TNi21
07 April 2016
Page 8/38
2.3.
Basic information
DANGER
DANGER DUE TO ELECTRIC SHOCK, EXPLOSION OR EXPLOSION DUE TO AN
ELECTRICAL ARC
• Only qualified personnel, familiar with and understanding the contents of this
manual, are authorised to work on and with this product. Only qualified personnel
are authorised to install, adjust, repair and maintain it.
• The person/entity constructing the installation is responsible for compliance with
all applicable requirements and regulations concerning the earthing of the drive
system.
• It is the user's responsibility to determine whether it is necessary to earth the
motor, depending on its use.
• Do not touch unprotected live parts.
• Use only electrically insulated tools.
• AC voltages may flow along unused conductors in the motor cable. Isolate unused
conductors at both ends of the motor cable.
• The motor produces a voltage when the shaft rotates. Isolate the motor shaft from
any external power supply, before carrying out any work on the drive system.
– Switch off all connections
– Attach a "DO NOT SWITCH ON" sign on all switches.
– Prevent all switches from being re-engaged.
– Wait for the motor's internal capacitors to discharge.. Measure the voltage in the
power cable and check that it is less than 12V DC.
• Fit and close all protective covers before re-applying power..
Failure to take these precautions could result in death or serious injury.
