ABB Drive IT Low Voltage AC Drives Installation Supplement ACS550-U2 Drives (150 550 HP) service manual

About this manual

This document serves as an installation supplement specifically for ABB ACS550-U2 AC drives with power ratings from 150 to 550 HP. It provides additional information required for drives that include an extension module attached at the factory, which is not covered in the standard User's Manual.

The guide details the installation process, including planning, moving the unit, and mounting procedures. It also covers specific considerations for connecting power and control cables through the extension module, separating the drive for service access, and provides dimension drawings for the enclosure.

What's inside

• Safety
• Introduction
• Planning
• Moving the unit
• Mounting
• Connecting power and control cables
• Separating the drive and extension modules
• Ratings
• FUSES
• Cable entries

Specifications

Frequently asked questions

Who is qualified to install the ACS550 drive?

The ACS550 adjustable speed AC drive should ONLY be installed by a qualified electrician.

How long must you wait before removing covers after disconnecting power?

You must wait at least 5 minutes to let the intermediate circuit capacitors discharge.

Where are all connections routed for the ACS550-U2?

All connections are routed through the top of the extension module.