Elementary/ High Schools VVT System
(VAV Bypass)
with Packaged
Equipment

VVT System (VAV Bypass) with Packaged Equipment

This system is particularly applicable to small to medium size commercial buildings which are divided into multiple use areas with different space or comfort requirements. It uses a single duct with variable volume (individual space control) and variable temperature (heating and cooling) air. The system allows for a constant volume single zone heating and cooling unit to be controlled from more than one thermostat. It can provide simultaneous heating and cooling by alternating the unit operation on a ́time shareî basis. VVT systems are often selected due to their high degree of individual space control and the cost effectiveness of packaged equipment.

This system requires the following components: