ST/K 1.1 Electromotor Valve Drive Manual

This document describes the ABB i-bus KNX Electromotor Valve Drive ST/K 1.1, a proportional valve drive for controlling heating valves via a continuous KNX room thermostat. It includes technical specifications, installation details, and features such as two binary inputs for presence or window contacts, automatic valve end stop detection, and compatibility with various thermostat valve bases.