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F-B90
Technical Parameters
Durability Test
• Test procedure with 50 cycles and manual control
(rotation from 0° to 90°)
• No change of the necessary properties.
• Test procedure with 10000 cycles and actuator control
(rotation from 0° to 90°)
• No change of the necessary properties.
• Test procedure with 10000 cycles and actuator control
for “mod” classification (rotation from 45° to 60°)
• No change of the necessary properties.
Tested Pressures
Maximum underpressure during fire test
300 Pa
Safe Position
Closed
Possible Installations
Refer to the "Installation Methods" section
Direction of the Airflow
Both direction for supply or extract
Permitted air velocity during blade movement
12 m/s
Side with Fire Protection
Both sides: (i<->o) - symmetrical
Closing and Opening Time
Motor running time: <20 s / 90°
Closed or Open Status Indicator
Visually for type H0. Microswitches that are part of the
mechanism or actuator signal the closed or open status.
Environmental Conditions for Operation
The temperatures must be:
-20 °C ... 50 °C
Relative humidity:
Less than 95% (3K5, EN 60721-3-3)
Product protected from:
Weather, rain and water from other sources
Condensation:
Cannot form on the product
Icing:
Cannot form on the product
Access for Inspection
The inspection is possible through the grille. There is an inspection door that gives access to the connection and to
the actuator. If necessary, a lid for the inspection on the connected duct must be created. Not included in the damper
supply.
Maintenance
Maintenance is not necessary. A dry-cleaning procedure
can be mandatory, follow country legislation.
Inspections
Obey local laws for the minimum time between inspection procedures. When not specified the maximum interval
between inspections is 12 months
Tightness of the Blade
Class 2 and class 3 (dimensions above nominal sizes
W=400 mm & H=500 mm) of standard EN 1751 at 500 Pa
Tightness of the Housing
Class C of standard EN 1751 at 500 Pa
EC Directives
2006/42/EC Machinery Directive
2014/35/EU Low Voltage Directive
2014/30/EU Electromagnetic Compatibility Directive
Driving Actuator Types
Belimo BF..., BFN..., BFL...
...230; ...24; ...24-ST; ...24-SR
Gruner 360-..., 340-...,
TA-230-..., TA-024-..., CTA-024-..., TA-230D-...,
TA-024D-..., CTA-024D-...
Summary of Contents for 178818
Page 1: ...F B90 Multiblade Fire Damper Handbook...
Page 21: ...21 64 F B90 5 1 1 2 B A1 A2 3 A1 B A2...
Page 22: ...22 64 F B90 C1 C2 C3 C4 C5 i D 4 1 8 1 Fx D1 D2...
Page 23: ...23 64 F B90 F3 5 2 E F F3 E1 E2 5 F1 F2 6...
Page 48: ...48 64 F B90 Wire preparation C1 A1 A2 B C2 C2 H B G A1 A2 B 2 1 C2 C1...
Page 61: ...61 64 F B90 D1 D2 D3 P13 P13 E E H B G 1 2 H...
Page 64: ...Systemair DESIGN 2021 08 25 Handbook_F_B90_en GB...
