Mandik FDMR 60 User manual

2
These Technical Specifications define the range of the manufactured sizes and models, the main dimensions and the
scope of use of the FDMR 60 fire dampers (hereinafter referred to only as the "fire dampers"). They are binding for
production, designing, ordering, delivery, storage, assembly, operation, maintenance and operability inspections.
1. Description.........................................................................................................................
3
2. Design................................................................................................................................
4
3. Communication and control devices....................................................................................
9
4. Dimensions, weights and effective area..............................................................................
12
5. Placement and Assembly ...................................................................................................
15
6. Statement of installations....................................................................................................
17
7. Suspension system……………......................................................................................….
30
8. Pressure loss......................................................................................................................
38
9. Coefficient of local pressure loss.......................................................................................
39
10. Noise data.........................................................................................................................
39
11. Material.............................................................................................................................
41
12. Inspection.........................................................................................................................
42
13. Testing..............................................................................................................................
42
14. Logistic terms....................................................................................................................
42
15. Warranty...........................................................................................................................
42
16. Assembly..........................................................................................................................
43
17. Entry into service and revisions.........................................................................................
43
18. Spare parts.......................................................................................................................
45
19. Restore function of actuating mechanism after fuses initiation...........................................
45
20. Ordering key.....................................................................................................................
45
21. Data label...........................................................................................….……..............….
46

3
Fire dampers are shutters in ducts of air-conditioning devices that prevent spreading the fire and
combustion products from one fire segment to the other one by means of closing the duct in the points
of fire separating constructions.
The damper blade automatically closes the air duct using a shutting spring or an actuating mechanism
of back spring. The shutting spring is activated by pressing the start button or by the impulse from the
thermal fuse. The back spring of the actuating mechanism is started when the thermoelectric starting
mechanism BAT is activated, when the reset button on BAT is pressed or when the power supply to
the actuating mechanism is stopped.
After closing the blade, the damper is sealed with a silicon packing against smoke penetration. The
damper can be delivered with a seal without silicone at the customer's wish. At the same time, the
damper blade is embedded in a material which enlarges its volume due to increasing temperature and
hermetically seals the air duct.
The dampers have one inspection hole, as the shutting device and the inspection hole can be set to
the most advantageous position with respect to operation and handling of the control device by turning
the damper a little in case of the spiro model of the dampers.
Damper characteristics
• CE certified acc. to EN 15650
• Tested in accordance with EN 1366-2
• Classified acc. to EN 13501-3+A1
• Fire resistance EIS 60
• External Casing leakage class C, Internal leakage class 3 acc. to EN 1751
• Cycling test in class C 10000 acc. to EN 15650
• Corrosion resistant acc. to EN 15650
• ES Certificate of conformity No. 1391-CPR-2019/0161/O1
• Declaration of Performance No. PM/FDMR60/01/20/1
• Hygienic assessment of fire dampers - Report No. 1.6/pos/19/19b
Working conditions
Right damper function is secured under the following conditions:
a) Maximum air circulation speed: 12 m/s
Maximum pressure difference: 1200 Pa
b) The air circulation in the whole damper section must be secured as steady on whole
surface.
Operation of the dampers does not depend on the direction of air circulation. The dampers can
be located in an arbitrary position.
Dampers are suitable for systems without abrasive, chemical and adhesive particles.
Dampers are designed for macroclimatic areas with mild climate according to EN 60 721-3-3.
Temperature in the place of installation is permitted to range from -30°C to +50°C.

4
Design with mechanical control
Design with mechanical control with a thermal protective fuse which actuates the shutting device,
after the nominal start temperature 72°C has been reached. Automatic initiation of the shutting
device is not activated if the temperature does not exceed 70°C. In case that other start
temperatures are required, thermal fuses with nominal start temperature +104°C or +147°C can
be supplied (this requirement must be specified in the order).
Mechanisms are produced in four designs to ,
difference is only in size of inner spring, which closes
the fire damper. For the size of fire dampers is always
assigned the size of mechanism - It is not
recommended to use different size of mechanism,
than given by the manufacturer, otherwise, there is a
risk of fire damper destruction.
Design .01 with mechanical control can be complemented with a limit switch signalling of the
damper blade position "CLOSED". Cable is connected directly to limit switch.
Limit switch
“CLOSED”
Design .01 with mechanical control can be complemented with a terminal switches signaling of
the damper blade position "CLOSED" and "OPEN". Limit switches are connected via damper
casing, cables are connected directly to limit switches.
Limit switch
“CLOSED”
Limit switch
“OPEN”

5
Design with actuating mechanism
The dampers are equipped with Belimo actuating mechanisms with back spring and thermoelectric
actuating device, of range BFL (hereinafter referred to only as the "actuating mechanism"). After
being connected to power supply AC/DC 24V or AC 230V, respectively, the actuating mechanism
moves the damper blade to "OPEN" operation position and at the same time pre-stretches its back
spring. While the actuating mechanism is under voltage, the damper blade is in the "OPEN" position
and the back spring is pre-stretched. The time needed for full opening of the damper blade from
"CLOSED" position to "OPEN" position is 60 seconds at the maximum. if the power supply to the
actuating mechanism is cut off (due to loss of power supply or by pressing the reset button on the
BAT thermoelectric starting mechanism), the back spring will move the damper blade to "CLOSED"
failure position. The time of moving the blade from "OPEN" position to "CLOSED" position takes 20
seconds at the maximum. If the power supply is restored (the blade can be in any position), the
actuating mechanism starts to move the damper blade to "OPEN" position again.
A thermoelectrical starting mechanism BAT, which contains two thermal fuses Tf1 and Tf2, is a part
of the actuating mechanism. These fuses are activated when temperature +72°C has been
exceeded (the fuse Tf1 when the temperature around the damper and the fuses Tf2 when the
temperature inside the air-conditioning piping has been exceeded). After the thermal fuse Tf1 or Tf2
has been activated, the power supply is permanently and irreversibly cut off and the actuating
mechanism, by means of the pre-stretched spring, displaces the damper blade into the breakdown
position "CLOSED".
Signalisation of damper blade position "OPEN" and "CLOSE" is provided by two limit switches.
BAT
1(COM) - black wire
2(NC) - gray wire
4(NO) - blue wire
AC 230V / 5A
IP 67
-25°C … +120°C
This limit switch is possible to connect in following two versions:
a) if the arm is moving … connect wire 1+2
b) if the arm is moving … connect wire 1+4
Actuating
mechanism

6
12 S3
S1 S2 S5S4 S6
NL1
<5° <80°
BAT
Tf Tf LED
12 S3
S1 S2 S5S4 S6
<5° <80°
BAT
Tf Tf LED
~
- +
Nominal voltage AC 230 V 50/60 Hz AC 24 V 50/60 Hz
DC 24 V
Power consumption - motoring
- holding
3,5/5 W
1,1/2,1 W
2,5/4 W
0,8/1,4 W
Dimensioning 6,5/10 VA (Imax 4 A @ 5 ms) 4/6 VA (Imax 8,3 A @ 5 ms)
Protection class II III
Degree of protection IP 54
Running time - motor
- spring return
<60 s
~ 20 s
Ambient temperature
- normal duty
- safety duty
- non-operating temperature
- 30°C … +55°C
The safe position will be attained up to max. +75°C
- 40°C … +55°C
Connecting - motor
- auxiliary switch
cable 1 m, 2 x 0,75 mm² (BFL 24-T-ST) with 3-pin plug-in connectors
cable 1 m, 6 x 0,75 mm² (BFL 24-T-ST) with 6-pin plug-in connectors
Thermal trips duct outside temperature +72°C
duct inside temperature +72°C

7
Design with the communication and supply device BKN 230-24 and the actuating mechanism
BFL 24-T. It simplifies electrical wiring and interconnection of fire flap valves. It facilitates on site
check and enables central control and checks of fire damper by means of a simple 2-conductor
wiring.
BKN 230-24 functions as a decentralized network device for supplying the actuating mechanism
BFL 24-T with a spring back drive on one hand and on the other hand it transmits the signal
informing about the flap valve position OPERATION and FAILURE through 2-conductor wiring to
the central. Control command SWITCHED ON - SWITCHED OFF from the central through BKN
230-24 goes through the same wiring to the actuating mechanism.
To simplify the connection, the actuating mechanism BFL 24-T is equipped with
connecting plugs that are inserted directly to BKN 230-24. BKN 230-24 is supplied with a
conductor and an EURO plug to be connected to the 230V mains. 2-conductor wiring is
connected to BKN 230-24 by means of terminals 6 and 7. If the drive is supposed to be controlled
without any signal from the central, it can be switched on by means of a bridge between the
terminals 3 and 4. A green LED pilot light on BKN 230-24 is on when voltage is present in the
drive (AC 24V).
If the button on BAT is switched on or if the power supply (e.g. by a signal from ELECTRICAL
FIRE SIGNALISATION ) is disconnected, the damper position will be "FAILURE".
BAT
BKN
Actuating
mechanism

8
Nominal voltage AC 230 V 50/60Hz
Power consumption 3,5 W (operating position)
Dimensioning 11 VA (including actuating mechanism with spring return)
Protection Class II
Degree of protection IP 40
Ambient temperature
Non-operating temperature
-20°C … +50°C
-40°C … +80°C
Connection - net
- motor
- terminal board
cable 0,9 m with EURO plug type 26
6-pole connector, 3-pole connector
screw terminals for cable 2x1,5 mm²
1
2
3
4
5
6
7b
a
1)1)
2)
BAT
1) Bridge has been installed by the manufacturer. If needed, it can be
removed ad replaced with a thermoelectric starting mechanism. If
terminals 1 and 2 are not interconnected, safety function is initiated.
2) Bridge can be used only for starting and without BKS24… !
Two conductor wiring to BKS24

9
BKS 24-1B communication and control device is used for control and checks of fire dampers with
the BFL 24-T-ST actuating mechanism in conjunction with the BKN 230-24 supply and
communication device. BKS 24-1B receives information about the situation of the fire damper
through the BKN 230-24 supply and communication device and issues controlling commands.
The device is intended for building in into the distribution board. Light diodes on the front side of
the device signalise the operating situations of the damper and breakdowns of the whole system.
Potentialless auxiliary contacts enable connection to the master control system (signaling of the
damper position, failure reports, release of the ventilators etc.).
While a flashing green LED pilot light signalises damper blade motion towards the given position,
the same pilot light reports reaching the required position when shining constantly. If the flap
blade, with respect to the given time, does not reach the required position, then a red LED pilot
light starts to flash and at the same time, the failure contact is active. Once the damper blade
reaches the given position, this contact is deactivated. The LED pilot light keeps flashing unless
the failure is unblocked by means of the RESET button. Except for reporting failures, other three
auxiliary contacts are available. Contacts showing operating and failure position of the damper
are active when the damper is in the given position. Function check can be done by pressing and
holding the button "RESET/TEST" for longer time. While holding the button, the damper blade
moves in the direction of the failure position. Fault function is indicated by the LED pilot light.
BKS 24-1B can be connected by means of ZSO-11 11 pole connector for DIN 35 mm panel.
4
7
8
2
10
1
5
9
an insulation
transformer
~
damper position
breakdown
Notice: Relay contacts are drawn
without power
11
b
a
2-conductor wiring
to BKN230-24
Control
on /off
Reset
Test
External buton
optional
be interchanged
6
3
AC
24V
damper position
operation
Reset
Test
open
closed
alarm
failure
Connection through
conection can
not available
, starting with switching AC 24 on or pressing
«Reset/Test» button
possible cause: • short circuit or interruption of 2-conductor wiring
or damper failure (at BKN..) • Power supply AC 230V missing • defective
thermoelectrical starting • smoke detector activated • exceeded operation time
• Fault in system signalled, system check should be
done
Damper (drive) turning into of breakdown position
Damper (drive) in
Damper (drive) turning into of operating position
Damper (drive) in
light diodes contacts Description
Cause/Course
state
open closed alarm
closed
flashing
63
63
67
64
64
63
63
67
switched
closed closed
closed closed
closed closed
closed
closed
closed
closed
closed
closed
closed
closed
open open open
open
open
open
flashing
flashing
• damper blocked

10
Nominal voltage AC 24 V 50/60Hz
Power consumption 2,5 W (operating position)
Dimensioning 5 VA
Protection Class III
Degree of protection IP 30
Ambient temperature 0 … +50°C
Connection 11-pole connector ZSO-11, it is not part of BKS24-1B,
ZSO-11 is 11-pole screw terminal 11 x 1,5 mm²
BKS 24-9A communication and control device is used for group control and checks of 1 to 9 fire
dampers with the actuating mechanism BFL 24-T-ST in connection with the supply and
communication device BKN 230-24. Signalisation of the damper position is individual; the
damper can be controlled and tested only as a group. BKS 24-9A is intended for use in the
distribution board and displays the operation situations and failure reports of the connected fire
dampers. It is possible to signalise functions such as the damper position and failure reports or to
transmit them further to the system by means of integrated auxiliary switches. BKS 24-9A
receives signals from BKN 230-24 through the two-conductor wiring and issues control
commands. Proper damper operation is indicated by two light LED diodes:
Control ON = position OPERATION
Control OFF = position FAILURE
If the fire damper do not reach the given position in time tolerable for displacing, the appropriate
light diode FAILURE starts to flash and K1 contact is opened (current failure). In case that the
faulty damper finally reaches its given position, K1 is closed and the failure report light shines (the
failure is saved in memory). K2 - the auxiliary contact - is used for signaling of the flap position to
the master device. Function of this auxiliary contact can be programmed through the terminal
14 according to the Tab. 3.2.1.
current failure 15 16
no failure 15 16
K2 contact is on if all the
flaps are open 14 11
17 18
K2 contact is on if the flap
No. 1 is open 14 12
K2 contact is on if all the
flaps are closed 14 open
Function check can be done in the position OPERATION by means of pushing the TEST button.
While the button is pushed, the flap blade is turning into the position FAILURE. Fault function is
indicated by a report "FAILURE". Assembly and connection BKS 24 - 9A can be made by DIN
35 mm panel. It is connected by two 9-pole plug-in connectors.

11
Nominal voltage AC 24 V 50/60Hz
Power consumption 3,5 W
Dimensioning 5,5 VA
Protection Class III
Degree of protection IP 30
Ambient temperature 0 … +50°C
Connection terminal 2 x 1,5 mm²

12
Dimensions, weights and effective area
- 2,9 2,8 0,0031 15 BFL M1
- 3,2 3,1 0,0062 15 BFL M1
- 3,3 3,2 0,0085 15 BFL M1
- 3,4 3,3 0,0103 15 BFL M1
- 3,5 3,5 0,0123 15 BFL M1
- 3,9 3,8 0,0166 15 BFL M1
- 4,2 4,1 0,0215 15 BFL M1
- 4,5 4,5 0,0275 15 BFL M1
8 4,8 4,7 0,0354 15 BFL M2
23 5,3 5,2 0,0462 15 BFL M2
40,5 5,9 5,8 0,0606 15 BFL M2
60,4 7,2 6,4 0,0776 15 BFL M2
83 8,0 7,3 0,1015 15 BFL M2

13
Position:
1 Damper casing
2 Mechanic
3 Damper blade
4
Inspection hole covering
5 Sensor sticker
6 Hole for camera
300
50
120
ØD
110
400
180
50
Position:
1 Damper casing
2
Actuating mechanism
3 Damper blade
4 Inspection hole covering
5
BAT thermoelectrical starting mechanism
6 Hole for camera
300
50
53
110
400
180
50
ØD

14
Blades overlaps
For the design .60 (with BKN supply and communication device) add to weight of the damper with
an actuating mechanism (from the Tab 4.4.1.) the weight of BKN (0.5 kg).
Side without act. mechanism "a" Tab. 4.1.1
a

15
The fire dampers are suitable for installation in arbitrary position in vertical and horizontal passages
of fire separating structures. The damper assembly procedures must be done so that all load transfer
from the fire separating constructions to the damper body is absolutely excluded. The back-to-back
air-conditioning piping must be suspended or supported so that all load transfer from the back-to-
back piping to the damper flanges is absolutely excluded. The gap between the installed damper and
the building structure must be perfectly filled with approved material all over its volume.
To provide the necessary space for access to the control device, all other items must be situated at
least 350 mm from the control parts of the damper. At least one inspection hole must be accessible.
The damper must be installed so that the damper blade (in closed position) is situated in the fire
separating structure - marked by the label BUILD-IN EDGE on the damper body. If such solution is
not possible, the piping between the fire separating structure and the damper blade must be
protected according to the certified installation method, see Section 6.
During the installation and plastering process, the control mechanism must be protected (covered)
against damage and pollution. The damper body should not be deformed during bricking in. Once
the damper is built in, the damper blade should not grind on the damper body during opening or
closing.
The distance between the fire damper and the structure (wall, ceiling) must be 75 mm at the
minimum. If two or more dampers are to be installed in one fire separating structure, the distance
between adjacent dampers must be 200 mm at the minimum, according to EN 1366-2 paragraph
13.5. For admissible exceptions see Section 6.
Built in edge
300
190 5050 50
400
"Wall edge sticker" indicates the recommended edge of installation of fire damper into the fire partition structure (wall).
The damper must be installed so that the entire damper blade - in the closed position - is located inside the fire separating structure
(wall) and at the same time the control mechanism and inspection openings are freely accessible.
Distance between dampers 200 mm is acc. to EN 1366-2.
FDMR 60 has option to by installed one next to each other,
so called "in assembly" installation.

16
The fire damper can be integrated into a solid wall construction made e.g. of normal concrete/
masonry, porous concrete with minimum thickness 100 mm or into solid ceiling construction made
e.g. of normal concrete with minimum thickness 110 mm or porous concrete with minimum
thickness 125 mm.
The fire damper can be integrated into a gypsum wall construction with fire classification EI 120
or EI 90.
Examples of fire damper installing

17
100 Mortar or gypsum
EIS 60
18
100 Stuffing box and fire protection mastic 18
100 Installation next to wall - mortar or gypsum and
mineral wool 19
100 Mineral wool - stuffing box and fire protection
mastic - ISOVER_ULTIMATE PROTECT 20
100 Mortar or gypsum 21
100 Stuffing box and fire protection mastic 21
100 Installation next to wall - mortar or gypsum and
mineral wool 22
100 Mineral wool - stuffing box and fire protection
mastic - ISOVER_ULTIMATE PROTECT 23
110 - Concrete
125 - Aerated concrete
Mortar or gypsum 24
Stuffing box and fire protection mastic 24
Mineral wool - mortar or gypsum -
ISOVER_ULTIMATE PROTECT 25
100 Stuffing box and fire protection mastic, coating
and cement lime plate 26
100 Mineral wool - stuffing box and fire protection
mastic, coating and cement lime plate 27
100 Mortar or gypsum 28
100 Gypsum wall-mounted shaft construction on one
side - stuffing box and fire protection mastic 29
100 Stuffing box and fire protection mastic 29

18
≥ 40
≥ 100
Position:
1 Fire damper
2 Solid wall construction
3 Mortar or gypsum
4 Duct
Position:
1 Fire damper
2 Solid wall construction
3
Stuffing box (mineral stone wool min. density 140 kg/m³)
4 Fire protection mastic min. thickness 1 mm
Used materials - example:*
3
Promapyr, Rockwool Steprock HD, Hilti CFS-CT B 1S 140/50
4 Promastop - P, K, Hilti CFS-CT
≥ 50
≥ 25
≥ 100
* Fire resistant insulation and fire resistant board can be
replaced by another approved fire sealing system for
damper installation with equivalent material properties.
4

19
≥ 100
(≥ 100)+50
D-20
≥ D+100
D-20
D-20
≥ 100
≥ D+100
≥ 10*
≥ 10*
≥ 10*
≥ 10*
Position:
1 Fire damper
2 Mortar or gypsum
3Stuffing box (mineral stone wool min. density 140 kg/m³)
●Gap between damper and construction is filled
by mortar or gypsum and mineral wool
●Wool is fixed to damper body and construction
by fire protection mastic.
●Mineral wool thickness = construction thickness
+ 20 mm or 50 mm
●Installation is valid for ceiling construction

20
Position:
1 Fire damper
2 Solid wall construction
3 Stuffing box (mineral stone wool
min. density 140 kg/m³)
4 Fire protection mastic min. thickness 1 mm
5 Stone wool with wired mat on one side,
density 66 kg/m³
6 Duct
** The materials for stuffing box, fire protection mastic, lining and insulation materials
can be replaced by another approved fire sealing system with equivalent properties.
The maximum distance of the fire damper from the structure is not limited and
according to EN 15882-2, the required number of suspensions acc. to EN 1366-
1:2014 must be used.
Used materials - example:**
3
Promapyr, Rockwool Steprock HD, Hilti CFS-CT B 1S 140/50
4 Promastop - P, K, Hilti CFS-CT
5 System ISOVER_ULTIMATE PROTECT, th. 100 mm
≥ 25*
≥ 100
≥ 40*
* Around the perimeter
4