The sensor has three modes, which are controlled from the Control Panel (1), allowing either the optical element or thermal element or both elements to be active in making the fire decision.
The sensor polling LEDs can be controlled via the Control Panel (pulsing/non-pulsing(1)).
The smoke chamber can easily be removed or replaced for easy maintenance.
To maintain SCI functionality, this sensor requires the YBV-R/4 mounting base
(1) Check control panel compatibility.