CAUTION: A proper programming of the parameters of the VFD is
of the utmost importance. Please read and understand the VFD
manufacturer's instructions manual. Use the data on the motor nameplate.
VFD Programming should be performed by qualified personnel only. For
further information and/or technical support, please consult your local
SIEMENS sales office.
CAUTION: If the motor is equipped with tachometer, safety and
connection instructions from the tachometer manufacturer shall be
addressed before starting the motor for the first time.
Measures to take when commissioning explosion-
proof Motors.
After installation or inspections, the following measures are
recommended for normal start-up of the machines:
● Start the machine without a load; to do this, close the motor starter
protector and do not switch the machine off prematurely.
● You should limit how often you switch the machine off while it is
starting up and still running at a slow speed, for checking the
direction of rotation or the required dimensions, for example.
● Allow machines to reach a standstill before switching them back on.
Operation 9
Before starting the motor for the first time make sure that all the
previously stated recommendations are fulfilled.
WARNING: Before starting the motor, check that all the screws and
rotating parts are correctly positioned and tightened. The use of protective
covers in rotating parts is suggested. Make sure that the electrical
connections are correct, and that leads are firmly attached and sufficiently
insulated for the operating voltage levels.
If a reduced voltage start method is to be used, it is important to
consider that the torque output will be lower in the same proportion. For
further information and/or technical support on our motor starting solutions,
please consult your local SIEMENS sales office.
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