Forced switching of the pumps in case of dry run, min. water level or high water

Forced switching depends on the selected operating mode:

• High water level
• Operating mode “drain”: A forced switch-on* of all pumps always occurs, irrespective of the signal transmitter used.
• Operating mode “fill”: A forced switch-off of all pumps always occurs, irrespective of the signal transmitter used.
• Dry-running level
• Operating mode “drain”: A forced switch-off of all pumps always occurs, irrespective of the signal transmitter used.
• Operating mode “fill”: Realise dry-running protection via the “Extern OFF” input.
• Min. water level
• Operating mode “fill”: A forced switch-on* of all pumps always occurs, irrespective of the signal transmitter used.

NOTICE! Forced switch-on

The following preconditions must be fulfilled so that a forced switch-on can be performed:

• Pumps are enabled (menu 3.01 to 3.04).
• The “Extern OFF” input is not active.