Bedienungsanleitung KXE - REITZ Ventilatoren

4.3.2 Check of sense of rotation � Manually check the impeller for unblocked run.
4.3.3 Commutating wrong sense of
rotation
BWA-KXE-Fetteinzelstehlager_englisch_02.doc
Start-up
� Switch on the motor and check the sense of rotation for
compliance with the sense of rotation arrow arranged at
the back of the fan.
� Disconnect the fan.
� The following motor connection results from the sense of
rotation:
Connection L1, L2, L3
U1 - V1 - W1 clockwise
Sense of rotation facing
the drive side (motor
shaft journal)
W1 - V1 - U1 counterclockwise
When checking the sense of rotation, only the assigned
inspector is permitted to be present within the
danger area of the fan. Switch on motor and check
sense of rotation (observe valid regulations, e.g. DIN
VDE 0105).
� Ensure that the motor is switched dead.
� Secure against restart and mark with relevant information
sign.
� Check for and guarantee dead condition.
� Connect to earth and short-circuit.
� Cover or secure by barrier adjacent alive parts.
If two of the existing connecting lines are interchanged, the
sense of rotation is altered. In this case the connecting
cables must be arranged inside the terminal box in accordance
with the terminal connecting plan shown above and
the sense of rotation.
4.2