TAC Xenta 103-A Zone Controller Manual

This document describes the TAC Xenta 103-A, a zone controller for chilled ceiling applications that modulates water flow, airflow, and heating to maintain constant temperature and air quality using carbon dioxide sensors and dampers. It covers technical specifications, operating modes (occupied, standby, bypass, unoccupied, off, slave, night purge), installation, and configuration options for LonTalk TP/FT-10 networked building management.