Required qualifications for installation work

The ventilation unit may only be installed, set up, retrofitted, commissioned, cleaned, maintained or repaired by installers specialised in ventilation technology. Electrical connection, commissioning, maintenance and repairs may only be carried out by a qualified electrician in accordance with DGUV regulation 3, Section 2 (3) and in compliance with the relevant standards (e.g. DIN EN 50110-1) and technical rules. Further provisions of other national laws must be taken into account.