Horizontal unit with plenum, rear air inlet and front air outlet for concealed installation Features Installation in false ceiling. Air distribution Plenum Low noise design. Composition Construction: -Galvanized steel panels. -Insulated internal walls. Fan -Centrifugal fan with galvanized steel turbines. -3-speed motor -A.O. Smith Motor Heat exchanger: -Copper tubes with corrugate / louver aluminum fins. -High efficiency. -Can working under high water pressure, suitable for high buildings. -Large area for heating exchange. -Preventing for dirt accululation. Condensate receiving pan -Surface anti-crossive coating. -Once punching to shape. No welding work.