BACnet B-AAC single-duct VAV terminal unit controller without actuator. Controller features 2 UniPutsTM (software configured for AI, AO, DI or DO), 4 UI and 3 DO (Triac). Built-in differential pressure transducer (0-1.3"w.c., 0...320 Pa). Freely programmable, c/w pre-loaded factory configuration strategy with SI units (degC).