4
Rev. 2 – 10
th
November2015
Transport & Storage
Correct transport, storage, erection and mounting, as well as careful operation and
maintenance are essential for proper and safe operation of the equipment.
Protect the DDMP fan against physical shocks and vibration during transport and storage.
Also be sure to protect it against water (rainfall) and excessive temperatures.
Commissioning
Work on the device/system by unqualified personnel or failure to comply with warnings
can result in severe personal injury or serious damage to material.
Only suitably qualified personnel trained in the setup, installation, commissioning and
operation of the product should carry out work on the device/system.
This equipment must be grounded.
The following terminals can carry dangerous voltages even if the Driver is inoperative:
the power supply terminals L, N
the motor terminals U, V, W
Operation
The Driver must NOT be removed from the related DDMP fan type and size.
The Driver can’t be used separate from the related fan.
Ensure correct grounding connections. The ground cable must be sufficient to carry the
maximum supply fault current which normally will be limited by the fuses or MCB.
Suitably rated fuses or MCB should be fitted in the mains supply to the inverter, according
to any local legislation or codes.
The Driver operates at high voltages.
Certain parameter settings may cause the inverter to restart automatically after an input
power failure.
Repair
Repairs on equipment may only be carried out by Nicotra Gebhardt.
Before opening the equipment for access, disconnect the power supply and wait for at
least 10 minutes until the DC-BUS capacitor is completely discharged!
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