FCA/S 1.1.1.2 Fan Coil Actuator Manual

This document details the ABB i-bus® KNX Fan Coil Actuator (FCA/S 1.1.1.2), which controls up to three fan speeds and manages two electronic valve outputs for cooling and heating loops. It also includes a potential-free output for an additional heater, three inputs for temperature sensors or contacts, and supports commissioning without the ABB i-bus® via auxiliary voltage.