Air-Cooled Chiller Motor Starting and Protection Solution (IEC)

This document details a motor starting and protection solution for an air-cooled chiller system, featuring two compressors (167 kW and 141 kW) and twelve 1.5 kW condenser fans, designed for the IEC market. It includes star/delta starter schematics, auxiliary power supply connections, command circuit diagrams, and component specifications for the 400V-50Hz electrical installation.