Installation
5.5
Connecting the motor
Danger to life if the electrical installation has not been carried out professionally!
Installation that has not been carried out professionally or improperly can cause serious
injuries or death. The whole electrical system can be destructed.
Ø The electrical installation must only be carried out by a qualified electrician observing
EN 60204.
Ø The main switch has to be provided by the user.
Property damage due to wrong energy supply!
Wrong operating voltages, frequencies or currents can cause loss of power or damages
to the machine.
Ø The conditions at the installation location must comply with the details on the motor
data plate.
Ø Permissible tolerances:
• ± 5 % voltage deviation
• ± 2 % frequency deviation
a) The motors comply with DIN EN 60034 and are in protection class IP 54 and insulation class B. The ap-
propriate connection diagram is located in the motor's terminal box (not for the plug connection version).
The motor data must be compared with the data of the existing mains network (current type, voltage,
network frequency, permitted current value).
b) Connect the motor via the motor protection switch (for safety reasons, a motor protection switch is
required and the connecting cable must be installed via a cable fitting to provide strain relief). We recom-
mend using motor protection switches with delayed switch off, depending on possible excess current.
Temporary excess current can occur when the machine is started cold.
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