Description: Energy recovery unit (ERU) is a rotary or plate type counter flow air-to-air exchanger designed to provide maximum energy efficiency in ventilated systems where heated or cooled air is exhausted and outdoor air is introduced as makeup. In applications where ventilation is required, energy wheels are used to reduce the initial investment in HVAC equipment and to minimise operating costs. Since HVAC equipment is typically the largest single source of energy consumption in commercial buildings, ERU investments are economically justified on most new retrofit HVAC systems with 15% or more outdoor air-makeup. In new HVAC installations, ECUs also allow ventilated systems to be sized with smaller compressors, condensers, and other DX components, lowering the initial cost of the HVAC package. Energy recovery wheel is designed for both the sensible and the latent heat from the exhaust air to the supply air at a maximum operating temperature of 70°C, vertical or horizontal installation; heat storing matrix made of 70-m aluminium alloy, stabilised with interior - spokes, alternating layers of flat and corrugated foils for laminar air flow, hub with continuous lubricated roller bearings. It purges the conditioned space of unwanted pollutants such as organic vapours, dust, radon, and it purges the space of unwanted products of human activity such as tobacco smoke, carbon-dioxide, bacteria and germs. Regarding features it improves indoor air quality; transfer sensible and latent energy; lowers capital equipment cost; huge energy savings as well as reduces operational costs.
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