“Fill” operating mode

The reservoir is filled up, for instance, to pump water into a rainwater storage tank. The pumps are activated when the level falls and switched off when the level rises. This control is mainly used for water supply.

Level control for float switch or electrodes

1

Pump On

2

Pump OFF

3

High water level

4

Min. water level

5

Dry-running level in the well

Up to a maximum of six float switches or electrodes can be connected. This can be used to control two pumps:

  • Pump 1 On
  • Pump 2 On
  • Pump 1 and 2 Off
  • Min. water level in the tank to be filled
  • High water level
  • Dry-running level in the well (separate float switch at the “Extern OFF” input)

The float switch should be equipped with a NO contact: Once the switching point has been reached, the contact is closed.

Illustration of the switching points with a float switch or electrodes in the “fill” operating mode using the example of one pump
Illustration of the switching points with a float switch or electrodes in the “fill” operating mode using the example of one pump

Level measurement with level sensor or dynamic pressure bell

1

Pump On

2

Pump OFF

3

High water level

4

Min. water level

5

Dry-running level in the well

A level sensor or dynamic pressure bell can be connected. This can be used to control three pumps:

  • Pump 1 On/Off
  • Pump 2 On/Off
  • Pump 3 On/Off
  • Min. water level in the tank to be filled
  • High water level
  • Dry-running level in the well (separate float switch at the “Extern OFF” input)
Illustration of the switching points with a level sensor in the “fill” operating mode using the example of one pump
Illustration of the switching points with a level sensor in the “fill” operating mode using the example of one pump