| Building Control 
Tracer Summit Building Control Units (BCUs), Tracer 100
series building management panels, and Tracker all monitor and coordinate control of Trane
HVAC equipment, non-Trane HVAC equipment, and related building systems.
A single Integrated Comfort system is created by linking
multiple building level control panels via a communications network.
Tracer Summit Building Control Unit
The Tracer Summit BCU is an intelligent field panel that
communicates with multiple Trane Unit Control Modules (UCMs). BCUs can be configured with
up to three UCM communication links.
ICS Capability
The BCU performs a regular communication scan on all UCMS
to update information and coordinate control of the building or of building subsystems
such as chiller plants. Multiple BCUs and PC Workstations can be connected via the ARCNET
LAN. PC Workstations may also connect remotely through modems.
The Tracer Summit BCU can be used to provide a connection
to Trane UCMS for a BACnet standard protocol interface. This connection may be over RS-232
or the ARCNET LAN.
Software Capabilities
Application Programs
The BCU enables the following building management
functions.
- Time of day scheduling
- Area control
- VAV air system control
- Custom programming language
- Reports and logs
- Security
- Chiller plant control
BACnet Standard Protocol Compatibility
Tracer Summit system communication is based on
ASHRAE/ANSI BACnet Standard 135-1995 which standardizes communication between the PC
Workstation, BCU, and other BACnet-compatible devices. This enables interoperation with
non-Trane building management systems and subsystems.
Alarm Processing
Tracer Summit software receives alarms from the BCUs.
Alarms are prioritized into 20 operator-definable levels, and can be routed to any
workstation and printer in the system either on or offsite.
Hardware Description
Communication Links
The BCU has three slots for UCM communication links. These
links allow the BCU to communicate with the following UCMs:
- CenTraVac Unit control panels (version 1)
- CenTraVac, Absorption, and Helical Rotary Unit control
panels (version 2)
- VariTrane VAV I
- VariTrane VAV II and III
- Programmable Control Modules (PCM)
- Voyager Rooftop Units
- IntelliPak Rooftop Units (IPAK)
- Universal Programmable Control Modules (UPCM)
- Thermostat Control Modules (TCM)
- Air- and Water-cooled Series R Chillers (RTAA/RTWA)
- Terminal Unit Controllers (TUC)
- Tracer 1000 Tracer Remote Stations (TRS)
- Air- and Water-cooled Scroll Chillers (CGAD, CGWD)
- Commercial Self Contained Units (SWUD)
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