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The HVAC trade (room air technology) includes in the building “Neue Bleiche” the installation of a central supply and extract air system in accordance with the ErP Ecodesign Directive 1253/2014, VDI 6022, VDI 3803, DIN EN 16798, DIN EN 13053, with an air volume of 3,400 m³/h, with a supply and extract distribution made of galvanized ducts and pipes in tightness class C. For energy-saving operating mode, the system is operated volume-variable depending on occupancy and room conditions. Supply air outlets and extract air inlets are installed flush with the ceilings. In the “Erlanger Haus”, 10 decentralised supply and extract air units with WRG are intended for installation into the facade insulation; in the ground floor with air volumes of up to 150 m³/h, in the upper floor and attic floor with air volumes of 40 m³/h. Installation in both buildings is not continuous depending on construction progress and includes installation interruptions; the planned period for installation until commissioning is approx. 18 months. The HVAC trade (room air technology) includes in the building “Neue Bleiche” the installation of a central supply and extract air system in accordance with the ErP…

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