Standalone Gas Controller Accepts max. (3) SC2- series digital sensor modules Wall-mounted, NEMA 4X standalone ventilation controller with one, two, or three high-performance SC2-Series gas sensor modules. Intuitive, menu-driven setup allows on/off, multi-speed, and variable speed control of ventilation equipment in response to user-specified gas concentration levels. Multi-color LCD and standard horn/light module for local annunciation of escalating alarm levels. FEATURES 1 or 2 on-board SC2-Series gas sensor modules Optional 3rd gas sensor input with DR6 Digital Remote sensor 2-Line, 16-character LCD display with dual color background Two (2) SPDT alarm relays, 30 VAC/VDC, 0.5 A One (1) 4-20 mA or 2-10 VDC analog output, jumper selectable One (1) 24 VDC digital input for relay override Audible / visual alarm annunciation RS-485 serial communications to DGC6-Series Digital Gas Controllers or other Modbus controllers
