The ABB ACH550 manual provides safety instructions, installation steps, wiring diagrams, and technical specifications for the HVAC drive series.
This Service Manual covers the ACH550 series of HVAC drives, including the UH, BCR/BDR/VCR/VDR, and PCR/PDR variants. It begins with safety warnings, explains how to prepare the installation site, and details the required tools and mounting hardware.
The document then provides wiring and connection diagrams, instructions for disconnecting the internal EMC filter on IT or grounded systems, and extensive tables of power and control terminal specifications. A complete parameter list for configuring the drives is included at the end of the manual.