The NB-VAVs are variable air volume (VAV) and constant air volume (CAV) terminal box digital controllers. The NB-VAV controllers can be flash updated and configured for use various applications.

	BACnet MS/TP network protocol over EIA-485
	Flash memory for easy updates and pre-configured applications
	Zone temperature input with 15-bit resolution
	Time-of-day and holiday scheduling
	Integrated high-resolution pressure sensor (NB-V3Tb only)
	Duct scaling (K) factor calculation
	Integrated Belimo® feedback actuator
	Real-time clock module (installed on NB-V3Tb)
	SBC-RTC2 (real-time clock module) compatible (NB-V3Td)