Description

The Siemens ILI-1 Intelligent Detector is a discontinued addressable, two-wire ionization smoke detector designed for high-sensitivity fire detection, featuring self-compensating dual ionization chambers. Compatible with Siemens IXL, MXL, and XL3 systems, it often pairs with the FPI-32 or DPU programmer for rapid, reliable setup, particularly for air duct applications (ILI-1B).