ABB ACS850 series, Hardware Manual

Page: 49 / 120

Electrical installation
49
Electrical installation
What this chapter contains
This chapter describes the electrical installation procedure of the drive.
WARNING! The work described in this chapter may only be carried out by a qualified
electrician. Follow the Safety instructions on the first pages of this manual. Ignoring
the safety instructions can cause injury or death.
Make sure that the drive is disconnected from the supply (input power) during
installation. If the drive is already connected to the supply, wait for 5 minutes
after disconnecting the input power.
Removing the cover assembly
The cover assembly needs to be removed before the installation of optional modules
and the connection of control cabling. Follow this procedure to remove the cover
assembly. The numbers refer to the illustrations below.
• Press the tab (1) slightly with a screwdriver.
• Slide the lower cover plate slightly downwards and pull it out (2).
• Disconnect the panel cable (3) if present.
• Remove the screw (4) at the top of the cover assembly.
• Carefully pull the lower part of the base outwards by the two tabs (5).
Refit the cover in reverse order to the above procedure.