Installation conditions

If installed in accordance with DIN 18017-3, use is only permitted:

in single air extraction systems with a common main duct;
with an air supply via shaft or duct;
with permitted connection ducts;
with unit suitable for the system (Permitted exhaust air systems);
with flush-mounted installation in the wall or ceiling;
if correctly installed as per the instructions in this manual and national technical approval ER EC/ER EC 2.1; ER-UPB EC; ER-UPD EC : Z-51.1-46;
with sufficient space from the wall or ceiling;
with a fireproof installation shaft for ER-UPB EC housings;
if unit is completely installed;
with the correct air filters;
with the outside air openings stated in the planning documents.

If the installation deviates from DIN 18017-3: