TF7039GB_A_NOT
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In addition, on the basis of relevant technical standards and recognised rules of technology, check whether
potential equalisation between the exhaust fan and the ventilation duct must be ensured. Any implementation
on site must be carried out by the installer on his own responsibility and in a professional manner.
LIGHTNING PROTECTION
Lightning protection must be provided by the customer in accordance with the local conditions and in com-
pliance with the national legislation applicable in the country of destination.
