade
2 – 7 Stainless steel casing and coated damper ​
blade




 Accessories 1
No entry: none
E
Installation block
B
Cover plate
 Accessories 2
AA Cover grilles on both ends
 Attachments
Z43RM – Z45RM
 Country of destination
DEGermany
Other destination countries upon request
 Nominal size [mm]
B × H × L
Order example
FKS-EU/DE/400×125×300/AA/Z43RM
Construction variant
Country of destination
Nominal size
Accessories 1
Accessories 2
Attachment
12/2015 – en
Standard construction
Germany
400 × 125 × 300 mm
Without
Cover grilles on both ends
Spring return actuator 230 V AC with factory mounted and​
pre-wired duct smoke detector (air transfer opening)
K4 – 1.1 – 13
1
Accessories 1
Installation block E
1
Description
/ E /

Order code detail
FKS-EU
Application
– Installation block E for dry mortarless ​
installation into solid walls and ceiling slabs, ​
into lightweight partition walls with metal ​
support structure and cladding on one side or ​
on both sides, and in lightweight fire walls
– The installation block is factory mounted to the ​
fire damper
– The unit is installed without a mortar mix by ​
simply inserting it into the prepared installation ​
opening
– In the event of a fire the intumescent seal ​
closes the remaining gap.
– A cover plate conceals any gaps and is used ​
for screw fixing
Materials and surfaces
– The installation block is sheet steel with a ​
special sealing compound
– Cover plate and casing of the installation block ​
made of galvanised sheet steel (and powder-​
coated silver grey, RAL 7001, when used with ​
powder-coated (1) and stainless steel (2) ​
dampers)
Note
For further information relevant to design, in ​
particular information on installation situations, ​
please refer to the operating and installation ​
manual.
Installation block
Order code
Installation block with cover plate
E
FKS-EU with fusible link, dimensions [mm] and weight [kg]
H
100
125
150
160
200
200
7.7
8.5
8.8
8.9
9.7
300
9.7
10.5
10.9
11.0
12.1
400
B
500
11.6
12.4
12.9
13.1
14.5
13.7
14.4
15.1
15.4
16.6
600
15.8
16.4
17.3
17.7
18.7
700
17.8
18.5
19.4
19.7
21.0
800
19.8
20.6
21.4
21.7
23.2
FKS-EU with installation block E in a solid wall
②
①
B + 15
0
H + 10
0
③
④
115
B + 70
H + 70
① Cover plate
② Installation block
K4 – 1.1 – 14
③ Seal
④ Solid wall
12/2015 – en
Accessories 1
Installation block E
FKS-EU
FKS-EU with installation block E in a lightweight partition wall
②
①
B + 15
0
H + 10
0
③
1
④
115
B + 70
H + 70
① Cover plate
② Installation block
12/2015 – en
③ Seal
④ Lightweight partition wall
K4 – 1.1 – 15
Accessories 1
Cover plate B
1
Description
/ B /

Order code detail
FKS-EU
Application
– A cover plate facilitates mortar-based ​
installation (perimeter mortar infill)
Materials and surfaces
– Cover plate made of galvanised sheet steel ​
(and powder-coated silver grey, RAL 7001, ​
when used with powder-coated (1) and ​
stainless steel (2) dampers)
It is supplied unassembled and allows for ​
positioning the fire damper in the installation ​
opening and for applying the perimeter mortar ​
infill.
Cover plate
Order code
Cover plate
B
FKS-EU with cover plate
②
①
B + 15
0
H + 10
0
B+8
0
H+8
0
① Cover plate
K4 – 1.1 – 16
② Solid wall or lightweight partition wall
12/2015 – en
Accessories 2
Cover grille
Description
Cover grille for FKS-EU
/ A0 /
/ 0A /
/ AA /

Order code detail
The distance »a« ​
between the open ​damper
blade and the ​cover grille
should be ​approx. 50 mm.
FKS-EU
Application
– If only one end is to be ducted on site, the other ​
end must have a cover grille
– Fire dampers ordered with a cover grille may ​
be supplied with an extension piece if required
– The extension is factory mounted to the ​
damper
– The free area of the cover grille is approx. 65%
– Cover grilles are also available separately
– An extension piece is required on the ​
installation side
– Cover grilles both ends are available in ​
Germany only for fire dampers with general ​
building inspectorate licence Z-6.50-2231 or ​for
air transfer units with general building ​
inspectorate licence Z-19.18-2127
Materials and surfaces
– Cover grilles made of galvanised sheet steel ​
(and powder-coated silver grey, RAL 7001, ​
when used with powder-coated (1) and ​
stainless steel (2) dampers)
Note
For further information relevant to design, in ​
particular information on installation situations, ​
please refer to the operating and installation ​
manual.
Cover grille for FKS-EU
Operating side Installation side
Cover grille
–
Cover grille
Order code
–
Cover grille
Cover grille
A0
0A*
AA*
Cover grille
①
①
②
① Cover grille, mesh aperture 10 mm × 10 mm, wire ​
width 2 mm; grille thickness approx. 1 mm
② Extension piece required on the installation side
Cover grille
①
⑤
④
H/B
H/B
⑤
③
③
L = 300
① Without extension piece
② With extension piece
③ Cover grille, mesh aperture 10 mm × 10 mm, wire ​
width 2 mm; grille thickness approx. 1 mm
12/2015 – en
②
y = 1 ... 51*
③
L = 300
200
④ Extension piece
⑤ Damper blade
y = * 51 with H = 200 mm
K4 – 1.1 – 17
1
Accessories 2
Flexible connector
Flexible connector with ​
flange for FKS-EU
/ S0 /
/ 0S /
/ SS /

Order code detail
The distance »a« ​
between the open ​damper
blade and the ​flexible
connector should b
​e
approx. 50 mm.
Application
– For information on how to limit such loads ​
please refer to the guideline regarding fire ​
protection requirements on ventilation systems ​
(Lüftungsanlagen-Richtlinie, LüAR)
– As ducts may expand and walls may become ​
deformed in the event of a fire, we recommend ​
using flexible connectors for the following ​
applications: installation in lightweight partition ​
walls, in lightweight shaft walls and in ​
lightweight fire walls
– Flexible connectors should be installed in such ​
a way that both ends can compensate both ​
tension and compression
– Flexible ducts can be used as an alternative
– An extension piece is required on the ​
installation side
– Flexible connectors are supplied unassembled
– The fixing holes in the flexible connectors and ​
extension piece match those in the fire damper ​
flanges
– Flexible connectors are also available ​
separately
Materials and surfaces
– Flexible connectors made of galvanised steel ​
and fibre-reinforced plastic
– Fire resistance properties to 4102; B2
Note
For further information relevant to design, in ​
particular information on installation situations, ​
please refer to the operating and installation ​
manual.
Flexible connector for FKS-EU
Operating side
Installation side
Order code
Flexible connector –
–
Flexible connector
Flexible connector Flexible connector
S0
0S*
SS*
Flexible connector
①
①
②
① Flexible connector
② Extension piece required on the installation side
Flexible connector
~ 185
~ 185
~ 160*
~ 160*
③
②
H/B
1
Description
FKS-EU
①
① Flexible connector
② Extension piece
K4 – 1.1 – 18
L = 300
200
①
③ Damper blade
* flexible length ≥ 100 mm when installed
12/2015 – en
Accessories 2
Extension piece
Note
For further information relevant to design, in ​
particular information on installation situations, ​
please refer to the operating and installation ​
manual.
Extension piece
200
∅10
H + 60
When using cover grilles, ​
circular spigots or flexible ​
connectors an extension ​
piece may be required for ​
certain heights.
Materials and surfaces
– Extension piece made of galvanised sheet ​
steel (and powder-coated silver grey, ​
RAL 7001, when used with powder-coated (1) ​
and stainless steel (2) dampers)
Installation and commissioning
– The distance »a« between the open damper ​
blade and the cover grille or circular spigot ​
should be approx. 50 mm
H
FKS-EU extension piece
Application
– Fire dampers ordered with flexible connector or ​
cover grille are supplied including extension ​
piece
– Extension pieces are also available separately
H + 30
Description
FKS-EU
B
B + 30
B + 60
12/2015 – en
K4 – 1.1 – 19
1
Attachments
Limit switch
1
Description
Limit switch
For detailed information ​
on limit switches see ​
Chapter 1.2
/ Z01
/ Z02
/ Z03

Order code detail
K4 – 1.1 – 20
FKS-EU
FKS-EU with limit switch
– Limit switches with volt-free contacts enable ​
the damper blade position indication.
– Up to the maximum switch rating, relays or ​
indicator lights for fire alarm systems can be ​
used
– One limit switch each is required for damper ​
blade positions OPEN and CLOSED
– Fire dampers with a fusible link can be supplied​
with one or two limit switches; the switches can ​
also be fitted later
– For technical data and wiring examples refer to ​
the additional technical leaflet 'Attachments for ​
fire dampers'
Attachments
Limit switch for damper blade position CLOSED
Limit switch for damper blade position OPEN
Limit switches for damper blade positions ​
CLOSED and OPEN
Order code
Z01
Z02
Z03
12/2015 – en
Attachments
Spring return actuator
Description
FKS-EU with spring return ​
actuator
For detailed information ​
on the spring return ​
actuator see Chapter 1.2
/ Z43
/ Z45

FKS-EU
FKS-EU with spring return actuator
– An open/close actuator allows for the remote ​
control of the fire damper and/or release by a ​
suitable duct smoke detector
– If the supply voltage fails, or with thermoelectric ​
release, the damper closes (power off to close)
– Fire dampers with spring return actuators can ​
be functionally checked OPEN/CLOSED/​
OPEN
– Ambient temperature, normal operation ​
–30 to 50 °C
– Two integral limit switches with volt-free ​
contacts enable the damper blade position ​
indication (OPEN and CLOSED)
– BLF24-T-ST TR: The connecting cables of the ​
spring return actuator are fitted with plugs, ​
which ensure quick and easy connection to the ​
TROX AS-i bus system
– A conversion kit is available for adding an ​
actuator to the standard construction
– In case of conventional wiring (Z45) the voltage ​
is supplied by a safety transformer
Attachments
BLF230-T TR
BLF24-T-ST TR
1
Order code
Z43
Z45
Order code detail
12/2015 – en
K4 – 1.1 – 21
Attachments
Spring return actuator and duct smoke detector
1
Description
FKS-EU as air transfer ​
damper
For detailed information ​
on the spring return ​
actuator see Chapter 1.2
For detailed information ​
on duct smoke detectors ​
see Chapter 3
FKS-EU with spring return actuator BLF and ​
duct smoke detector RM-O-3-D
– An open/close actuator allows for remote ​
control of the fire damper and/or release by a ​
suitable duct smoke detector
– If the supply voltage fails, or with thermoelectric ​
release or smoke detection the damper closes ​
(power off to close)
– Fire dampers with spring return actuators can ​
be functionally checked OPEN/CLOSED/​
OPEN
– Two integral limit switches with volt-free ​
contacts enable the damper blade position ​
indication (OPEN and CLOSED)
– If the unit is not connected to ducting, cover ​
grilles are required on both ends.
– In combination with a spring return actuator, a ​
duct smoke detector RM-O-3-D and cover ​
grilles on both ends this is an air transfer ​
damper with general building inspectorate ​
licence: Z-6.50-2231
To prevent smoke from spreading in buildings, it is ​
extremely important that the smoke is detected at ​
an early stage. A duct smoke detector RM-O-3-D ​
can be used to activate FKS-EU fire dampers with ​
a spring return actuator. The duct smoke detector ​
operates on the principle of light scattering and ​
detects the smoke regardless of its temperature ​
so that the fire dampers can be closed before the ​
release temperature is reached.
/ Z43RM
/ Z45RM

Order code detail
K4 – 1.1 – 22
FKS-EU
Duct smoke detector Type RM-O-3-D
The duct smoke detector RM-O-3-D is fitted in the ​
lower inspection access opening of the FKS-EU ​
and hence, just as the spring return actuator, an ​
integral part of the fire damper.
Essential characteristics of the duct smoke ​
detector:
– General building inspectorate licence Z-78.6-​
125
– For airflow velocities from 1 – 20 m/s
– Independent of the airflow direction
– Supply voltage 230 V AC, 50/60 Hz*
– Volt-free signal and alarm relays
– Integral signal lamps
– Contamination level indicator
– Automatic adjustment of alarm threshold
– Long service life
– Temperature range 0 – 60 °C
* The 24 V DC construction includes a voltage ​
monitoring module
Spring return actuator and pre-wired duct smoke detector, 24 V DC or 230 V supply voltage
Attachments
Duct smoke detector RM-O-3-D with spring return ​
actuator BLF230-T TR (cover grilles both ends ​
required [AA] for air transfer dampers)
Duct smoke detector RM-O-3-D with spring return ​
actuator BLF24-T ST TR (cover grilles both ends ​
required [AA] for air transfer dampers)
Order code
Z43RM
Z45RM
12/2015 – DE/en
Attachments
TROXNETCOM
Description
FKS-EU with ​
TROXNETCOM module
For detailed information ​
on TROXNETCOM see ​
Chapter 6
/ ZL06
/ ZL07
/ ZL08

Order code detail
FKS-EU
FKS-EU with spring return actuator and ​
TROXNETCOM
– Fire dampers with spring return actuator ​
BLF24-T-ST TR and the modules described ​
here as attachments form a functional unit ​
ready for automatic operation.
– The components are factory assembled and ​
wired
– It enables the integration of different ​
components (modules) into a network ​
regardless of the manufacturer
– The modules control actuators and/or receive ​
signals from sensors
Application
LON:
– LON indicates a standard local operating ​
network system with manufacturer-​independent
communications
– Data transmission is based on a uniform ​
protocol
– International standards ensure product ​
compatibility
– Only the bus line and the supply voltage remain​
to be connected by others
– LON-WA1/B2: To provide the control input ​
Attachments
LON-WA1/B2 and BLF24-T-ST TR
LON-WA1/B2-AD and BLF24-T-ST TR
LON-WA1/B2-AD230 and BLF24-T-ST TR
AS-EM and BLF24-T-ST TR
AS-RM/BD-UE, BLF24-T-ST TR and RM-O-3-D
signal for up to two fire dampers
– LON-WA1/B2-AD: Connection box for ​
connecting the second fire damper with ​
24 V DC supply voltage to LON-WA1/B2-AD
– LON-WA17B2-AD230: Connection box with ​
integral 230/24 V power supply unit for the ​
connection of a second actuator-driven 24 V ​
fire damper to LON-WA1/B2
AS-i:
– The AS interface is a global standard bus ​
system according to EN 50295 and IEC 62026-​
2
– The module transmits the control signals ​
between the spring return actuator and the ​
controller and power unit
– This allows for controlling the actuator and ​
monitoring the actuator running time during ​
functional testing
– The voltage (24 V DC) for the module and the ​
actuator is supplied via the two-wire AS-i flat ​
cable
– Function display: operation, 4 inputs, 2 outputs
††
Order code
ZL06
ZL07
ZL08
ZA07
ZA12
/ ZA07
/ ZA12

Order code detail
12/2015 – en
K4 – 1.1 – 23
1
Attachments
Duct smoke detectors
1
Description
Duct smoke detector RM-​
O-3-D
General
– To prevent smoke from spreading in buildings, ​
it is extremely important that the smoke is ​
detected at an early stage.
– Duct smoke detectors that operate on the ​
principle of light scattering detect the smoke ​
regardless of its temperature so that the fire ​
dampers can be closed before the release ​
temperature of 72 °C is reached
– If the air contains suspended particles, as is ​
the case with smoke, beams of light are ​
deflected off these. A sensor (photodiode), ​
which does not receive light in clear air, is ​
illuminated by the scattered light.
– The fire damper or smoke protection damper ​
blade is released when the brightness of the ​
scattered light exceeds a certain threshold
Application
RM-O-3-D:
– Duct smoke detector for fire dampers and ​
smoke protection dampers
– General building inspectorate licence Z-78.6-​
125
– For airflow velocities from 1 – 20 m/s
– Independent of the airflow direction
– Supply voltage 230 V AC, 50/60 Hz or 24 V DC ​
with voltage monitoring module (VWM) (upon ​
request)
– Volt-free signal and alarm relays
– Integral signal lamps
– Contamination level indicator
– Automatic adjustment of alarm threshold
– Long service life
– Temperature range 0 – 60 °C
Note
For details please refer to the technical leaflets for ​
RM-O-3-D and RM-O-VS-D.
RM-O-VS-D:
– Duct smoke detector for fire dampers and ​
smoke protection dampers
– General building inspectorate licence Z-78.6-​
67
– For airflow velocities from 1 – 20 m/s
– Independent of the airflow direction
– Airflow monitoring with warning for lower limit ​
2 m/s
– Supply voltage 230 V AC, 50/60 Hz
– Volt-free signal and alarm relays
– Integral signal lamps
– Contamination level indicator
– Automatic adjustment of alarm threshold
– Long service life
– Temperature range 0 – 60 °C
Duct smoke detector RM-​
O-VS-D
For detailed information ​
on duct smoke detectors ​
see Chapter 3
Attachments
Duct smoke detector
Duct smoke detector
K4 – 1.1 – 24
FKS-EU
Order code
RM-O-3-D
RM-O-VS-D
12/2015 – en
Fire dampers
Quick sizing
FKS-EU
Volume flow rate  [m³/h] at differential pressure Δpst < 35 Pa
H [mm]
100
125
150
160
200
Sizing example
L
35
45
35
45
35
45
35
45
35
45
200
300
420
410
570
520
730
570
790
760
1060
Given data
300
Volume flow rate: 1000 m³/h
Maximum height: 100 mm
Sound power level: 35 dB(A)
12/2015 – en
480
670
650
900
830
1160
900
1260
1220
1700
400
B [mm]
660
920
890
1250
1140
1600
1250
1750
1690
2360
500
840
1180
1150
1600
1470
2060
1600
2240
2170
3040
600
1030
1450
1400
1960
1800
2520
1970
2750
2660
3750
Quick sizing
700
1230
1720
1700
2350
2140
3000
2340
3280
3170
4430
800
1
1420
2000
1940
2700
2480
3480
2700
3800
3680
5150
FKS-EU / 600 × 100 × 300
K4 – 1.1 – 25
Fire dampers
Quick sizing
1
FKS-EU
Volume flow rate  [l/s] at differential pressure Δpst < 35 Pa
H [mm]
100
125
150
160
200
Sizing example
L
35
45
35
45
35
45
35
45
35
45
200
83
117
114
158
144
203
158
219
211
294
Given data
300
Volume flow rate: 650 l/s
Maximum height: 125 mm
Sound power level: 45 dB(A)
K4 – 1.1 – 26
133
186
181
250
231
322
250
350
339
472
400
B [mm]
183
256
247
347
317
444
347
486
469
656
500
233
328
319
444
408
572
444
622
603
844
600
286
403
389
544
500
700
547
764
739
1042
Quick sizing
700
342
478
472
653
594
833
650
911
881
1231
800
394
556
539
750
689
967
750
1056
1022
1431
FKS-EU / 700 × 125 × 300
12/2015 – en
Fire dampers
Free area and resistance coefficient
H [mm]
200
300
400
500
600
700
800
12/2015 – en
Parameter
A [m²]
ζ
A [m²]
ζ
A [m²]
ζ
A [m²]
ζ
A [m²]
ζ
A [m²]
ζ
A [m²]
ζ
100
0.01
1.46
0.02
1.26
0.03
1.17
0.03
1.11
0.04
1.08
0.05
1.05
0.05
1.04
125
FKS-EU
B [mm]
0.02
0.98
0.03
0.84
0.04
0.77
0.05
0.73
0.05
0.71
0.06
0.69
0.07
0.68
150
0.02
0.71
0.03
0.60
0.05
0.55
0.06
0.52
0.07
0.50
0.08
0.49
0.09
0.48
160
0.02
0.63
0.04
0.54
0.05
0.49
0.06
0.46
0.08
0.44
0.09
0.43
0.10
0.42
200
0.03
0.43
0.05
0.36
0.07
0.33
0.08
0.31
0.10
0.29
0.12
0.28
0.13
0.28
K4 – 1.1 – 27
1
Fire dampers
Dimensions and weight – FKS-EU
FKS-EU with fusible link
30
185
B
30
30
①
H
FKS-EU with fusible link
30
1
Dimensions
FKS-EU
L = 300
~70
~175
① Keep clear to provide access to the release ​
mechanism
Weight
H
100
125
150
160
200
K4 – 1.1 – 28
200
3.3
3.6
3.7
3.8
4.1
300
4.1
4.5
4.7
4.8
5.3
400
B
4.9
5.3
5.6
5.7
6.5
500
5.7
6.2
6.6
6.7
7.5
600
6.5
7
7.5
7.7
8.4
700
7.4
7.8
8.4
8.6
9.4
800
8.2
8.6
9.2
9.4
10.3
12/2015 – en
Fire dampers
Dimensions and weight – FKS-EU/.../Z4*
Dimensions
FKS-EU
FKS-EU with spring return actuator (FKS-EU/.../Z4*)
1
~ 270
185
30
30
B
30
①
30
H
FKS-EU with spring return ​
actuator
L = 300
~100
~175
① Keep clear to provide access to the spring return ​
actuator
Weight
H
100
125
150
160
200
12/2015 – en
200
5.3
5.6
5.7
5.8
6.1
300
6.1
6.5
6.7
6.8
7.3
400
B
6.9
7.3
7.6
7.7
8.5
500
7.7
8.2
8.6
8.7
9.5
600
8.5
9
9.5
9.7
10.4
700
9.4
9.8
10.4
10.6
11.4
800
10.2
10.6
11.2
11.4
12.3
K4 – 1.1 – 29
Fire dampers
Dimensions and weight – FKS-EU/.../Z**RM
FKS-EU as air transfer damper (FKS-EU/.../Z**RM)
~ 270
185
30
30
B
30
①
30
H
FKS-EU as air transfer ​
damper
150
1
Dimensions
FKS-EU
L = 300
~100
~175
①
②
200
① Keep clear to provide access to the duct smoke ​
detector and to the spring return actuator
② Extension piece
Weight
H
100
125
150
160
200
K4 – 1.1 – 30
200
6.3
6.6
6.7
6.8
7.1
300
7.1
7.5
7.7
7.8
8.3
400
B
7.9
8.3
8.6
8.7
9.5
500
8.7
9.2
9.6
9.7
10.5
600
9.5
10.0
10.5
10.7
11.4
700
10.4
10.8
11.4
11.6
12.4
800
11.2
11.6
12.2
12.4
13.3
12/2015 – DE/en
Fire dampers
Specification text
Description
This specification text ​
describes the general ​
properties of the product. ​
Texts for variants can be ​
generated with our Easy ​
Product Finder design ​
programme.
Rectangular or square fire dampers with flanges, ​
for the isolation of duct penetrations between fire ​
compartments.
Tested for fire resistance properties to EN 1366-2, ​
with CE marking and declaration of performance ​
according to the Construction Products ​
Regulation.
Ready-for-operation unit, which includes a fire-​
resistant damper blade and a release mechanism. ​
For mortar-based installation and dry mortarless ​
installation into solid walls and ceiling slabs, ​
lightweight partition walls and fire walls with ​
cladding on both sides; also in shaft walls with ​
metal support structure and cladding on one side.
Casing length 300 mm, for the connection to d
​ ucts
made of non-combustible or combustible ​
materials. Thermal or thermoelectric release at ​
72 °C or 95 °C (warm air ventilation systems).
Constructions with spring return actuator for ​
opening and closing the fire damper independent ​
of the nominal size and even while the ventilation ​
system is running, e.g. for a functional test.
Construction with installation block for easy dry ​
mortarless installation.
Special characteristics
– Declaration of performance according to ​
Construction Products Regulation
– Classification to EN 13501-3, up to EI 120 (ve, ​
ho, i ↔ o) S
– Building inspectorate licence Z-56.4212-991 ​
for fire resistance properties
– Complies with the requirements of EN 15650
– Tested to EN 1366-2 for fire resistance ​
properties
– Hygiene complies with VDI 6022 part 1 (07/​
2011), VDI 3803 (10/2002), DIN 1946 part 4 ​
(12/2008), and EN 13779 (09/2007)
– Corrosion protection according to EN 15650 in ​
connection with EN 60068-2-52
– Closed blade air leakage to EN 1751, class 2
– Casing air leakage to EN 1751, class C
– Low differential pressure and sound power ​
level
– Any airflow direction
– Integration into the central BMS with ​
TROXNETCOM
12/2015 – en
FKS-EU
Materials and surfaces
Casing:
– Galvanised sheet steel
– Galvanised sheet steel, powder-coated ​
RAL 7001
– Stainless steel 1.4301
Damper blade:
– Special insulation material
– Special insulation material with coating
Other components:
– Damper blade shaft in stainless steel
– Plastic bearings
– Seals of elastomer
The construction variants with stainless steel or ​
powder-coated casing meet even more critical ​
requirements for corrosion protection. Detailed ​
listing on request.
Technical data
– Nominal sizes: 200 × 100 mm – 800 × 200 mm
– Casing length: 300 mm
– Volume flow rate range: Up to 1600 l/s or ​
5760 m³/h
– Differential pressure: up to 1500 Pa
– Operating temperature: at least 0 – 50 °C **
– Release temperature 72 °C or 95 °C (for use in ​
warm air ventilation systems)
– Upstream velocity: ≤ 8 m/s with standard ​
construction; ≤ 10 m/s * with actuator
* Data applies to uniform upstream and ​
downstream conditions for the fire damper
** Temperatures may differ for units with ​
attachments; details for other applications are ​
available on request.
Sizing data
– _______________________________ [m³/h]
– Δpst_______________________________ [Pa]
–LWA Air-regenerated noise___________ [dB(A)]
K4 – 1.1 – 31
1
Fire dampers
Specification text
1
Order options
 Type
FKS-EUFire damper
 Construction
No entry: standard construction
1
Powder-coated casing
2
Stainless steel casing
7
Coated damper blade
1 – 7 Powder-coated casing and coated ​
damper blade
2 – 7 Stainless steel casing and coated ​
damper blade
W¹
With fusible link 95 °C (only for use in ​
warm air ventilation systems)
 Country of destination
DEGermany
Other destination countries upon ​
request
FKS-EU
 Accessories 1
No entry: none
E
Installation block
B
Cover plate
 Accessories 2
No entry: none
A0 – SS
 Attachments
Z00 – ZA12
¹ W can be combined with all constructions listed ​
under , but not with attachments ​
Z43RM – Z45RM
 Nominal size [mm]
B × H × L
K4 – 1.1 – 32
12/2015 – en
Fire dampers
Specification text
Description
This specification text ​
describes the general ​
properties of the product. ​
Texts for variants can be ​
generated with our Easy ​
Product Finder design ​
programme.
Order options
FKS-EU as an air transfer unit
Square or rectangular fire dampers used as air ​
transfer units for the following applications:
– As an inlet for additional supply air in the walls ​
of required corridors (escape routes) if the inlet ​
is near the ground (centre line up to 500 mm ​
above floor surface)
– In installation shafts as long as they have ​
sufficient fire resistance where they penetrate ​
compartment floors
– In installation ducts as long as they have ​
sufficient fire resistance where they penetrate ​
compartment floors or walls (except for ​
necessary corridors or escape routes)
Tested for fire resistance properties to EN 1366-2, ​
with CE marking and general building ​inspectorate
licence. Ready-for-operation unit, w
​ hich includes
a fire-resistant damper blade and ​a release
mechanism. Casing length 300 mm, ​with cover
grilles both ends and an extension ​piece on the
installation side, for installation ​without duct
connection. Thermal release at ​72 °C. For mortarbased installation in internal ​solid walls, in
lightweight partition walls with ​cladding on both
sides, and in fire walls and shaft ​walls.
Special characteristics
– General building inspectorate licence Z-19.18-​
2127
– Air transfer unit without duct smoke detector
 Type
FKS-EUFire damper
 Accessories 1
No entry: none
B
Cover plate
 Construction
No entry: standard construction
1
Powder-coated casing, RAL 7001
2
Stainless steel casing
7
Coated damper blade
1 – 7 Powder-coated casing, RAL 7001, and ​
coated damper blade
2 – 7 Stainless steel casing and coated ​
damper blade
Note
– Approved only for internal walls
– Not to be connected to ducts in ventilation and ​
air conditioning systems
 Accessories 2
AA Cover grilles on both ends
 Attachments
Z00 – Z03
 Country of destination
DEGermany
Other destination countries upon ​
request
 Nominal size [mm]
B × H × L
12/2015 – DE/en
K4 – 1.1 – 33
1
Fire dampers
Specification text
1
Description
This specification text ​
describes the general ​
properties of the product. ​
Texts for variants can be ​
generated with our Easy ​
Product Finder design ​
programme.
FKS-EU as air transfer damper
Square or rectangular air transfer dampers for ​
shutting off air transfer openings in fire-resistant ​
walls or ceilings, to prevent the penetration of ​
heat, flames and smoke for at least 90 minutes.
Ready-for-operation unit, which includes a fire-​
resistant damper blade, a duct smoke detector, a ​
spring return actuator with two integral limit ​
switches, cover grilles on both ends and an ​
extension piece on the installation side.
Tested for fire resistance properties according to ​
EN 1366-2, with general building inspectorate ​
licence Z-6.50-2231 from the DIBt, Berlin.
For installation into solid walls and ceiling slabs, ​
lightweight partition walls and fire walls with ​
cladding on both sides; also in shaft walls with ​
metal support structure and cladding on one side. ​
Casing length: 500 mm.
Thermoelectric release at 72 °C.
Sizing data
– _______________________________ [m³/h]
– Δpst_______________________________ [Pa]
–LWA Air-regenerated noise___________ [dB(A)]
Special characteristics
– Declaration of performance according to ​
Construction Products Regulation
– General building inspectorate licence Z-6.50-​
2231 from the DIBt
– Tested to EN 1366-2 and DIN 4102 for fire ​
resistance properties
– Hygiene complies with VDI 6022 part 1 (07/​
2011), VDI 3803 (10/2002), DIN 1946 part 4 ​
(12/2008), and EN 13779 (09/2007)
– Corrosion protection according to EN 15650 in ​
connection with EN 60068-2-52
– Closed blade air leakage to EN 1751, class 2
– Casing air leakage to EN 1751, class C
– Any airflow direction
– Integration into the central BMS with ​
TROXNETCOM
Materials and surfaces
Casing:
– Galvanised sheet steel
– Galvanised sheet steel, powder-coated ​
RAL 7001
– Stainless steel 1.4301
Damper blade:
– Special insulation material
– Special insulation material with coating
Other components:
– Damper blade shaft in stainless steel
– Plastic bearings
– Seals of elastomer
The construction variants with stainless steel or ​
powder-coated casing meet even more critical ​
requirements for corrosion protection. Detailed ​
listing on request.
Technical data
– Nominal sizes: 200 × 100 mm – 800 × 200 mm
– Casing length: 300 mm
– Operating temperature: at least 0 – 50 °C
– Release temperature: 72 °C
Order options
 Type
FKS-EUAir transfer damper
 Construction
No entry: standard construction
1
Powder-coated casing, RAL 7001
2
Stainless steel casing
7
Coated damper blade
1 – 7 Powder-coated casing, RAL 7001, and ​
coated damper blade
2 – 7 Stainless steel casing and coated ​
damper blade
 Accessories 1
No entry: none
E
Installation block
B
Cover plate
 Accessories 2
AA Cover grilles on both ends
 Attachments
Z43RM – Z45RM
 Country of destination
DEGermany
Other destination countries upon ​
request
 Nominal size [mm]
B × H × L
K4 – 1.1 – 34
12/2015 – DE/en
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