Alnor MANDIK FDMC Manuale utente

EN 15650:2010

ALNOR Systemy Wentylacji Sp. z o.o.

Aleja Krakowska 10, 05-552 Wola Mrokowska

tel. 22 7374000, fax. 22 7374004

www.alnor.com.pl

FIRE DAMPER

FDMC

TPM 083/12

These technical specifications state a row of manufactured sizes and models of fire dampers (further only dampers)

FDMC. 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 localpressure loss......................................................................................... 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.Entryintoserviceandrevisions......................................................................................... 18

I. CONTENT

TPM 083/12

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.

1.4.

The damper is sealed with a silicon packing against smoke penetration after closing the blade. At

the same time, the damper blade is bed in a material which enlarges its capacity and air proofs

the air duct.

1.3.

Dampers blade automatically closes air duct using 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.

1.5.

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).

1.6.

Exact damper function is provided under the following conditions:

a) Maximum air circulation speed: 12 m.s

-1

Maximum pressure difference: 1200 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.

1.7.

Dampers are designed for macroclimatic areas with mild climate according to EN 60 721-3-3.

1.8.

Dampers are suitable for systems without abrasive, chemical and adhesive particles.

1.9.

Temperature in the place of installation is permitted to range from - 20°C to + 50°C.

1.11.

In this document are used next signs and units.

1.10.

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

[dB] level of acoustic output

[ ] pressure loss coefficient

[kg.m

-3

] density

D, a [mm] dimension

S [m

] area

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 60 (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

TPM 083/12

2.1.2.

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".

2.1.3.

Signaling damper blade position "OPEN" and "CLOSED" is secured by two built-in, firmly set

terminal switches.

2.1.

Actuating mechanism

2.2.

Communication and control devices

2.2.1.

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. Design

2.1.1.

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".

TPM 083/12

Except for reporting failures, other three auxiliary contacts are available. Contacts showing

operatingandfailurepositionoftheflapvalveareactivewhentheflap valveisinthegivenposition.

Function check can be done by pressing and holding the button "RESET/TEST" for longer time.

While holding the button, the flap 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.

2.2.2.

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. 2.2.1. 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".

2.3.

Design of the FDMC in terms of design. It shall be marked with the first and second additional digit

after the dot in the ordering key.

Dampers design First and second

additional digit

With BLF 230-T actuating mechanism .40

With BLF 24-T actuating mechanism .50

With BKN 230-24 communication and supply device and with BLF 24-T-ST actuating

mechanism* .60

Tab. 2.3.1. Dampers design

communication and supply device has to be install near the damper for easy connection of actuating mechanism cables

TPM 083/12

Fig. 1

Fig. 2 Fire damper FDMC

3. Dimestions, weig ts

3.1.

Dimensions

Position:

1 Damper body 4 BAE 72B-S thermoelectrical starting mechanism

2 Damper blade 5 Inspection hole covering

3 Actuating mechanism

TPM 083/12

Tab. 3.2.1. Weight and effective area

Size

D a Weight

Effective area

]Actuating mechanism

100

-3,1 0,0036 BLF

125

-3,4 0,0068 BLF

140

-3,6 0,0092 BLF

150

-3,7 0,0109 BLF

160

-3,8 0,0129 BLF

180

-4,1 0,0172 BLF

200

-4,4 0,0222 BLF

225

-4,7 0,0293 BLF

250

95,5 0,0374 BLF

280

24 6,0 0,0484 BLF

315

41,5 6,6 0,0630 BLF

350

59 7,0 0,0793 BLF

355

61,5 7,3 0,0821 BLF

400

84 8,2 0,1065 BLF

3.2.

Weight and effective area

4. Placement and Assembly

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.

3.3.

For fire damper the open damper blade overlaps the damper body from dimension 250 by the

“a” value. These values are specified in the Tab. 3.2.1

Value has to be respected when projecting related air-conditioning piping.

Fig. 4 Value “a”

TPM 083/12

Fig. 5 Placement of the openings in the wall

4.4.

The control mechanism has to be protected (covered) against damage and pollution during

installation process.

4.5.

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

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. 6 Installation opening dimensions

min.200

min.75

TPM 083/12

Tab. 5.1.1. Statement of installations

Size FDMC installation Classifi-

cation Figure

100-400

Damper installed in a solid wall construction min. thickness 100 mm.

Space between damper and wall is filled by mortar, gypsum. EIS 60 7

Damper installed in a gypsum wall construction - fire classification EI 90.

Space between damper and wall is filled by mortar, gypsum. EIS 60 8

Damper installed in a ceiling wall construction min. thickness 150 mm.

Space between damper and wall is filled by mortar, gypsum. EIS 60 9

Position:

1 Fire damper FDMC

2 Mortar or gypsum with min. density 800 kg/m

Fig. 7 Damper installed on a solid wall construction

Position:

1 Fire damper FDMC

2 Mortar or gypsum with min. density 800 kg/m

Fig. 8 Damper installed on a gypsum wall construction

5. Statement of installations

5.1.

Statement of installations

TPM 083/12

Position:

1 Fire damper FDMC

2 Mortar or gypsum with min. density 800 kg/m

Fig. 9 Damper installed on a ceiling wall construction

Diagram 6.2.1. Pressure losses for air density =1,2 kg.m

-3

6. Pressure loss

6.1.

Pressure loss calculation

III. TECHNICAL DATA

6.2.

Determination of pressure loss by using diagram 6.2.1. = 1,2 kg.m

-3

p = w

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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