ADJUSTABLE SLOTDIFFUSER WITH DOOR SE900 Installation dimensions L = slot length SE : L] = L + 50 All dimensions in mm l_2 , B = minimum ceiling opening E = 25 Fast selection diagram number of slots Application The slot diffuser type SE900 is used for the supply and exhaust of cooled and heated air in facilities such as offices, shops, meeting rooms, ... It is designed for ceiling or sidewall mounting and is available from 3 to 8 slots. Each slot is individually adjustable and equipped with 2 deflectors vanes of a special design to minimise the internal turbulences. An ideal air supply pattern, adjustable over 180° can be obtained. All lengths are available, so the diffuser is perfect to fit in each ceiling system. Technical information Characteristics: • SE900: available from 3 to 8 slots • all lengths available (in steps of 1 mm) from 300 mm up to 2000 mm in one piece • frame 25 mm • exhaust: without deflectors • supply: horizontal or vertical air supply pattern possible through adjustable deflectors Adjustment possibilities: Available with plenum box; up to a length of 1600 mm supplied with one circular inlet, over 1600 mm two circular inlets. Throw factor is based on a vr of 0,17 m/s in the occupied zone. See page 4 016 for a detailed selection. Specifications subject to change © 7-2011

Construction: • SE900: extruded aluminium and natural tone anodised aluminium with black extruded aluminium deflectors • plenum: galvanised steel sheet, optional insulation. Specification description Example: Aluminium linear diffuser with 3 exhaust slots and adjustable deflectors. Plenum can be supplied mounted or seperate, with internal insulation, with circular inlet spigot. Natural to anodised diffuser, black aluminium delfectors Type: SE913 +SP923G Fixing • Either by direct and fixed mounting of the diffuser on the plenum (mounting by Grada upon request). • Plenum provided with mounting eyes...