Mandik alnor FDMD User manual

EN 15650:2010
ALNOR Systemy Wentylacji Sp. z o.o.
Aleja Krakowska 10, 05-552 Wola Mrokowska
tel. [phone], fax. [phone]
www.alnor.com.pl
®
FIRE DAMPER FDMD

TPM 092/13
2
These technical specifications state a row of manufactured sizes and models of fire dampers (further only dampers)
FDMD. It is valid for production, designing, ordering, delivery, assembly and operation.
II. GENERAL INFORMATION 3
1. Description......................................................................................................................... 3
2. Design................................................................................................................................ 4
3. Dimensions, weights........................................................................................................... 6
4.PlacementandAssembly.................................................................................................... 7
5. Statement ofinstallations.................................................................................................... 9
III. TECHNICAL DATA 10
6. Pressure loss...................................................................................................................... 10
7.Coefficientof localpressureloss......................................................................................... 11
8.Noisedata........................................................................................................................... 11
9.ElectricalComponents,ConnectionDiagrams.................................................................... 13
IV. ORDERING INFORMATION 16
10. Ordering key..................................................................................................................... 16
V. DATA OF PRODUCT 16
11.Datalabel.......................................................................................................................... 16
VI. MATERIAL, FINISHING 17
12. Material............................................................................................................................. 17
VII. INSPECTION, TESTING 17
12.Inspection, testing............................................................................................................. 17
VIII. TRANSPORTATION AND STORAGE 17
14.Logisticterms.................................................................................................................... 17
IX. ASSEMBLY, ATTENDANCE, MAINTENANCE AND REVISIONS 18
15. Assembly.......................................................................................................................... 18
16.Entryintoserviceand revisions......................................................................................... 18
I. CONTENT

TPM 092/13
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II. GENERAL INFORMATION
1. Description
1.1.
Fire dampers are shutters in piping systems 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
air piping in the points of fire separating constructions.
1.2. Basic dampers parameters
- fire damper tests provided according to EN 1366-2 and EN 15650.
- fire damper classified according to EN 13501-3 + A1 as
EI 90 (ve ho i o) S
- casing (external) leakage classified as class C according to EN 1751
- closed blade (internal) leakage classified as class 2 according to EN 1751
- fulfil all the prescribed requirements of EN 15650, art. 4.2.2. Protection against corrosion
- dampers are classified as C10000 (cycling test) according to EN 15650
1.3.
Dampers blade automatically closes air duct using a shutting spring or an actuating mechanism
back spring. The back spring of the actuating mechanism is started when the thermoelectrical
starting mechanism BAE 72B-S is activated, when a reset button on BAE 72B-S is pushed or
when a power supply of the actuating mechanism is stopped.
1.4. The damper is sealed with a silicon packing against smoke penetration after closing the blade. At
the same time, the damper blade is bedded in a material which enlarges its capacity and air
proofs the air duct.
1.5. Operation of the dampers does not depend on the direction of air circulation. The dampers can
be located in an arbitrary position.
1.6.
Dampers have one inspection hole, since the shutting device and the inspection hole can be set
into the most advantageous position (with respect to the operation and manipulation with the
control device).
1.7. Exact damper function is provided under the following conditions:
a) Maximum air circulation speed: 12 m.s
-1
Maximum pressure difference: 1500 Pa
b) Dampers could be displaced into position “CLOSED” only in case that ventilator, or Air
Handling Unit is switched off. The goal is the securing of proper closing and safe
function of Fire Damper in case of Fire.
c) The air circulation in the whole damper section must be secured as steady on whole
surface.
1.8. Dampers are designed for macroclimatic areas with mild climate according to EN 60 721-3-3.
1.9. Dampers are suitable for systems without abrasive, chemical and adhesive particles.
1.10. Temperature in the place of installation is permitted to range from - 20°C to + 50°C.
1.12. In this document are used next signs and units.
1.11. If is not noticed other way, all dimensions and weight are in millimeters and kilograms.
Key :
w [m.s
-1
] air velocity
p [Pa] pressure loss
L
w
[dB] level of acoustic output
[ ] pressure loss coefficient
[kg.m
-3
] density
D [mm] dimension
S [m
2
] area

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2. Design
2.1.1.
Design with mechanical control with a thermal protective fuse which actuates the shutting device
within 120 seconds at latest after the nominal start temperature 73 °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°Cor+147°Ccanbesupplied(thisrequirementmustbespecifiedin theorder).
2.1. Design with mechanical control
2.1.2.
Design with mechanical control according to the paragraph 2.1.1. can be complemented with a
terminal switch signaling of the damper blade position "CLOSED". Terminal switch is connected
via damper casing.
2.2.2.
Design with the communication and supply device BKN 230-24 and the actuating mechanism
BLF 24-T-ST. It simplifies electrical wiring and interconnection of fire damper. 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
BLF 24-T-ST with a spring back drive on one hand and on the other hand it transmits the signal
informing about the fire damper 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 BLF 24-T-ST 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 BAE 72-S is switched on or if
the power supply (e.g. by a signal from ELECTRICAL FIRE SIGNALISATION ) is disconnected,
the fire damper position will be "FAILURE".
2.2.3.
Signaling damper blade position "OPEN" and "CLOSED" is secured by two built-in, firmly set
terminal switches.
2.2. Actuating mechanism
2.2.1.
Design with an actuating mechanism BLF 24-T or BLF 230-T (further only "actuating
mechanism"). After being connected to power supply AC/DC 24V or 230V, the actuating
mechanism displaces the damper blade into operation position "OPEN" and at the same time it
pre-stretches its back spring. When the actuating mechanism is under voltage, the damper blade
is in the position "OPEN" and the back spring is pre-stretched. Time needed for full opening of
the flap blade from the position "CLOSED" to the position "OPEN" is maximum 140s. If the
actuating power supply is cut off (due to loss of supply voltage, activation of thermoelectrical
actuating mechanism or pushing the reset button on the thermoelectrical starting mechanism
BAE 72B-S), the back spring displaces the damper blade into the breakdown position "CLOSED".
The time of displacing the blade from the position "OPEN" to the position "CLOSED" takes
maximum 16 s. In case that the power supply is restored again (the blade can be in any position),
the actuating mechanism starts to re-displace the damper blade into the position "OPEN".
A thermoelectrical starting mechanism BAE 72B-S, which contains three thermal fuses Tf1 and
Tf2/Tf3, 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/Tf3 when the temperature inside the air-conditioning piping has been exceeded). After the
thermal fuse Tf1 or Tf2/Tf3 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".

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2.3. Communication and control devices
2.3.1.
BKS 24-1B communication and control device is used for control and checks of fire flap valves
with the BLF 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.
Nonpotential auxiliary contacts enable connection to the master control system (signalisation of
the damper position, failure reports, release of the ventilators etc.).
While a flashing green LED pilot light signalises flap blade motion towards the given position, the
same pilot light reports reaching the required position when shining constantly. If the damper, 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.
2.3.2.
BKS 24-9A communication and control device is used for group control and checks of 1 to 9 fire
dampers with the actuating mechanism BLF 24-T-ST in connection with the supply and
communication device BKN 230-24. Signalisation of the damper position is individual; the
dampers 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 dampers 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-theauxiliarycontact-isusedforsignalisationoftheflappositiontothemasterdevice.Function
of this auxiliary contact can be programmed through the terminal 14 according to the Tab. 2.2.1.
Tab. 2.3.1. BKS 24 -9A contacts K1 and K2
K1 Function Contact
Situation State
Current Failure
15 16
No Failure
15 16
Programming K2 Auxiliary Contact
Function Interconnection State
K2 contact is on if all the
damperss are open 14 11
17 18
K2 contact is on if the damper
No. 1 is open 14 12
K2 contact is on if all the
dampers 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".
2.4.
Design of the FDMD in terms of design. It shall be marked with the first and second additional digit
after the dot in the ordering key.

TPM 092/13
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Fig. 1
Fig. 2 Fire damper FDMD - design with mechanical control
Dampers design Additional digit
Thermal .01
Thermal with a terminal switch ("CLOSED") .11
With actuating mechanism BLF 230-T .40
With actuating mechanism BLF 24-T .50
With communication and supply device BKN 230-24 and actuating mechanism BLF 24-T-ST* .60
Tab. 2.4.1. Dampers design
*
communication and supply device BKN 230-24 has to be placed near the damper. It is necessary for easy connection of
actuating system equipped by BKN 230-24 device.
3. Dimestions, weig ts
3.1. Dimensions

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Position:
1 Damper casing 5 Terminal switch
2 Damper blade 6 Inspection hole covering
3 Shutting spring 7 Actuating mechanism
4 Thermal protective fuse 8 BAE 72B-S thermoelectrical starting
mechanism
Tab. 3.2.1. Weights and effective area
Size
D
Weight [kg] Effective area S
ef
[m
2
]Actuating
mechanism
mechanical
control actuating mechanism
100 1,2 3,3 0,0032 BLF
125 1,4 3,7 0,0063 BLF
140 1,6 3,9 0,0086 BLF
150 1,7 4,0 0,0102 BLF
160 1,8 4,1 0,0122 BLF
180 2,1 4,4 0,0164 BLF
200 2,6 4,7 0,0213 BLF
3.2. Weights and effective area
4.1.
Fire dampers are suitable for installation in arbitrary position in vertical and horizontal passages
of fire separating constructions. Damper assembly procedures must be done so as all load
transfer from the fire separating constructions to the damper body is absolutely excluded.
Back-to-back air-conditioning piping must be hung or supported so as all load transfer from the
back-to-back piping to the damper is absolutely excluded.
Fig. 3 Fire damper FDMD - design with actuating mechanism
4. Placement and Assembly

TPM 092/13
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4.2. To provide needed access space to the control device, all other objects must be situated at least
350 mm from the control parts of the damper. Inspection hole must be accessible.
4.3.
The distance between the fire damper and the construction (wall, ceiling) must be minimum
75 mm. In case that two or more dampers are supposed to be installed in one fire separating
construction, the distance between the adjacent dampers must be at least 200 mm according to
EN 1366-2 paragraph 13.5.
Fig. 5 Installation of two or more dampers in one fire
separating construction
min.200
min.75
min.75
4.4.
After installation has to be damper blade placed (in position “CLOSED”) inside of fire separating
construction.
4.5.
The control mechanism has to be protected (covered) against damage and pollution during
installation process. All fire dampers has to be closed during installation process. The damper
body should not be deformed in the course of bricking in. Once the damper is built in, its blade
should not grind on the damper body during opening or closing.
4.6. Installation opening dimensions
Fig. 6 Installation opening - Space between damper
and wall is filled by mortar Fig. 7 Installation opening - Space between damper
and wall is filled by mineral stone wool and fire
protection mastic

TPM 092/13
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Fig. 8 Installation opening - system Weichschott
Tab. 5.1.1. Statement of installations
Size FDMD installation Classifi-
cation Figure
100-200
Damper installed in a solid wall construction min. thickness 100 mm.
Space between damper and wall is filled by mortar, gypsum (notice 1) EIS 90 9
Damper installed in a solid wall construction min. thickness 100 mm.
Space between damper and wall is filled by mineral stone wool min.
density 140 kg/m
3
). Surface is covered by fire protection
mastic min. thickness 1 mm (notice 1)
EIS 90 10
Damper installed in a gypsum wall construction, classification EI 90.
Space between damper and wall is filled by mineral stone wool min.
density 140 kg/m
3
). Surface is covered by fire protection
mastic min. thickness 1 mm
EIS 90 11
Damper installed in a solid wall construction min. thickness 100 mm.
Space between damper and wall is filled by system Weichshott (notice 1) EIS 90 12
Damper installed in a gypsum wall construction, classification EI 90.
Space between damper and wall is filled by system Weichshott. EIS 90 13
Damper installed in a solid ceiling construction min. thickness 150 mm.
Space between damper and wall is filled by mortar, gypsum (notice 2) EIS 90 14
Damper installed in a solid ceiling construction min. thickness 150 mm.
Space between damper and wall is filled by mineral stone wool min.
density 140 kg/m
3
). Surface is covered by fire protection
mastic min. thickness 1 mm (notice 2)
EIS 90 15
Damper installed in a solid ceiling construction min. thickness 150 mm.
Space between damper and wall is filled by system Weichshott (notice 1) EIS 90 16
NOTICE:
1) Solid wall construction: normal concrete/masonry or porous concrete with minimum thickness 100 mm
2) Solid ceiling construction: normal concrete/masonry or porous concrete with minimum thickness 150 mm
5. Statement of installations
5.1. Statement of installations

TPM 092/13
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1
2
POSITION
1 Fire damper FDMD
2 Mortar or gypsum with min.
density 800 kg/m
3
2
Fig. 9 Installation in a solid wall construction
Fig. 10 Installation in a solid wall construction
Fig. 11 Installation in a solid wall construction
1
1
2
POSITION
1 Fire damper FDMD
2 Stuffing box (mineral stone wool
min. density 140 kg/m
3
)
3 Fire protection mastic min.
thickness 1 mm
2
1
3
3
Used materials - example*:
2 Promapyr, Rockwool Steprock HD
3 Promastop - P, K
* Stuffing box and fire protection mastic can be replaced by another approved
fire sealing system for damper installation with equivalent material properties.
1
2
POSITION
1 Fire damper FDMD
2 Fire resistant board
3 Fire stop coating thickness 1 mm
2
1
3
3
Used materials - example*:
2 Hilti CP673 PF
3 Hilti CP673

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Fig. 12 Installation in a gypsum construction
Fig. 13 Installation in a gypsum construction
1
2
POSITION
1 Fire damper FDMD
2 Stuffing box (mineral stone wool
min. density 140 kg/m
3
)
3 Fire protection mastic min.
thickness 1 mm
2
1
3
3
Used materials - example*:
2 Promapyr, Rockwool Steprock HD
3 Promastop - P, K
* Stuffing box and fire protection mastic can be replaced by another approved
fire sealing system for damper installation with equivalent material properties.
1
2
POSITION
1 Fire damper FDMD
2 Fire resistant board
3 Fire stop coating thickness 1 mm
2
1
3
3
Used materials - example*:
2 Hilti CP673 PF
3 Hilti CP673
Fig. 14 Installation in a solid ceiling construction
1
2
POSITION
1 Fire damper FDMD
2 Mortar or gypsum with min.
density 800 kg/m
3
2
1

TPM 092/13
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Fig. 15 Installation in a solid ceiling construction
1
2
POSITION
1 Fire damper FDMD
2 Stuffing box (mineral stone wool
min. density 140 kg/m
3
)
3 Fire protection mastic min.
thickness 1 mm
2
1
3
3
Used materials - example*:
2 Promapyr, Rockwool Steprock HD
3 Promastop - P, K
* Stuffing box and fire protection mastic
can be replaced by another approved
fire sealing system for damper
installation with equivalent material
properties.
Fig. 16 Installation in a solid ceiling construction
1
3
POSITION
1 Fire damper FDMD
2 Fire resistant board
3 Fire stop coating thickness 1 mm
2
1
3
2
Used materials - example*:
2 Hilti CP673 PF
3 Hilti CP673
6. Pressure loss
6.1. Pressure loss calculation
III. TECHNICAL DATA
p = w
2
2
p [Pa] presure loss
w [m.s
-1
] air flow speed in nominal damper section
[kg.m
-3
] air density
[-] coefficient of local pressure loss for the nominal damper section
(see Tab. 7.1.1.)

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Tab. 7.1.1. Coefficient of local pressure loss
D 100 125 140 150 160 180 200
2,736 2,099 1,781 1,527 1,272 0,929 0,636
Diagram 6.2.1. Pressure losses for air density =1,2 kg.m
-3
6.2. Determination of pressure loss by using diagram 6.2.1. = 1,2 kg.m
-3
7.1. Coefficient of local pressure loss (-)
7. Coefficient of local pressure loss
8. Noise data
8.1. Level of acoustic output corrected with filter A.
8.2. Level of acoustic output in octave ranges.
L
WA
[dB(A)] level of acoustic output corrected with filter A
L
W1
[dB] level of acoustic output L
W1
related to the 1 m
2
section (see Tab. 8.3.1.)
S [m
2
] effective area of the damper
K
A
[dB] correction to the weight filter A (see Tab. 8.3.2.)
L
WA
= L
W1
+ 10 log(S) + K
A
L
Woct
[dB] spectrum of acoustic output in octave range
L
W1
[dB] level of acoustic output L
W1
related to the 1 m
2
section (see Tab. 8.3.1.)
S
[m
2
] effective area of the damper
L
rel
[dB] relative level expressing the shape of the spectrum (see Tab. 8.3.3.)
L
Woct
= L
W1
+ 10 log(S) + L
rel

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8.3. Table of acoustics values
Tab. 8.3.1. Level of acoustic output L
W1
related to the 1 m
2
section
[-]
w [m.s
-1
] 0,1 0,2 0,3 0,4 0,6 0,8 1 1,5 2 2,5 3 3,5
2 9,0 11,5 14,7 16,9 20,1 22,3 24,1 27,2 29,4 31,2 32,6 33,8
3 16,7 22,1 25,3 27,5 30,7 32,9 34,6 37,8 40,0 41,7 43,2 44,4
4 24,2 29,6 32,8 35,0 38,1 40,4 42,1 45,3 47,5 49,2 50,7 51,9
5 30,0 35,4 38,6 40,8 44,0 46,2 47,9 51,1 53,3 55,1 56,5 57,7
6 34,8 40,2 43,3 45,6 48,7 51,0 52,7 55,8 58,1 59,8 61,2 62,4
7 38,8 44,2 47,3 49,6 52,7 55,0 56,7 59,9 62,1 63,8 65,2 66,4
8 42,3 47,7 50,8 53,1 56,2 58,4 60,2 63,3 65,6 67,3 68,7 69,9
9 45,4 50,7 53,9 56,1 59,3 61,5 63,3 66,4 68,6 70,4 71,8 73,0
10 48,1 53,5 56,6 58,9 62,0 64,3 66,0 69,1 71,4 73,1 74,5 75,7
11 50,6 56,0 59,1 61,4 64,5 66,7 68,5 71,6 73,9 75,6 77,0 78,2
12 52,8 58,2 61,4 63,6 66,8 69,0 70,7 73,9 76,1 77,9 79,3 80,5
Tab. 8.3.2. Correction to the weight filter A
w [m.s
-1
] 2 3 4 5 6 7 8 9 10 11 12
K
A
[dB]
-15,0 -11,8 -9,8 -8,4 -7,3 -6,4 -5,7 -5,0 -4,5 -4,0 -3,6
Tab. 8.3.3. Relative level expressing the shape of the spectrum L
rel
f [Hz]
w [m.s
-1
] 63 125 250 500 1000 2000 4000 8000
2 -4,5 -6,9 -10,9 -16,7 -24,1 -33,2 -43,9 -56,4
3 -3,9 -5,3 -8,4 -13,1 -19,5 -27,6 -37,4 -48,9
4 -3,9 -4,5 -6,9 -10,9 -16,7 -24,1 -33,2 -43,9
5 -4,0 -4,1 -5,9 -9,4 -14,6 -21,5 -30,0 -40,3
6 -4,2 -3,9 -5,3 -8,4 -13,1 -19,5 -27,6 -37,4
7 -4,5 -3,9 -4,9 -7,5 -11,9 -17,9 -25,7 -35,1
8 -4,9 -3,9 -4,5 -6,9 -10,9 -16,7 -24,1 -33,2
9 -5,2 -3,9 -4,3 -6,4 -10,1 -15,6 -22,7 -31,5
10 -5,5 -4,0 -4,1 -5,9 -9,4 -14,6 -21,5 -30,0
11 -5,9 -4,1 -4,0 -5,6 -8,9 -13,8 -20,4 -28,8
12 -6,2 -4,3 -3,9 -5,3 -8,4 -13,1 -19,5 -27,6

TPM 092/13
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Fig. 17 Calculation example
Given data Fire damper FDMD 200
V = 600 m
3
.h
-1
= 1,2 kg.m
-3
Octave range 1000 Hz
Tab. 3.2.1. S
ef
= 0,0213 m
2
Calculation: w [m.s
-1
] = (V [m
3
.h
-1
] / 3600) / S
ef
[m
2
]
w = 7,83 m.s
-1
Tab. 7.1.1. = 0,636
Calculation: p = . . (w
2
/2) = 0,636 . 1,2 . (7,83
2
/2) = 23,4 Pa
Tab. 8.3.1., Tab. 8.3.2. a
Tab. 8.3.3. L
W1
= 56,5 dB
K
A
= -5,5 dB
L
rel
= -10,7 dB (for1000 Hz)
Calculation: L
WA
= L
W1
+ 10 log(S
ef
) + K
A
= 56,5 + 10 log(0,0213) - 5,5 = 34,3 dB
L
Woct
= L
W1
+ 10 log(S
ef
) + L
rel
= 56,5 + 10 log(0,0213) - 10,7 = 29,1 dB
Tab. 9.1.1. Actuating mechanism BELIMO BLF 24-T(-ST), BLF 230-T
Actuating mechanism BELIMO BLF 24-T-ST(24-ST) BLF230-T
Nominal voltage AC 24V 50/60Hz
DC 24 V AC 230 V 50/60Hz
Power consumption - motoring
- holding 5 W 2,5 W 5W
3W
Dimensioning 7 VA (Imax 5,8 A @ 5 ms) 7 VA (Imax 150 mA @ 10 ms)
Protection Class III II
Degree of protection IP 54
Running time - motor
- spring return 40..75 s ~ 20 s
Ambient Temperature - normal duty
- safety duty
- non-operating temperature
- 30 °C … + 50 °C
The safe position will be attained up to max. 75°C
- 40 °C … + 50 °C
Connecting - motor
- auxiliary switch cable 1 m, 2 x 0,75 mm
2
cable 1 m, 6 x 0,75 mm
2
(BLF 24-T-ST) with pole plugs
Thermal trips Tf1: duct outside temperature 72°C
Tf2/Tf3: duct inside temperature 72°C
9. Electrical Components, Connection Diagrams
9.1. Actuating mechanism

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Fig. 18 Actuating mechanism BELIMO BLF 24-T(-ST)
Fig. 19 Servopohon BELIMO BLF 230-T
Tab. 9.2.1. Communication and Supply Device BKN 230-24
Communication and Supply Device BKN 230-24
Nominal voltage AC 230V 50/60Hz
Power consumption 3,5 W (operating position)
Dimensioning 11 VA (including actuating mechanism)
Protection Class II
Degree of protection IP 42
Ambient Temperature
Storage Temperature - 30 °C … + 50 °C - 40 °C … + 50 °C
Connection - mains
- drive
- terminal board
Cable 0,9 m with EURO plug of 26 type
6 pole plug, 3 pole plug
screw terminals for conductor 2x1,5 mm
2
9.2. Communication and Supply Device

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Fig. 20 Communication and Supply Device BKN 230-24
Fig. 21 Communication and Control Device BKS 24-9A
Tab. 9.3.2. Communication and Control Device BKS 24-9A
Communication and Control Device BKS 24-9A
Nominal voltage AC 24 V 50/60Hz
Power consumption 3,5 W (operating position)
Dimensioning 5,5 VA
Protection Class III (safe small voltage)
Degree of protection IP 30
Ambient Temperature 0 … + 50 °C
Connection Terminals for conductor 2 x 1,5 mm
2
9.3. Communication and Control Devices

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Tab. 9.3.1. Communication and Control Device BKS 24-1B
Communication and Control Device BKS 24-1B
Nominal voltage AC 24 V 50/60Hz
Power consumption 2,5 W (operating position)
Dimensioning 5 VA
Protection Class III (safe small voltage)
Degree of protection IP 30
Ambient Temperature 0 … + 50 °C
Connection Into ZSO-11 connector which is not a part of BKS 24-1B.
ZSO-11 connector has screw terminals 11 x 1,5 mm
2
Fig. 22 Communication and Control Device BKS 24-1B

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IV. ORDERING INFORMATION
10. Ordering key
FDMD
technical specifications
design acc. dle Tab. 2.3.1.
size
type
180
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.40
V. DATA OF THE PRODUCT
11. Data label
11.1. Data label is placed on the casing of fire damper.
Fig. 23 Data label
12. Material
VI. MATERIAL, FINISHING
12.1.
Damper bodies are supplied in the design made of galvanized plate without any other surface
finish.
12.2. Damper blades are made of fire resistant asbestos free boards made of mineral fibres.
12.3. Fasteners is galvanized.
VII. INSPECTION, TESTING
13. Inspection, testing
13.1.
The appliance is constructed and preset by the manufacturer, its operation is dependent on
proper installation and adjustment.

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14. Logistic terms
14.1.
Dampers are transported by box freight vehicles without direct weather impact, there must not
occur any sharp shocks and ambient temperature must not exceed + 40 °C. Dampers must be
protected against mechanic damages when transported and manipulated. During transportation,
the damper blade must be in the "CLOSED" position.
VIII. TRANSPORTATION AND STORAGE
14.2.
Dampers are stored indoor in environment without any aggressive vapours, gases or dust. Indoor
temperature must be in the range from -5 °C to +40 °C and maximum relative humidity 80 %.
Dampers must be protected against mechanic damages when transported and manipulated.
IX. ASSEMBLY, ATTENDANCE, MAINTENANCE AND REVISIONS
15. Assembly
15.1. All effective safety standards and directives must be observed during fire damper assembly.
15.2.
To ensure reliable fire damper function it is necessary to avoid blocking the closing mechanism
and contact surfaces with collected dust, fibre and sticky materials and solvents.
15.3. Manual operation
Without power supply, the damper can be operated manually and fixed in any required
position. Release of the locking mechanism can be achieved manually or automatically
by applying the supply voltage.
16. Entry into service and revisions
16.1.
Before entering the dampers into operation after assembly and after sequential revisions, checks
and functionality tests of all designs including operation of the electrical components must be
done. After entering into operation, these revisions must be done according to requirement set
by national regulations.
16.1.1.
In case that dampers are found unable to serve for their function for any cause, it must be clearly
marked. The operator is obliged to ensure so that the damper is put into condition in which it is
able to function and meanwhile he is obliged to provide the fire protection another appropriate
way.
16.2. Before entering the dampers into operation after their assembly and by sequential checks, the
following checks must be carried out for all designs.
16.1.2.
Results of regular checks, imperfections found and all-important facts connected with the damper
function must be recorded in the "FIRE BOOK" and immediately reported to the operator.
16.2.1.
Visual inspection of proper damper integration, inside damper area, damper blade, contact
surfaces and silicon sealing.
16.2.2.
Inspection hole disassembly: release the covering lid by unscrewing screws. Then tilt remove lid
from its original position.
16.3. Necessary checks has to be provided for variant with el. actuating as follows:
16.3.1.
Check of blade displacement into the breakdown position "CLOSED" can be done after cutting
off the actuating mechanism supply (e.g. by pressing the RESET button at the thermoelectrical
starting mechanism BAE 72B-S or cutting off the supply from ELECTRICAL FIRE
SIGNALISATION). Check of blade displacement back into the "OPEN" position can be done after
restoration of power supply (e.g. by releasing the RESET button or restoration of supply from
ELECTRICAL FIRE SIGNALISATION).