Fire Dampers. Types FKA FRL FRK 4/1/EN/1

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1 Fire Dampers Types FKA FRL FRK /1/EN/1

2 Contents Description Description... Construction... Standard Sizes Installation Details... Functional Description Product Range... Accessories... Circuit Diagrams... Technical Data... Order Details FKA FRL Fire dampers provide an automatic means of localising areas of fire in ventilation systems. They are suitable for installation in walls and ceilings made from concrete or brickwork, and are independant of mounting orientation and direction of air flow. The thermal release uses a fusible link or glass cartridge which operates at > or 0 C. FRK

3 Construction Types FKA-1 FKA- FKA- FKA-1 Casing with galvanised sheet steel angle blade stops on top and bottom; casing length L = 0 or 0 mm Damper blade mineral fibre board with sheet metal cover on both surfaces; blade thickness approx. 1 mm Bearings: plastic bushes Attachments galvanised sheet steel Thermal release fusible link, release temperature C FKA- As for FKA-1 but: Casing with angle blade stops top, bottom and sides Damper blade of special insulating material, blade thickness approx. 0 mm FKA- As for FKA-1, but casing with angle blade stops top, bottom and sides Types FKA-1. FKA-. FKA- 19 H H L = 0 B 9 H/B Casing Damper blade Manual lever Tension spring Mechanical interlock Inspection panel Fusible link Blade stop top and bottom Blade stop sides Extension duct L = 0 Diagrams show type FKA-, external controls right hand side R viewed in direction of arrow

4 Construction Types FRL-1 FRL- FRK-1 FRK- FRL-1 Casing galvanised sheet steel Damper blade mineral fibre board with sheet metal cover on both sides; blade thickness approx. 1 mm Bearings: brass bushes Attachments galvanised sheet steel Thermal release fusible link, releases temperature C FRL- As for FRL-1, but casing with blade stops around perimeter FRK-1 Casing galvanised sheet steel Damper blade mineral fibre board with sheet metal cover on both sides; blade thickness approx. 1 mm Bearings: brass bushes Attachments galvanised sheet steel Thermal release via glass cartridge, release temperature C FRK- As for FRK-1 but casing with blade stops around perimeter 1 Casing Damper blade Manual lever Closing spring (Type FRL : tension spring, Type FRK: torsion spring) Mechanical interlock Inspection panel Fusible link or glass cartridge Blade stop (FRL-1 and FRK-1 without stops) Types FRL-1 FRL D A NW (Di) L = 00 [L = 00] Types FRK-1 FRK NW (DA) L = 00 (L = 00) [L = 00] Diagrams show (types FRL- and FRK-, external controls right hand side R viewed in direction of arrow (L = 00) for units with Belimo actuator [L = 00] for units with pneumatic actuator

5 Standard Sizes Installation Details Standard Sizes Types FKA-1. FKA-. FKA- B in mm H in mm All combinations of B and H dimensions can be supplied. Type FKA- only available from H = 00 mm. Types FRL-1 FRL- Nom. ødi øda Free cross sectional area in m Size in mm in mm Type FRL-1 Type FRL Types FRK-1 FRK- Nom. ød Free cross sectional area in m A Size in mm type FRK-1 Type FRK Fig. 1.1 FKA Installation opening size Fig..1 FRL. FRK Installation opening size Installation opening min. B + 10/H + 10 Installation opening min. D A + 10 Installation opening min. D A + 0 Fig. 1. Wall installation S Fig.. FRL FRK Wall installation H + 0 / B + 0 H + 10 D A + 10 D A + 0 B + 10 FRL S FRK S Masonry subframe L = 0 1 S S 0 [0] 10 (0) for units with Belimo actuator [0] for units with pneumatic actuator 10 (0) [0] 10 1 Extension duct 1 Ventilation duct (supplied by others) Gap s must be filled with mortar or concrete. The fire damper can also be installed during construction of the masonry wall or during concreting. The peripheral gap s is then not required. During installation, ensure that the casing of the fire damper is not distorted otherwise its operation can be affected. L = 0 All dampers can be installed in a ceiling slab with the long end of the open damper blade above or below the slab.

6 Functional Description Product Range Functional Description Release by fusible link or glass cartridge (basic unit): Automatic closure of fire damper at an air temperature of t > or 0 C in the area of the fusible link or glass cartridge; for smouldering fires where t< or 0 C, the system does not release. Magnetic release: (AC solenoid or DC electro magnet) Thermal closure of fire damper at t > or 0 C (for type FKA and FRK, only in conjunction with the electric temperature switch) or electrically when the current is interrupted (power off to close) or pulsed (power on to close) from central control or via a smoke detector built into the ventilation system, e.g. Trox smoke detector type RM-O or RM-l/. Electric or pneumatic actuator release: Thermal closure of fire damper at t > 0 C (in conjunction with the electric temperature switch) or via a smoke detector built into the ventilation system in the case of a smouldering fire at temperature t < 0 C. Motorised open and closure initiated at a central control at t < 0 C. Product Range Construction Combined with Code With fusible link or glass cartridge (basic design) Types FKA and FRL (with fusible link C) Type FRK (with glass cartridge 0 C) Limit switch indicates damper CLOSED * Double contact changeover Switch rating max. 0 V, 0 Hz, 10 A min. V-, 100 ma Contact resistance 0 mω Protection system IP Z 01 Limit switch indicates damper CLOSED (Ex) Microswitch with flying lead (1 m) EEx d 11 CT 1-pole changeover, max. switch voltage 0 V (AC) max. continuous current A, Protection system IP Z 0 With AC solenoid (power on the close) and limit switch (see Fig..1) Type FKA Type FRL Type FRK Electric limit switch (indicates damper CLOSED ) Solenoid U = 0 V, 0 Hz/ P 00 VA (Type FKA) / P 0 VA (Types FRL FRK) / IP 0 / % rated Fusible link C (Type FRL only) With DC electro magnet (power off to close) and limit switch (see Fig..1) Type FKA Type FRL Type FRK Position indicator for false ceilings, see Fig..1 Limit switch indicates damper CLOSED and position indicator for false ceilings Limit switch indicates damper CLOSED (Ex) and position indicator for false ceilings Position indicator for false ceilings, see Fig..1 Electric temperature switch 0 C (for types FKA and FRK) Position indicator for false ceilings and electric temperature switch 0 C (for types FKA and FRK) Position indicator for false ceilings, see Fig..1 Electric temperature switch 0 C ** (for types FKA and FRK) Position indicator for false ceilings and electric temperature switch 0 C (for types FKA and FRK) ** Microswitch, 1-pole changeover Switch rating max. 0 V, 0 Hz, 10 A Contact position shown with intact glass cartridge Z 0 Z 0 Z 0 Z 0 Z 0 Z 0 Z 09 Z 10 Z 11 Z 1 Z 1 Electric limit switch (indicates damper CLOSED ) Electric-magnet U = V- / P. W / IP 0 / 100 % rated Fusible link C (Type FRL only)

7 Product Range Construction W ith spring return actuator, Belimo manufacture, type FS (power of f to close), Fig..1 Types FKA FRL FRK Combined with Code Type FS 0 (without integral limit switch) U = 0 V, Hz/P W/ characteristics V A / IP / 100 % rated / open 90 s / close 10 s Type FS 0 (with integral limit switches) U = 0 V, Hz / P W/ characteristics V A / IP / 100 % rated / open 90 s / close 10 s T ype FS (without integral limit switch) U = V - / P W/ characteristics 10 V A / IP / 100 % rated / open 90 s / close 10 s Type FS -(with integral limit switches) U = V - / P W/ characteristics 10 V A / IP / 100 % rated / open 90 s / close 10 s With pneumatic actuator 1. bar (power of f to close), see Fig..1 Types FKA FRL FRK Z1 Electric temperature switch 0 C ** Z1 Z1 Electric temperature switch 0 C ** Z1 Z1 Electric temperature switch 0 C ** Z19 Z0 Electric temperature switch 0 C ** Z1 Electric limit switch (indicates damper CLOSED ) Single action pneumatic spring return actuator 1. bar, Z Air consumption/stroke 1.0 litre Electric temperature switch 0 C ** Z Solenoid U = 0 V, 0 Hz / P 1 V A (in-rush) / 1 V A / W (operation) / IP / 100 % rated Electric limit switch (indicates damper CLOSED ) Single action pneumatic spring return actuator 1. bar Z Air consumption / stroke 1.0 litre Electric temperature switch 0 C ** Z Solenoid U = V / P W / IP / 100 % rated Electric limit switch (indicates damper CLOSED ) Z Single action pneumatic spring return actuator 1. bar Air consumption / stroke 1.0 litre Electric temperature switch 0 C ** Z With pneumatic actuator bar (power of f to close), see Fig..1 Types FKA FRL FRK Electric limit switch (indicates damper CLOSED ) Z Single action pneumatic spring return actuator bar Air consumption / stroke 1.0 litre Electric temperature switch 0 C ** Z9 Solenoid U = 0 V, 0 Hz / P 1 V A (in-rush) / 1 V A / W (operation) / IP / 100 % rated Electric limit switch (indicates damper CLOSED ) Single action pneumatic actuator bar, ** Z0 Air consumption/stroke 1.0 litre Electric temperature switch 0 C ** Z1 Solenoid U = V - / P W / IP / 100% rated Electric limit switch (indicates damper CLOSED ) ** Z Single action pneumatic actuator bar, Air consumption / stroke 1.0 litre Electric temperature switch 0 C ** Z With masonry subframe (for type FKA), see Fig Matching flange 1 With matching flange (for type FKA), see Fig..1 1 With two matching flanges (for type FKA), see Fig..1 1

8 Accessories Position indicator, comprising : Pivot pin Steel wire (length m) Position indicator (weight) Label F Electric limit switch with double contact changeover (make and break) AC solenoid DC electro-magnet Electric temperature switch Electric actuator, spring return motor with or without integral limit switch Pneumatic spring return actuator 1. or bar / way solenoid valve The electric temperature switch is mounted on the inspection panel of type FKA (Figs..1.1) Fig..1 Position indicator for false ceilings 1.1 Type FKA Type FRL Type FRK L = 00 Position indicator only for horizontal ducting as shown (fitted by others). Fig..1 Unit with AC solenoid Type FKA Type FRL Type FRK ca. 9 ca L = 00 L = 00 L = 00

9 Accessories Fig..1 Unit with DC electro-magnet Type FKA Type FRL Type FRK ca. 9 L = 00 L = 00 Fig..1 Unit with electric actuator Type FKA Type FRL Type FRK L = 00 L = 00 9

10 Accessories Fig..1 Unit with pneumatic actuator Type FKA Type FRL Type FRK ca. ca. 1 L = 00 L = 00 Fig..1 Masonry subframe or matching flange for type FKA 1* * Matching flange Special screws 1* * H + / B + Masonry subframe H + / B + The use of special screws in the masonry subframe allows easy fitting/removal of the fire damper after the frame is mortared in place. Scope of supply with masonry subframe: Masonry subframe of galvanised steel angle // with welded builders cleats, special screws, nuts and washers of galvanised steel (fitted by others). Scope of supply with matching flange: Matching flange of galvanised steel angle //, screws, nuts and washers of galvanised steel (fitted by others). For units with masonry subframe of matching flanges, the casings have pre-drilled flanges at both ends. 10

11 Circuit Diagrams Electric limit switch with double contact changeover (make and break) AC solenoid DC electro-magnet Electric temperature switch Electric actuator, spring return motor with or without integral limit switch / way solenoid valve (no electrical signal = isolate compressed air supply) Electric switch, supplied by others (close fire damper) Electric switch, supplied by others (close and open fire damper) Electric button, supplied by others (close fire damper) Sensor or indicator, supplied by others (close fire damper); for release devices using power off to close principle, e.g. Trox smoke detector type RM-O or RM-l/ Electrical connection by others (e.g. control light for position indicator) Installation Notes : Solenoid and electro-magnet must in principle be connected in series to the limit switch. Electric temperature switch (only for types FKA and FRK) and a sensor or indicator 1 may be fitted as options. Unit with AC Solenoid Unit with DC Electro-magnet L 0 V / 0 HZ + V N PE Unit with Electric Actuator Unit with Pneumatic Actuator 1. or bar L (+) 10 0 V / HZ (V-) 0 V / 0 HZ L Only for units with integral limit switch 1 1 N ( ) PE N PE Damper blade shown in open position 11

12 Technical Data Nomenclature B in mm: Width H in mm: Height A in m : Free area. V in l/s: Volume flow. V in m /h: Volume flow v in m/s: Air velocity based on A p t in Pa: Total pressure drop (fully ducted) ζ : Resistance coefficient (fully ducted) L W in db: Sound power level (re 10-1 W) L WA in db(a): A-weighted sound power level (in duct) L WA = L W + K K in db: Correction for cross-sectional area L in db/oct: Relative level with respect to L WA in db/oct: Octave band sound power level LW (Octave L W (Octave) = L WA + L L WNC : NC rating of sound power level L WNC L WA F in Hz: Octave band centre frequency Example Data given: Fire damper type FKA- B = 00 mm, H = 00 mm Required : V = 1000 l/s (00 m /h) Total pressure drop pt Octave band sound power level LW A-weighted sound power level (in duct) Result (from table): A = 0.1m LWA ζ = 0.0 K = -.00 db Result (from diagram): v =.0 m/s pt = 9 Pa L W = db L WA = -.00 = 1 db(a) Octave band sound power level L W (Octave) = L WA + L ( L interpolated) F in Hz LW (Octave) in db TYPE FKA- B in mm A ζ K A ζ K A ζ K A ζ K A A ζ ζ K K A ζ K A ζ K A ζ K A ζ K A ζ K A ζ K A ζ K A ζ K Relative Spectra L v F in Hz in m/s L in db/oct Note: The technical data can be used with sufficient accuracy for type FLKA-1 and FKA- and for types FRL and FRK with comparable cross-sections. See page for data on the free cross-sctional area of types FRL and FRK. 1

13 Technical Data Type FKA- ζ 1.0 ζ 0. 0 ζ ζ 0. 0 pa ζ 0. Pt v m /s m /s m 1/s m /h A V

14 Order Details Order Code These codes do not need to be completed for standard products FKA-1-R 00 x 00 x 0 11 Z 0 Type FKA-1 FKA- FKA- FRL-1 FRL- FRK-1 FRK- External Controls Right hand side "R" Left hand side "L" (if not specified, "R" is supplied) Standard Sizes B x H x L in mm Nom. size in mm (see page ) Accessories Z 01 to Z (see pages and ) Masonry subframe or matching flange 11 to 1 (see page ) 0 = not available for types FRL-1 FRL- FRK-1 FRK- Specification Text Fire dampers for isolation of fire zones in air conditioning systems. Thermal release via fusible link or glass cartridge at temperatures > or 0 C. Materials: See pages and Masonry subframe, matching flange, accessories: see pages, and 10 Make: TROX Types: FKA-1 FKA- FKA- FRL-1 FRL- FRK-1 FRK- Order Example Make: TROX Type: FKA-1-R / 00 x 00 x 0 / 11 / Z0 Qty: 1

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