Fresh air/recirculated air operation for ceiling and wall mounting. Casing made of a welded and galvanized profile frame construction. Cladding panels in galvanized finish, optionally powder-coated in various RAL colors. Discharge louvre with manually adjustable air guide vanes. Axial fan for quiet operation, with statically and dynamically balanced impeller and protective grille. Three-phase motor 3 x 400 V, 50Hz, protection class IP 54, insulation class F. two-speed upper/lower speed at D/Y, low-noise, maintenance-free, direct-coupled, with generously dimensioned ball bearings and special greasing for wide temperature ranges, insulation class F, terminal box, full motor protection by thermal contacts in the windings in conjunction with a step switch or control unit. Heat exchanger, side pull-out, Cu/Al, steel collector, for hot water or steam operation. Connections with inch thread or flange and counter flange. Pipe penetrations covered with rosettes. Technical data: Volume flow: 1800/1450m³/h Speed: 1350/1000 rpm Power range: 4.6-45.7kW Sound pressure level: 56/50dBA Motor power min.: 0.075/0.027kW Current consumption max.: 0.4/0.25A Heat exchanger: Capacity: 1.1L Connections: R 1
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