Provides pressure‑independent (VAV) control for zone terminals.
Uses Proportional Integral Derivative (PID) control for accurate airflow regulation.
Supports terminals up to 9000 CFM or 3.4 sq. ft. primary air inlet area.
Maintains consistent airflow and zone comfort across varying system pressures.

Supports auxiliary heating control for:
Modulating (floating) hot water
Single‑position hot water
Single or two‑stage electric heat
Two‑stage zone electric heat
Zone perimeter heat
Provides terminal fan control where applicable.

Includes automatic airflow transducer self‑calibration.
Designed for quick and easy commissioning and balancing.
Provides easy access to airflow sensor pneumatic connections.

Integrated supply air temperature sensor
Remote occupancy contact input for a field‑supplied occupancy sensor
Supports zone humidity control (dehumidification) with a field‑installed humidity sensor
Supports local setpoint adjustment with a field‑installed temperature sensor (with temperature offset)