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Operation GB
4. Switch the fan off.
10.5 Tests (EC motor)
1. Before switching the fan on, check for externally visible damage and ensure that the protective equipment functions
properly.
When the mains are switched on, the motor starts an initialization (a few seconds). After the initialization the control
input is active.
2. Switch the fan on via the control input.
3. Checks:
♦ Direction of rotation/conveyance. The direction of rotation always applies looking at the rotor
♦ Smooth running (any vibrations and noise)
♦ Current consumption
♦ Tightness of all connections
4. Switch the fan off via the control input.
11 Operation
11.1 Safety information
Warning: Hazard from electrical voltage or moving components.
♦ The device may only be operated by adequately qualified persons, details see Table 1 Qualifications, page 6.
♦ The device may only be operated by people who are instructed in and have understood the function and risks, and
can act accordingly.
♦ Abide by the system-related conditions and requirements of the system manufacturer or plant constructor.
11.2 Preconditions
♦ Ensure access only to persons who can safely handle the device.
♦ Only use the fan in accordance with the operating instructions and the operating instructions for the motor.
♦ Safety elements may not be dismantled, circumvented or deactivated.
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