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Installation
04/2019
EN 25
Adjust minimum diameter of the electrical pipes to
accommodate the motor output and pipe length.
If hazardous situations can occur, provide an emergency off
switch according to DIN EN 809. The builder/operator must
make a decision according to this standard.
The use of a frequency converter or a smooth start is
recommended in order to rule out pressure surges on the unit
side.
5.5
Check the direction of rotation
NOTICE
Ensure that the pump/unit is full of water.
NOTICE
The pump/unit is louder and pumps less when the direction of
rotation is incorrect.
Turn the motor on and immediately off again.
Ensure that the motor turns in the direction of the arrow
labeled on the fan hood. If the direction of rotation is
incorrect, check the electrical connection and correct the
direction of rotation.