Functional describtion:

The biofilter plant possesses two blowers including back pressure valve.

The two blowers run alternating. The change interval can be adjusted at the PLC control unit.

The valves are connected to the system status message of the blowers and are opened if the system is running.

If the currently running blower is out of order, the other blower will be switched on automatically.

Furthermore, the plant possesses a fresh water pump including back pressure valve.

The valve is connected to the system status message of the pump and opens of the system runs.