BAS 2800+ PIU Option for York ISN Network Manual

This document describes the BAS 2800+ PIU (Point Interface Unit) option that integrates the BAS 2800+ Building Management System with York’s ISN network using either the XL or Terminal LINC interface. It details how the PIU enables bi-directional mapping of points, chiller set point control, alarm reporting, and system integration while noting engineering considerations for communication protocol and error handling.