DrainLift WS 40D/ ... and DrainLift WS 50D/ ...

1

Retaining pipe

2

Level sensor

  1. To prevent backflow in the inlet pipe, set the switching point “Pump ON” approx. 50 mm (2.5 in) below the inlet floor.
  2. Lower part of the level sensor is permanently immersed.
  1. Insert the level sensor into the retaining pipe.
  2. Adjust the switching points in the switchgear.
Level sensor installation
Level sensor installation

DrainLift

Pump ON*

Pump OFF

High water alarm*

WS 40D/ ... Basic

0.4 m (16 in)

0.13 m (5 in)

0.45 m (18 in)

WS 50D/ ... Basic

0.4 m (16 in)

0.13 m (5 in)

0.45 m (18 in)

* The values refer to an inlet floor of 450 mm (17.5 in). The value can be adjusted if the inlet is higher.

NOTICE! For increased operational reliability, install a separate float switch for high water detection! In order to prevent a backflow in the inlet pipe, set the high water alarm at the height of the inlet floor.