Siemens BACNET 125-5037 Owner's Manual page 46

Glossary
Terminal Equipment Controller
Siemens Building Technologies, Inc. product family of equipment controllers (one is
the BACnet VAV Controller - Electronic Output) that house the applications software
used to control terminal units, such as heat pumps, VAV terminal boxes, fan coil
units, unit ventilators, etc.
unbundle
Term used to describe the entering of a point that resides in a controller's database
into the field panel's database so that it can be monitored and controlled from the
field panel.
VAV
Variable air volume. Ventilation system that changes the amount of air supplied to
and exhausted from the rooms served.
36 Siemens Building Technologies, Inc.