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Arden Hills City Hall Mechanical Assessment 2020 <br /> 3. ACCU-3 is a Trane TTA120, 10 Ton air cooled condensing unit, serving AHU-3. <br /> N r ; <br /> Ventilation Systems <br /> The building is served by(3)Trane M-Series Modular air handling units. Each AHU consists of a supply <br /> fan, DX cooling coil, hot water heating coil,filter section, air blender and return air mixing box. <br /> 1. The main city administration area is served by AHU-1,Trace model MCCA017. Overall,the unit <br /> is in good condition with no rust or corrosion on the exterior or interior casing. The heating coil <br /> and supply fan were also in good condition. The DX cooling coil appeared to have a fair amount <br /> of buildup from condensate draining off it over the years. <br /> i IrEa� <br /> �5 <br /> L k. <br /> �T <br /> 6 Page <br />