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6.3.3 MOTOR PROTECTION
Fuses and contact breakers do not suffice as motor protection. The manufacturer's guarantee becomes void in the
case of damage as a result of insufficient motor protection.
The EC motor protection is integrated in the motor electronics, be sure that in case a fault occurs, the EC motor can
not switch on again automatically after it has cooled down.
6.3.4 MOTOR START-UP
Motors can be turned on immediately. These motors have been developed for class S1 continuous processes.
The applicable capacity of the power utility in question must be conformed to in all cases.
In the case of pulsing operation, please contact the supplier.
6.4 INSTALLATION
- The locations where the units / motors are installed should be allowed easy access for inspection and
maintenance services. The supplier of the units / motors is not liable for removing units / motors from the site.
- Install cable glands to protect the main and accessories lead wires. Handle this leads carefully in order to avoid
insulation damages on leads and cable in general.
- Check carefully the leads, the special leads protection must be removed before connecting to ensure good
power supply.
- Bearings are sensitive to standstill vibration or impacts caused during handling. All units are balanced (and
tested) as per G4.0. It is important to handle the units during internal transport and mounting with care
otherwise it can cause unacceptable vibration.
- Check the specific lead connection diagram indicated on the main motor nameplate or the wiring diagram
attached to each unit, noting the correct lead indication.
- For power connection use only material that ensures excellent electrical conductivity.
- Unit / motor must be operated in accordance with the defined design duty.
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