
TABLE OF CONTENTS
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Overview � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � p�4
Description � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � p�4
General characteristics � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � p�4
European Standards applied � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � p�4
Certications and approvals � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � p�4
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Available dimensions � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � p�5
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Performances � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � p�8
Fire resistance classication according to EN 13501-3-2009 � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � p�9
Mechanism type � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � p�11
Technical data � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � p�13
Dimension � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � p�13
Weights � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � p�14
Installation � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � p�15
Intended use � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � p�15
Not allowed uses � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � p�15
Blade rotation axis positioning � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � p�15
Positioning brackets before xing � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � p�15
Installation of exible connectors in order to balance out the ventilation ducts expansion � � � � � � � � � � � � � � � p�15
Transfer Application (application not connected to air ducts on one or both sides) � � � � � � � � � � � � � � � � � � p�17
Minimum distances � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � p�19
Construction supports characteristics � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � p�21
Installations within vertical rigid wall � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � p�22
Installations within vertical light wall (plasterboard) � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � p�24
Installations within vertical light wall (gypsum blocks wall) � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � p�26
Installations within oor � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � p�27
Installations within vertical wall with Fire Batt (Weichschott) sealing � � � � � � � � � � � � � � � � � � � � � � � � � p�28
Installation within oor with Fire Batt (Weichschott) sealing � � � � � � � � � � � � � � � � � � � � � � � � � � � � � p�29
Electrical connections � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � p�30
Electrical wiring � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � p�30
Electrical specications � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � p�32
Maintenance and inspections � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � p�33
Periodic inspection and cleaning � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � p�33
Repair � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � p�33
Disposal � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � p�33
Selection � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � p�34
Air ow rates in relation to the diameter � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � p�34
Air ow rates as a function of the pressure drop � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � p�37
Air ow rates as a function of generated sound levels � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � p�40
Pressure drop and sound level graph for base 400 mm � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � p�43
Correction for base dierent than 400 mm � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � p�44
Sound spectrum table � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � p�44
Accessories and spare parts � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � p�45
How to order � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � p�48
Motorized re dampers � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � p�48
Fire damper with manual control � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � p�48
Electric motor driven actuators � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � p�49
Specication Text � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � p�51
Series WK45 rectangular re damper � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � p�51
Revision Index � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � p�52
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