Trane BCU Operator Display, Operations

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BMTW-SVU02C-EN 61
Glossary
A
Alarms
A notification that HVAC equipment is not operating correctly. For exam-
ple, an alarm is generated when communication is down between an
HVAC unit and the BCU, or when a filter on an HVAC unit is dirty.
B
BMTW BCU
See Building control unit
Building control unit (BCU)
The BCU is a panel that communicates with and controls the unit control
modules (UCMs) in a building. It communicates UCM status, alarms, and
event information to the Tracer Summit software at the PC Workstation.
Tracer Summit may have more than one BCU connected to it.
Building automation system (BAS)
A combination of controllers and other software products that communi-
cate and control various mechanical systems to enable building manage-
ment. These products include the heating, ventilating, and air
conditioning systems, as well as lighting systems, access control, and mis-
cellaneous other devices within a building.
Buttons
See Targets
C
Custom Screen
A screen that is created by an advanced user. A custom screen contains a
Home button and a Back button. It may also include a monochrome bit-
map, up to 10 data items, and custom navigation buttons.
D
Diagnostic
A program that checks the operation of a device board or other component
for malfunctions and errors and reports its findings.
E
Event log
The event log contains a record of events and alarms. An event log has the
following information:
•
A short description of the alarm or event
• Whether you must acknowledge the alarm