ER-APB: Safety instructions for installation of the fire protection shut-off device

It is essential to observe the permissible installation positions: Permissible installation positions for fans.

Danger to life due to fire transmission if the tab of the metal backflow preventer is incorrectly screwed on.

  1. It is essential to fasten the metal backflow preventer and tab to the wall/ceiling with a suitable screw and metal dowel.
  2. Fixing screw is to be provided by the customer.

For ER-APB connection outside the shaft: Danger to life due to fire transmission if the metal exhaust socket is incorrectly connected to the connection duct.

  1. Connection according to: Preparations for the ER-APB ceiling installation (with fire protection).
  2. 3 steel blind rivets are prescribed for the connection with the connection socket. These must not impair the shutter function.
  3. Before commissioning, ensure that the shut-off shutter moves with ease.

The metal shut-off device is permanently closed if there is no soldered strut.

  1. Check that the soldered strut is in the correct place before installation.

Unpleasant smells from the main duct. Shut-off device does not close tightly in cases of improper installation.

  1. Before mounting, check the correct installation position and check that the shut-off shutter functions.