Visitors inside a walk-in Weger AHU casing with service ladder

Photo: Mariusz Młynarczyk / CloudAir.tech

Inside a walk-in Weger air handling unit casing, visitors look at the interior beside a chained service ladder and a sign reading "UNBEFUGTEN IST DER ZUTRITT VERBOTEN". The adjoining open module shows control cabinet photos and installation images on white panels above a chequer-plate floor.