HCC/S 2.2.2.1 Heating and Cooling Circuit Controller Manual

This document describes a 2-channel ABB STOTZ-KONTAKT controller for managing flow temperature in heating or cooling distribution circuits, featuring 3-point valve control, pump status detection, and manual override. It includes technical specifications for inputs, outputs, supported sensors, and application program functionality such as overload detection, automatic valve purge, and double pump mode.