Installation and electrical connection
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Installation and operating instructions Wilo-Vardo WEEDLESS-F
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NOTICE
Different setting angles can cause malfunction
Attach all propeller blades with the same setting angle. Different angles may lead to
malfunctions.
1
2
3
30°
35°
40°
45°
Fig. 7: Propeller blade setting angle
1
Hub
2
Mixer shaft
3
Propeller blade
The system-specific setting angle is marked on the rating plate.
NOTICE! Other setting angles may only be used following consultation with cus-
tomer service.
Defining the direction of thrust
The mixer can exert thrust either upwards or downwards in the operating space. To do
this, the direction of rotation and propeller blade direction must match. The following
graphic shows the propeller blade direction for each respective direction of rotation.
1
1
A
B
2
2
3
3
Fig. 8: Propeller blade direction
A
Direction of thrust: upward
B
Direction of thrust: downward
1
Mixer shaft
2
Union insert
3
Propeller blade
NOTICE! The system-specific direction of thrust (DoT) is marked on the rating plate!
