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®
Chapter 1
Overview
The Tracker building automation system (BAS) is an energy management
system for small- to medium-size buildings. The Tracker BAS controls
heating, ventilating, and air conditioning (HVAC) equipment. It consists
of a Tracker controller (Figure 1) and an optional PC workstation.
The Tracker BAS can be operated by using either a Tracker controller or a
PC workstation that is running Tracker PC Workstation software. A
visual interface enables an operator to set up and change HVAC
operating parameters and to collect and display building information.
The Tracker PC Workstation software allows a PC to be connected to the
Tracker controller directly with a prescribed adapter and cable, locally
over a standard Ethernet local area network (LAN) connection, or
remotely with a modem and standard phone line.
The Tracker BAS supports Comm5 communications architecture, which
is the Trane implementation of LonTalk
®
protocol. It resides on a network
(Figure 2 on page 2 and Figure 3 on page 3) that includes HVAC and
other comfort-related equipment, such as Trane VariTrac zoning systems;
zoning controls; unit control modules (UCMs), which control and monitor
other HVAC equipment; Tracer LCI-V (LonTalk
®
communication
interfaces for Voyager rooftop controls); Tracer LCI-R (LonTalk
®
communication interfaces for ReliaTel rooftop controls); external input/
output (I/O) devices, which help to monitor and control specific areas or
devices; and miscellaneous equipment such as sensors, lights, and fans.
Figure 1. Tracker controller