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 permitted connection ducts;
• with unit to suit the system (Permitted exhaust air systems);
• with surface installation on the wall or ceiling;
• if correctly installed as per the instructions in this manual and the general building approval ER-APB: Z-51.1-45 or ER-AP: Z-51.1-42;
• with sufficient space from the wall or ceiling;
• 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:

• ER-AP/ER-APB fans can also be used as standalone units.
• Installation in the wall or ceiling is permitted.
• They can also be used to extract air from another room, for example an interior kitchen.