FDB2 FIRE AND GAS DAMPER - Halton

FDB2 Installation, operation and 

maintenance instructions 

Version: 10 

Date: 19.12.2012 

FDB2 

FIRE AND GAS DAMPER 

INSTALLATION, OPERATION AND 

MAINTENANCE INSTRUCTIONS 

Main sales office & factory 

Tel. +358 (0)2079 2200 

Fax. +358 (0)2079 22060 

http://www.haltonmarine.com 

Page 1 of 21



Version: 10 

Date: 19.12.2012 

Table Of Contents 

Chapter 

Page 

1. INSTALLATION INSTRUCTIONS ....................................................................................................................... 3 

1.1. General ............................................................................................................................................................ 3 

1.2. Installation of dampers .................................................................................................................................... 4 

1.3. Lifting instructions ............................................................................................................................................ 5 

1.4. Assembly in modules ....................................................................................................................................... 6 

2. OPERATION INSTRUCTIONS FOR ELECTRICAL DAMPERS ........................................................................ 9 

2.1. General ............................................................................................................................................................ 9 

2.2. Electrical control system .................................................................................................................................. 9 

2.3. Manual override ............................................................................................................................................... 9 

2.4. Wiring diagrams ............................................................................................................................................. 10 

3. OPERATION INSTRUCTIONS FOR PNEUMATIC DAMPERS ....................................................................... 13 

3.1. Normal operation ........................................................................................................................................... 13 

3.2. Manual override ............................................................................................................................................. 13 

4. INSTRUCTIONS FOR SPRING OPERATED DAMPER ................................................................................... 15 

5. MAINTENANCE................................................................................................................................................. 16 

5.1. Preventative ................................................................................................................................................... 16 

5.2. Service- and maintenance instructions.......................................................................................................... 16 

5.3. Corrective ...................................................................................................................................................... 17 

5.4. Instructions for replacing the fusible link........................................................................................................ 18 

6. ACCESSORIES ................................................................................................................................................. 19 

6.1. Circular counter flanges ................................................................................................................................. 19 

6.2. Rectangular counter flanges .......................................................................................................................... 19 

6.3. FD-CON-2 Fire Damper Switch ..................................................................................................................... 20 

6.4. FD-CON-R Advanced Fire Damper Switch ................................................................................................... 20 

6.5. External limit switches (2pcs Bernstein) ........................................................................................................ 20 

7. SPARE PART LIST ........................................................................................................................................... 21 


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Page 2 of 21



Version: 10 

Date: 19.12.2012 

1. INSTALLATION INSTRUCTIONS 

1.1. GENERAL 

Before any activity for installing the fire damper can be executed, ensure that: 

dimensions of fire damper and relevant penetration correspond. 

correct location has been selected. 

technical- and supply data of relevant fire damper correspond with requirements. 

Take into account the necessary service area, space for insulation dimensions and the motor side of the 

damper. 

Connections to circular ducts are enabled with separate installation frames that can be welded (or bolted with 

installation flanges + counter flanges) to ducts (see below). Installation frames can be ordered either for only 

one or for both sides of the damper. 


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Page 3 of 21



Version: 10 

Date: 19.12.2012 

1.2. INSTALLATION OF DAMPERS 

IN ACCORDANCE WITH SOLAS II-2/9.7.3.1.2 THE DAMPER SHOULD BE INSTALLED IN ORDER TO 

DELIVER CLEAR VIEW ON THE RED ARROW THAT INDICATES THE DAMPER POSITION 

When lifting or handling the fire damper, care must be taken to protect the mechanism from damage. 

DO NOT LIFT THE FIRE DAMPER BY THE ACTIVATING MECHANISM. 

After installation it is also advisable to protect the mechanism from dirt and mechanical damage, until 

the commissioning and/or final acceptance activities start (for instance: a wooden covering box). 

The fire damper can be installed in a horizontal, vertical or inclined position. However, it is 

recommended to provide the blade spindle to remain in the horizontal plane. 

In case of passing through decks or bulkheads, the fire damper shall be flanged on a separate 

penetration sleeve. These sleeves are mostly manufactured out of the same material and fire rating 

as the deck or bulkhead in which they are located, and provided with corresponding counter flanges. 

A suitable gasket if needed must be included between the flange faces to seal the joint. 

The fire damper must be installed square and true. Any distortion of the casing may cause jamming 

during operation. 

If the fire damper has to be insulated after installation (pending on the fire rating) ensure that the 

insulation does not impede the operation of the damper. 

The damper is approved for use in ducts penetrating bulkhead or deck Class A-0/A-15/A-30/A-60 

when damper and ventilation penetration are insulated similarly. The arrangement and necessary 

insulation of fire dampers frame and ducting in the vicinity of the partition is subject to approval in 

each case. 

If the fire damper is installed above a ceiling or under a false floor, an inspection/access hatch shall 

be provided for the accessibility for tests, service and/or maintenance. 

Different connections and connection methods are available through use of installation frames and flanges 


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Page 4 of 21



Version: 10 

Date: 19.12.2012 

1.3. LIFTING INSTRUCTIONS 

When lifting the damper, care must be taken to protect the mechanism and equipment from damage. Lift the 

damper only from the damper body. If the damper is lifted from above the damper lifting holes should be 

used. The damper can also be lifted either from below or by the installation holes if it is possible and 

permitted by other working regulations. 

DO NOT LIFT THE DAMPER BY THE ACTUATING MECHANISM OR FUSE MECHANISM. 


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Page 5 of 21



Version: 10 

Date: 19.12.2012 

1.4. ASSEMBLY IN MODULES 

Modular dampers are usually shipped in separate modules with all necessary connection parts attached. 

When assembling modules, please check that you have all the necessary parts: 

- With dampers there are flat steel bars attached to the shipment 

- Flat steel bars are equipped with appropriate size bolts for all threaded holes. 

- 4-module dampers are also shipped with two cross-shaped connection pieces. 

- A suitable amount of sealant material is supplied with each modular damper shipment. 

If you cannot find flat steel bars or bolts for the threaded holes, please check the damper shipment for 

attachments or other possibilities of loose items. If you are certain the flat steel bars, bolts or sealant 

tubes are not with the damper shipment, please contact Halton Marine. 

1.4.1. Sealant instructions 

Instructions for applying Pyrocryl (or similar) sealant: 

1. Check that the the each connection piece matches with the 

damper modules before applying the sealant. 

2. Apply a constant stream of sealant to each flat steel bar and the 

cross pieces. 

3. Install the flat steel bars and cross pieces as instructed. 


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Page 6 of 21



Version: 10 

Date: 19.12.2012 

1.4.2. Damper connection instructions 

2-module damper 

Note that 2 modules can also be attached vertically. 


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Page 7 of 21



Version: 10 

Date: 19.12.2012 

4-module damper 

NOTE: 4-module dampers are shipped with cross-shaped connection pieces (figure 6). Install a connection 

piece on both side of the damper for maximum air tightness (figure 7). 

IMPORTANT NOTICE! 

If a module damper is delivered already assembled as per customer request, it is the duty of the 

customer to tighten all module construction bolts in the installation phase! 


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Page 8 of 21



Version: 10 

Date: 19.12.2012 

2. OPERATION INSTRUCTIONS FOR ELECTRICAL DAMPERS 

2.1. GENERAL 

Electrical dampers can be fitted with many different types of electrical actuators that operate the damper 

blades. Electrical actuators usually include internal open/closed limit switches that can be used to detect the 

position of the damper from remote systems. 

The voltage and current required for each damper depends on the type of actuator. 

2.2. ELECTRICAL CONTROL SYSTEM 

Supply voltage depending on the actuator type is supplied to the junction box. This is connected via a micro 

switch/ fusible link assembly to the drive Actuator. This supply voltage provides the motive force to open the 

damper blade in which position it will remain as long as the supply voltage is maintained. 

Isolation of the Actuator from the supply voltage allow the spring-return forces in the Actuator to rotate it back 

through 90 degrees to the damper “closed” position. This is the basis of the “fail safe closed” mode of control. 

The movement of the damper blades is accomplished with a rotary, single-acting, spring-return Actuator, 

which is directly attached to one of the blade drive shafts. The other blades are connected to the driven shaft 

by means of a linkage mechanism. The damper open and closed conditions are selected by energizing or deenergizing 

the control voltage supply. 

The damper can be controlled from remote systems simply by turning the supply power on and off. Local 

control and monitoring can be achieved with FD-CON-2 accessory control boxes. Multitude of different 

additional limit switches and other components can be installed to the damper according to order 

specification. 

2.2.1. Normal operation 

A) To select damper ‘OPEN’ energize control voltage supply. Supply voltage will then pass via the micro 

switch /fusible link assembly into the damper Actuator hence opening the damper. 

B) To select damper ‘CLOSED’ de-energize the control voltage supply. The spring return Actuator closes 

the damper. 

2.2.2. Automatic damper closing 

The damper will automatically ‘CLOSE’ if the temperature of the air within the damper duct exceeds 50 

(option 74, 100) degrees centigrade thus breaking the fusible link which allows the micro switch to go into 

the “closed” position thus de-energies the spring return Actuator. 

2.3. MANUAL OVERRIDE 

Manual override functions for electrical dampers are always a special solution and depends heavily on the 

type of actuator used. If the manual override function is required in the order specification then a separate 

detailed manual will be supplied for this operation. 


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Page 9 of 21



Version: 10 

Date: 19.12.2012 

2.4. WIRING DIAGRAMS 

Models BF24, BLF24, BF120/230, BLF120 

Models BF24-T, BF230-T 


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Page 10 of 21



Version: 10 

Date: 19.12.2012 

Models Siemens GGA.126.1E/HA, GGA.226.1E/HA, GGA326.1E/HA, GNA.126.1E/HA, GNA.326.1E/HA 

Models Siemens GGA.126.1E/HA1, GGA326.1E/HA1 


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Page 11 of 21



Version: 10 

Date: 19.12.2012 

Models ExMax & RedMax (10 second closing time) 

Models ExMax & RedMax (3 second closing time) 


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Page 12 of 21



Version: 10 

Date: 19.12.2012 

3. OPERATION INSTRUCTIONS FOR PNEUMATIC DAMPERS 

3.1. NORMAL OPERATION 

Under normal operating conditions when instrument air is applied the pneumatic actuator holds the damper 

blades in the open position. 

Pneumatic damper requires a supply of clean and dry instrument air of 4-8 bar pressure. When air supply is 

cut, or pressure drops too low, the damper will automatically close. 

In a fire condition when the air temperature in the duct rises too high the spring loaded fusible link breaks and 

cuts the air supply via the fusible link valve. The limit temperature can be chosen with different temperature 

fusible links, the default temperature limit is 74°C. 

A quick exhaust valve is also installed in the pneumatic circuit of each fire damper. The purpose of this relief 

valve is to ease the vent-action. 

When the air pressure difference between the air supply line and the outgoing line to the pneumatic Actuator 

exceeds 1 bar the valve will automatically vent the outgoing line. Herewith the time for closing the fire damper 

blade will be shortened considerably. 

Fire dampers can be provided with multitude of different instruments and limit switches according to order 

specification. 

3.2. MANUAL OVERRIDE 

PNR (pneumatic rotating) type dampers can be fitted with manual override handle. Below is the graphical 

instruction for using the handle. 


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Page 13 of 21



Version: 10 

Date: 19.12.2012 

PNL (pneumatic linear) type dampers dampers can be fitted with manual override handle. 


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Page 14 of 21



Version: 10 

Date: 19.12.2012 

4. INSTRUCTIONS FOR SPRING OPERATED DAMPER 

A) Under normal operating conditions the fire damper blade is held in the “open” position by the arm (pos 1) 

and connecting rod of fusible link (pos 2). 

The internal fusible link includes a fusible link (pos 2), which in turn holds a spring return connecting rod. This 

connecting rod holds the spring (pos 4) and fire damper in open position. 

B) The fusible link is temperature sensitive and when the air passing through and/or the air surround the fire 

damper reaches a temperature of approximately 74 º°C, the link will shatter. 

When the link smelts (pos 2) the connecting-rod is released and the spring (pos 4) will close the fire damper. 

°C) If you want close the damper manually pull the knob (pos 3) release and the external spring (pos 4) will 

close the fire damper. 

To reset the damper to close position pull the knob (pos 3) and rotate the arm counter-clockwise (pos 1) over 

the clamp up to the position of the connecting rod. Then set the shaft of the knob (pos 3) into the end section of 

connecting rod. 

WARNING: 

DURING RELEASE AND RESET OPERATION BE SURE THAT THERE IS NO RISK TO HURT 

YOURSELF!!! 


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Page 15 of 21



Version: 10 

Date: 19.12.2012 

5. MAINTENANCE 

5.1. PREVENTATIVE 

Regularly the damper shall have a functional test, to ensure that the blades are opening and closing 

satisfactorily. This test should also confirm that local (and possibly remote) indicators show the correct status 

of the damper. 

The recommended schedule of functional testing: Once a month. 

A complete visual and functional test shall be scheduled annually. 

This inspection should include a check on the blades inside the duct for any dirt or foreign matter. 

Remove the dirt (if found) and clean the inside of the damper housing. 

All electrical and/or pneumatic components shall be checked for any sings of failure. 

Components found, which are preventing the damper from operating satisfactorily, should be replaced. 

The recommended schedule for fusible link package change: Every five years 

It is recommended that the fusible link rod that goes from the fusible link to the limit switch/pneumatic valve 

(see drawing below) is sprayed with “PRF Teflube or similar” annually. 

5.2. SERVICE- AND MAINTENANCE INSTRUCTIONS 

The electrical and compressed air power sources, used in some of the components of the fire damper, are at 

a level high enough to be dangerous. 

Before carrying out any service, maintenance and/or repair work, the appropriate power sources must be 

isolated and checks shall be made to ensure that safe conditions exist. 

Whenever work is to be carried out on motive plants or equipment, the fuses or at least the main switch, 

covering this item, should be removed/turned off as an added safety. 


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Page 16 of 21



Version: 10 

Date: 19.12.2012 

5.3. CORRECTIVE 

On standard Halton fire damper all electrical and/or pneumatic components are mounted on one base panel 

to ease the corrective activities. 

Isolate electrical- and/or instrument air supply from the damper, before any corrective action can be 

executed. 

How the repairs and/or replacement of components shall be executed are described and indicated hereafter. 

ELECTRICAL MODELS 

Failure Possible cause Remedy 

Damper does not open Supply power not available Check supply power lines 

Fire damper controls are inhibited 

(alarm is on) 

Check the inhibit controls and reset the 

controls if conditions are safe 

Operating mechanism is jammed Check the activating mechanism for any 

foreign matter and clean if necessary 

Fusible link is broken 

Check both fusible links and replace if 

broken (one inside damper, other inside 

junction box) 

Also check the operation of fusible link 

limit switch 

Fire damper blade is blocked Clean the insides of the damper casing 

Damper does not close Fusible link limit switch blocked Check fusible link limit switch 

Spring operation fails 

Check function of the Actuator 




PNEUMATIC MODELS 

Failure Possible cause Remedy 

Damper does not open Instrument air not available Check instrument air lines 

Check air supply valves 

Check three-way valve 

Instrument air pressure too low Check instrument air lines 

Check instrument air filters 

Check instrument air reducers 

Fire damper controls are inhibited 

(alarm is on) 

Check the inhibit controls and reset the 

controls if conditions are safe 



Fusible link is broken 

Check fusible link and replace if broken 


Damper does not close Instrument air vent blocked Check automatic vent and clean the vent 

opening 

Spring operation fails 

Check function of the spring (inside the 

Actuator) and replace spring/Actuator if 

necessary 



Fire damper blade is blocked 

Quick exhaust valve is not 

functioning 

Clean the insides of the damper casing 

Check and clean the quick exhaust valve 

or replace if necessary 


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Page 17 of 21



Version: 10 

Date: 19.12.2012 

5.4. INSTRUCTIONS FOR REPLACING THE FUSIBLE LINK 

When a fusible link breaks the damper closes and will remain closed as long as the fusible link remains 

unfixed. To fix the fusible link you must either A) replace the broken link, or B) replace the whole fusible link 

package with a new fusible link package. In case B remember to rewire the junction box (or pneumatic lines in 

case of pneumatic damper) exactly like it was before. 

1. Open fixing bolts (figure 2) and withdraw the complete thermo intermediate link. 

2. Press the spring (figure 3) and insert new fusible link to the spring. Note: Ensure that the replaced 

fusible link has the same temperature rating as the old one. 

3. Reinstall the thermo intermediate link and tighten the fixing bolts (figure 5). 

1 2 

3 4 

5 6 


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Page 18 of 21



Version: 10 

Date: 19.12.2012 

6. ACCESSORIES 

6.1. CIRCULAR COUNTER FLANGES 

6.2. RECTANGULAR COUNTER FLANGES 


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Page 19 of 21



Version: 10 

Date: 19.12.2012 

6.3. FD-CON-2 FIRE DAMPER SWITCH 

The FD-CON-2 fire damper switch is a control unit for Halton fire dampers. The control unit is installed near 

the damper in a place where personnel has easy and logical access to it. Two or more FD-CON-2 units can 

be connected in series. This allows the damper to be locally controlled from both sides of the bulkhead or 

deck as per SOLAS regulation. 

The FD-CON-2 is mainly intended for electrically operated dampers, but it can also be used for pneumatic 

dampers. In this case the FD-CON-2 unit controls the solenoid valve that controls the supply air to the 

damper actuator. 

6.4. FD-CON-R ADVANCED FIRE DAMPER SWITCH 

The FD-CON-R advanced fire damper switch is a control unit for Halton fire dampers with remote control and 

monitoring functions. The control unit is installed near the damper in a place where personnel has easy and 

logical access to it. Two FD-CON-R units can be connected in series. This allows the damper to be locally 

controlled from both sides of the bulkhead or deck as per SOLAS regulation. In addition the FD-CON-R unit 

can be remotely controlled and monitored from a central control station. 

The FD-CON-R is mainly intended for electrically operated dampers, but it can also be used for pneumatic 

dampers. In this case the FD-CON-R unit controls the solenoid valve that controls the supply air to the 

damper actuator. This manual only describes the basic setup for electrical actuators. 

6.5. EXTERNAL LIMIT SWITCHES (2PCS BERNSTEIN) 

To enable accurate remote indication of damper blade position two 

external micro switches and a red position indicator arrow can be 

mounted in to the Actuator. 

Mechanical features of the limit switches: 

Enclosure & cover: 

Actuator: 

Contact type: 

Mechanical life: 

Mounting: 

Connection type: 

Conductor cross-section: 

Cable entry size: 

Weight: 

Thermoplast + glassfiber 

Push bolt (Thermoplast) 

1 NC-contact, 1 NO-contact 

10x10 6 switch operations 

2 x M4 

4 screw connections (M3.5) 

Single core 0.5-1.5mm 2 /litz wire with connector sleeve 0.5-1.5mm 

1 x M20x1.5 

approx. 0,06kg 

Electrical features of the limit switches: 

Rated insulation voltage: 

U i = 250V AC 

Conventional thermal current: I the = 10A 

Max. inrush current: 

according to IEC 60947-5, AC 15, A300 

Utilization categorie: 

AC 15, A300, U e /I e 240V/3A 

Standards: according to EN 60947-1, EN 60947-5-1 

Protection class: 

IP65 according to EN60529, DIN VDE 0470 T1 

CSA: 

10A 300V AC, A300 (some polarity) 

Short-circuit protection: 

Fuse 2A gL/gG, IEC/EN 60947-5-1, appendix K 


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Page 20 of 21



Version: 10 

Date: 19.12.2012 

7. SPARE PART LIST 

Material number Short description Fire damper model 

100000242SP Actuator BF120-2 HL EL 

100000223SP Actuator BF230-2.1 HL EL 

100000224SP Actuator BF230-T-2 HL EL 

100000222SP Actuator BF24-2.1HL EL 

100000225SP Actuator BF24-T-2 HL EL 

100000325SP Actuator RedMax 15-F EL 

100000326SP Actuator RedMax 15-SF EL 

100000327SP Actuator ExMax 15-F EL 

100000328SP Actuator ExMax 15-SF EL 

100000108SP Actuator InMax 15-SF EL 

100000101SP Linear pneumatic spring return actuator 245 N PNL 

100000100SP Linear pneumatic spring return actuator 300 N PNL 

100000258SP Rotating pneumatic actuator AT100 PNR 

100000259SP Rotating pneumatic actuator AT100 (AISI316) PNR 

100000394SP Fusible link package EL HFE 74 °C EL 

100000395SP Fusible link package EL galvanized 74 °C EL 

100000398SP Fusible link package SP HFE 74 °C SP 

100000399SP Fusible link package SP galvanized 74 °C SP 

100000397SP Fusible link package PNL 343/2 (Mecman) HFE 74 °C PNL, PNR 

100000396SP Fusible link package PNL 343/2 (Mecman) galvanized 74 °C PNL, PNR 

100000293SP Fusible link 144 °C ALL 

100000193SP Fusible link 144 °C with fuse springs ALL 








100000096SP Pressure regulator PNL, PNR 

100000097SP Pressure gauge PNL, PNR 

100000098SP Quick exhaust valve PNL, PNR 

100000086SP Explosion Proof solenoid valve 2/3 230 VDC PNL, PNR 

100000085SP Explosion Proof solenoid valve 2/3 24 VDC PNL, PNR 

100000084SP Solenoid valve 230 VDC PNL, PNR 

100000083SP Solenoid valve 24 VDC PNL, PNR 

100000060SP Junction box ABS EL, PNL, PNR 

100000080SP Limit switch 188-SU1ZW (Bernstein) EL, PNL, PNR 

100000081SP Explosion Proof Limit switch 07-2511-1330/63 (Bartec) EL, PNL, PNR 

100000438SP FD-CON-2 Slave ALL 

100000439SP FD-CON-2 Main ALL 

100000440SP FD-CON-R Slave ALL 

100000441SP FD-CON-R Main ALL 


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Page 21 of 21

FDB2 FIRE AND GAS DAMPER - Halton

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