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Terminal Regulated Air Volume

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Terminal Regulated Air Volume (TRAV) is network based controls technology that employs the new capabilities of high-performance DDC systems to result in VAV systems that are more energy efficient and provide improved building comfort. In TRAV systems, the central fan is regulated to meet terminal VAV box airflow requirements rather than a duct static pressure setpoint. When areas of the building are not experiencing design loads, significant static pressure reductions occur in TRAV systems that bring corresponding energy reductions (see Figure 1.)

However, TRAV systems achieve much more than lower fan power. The network based controls employed in TRAV systems are also employed to provide automatic demand based reset of the supply air temperature, automatic self-balancing of the terminal units, and self-diagnostics of all components. In addition, integrated lighting and occupancy control are natural companions of TRAV systems. This integration of a number of functions and services into a single system provides a more functional system.

Hartman TRAV:
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755 County Road 247, Georgetown Texas 78633-4331
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