Swegon SAFEGARDSYSTEMS FD 25 Product Manual Download

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FIRE DAMPER - FD

MAINTENANCE AND OPERATION

REPLACEMENT OF

THERMAL FUSE

(R40)

Video instructions

1. Find the hex screw located on the cover,
unscrew and remove the screw and the cover.

2. Remove the position indicator sleeve.

3. Locate the 3 hex screws. Unscrew them.
Remove the CEDC board (if applicable).

4. Locate the screw on the thermal fuse.
Unscrew it. Remove the old thermal fuse.
Insert a new thermal fuse. Put the CEDC board
and the cover back in place.

Test the operation of the damper blade!

REPLACEMENTS

Summary of Contents for SAFEGARDSYSTEMS FD 25

Page 1: ...Fire protection Version 2 4 Issue Date January 2022 SAFEGARD EIS RECTANGULAR FD FIRE DAMPER Product manual Bray Co Wicklow Ireland 353 0 1 276 1600 sales safegard ie www safegard ie ...

Page 2: ...eel sheet Variants produced from stainless steel and powder coated steel are also available Calcium silicate blade is equipped with brass bearings and seals made out of polyurethane and elastomer rubber Fire dampers FD25 are produced up to size 800x600 and have 25 mm thick damper blade Fire dampers FD40 are produced in sizes 800x600 up until 1500x800 and have 40 mm thick damper blade FD25 fire dam...

Page 3: ...Classification of the fire dampers is defined according to EN 13501 3 Fire classification of construction products and building elements Installation in both vertical and horizontal axis of rotation of the dampers blade is acceptable with the axis in vertical or horizontal Fire resistance of fire damper depends on classification of walls or ceilings It is allowed to install products to walls or ce...

Page 4: ...rformance 14 Classification according to EN 13501 3 15 Barcode TECHNICAL DATA Fire damper casing is manufactured from galvanized steel sheet but on demand can be produced out of Galvanized steel and powder coated Stainless steel EN 1 4301 EN 1 4404 AISI 304 316L Stainless steel EN 1 4301 EN 1 4404 AISI 304 316L and powder coated Product specifications 2 3 4 5 6 1 7 15 11 9 10 12 13 14 8 16 Nominal...

Page 5: ...a signal to electro motor Standard thermoelectric release point is 72 C optional 95 C EX ATEX rated fire dampers are equipped with Schischek ExMax 5 10 BF actuators ExPro TT thermal switches and ExBox BF plenum boxes Optional casing can be produced in AISI316L stainless steel Ordering key FD25 Fire damper with 25 mm damper blade and fire classification up to EI120S Sizes range from 100x200 till 80...

Page 6: ... unlocking possible for periodical test of fire damper Optional with end position switches R S FD25 fire dampers are equipped with R25 manual mechanism FD40 fire dampers are equipped with R40 manual mechanism Length of damper blade outside of casing X H 2 175 mm Product A mm C mm D mm E mm FD 25 55 150 105 150 FD 40 55 200 105 200 FD40 R40 FD25 R25 DIMENSIONS C A 350 x x D H H 30 H 60 B 60 B 30 B ...

Page 7: ...tric actuator and return spring Integrated end switches Fully automatic operation Optional 95 C thermoelectric release device for warm air installations B 60 B 30 B E C A H 60 H 30 H X X C D 350 A Actuator A mm C mm D mm E mm BFL M 25 200 90 120 BFN M 25 225 100 120 BF M 50 250 100 120 B 60 B 30 B E C A H 60 H 30 H X X C D 350 A Length of damper blade outside of casing X H 2 175 mm DIMENSIONS ...

Page 8: ... see page 50 Ex classification of product II 2G Ex h IIC T6 Gb II 2D Ex h IIIC T80 C Db For more information about Ex classification visit website ATEX classification Type Examination Certificate Number FIDI 21 ATEX D059 Equipment complies with the essential health and safety requirements relating to the design and construction of equipment intended to use in potentially explosive atmospheres give...

Page 9: ... installation subframe for quick and easy installation in rigid and flexible walls Made out of calcium silicate boards Quick wall mounting with screws Factory assembled to the fire damper FD25 APP R 350 112 110 H 72 H 60 B 30 B 106 B 138 B 164 H 30 H 106 H 138 FD25 APP M DIMENSIONS B 30 B 106 B 138 B 140 H 30 H 106 H 138 H 72 H 60 350 112 110 B 30 B 106 B 138 B 140 H 30 H 106 H 138 H 72 ...

Page 10: ...n frame MF1 is a Factory Fit installation frame for quick and easy installation in rigid and flexible walls Made out of calcium silicate boards Quick wall mounting with screws Factory assembled to the fire damper FD25 MF1 R FD25 MF1 M 350 H 60 H H 196 83 5 132 B 60 B 196 350 H 60 H H 196 83 5 132 B 60 B 196 R 4 0 R 4 0 DIMENSIONS 31 31 31 31 ...

Page 11: ...ds Quick wall mounting with screws Factory assembled to the fire damper FD25 MF2 possible only for shaft wall installations FD25 MF2 R 350 123 5 103 5 H B 196 B 60 H 196 H 60 350 123 5 103 5 H B 196 B 60 H 196 H 60 350 123 5 103 5 H B 196 B 60 H 60 25 H 350 123 5 103 5 B 196 B 60 H 196 H 60 25 H 350 123 5 103 5 FD40 MF2 R B 196 B 60 H 196 H 60 350 123 5 103 5 H B 196 B 60 H 196 H 60 B 196 B 60 H 1...

Page 12: ...0 200 250 300 350 400 450 500 550 600 650 700 750 800 850 900 950 1000 1050 1100 1150 1200 1250 1300 1350 1400 1450 1500 200 4 5 5 1 5 6 6 2 6 8 7 4 8 1 8 7 9 3 10 0 10 6 11 2 11 8 12 5 13 1 15 3 16 0 16 7 17 5 18 2 18 9 19 6 20 4 21 1 21 8 22 6 23 3 24 0 24 7 250 5 2 5 7 6 2 6 9 7 6 8 3 9 0 9 6 10 3 11 0 11 7 12 4 13 1 13 8 14 5 17 3 18 1 19 0 19 8 20 6 21 4 22 3 23 1 23 9 24 8 25 6 26 4 27 2 28 ...

Page 13: ...8 13 3 13 8 14 3 14 8 600 8 2 8 7 9 2 9 7 10 3 10 8 11 3 11 8 12 3 12 8 13 3 13 8 14 3 14 8 15 3 Applique MF2 MF2 installation frame weight kg H B 100 150 200 250 300 350 400 450 500 550 600 650 700 750 800 850 900 950 1000 1050 1100 1150 1200 1250 1300 1350 1400 1450 1500 200 10 7 11 8 12 9 14 0 15 1 16 2 17 3 18 4 19 5 20 6 21 7 22 8 23 9 25 0 26 1 27 2 28 3 29 4 30 5 31 6 32 7 33 8 34 9 36 0 37...

Page 14: ...69 0 69 0 69 0 64 0 59 0 59 0 59 0 59 0 59 0 59 0 59 0 59 0 59 0 58 0 57 650 1 10 1 02 0 93 0 85 0 77 0 74 0 70 0 66 0 62 0 62 0 61 0 61 0 61 0 57 0 53 0 53 0 53 0 53 0 53 0 53 0 52 0 52 0 52 0 51 0 50 700 0 93 0 85 0 78 0 72 0 67 0 63 0 60 0 57 0 53 0 53 0 53 0 53 0 53 0 50 0 47 0 47 0 47 0 47 0 47 0 46 0 45 0 44 0 44 0 44 0 44 750 0 75 0 71 0 65 0 60 0 58 0 56 0 53 0 50 0 49 0 47 0 47 0 47 0 44 ...

Page 15: ... of sealing Recommended opening Maximum opening Mortar B H 100 B H 120 Mineral wool B H 100 B H 120 Fire Batt Weichschott B H 100 B H 300 All dampers can be installed with the blade axis in a horizontal position or a vertical position in all installation types except installation remote from the wall and battery installation The fire damper must be installed into a fire partition structure in such...

Page 16: ...2 INSTALLATION FRAME FD25 MF1 100x200 till 800x600 mm FD25 MF2 100x200 till 800x600 mm only shaft wall FD40 MF2 800x600 till 1500x800 mm Rigid wall MF1 MF2 installation frame 100 mm Aerated concrete 550 kg m Reinforced concrete 2200kg m FD25 EI 60 ve i o S 500Pa FD40 EI 90 ve i o S Flexible wall MF1 MF2 installation frame 70 mm Gypsum blocks 995 kg m FD25 EI 60 ve i o S 500Pa FD40 EI 90 ve i o S F...

Page 17: ...Pa FIRE DAMPER FD Gypsum plaster mortar sealing od mortar and cover boards Sealing with mineral wool and cover boards Sealing with mineral wool and fireproof coating FireBatt Applique installation MF1 MF2 installation Remote from wall installation Battery installation Check for more information about certificate installations in the declaration of performance INSTALLATION Aerated concrete 550 kg m...

Page 18: ... installation is B H 80 mm or more up to 50 more Bend the fixing bracket A 90 Place the damper in the opening up to the wall limit mark B on the damper Damper blade must be closed during the installation 2 Fix the fire damper to the wall with the screws Bracket screw hole is 6 mm in diameter 3 Fill the space between the damper and the wall with mortar C Multiple fire dampers can be installed next ...

Page 19: ...ing for the fire damper installation is B H 80 mm or more up to 50 more Bend the fixing bracket A 90 bracket screw hole is 6 mm in diameter Place the damper in the opening up to the wall limit mark B on the damper Damper blade must be closed during the installation 2 Fix the fire damper to the wall with the screws 3 Fill the space between casing and wall with mineral wool C 4 Cover the wool with G...

Page 20: ... is 6 mm in diameter Place the damper in the opening up to the wall limit mark B on the damper Damper blade must be closed during installation 3 Close space between casing and wall with two layers of mineral wool C 50 mm thick coated on one side Seal the connections of mineral wool with wall and damper with intumescent fire resistant sealant D Mineral wool and damper casing must be coated with 2 m...

Page 21: ...re Bend the fixing bracket A 90 bracket screw hole is 6 mm in diameter Place the damper in the opening up to the wall limit mark B on the damper Damper blade must be closed during the installation 2 Fix the cover boards on bottom side to the wall place the damper on the cover boards and fix the damper 3 Fill the space between casing and wall with mortar C 4 Cover the mortar with GKF gypsum boards ...

Page 22: ...rds To fulfill the classification it is NOT mandatory to use the mineral wool inside the wall 1 Recommended wall opening for the fire damper installation is B H 80 mm or more up to 50 more Build the subframe according to the drawing see page 46 Bend the fixing bracket A 90 Place the damper in the opening up to the wall limit mark B on the damper Damper blade must be closed during the installation ...

Page 23: ...ews Ø3 5x45 mm Multiple fire dampers can be installed next to each other or ceiling wall with the minimal distance of 30 mm between them see page 45 Test the operation of the damper blade Flexible wall installation mineral wool sealing The wall is composed of 2x2 plasterboard boards 12 5 mm thick installed on a steel frame construction Installation material mineral wool C minimum density of 100 kg...

Page 24: ...ceiling wall with the minimal distance of 30 mm between them see page 45 Fire Batt Weichschott installations adjacent to ceiling or wall require a suspension for the fire damper For more details see page 30 Test the operation of the damper blade Flexible wall installation Fire Batt Weichschott The wall is composed of 2x2 plasterboard boards 12 5 mm thick installed on a steel frame construction Ins...

Page 25: ...kness of 100 mm Installation material gypsum plaster or mortar C 1 Recommended wall opening for the fire damper installation is B H 80 mm or more up to 50 more Bend the fixing bracket A 90 bracket screw hole is 6 mm in diameter Insert fire damper into wall to the limit mark B on the damper Damper blade must be closed during installation 2 Fix the damper to the floor ceiling using screws 3 3 Fill t...

Page 26: ...lso be used Damper blade must be closed during installation 2 Bend the fixing bracket A 90 bracket screw hole is 6 mm in diameter Insert fire damper into wall to the wall limit mark B on the damper Fill the space between casing and ceiling with two layers of mineral wool C 50 mm thick coated on one side 3 3 Connections of mineral wool should be sealed with intumescent fire resistant sealant D Mine...

Page 27: ...amper Ducts must be suspended separately 1 Suspension strut should be connected with drop rods 8 10 mm to the floor It is used to support the damper and ease the installation 2 Support steel C profiles by 90 mm high peace of aerated concrete or similar rigid material 3 Suspend the fire damper to the steel C profiles Close the space between casing and floor with Firestop board Firebatt 2x50 mm mini...

Page 28: ...ust be suspended separately 1 Suspension strut should be connected with drop rods 8 10 mm to the ceiling slab above It is used to support the damper and ease the installation 2 Support steel C profiles by 90 mm high peace of aerated concrete or similar rigid material 3 Suspend the fire damper to the steel C profiles Close the space between casing and floor ceiling with Firestop board Firebatt 2x50...

Page 29: ...hat are installed less than 80 mm to the ceiling 1 Create an opening The opening must be large enough to install the seal Install threaded rods 8 mm to the ceiling above WARNING Provide enough space for servicing and testing the actuator 2 Bend the fixing bracket A 90 bracket screw hole is 6 mm in diameter Insert fire damper into wall to the wall limit mark B on the damper Fix the C profile on the...

Page 30: ...ncrete blocks minimum density of 550 kg m or reinforced concrete minimum density of 2200 kg m and with a minimum thickness of 100 mm 2 1 1 Recommended wall opening for the fire damper installation is B H 80 mm Damper blade must be closed during installation 2 Insert fire damper into wall and fasten with screws 4 pcs 4 8x60 mm Test the operation of the damper blade INSTALLATION Always ensure the da...

Page 31: ...frame The wall is composed of gypsum blocks minimum density of 995 kg m and with minimum thickness of 70 mm 1 Recommended wall opening for the fire damper installation is B H 80 mm Damper blade must be closed during installation 2 Insert fire damper into wall and fasten with screws 4 pcs 4 8x60 mm Test the operation of the damper blade 2 1 INSTALLATION Always ensure the damper is sufficiently supp...

Page 32: ...be closed during installation 2 Fasten the fire damper with screws 4 pcs 4 8x60 mm Test the operation of the damper blade 2 1 Flexible wall installation Applique installation frame The wall is composed of 2x2 plasterboard boards 12 5 mm thick installed on a steel frame construction To fulfill the classification it is NOT mandatory to use the mineral wool inside the wall mineral wool with density u...

Page 33: ... minimum density of 550 kg m or reinforced concrete minimum density of 2200 kg m and with a minimum thickness of 100 mm 1 Recommended wall opening for the fire damper installation is B H 80 mm Damper blade must be closed during installation 2 Insert fire damper into wall and fasten with screws FD25 4 pcs 6x140 mm FD40 12 pcs 6x140 mm Test the operation of the damper blade 2 1 INSTALLATION Always e...

Page 34: ...l is composed of gypsum blocks minimum density of 995 kg m and with minimum thickness of 70 mm 1 Recommended wall opening for the fire damper installation is B H 80 mm Damper blade must be closed during installation 2 Insert fire damper into wall and fasten with screws FD25 4 pcs 6x140 mm FD40 12 pcs 6x140 mm Test the operation of the damper blade 2 1 INSTALLATION Always ensure the damper is suffi...

Page 35: ...lexible wall installation MF1 MF2 installation frame MF1 EI 60 ve i o S The wall is made out of type A EN520 gypsum plaster boards To fulfill the classification it is NOT mandatory to use the mineral wool inside the wall mineral wool with density up to 60 kg m can be used The minimum thickness of the wall is 100 mm MF2 EI 90 ve i o S The wall is made out of type F EN520 gypsum plaster boards insta...

Page 36: ...d opening for the fire damper installation is B H 80 mm Insert the fire damper into the opening and mark the places for drilling holes 2 Remove the fire damper and drill the marked places 8 mm 3 Mount 4 12 sets of pre cut threaded rods washer nut and counternut on one side Place pre assembled threaded rods in holes in floor ceiling and place the damper in the opening Tighten the tightening sets fr...

Page 37: ...cording to drawing 3 Damper blade must be closed during installation 2 Place the fire damper in the opening 3 Insert fire damper into wall and fasten with screws 12 pcs 6x140 mm Test the operation of the damper blade T O Q O P O R DETAIL C SCALE 1 5 90 FD MF2 Fire damper B 625 mm installation in 90 mm shaft wall with metal studs opening H 80 opening B 80 FD MF2 Fire damper B 625 mm installation in...

Page 38: ...00 mm wide supports max every 1000 mm from same material need to be used to support the duct as well as the damper Damper blade must be closed during installation 2 Fit the duct and the damper through the wall and cover them with 52 mm calcium silicate Promat L500 Board corner joints must be glued with glue PROMAT K84 and connected with staples every 100 mm 3 The gap between the damper and the wal...

Page 39: ...at the same procedure on the other side 4 Secure the wool with welding nails Nails are placed 60 mm from the end of the plate and 150 mm between each other Isover Fire Protect Screw screws are additionally used on the corner on every 150 mm Additionally place steel protection on place where insulation on damper ends Place the wool on ventilation duct in length of 80 mm and secure it with welding n...

Page 40: ...ace between the dampers and the wall with mortar gypsum and fill the space between the dampers with mineral wool 100 kg m of density or higher Place two upper dampers and fix the dampers to the wall using the screws only 2 sides facing aerated concrete 4 Place the vertical part and two horizontal parts from the installation kit to the dampers on both sides and attach it using the self tapping scre...

Page 41: ...ks of aerated concrete to keep distance between ceiling and profiles 2 Arrangement of steel C profiles 27x18 mm 3 Place the dampers in the openings to the wall limit mark A and bend the fixing bracket B 90 Put them on U profiles Fix the dampers and profiles to the ceiling using the screws for concrete Place four connection profiles from the installation kit to the dampers on both sides and attach ...

Page 42: ...ype CF60 Connecting frame 60 mm CF100 Connecting frame 100 mm 3 Connecting frame length 200 1500 mm INSTALLATION 1 Prepare a hole of dimensions B 80 mm and 2H Connecting frame width CF60 CF100 80 mm Fix the dampers to the wall using the screws Damper blade must be closed during installation 2 Place the installation kit to the dampers Attach the installation kit to the dampers using the self tappin...

Page 43: ...CF60 Connecting frame 60 mm CF100 Connecting frame 100 mm 3 Connecting frame length 200 1500 mm 2 1 4 3 1 Prepare a hole of dimensions 2B Connecting frame width CF60 CF100 80 mm and H 80 mm Fix the dampers to the wall using the screws Damper blade must be closed during installation 2 Place the installation kit to the dampers Attach the installation kit to the dampers using the self tapping screws ...

Page 44: ...e drawing see page 46 Fire damper can be installed with minimal distance of 30 mm between wall ceiling and 60 mm from other dampers 2 Insert the fire dampers into the wall and fill the space between the casings with mineral wool up to flanges Fill the space between the wall ceiling with mineral wool up to flanges 3 Fill the rest of the wall openings according to the type of installation in the DOP...

Page 45: ...NSTALLATION B 80 H 80 B 80 2 hardened Before filling the gap between wall and fire damper close the damper blade and install the wooden supports as seen in the drawings below Place the wooden support as close as possible to the fire damper blade B 80 H 80 Flexible wallsubframe When installing the fire dampers in the flexible walls it is necessary to make a metal subframe onto which the damper will...

Page 46: ...ion Release button on the casing Degree of protection IP 42 Ambient temperature range min 30 C max 50 C Ambient humidity 95 r h non condensing Service life Min 30 000 cycles Maintenance Maintenance free Weight R25 R40 0 5 kg 1 7 kg R25 up to 800x600 R40 800x600 up to1500x800 FC Limit switch end DC Limit switch start NO normally open NF normally closed C common FC DC NF NO C NF NO C 11 12 13 14 15 ...

Page 47: ...24 T BFL230 T BFN230 T BF24 T BF230 T Nominal voltage power voltage AC DC 24 V 50 60 Hz AC 24 V 50 60 Hz AC 230 V 50 60 Hz AC 230 V 50 60 Hz AC DC 24 V 50 60 Hz AC 230 V 50 60 Hz opening 2 5 W 4 W 3 5 W 5 W 7 W 8 5 W holding 0 8 W 1 4 W 1 1 W 2 1 W 2 W 3 W for wire sizing 4 VA 6 VA 6 5 VA 10 VA 10 VA 11 VA End switch 1 mA 3 A 0 5 A DC 5 V AC 250V 1 mA 3 A 0 5 A DC 5 V AC 250 V 1 mA 3 A 0 5 A DC 5 ...

Page 48: ... ACTUATORS ELECTRIC ACTUATOR Position of thermal fuse B B H H H 300 Thermal fuse is located on the underside of the fire damper 300 H 450 Thermal fuse is located on the same side as Belimo actuator above H 450 Thermal fuse is located on the same side as Belimo actuator below Bottom view Side view Side view FIRE DAMPER FD ...

Page 49: ... switch on tripping device is released the damper will open Damper can be opened without connecting to a voltage with enclosed Allen key by turning in the direction of the arrow on electric actuator clockwise After release of Allen key damper will go to closed position 1 Tecnical documentation Safety temperature trigger Schischek ExPro TT 2 Tecnical documentation electric actuator Schischek ExMax ...

Page 50: ... the rectangular fire dampers SPARE PARTS Spare parts are shown in the table above For safety reasons parts need to be changed by a trained personnel or the manufacturer WARNING Install the original parts only On the next page more about replacing parts A Fuse kit FD A THERM 72 B Double contact S kit FD A R25S KIT B Double contact S kit FD A R40S KIT see page 48 C Not Used D Belimo thermal fuse 72...

Page 51: ... 5 times hydraulic diameter in the size of the connecting duct should be in front of the sensor 2 Length of 3 times hydraulic diameter in the size of the connecting duct should be after the sensor dh 2xHxB H B s dh hydraulic duct diameter Wiring diagram Technical specifications FD A UG 5 AFR 24V FD A UG 5 AFR 230V Voltage Supply 24V AC DC 15 10 Not polarity sensitive 230V AC 15 10 Not polarity sen...

Page 52: ...or rotation locate and re move hex screws 2 Rotate the smoke sensor casing 90 180 270 3 Fix the screws following the fourth step of smoke sensor rotation Smoke sensor assembly is supplied in standard airflow direction If you rotate the smoke sensor the distance of 5 times the hydraulic duct diameter should be left before the sensor 1 Locate hex screws unscrew them and remove the cover Pay attentio...

Page 53: ...ON FIRE DAMPER FD 56 UPGRADE TO END CONTACTS R25 R25 S Video instructions UPGRADE TO END CONTACTS R40 R40 S 1 Locate hex screw unscrew it and remove the cover 2 Insert CEE R25 CEDC R40 board in the appropriate place 3 Screw the board to the plate Put the cover back in place REPLACEMENTS FIRE DAMPER FD ...

Page 54: ...T OF THERMAL FUSE R25 1 Find the hex screw located on the cover Unscrew and remove the screw and the cover 2 Find the hex screw on the thermal fuse and unscrew it 3 Remove the old thermal fuse Insert a new thermal fuse and screw it back on 4 Put the cover back in place Test the operation of the damper blade Video instructions REPLACEMENTS ...

Page 55: ...ew located on the cover unscrew and remove the screw and the cover 2 Remove the position indicator sleeve 3 Locate the 3 hex screws Unscrew them Remove the CEDC board if applicable 4 Locate the screw on the thermal fuse Unscrew it Remove the old thermal fuse Insert a new thermal fuse Put the CEDC board and the cover back in place Test the operation of the damper blade 2 1 4 3 REPLACEMENTS ...

Page 56: ...f mechanism unscrew them and remove manual mechanism 2 Find the 2 hex screws located on the transition board B unscrew them and replace FA transition plate A with BE transition plate NOTE Pay attention to the position of indication cut C on the BE transition plate 3 Insert the rubber plug into the opening for the thermal fuse Install the Belimo actuator and fasten it with screws 2 hexagon screws M...

Page 57: ...oard of mechanism unscrew them and remove manual mechanism 2 Find the 2 hex screws located on the transition board B unscrew them and replace FA transition plate A with BE transition plate NOTE Pay attention to the position of indication cut C on the BE transition plate 3 Insert the rubber plug into the opening for the thermal fuse Install the Belimo actuator and fasten it with screws 2 hexagon sc...

Page 58: ...nd rectangular shaft 3 Insert new transition plate and rectangular shaft from ERK kit NOTE A Pay attention to the position of the indicator cut B Pay attention to the indicator cut insert the ERK rectangular shaft that a smaller portion of the shaft enters ERK transition plate 4 Fix the transition plate to the transition board and install the Belimo actuator Test the operation of the damper blade ...

Page 59: ...e installation instructions page 16 4 Before commissioning check the fire damper functions FUNCTIONS 1 Release mechanism Damper blade can be closed and opened manually Signal testing the damper blade must close 2 Electric actuator Signal testing the damper blade must close open 3 Thermal fuse By a button the damper blade must be closed by pressing the button TRANSPORT After arrival check the fire ...

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