Electrical installation 65
Electrical installation
Contents of this chapter
This chapter gives instructions on the installation of the power cables and wiring of control
and auxiliary power.
Safety
Overview of installation work
The electrical installation includes the following wire and cable connections:
• Cables between integrated transformer and drive
• Power cables, ground cables
• Auxiliary power, control and serial communication cables
• Power supply and signal cables for fans in transformer unit
WARNING Hazardous voltage!
Improper work could lead to life-threatening injury or death.
The electrical installation must be carried out by qualified personnel according to the
site and equipment requirements, and the relevant electrical codes.
When the electrical installation is completed, the main and auxiliary power supply to the
drive must not be switched on without the consent of the ABB commissioning
personnel.
Take appropriate measures to prevent main and auxiliary power supply from being
switched on during installation.
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