Level Sensor; Backflow Preventer - Kessel EasyClean ground Multi NS 4 Einbau- Und Betriebsanleitung

Follow the enclosed pump instructions when carrying out maintenance work
8.3

Level sensor

Cleaning the level sensor
Pull the level sensor out of the protective tube (1).
Clean the level sensor and make sure that the inside of
the protective tube (1) is free of soiling.
Insert the level sensor back into the protective tube (1)
and make sure that the dimension (L) (see "Level sen-
sor") is set up.
8.4

Backflow preventer

Move the ventilation device (5) on the backflow preven-
ter (2) to a horizontal position.
The accumulated wastewater can flow back from the
pressure pipe into the system tank.
Remove and clean the backflow preventer (2)
Undo screws (1) and (3), push out the backflow preven-
ter(2) from the side and clean it.
Remove the flap catch (4).
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