Start-up
Operating_Manual_Fan_KXE_04_en.docx
74 / 128
All tasks on the electrical connections may only be
carried out by electrical specialists.
Measures for initial activation:
Ensure professional wiring, connection and electrical
safeguarding of the fan, including accessories.
NOTICE!
Refer also to the separate instructions of the motor
manufacturer, as well as additional order-related
instructions and other documents for the electrical
components (e.g. wiring diagrams).
The technical data of the fan, such as pressure increase and
volume flow, can only be attained with the correct sense of
rotation.
Check the sense of rotation prior to initial start-up of the fan
using the following procedure.
All tasks on the electrical connections may only be
carried out by electrical specialists.
Only electrical specialist personnel are permitted to
access the danger zone of the fan for the purpose of
checking the sense of rotation.
Procedure for checking the sense of rotation:
Switch on the fan briefly in order to ascertain the sense of
rotation
Switch off the fan and secure against unintentional
activation
Compare the actual sense of rotation with the rotational
direction indicator on the fan (rotational directions must
correlate)
If the sense of rotation is incorrect, reverse polarity of the
motor by exchanging any two connecting cables
9.1 Switching on the fan
9.2 Checking the sense of rotation
Fig. 9-1 Checking the sense of
rotation
