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Flexible wall

EI 60 S

(300 Pa)

EI 30 S

(300 Pa)

EI 60 S Installation remote from the vertical light wall hole Ø+30 
Wall minimum thickness 95 mm

Wall rock wool density up to 35 kg/m³ (optional)

Studs made of steel or timber

mortar or plaster putty or rock wool 35 kg/m³ and acrilic sealant sealing

ve (i

o)

D/W

Ø

min 100

max 400

Ø

min 100

max 400

EI 60 S Installation remote from the vertical light wall hole Ø+10 
Wall minimum thickness 95 mm

Wall rock wool density up tp 35 kg/m³ (optional)

Studs made of steel or timber

Acrilic sealant sealing

ve (i

o)

D

Ø

min 100

max 400

Ø

min 100

max 400

Floor

EI 60 S

(300 Pa)

EI 30 S

(300 Pa)

Installations remote from the floor 
Floor minimum thickness 100 mm

 Floor minimum density 550 kg/m³

Mortar or plaster putty or rock wool 35 kg/m³ sealing

ho (i

o)

D/W

Ø

min 100

max 400

Ø

min 100

max 400

Ø is the minimum and maximum nominal diameter of fire dampers in mm

ve 

Vertical installation

ho 

Horizontal installation

(i

o)  Origin of fire irrelevant

Pa 

Pascal of depression

E Integrity

Thermal insulation

Smoke seal

Wet method sealing

Dry method sealing

Cert. N° 1812-CPR-1639

 

„

Mechanism type

 

†

Manual and compact manual

Not available

 

†

Belimo motorized version

1.  Blade locking lever

2.  Position indicator

3.  Hex key for manual opening

4.  Manual closing switch

Blade closing mode

Automatic closing with thermal fuse.

The control mechanism has a thermosensitive element that automa-

tically closes the blade when the temperature in the duct or in the 

room exceeds 72°C (or 95°C for the 95°C version).

To close the damper when the motor is connected, press the switch 

on the temperature sensor or cut off the power supply.

Blade opening mode

Make sure that the damper is open before the ventilation system 

start-up, otherwise there is a risk of product malfunction.

To open the damper with the electric motor driven actuator, provi-

de power supply to the motor. Refer to the section Electrical con-

nections  for further information.

To manually open the damper, use the handle supplied and carefully 

rotate clockwise to the 90° indicator. To hold the damper in open 

position operate on the lever indicated in figure.

During the manual opening of the damper, power must not be sup-

plied to the motor.

Position indication microswitches

The motorized versions are supplied with two microswitches to 

show the blade's position (open or closed). Refer to the section 

Electrical connections  for further information.

Closing by remote control

If power to the motor is cut off, the blade will close.

Temperature calibration of thermosensitive element for auto-

matic damper closing

72 °C±7 °C (Standard)

95 °C±9 °C (On request).

 

†

Siemens motorized version

1.  Position indicator

2.  Screwdriver

3.  Hex key for manual opening

4.  Manual closing switch

Blade closing mode

Automatic closing with thermal fuse.

The control mechanism has a thermosensitive element that automa-

tically closes the blade when the temperature in the duct or in the 

room exceeds 72°C (or 95°C for the 95°C version).

To close the damper when the motor is connected, press the switch 

on the temperature sensor or cut off the power supply.

rev 20-12

3

We reserve the right to make changes without prior notice

Summary of Contents for FNC1

Page 1: ...p3 italia it 1MUBFNC1EN rev 20 12 1MUBFNC1EN FNC1 FNC1 l indab we simplify co nstruc tio n www lindab com Fire dampers are manufactured by MP3 Srl www mp3 italia it 1MUBFNC1EN LIND rev 20 12 1MUBFNC1E...

Page 2: ...tuds made of steel or timber Acrilic sealant sealing ve i o D min 100 max 400 min 100 max 400 Floor EI 60 S 300 Pa EI 30 S 300 Pa Installation within floor Floor minimum thickness 100 mm Floor minimum...

Page 3: ...2 C or 95 C for the 95 C version To close the damper when the motor is connected press the switch on the temperature sensor or cut off the power supply Blade opening mode Make sure that the damper is...

Page 4: ...uest ELECTRICAL CONNECTIONS Electrical wiring Electrical connections must be done by qualified and trained people Switch off the power supply before starting any work on the electric elements Never sw...

Page 5: ...Check the servomotor electrical wiring for damage where appli cable Check end switch wiring for damage where applicable Check damper cleanliness and clean where necessary Check the condition of blades...

Page 6: ...The test results obtained on a type of wall floor are valid also for wal ls floor of the same type but with greater thickness and or density than those used in the test For plasterboard walls the tes...

Page 7: ...be provided in the wall as indicated in the table and in the drawing Damper positioning Position the damper in the opening so that the side of the closing mechanism extends as indicated in the drawing...

Page 8: ...Firecryl or equivalent with resistance and reaction to fire equal or higher to cover the sealing D Hole size see table above Installations within vertical rigid wall EI 60 S hole 10 1 Positioning brac...

Page 9: ...ion duct 5 Rock wool 35 kg m or mortar or plaster putty 6 Fire stopping sealant reference Soudal Firecryl or equivalent with resistance and reaction to fire equal or higher between refractory ring and...

Page 10: ...in the drawing For distance between fire damper and wall less than or equal to 1m only one support is enough as indicated in the drawing The support at 20 mm from the fire damper is always mandatory...

Page 11: ...her to cover the sealing D Hole size see table above a 1000mm MAX n of threaded rods depending on the length of the duct use 1 threaded bar for a 1000 mm EI 60 S Installation remote from the vertical...

Page 12: ...ed in the drawing Fire resistance classification D hole size mm Wall minimum thickness S mm Sealing EI 60 S Installation remote from the vertical light wall Wall resistance class EI 60 EI 60 S 300 Pa...

Page 13: ...fire equal or higher between insulation and construction support 8 Self drilling screw 4 2 X 13 mm x4 9 Insulation rock wool Pro Wired Mat 80 AL 1 Paroc or equivalent see Installation remote from ver...

Page 14: ...ess 70 mm or equi valent A metallic mesh is installed around the rock wool The junctions between the insulation and the damper are made by an acrylic fire stopping sealant es Soudal Firecryl or equiva...

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