Used mainly in Green Buildings, the VAV Box maintains proper minimum airflow setpoints to ensure proper ventilation in an occupied space.

Unlike many VAV terminals which required the most ideal flow conditions in order to operate at their optimum, this VAV units are able to perform even at least ideal conditions (minimum 1D bend & 2D branch). Unlike many flow sensors, the unit’s airflow sensor grid comes with 5 individual traverse lines connecting to a central averaging chamber to give a more accurate reading. This centre averaging, which lacks in many VAV terminal units, is the single most important feature required for accurate airflow measurement.

To further add on to the accuracy of the measurement, the sensor locations followed closely to the ASHRAE recommendations on log-Tchebycheff rule (ISO 3966).


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