6 Intelligent Products—2251J Plug-In Low Profile Intelligent Photoelectronic Smoke Detector
Johnson Controls smoke detectors are marked with a compatibility
identifier located as the last digit of the five digit code stamped on the base
of the product. Connect detectors only to compatible control units as
indicated in Johnson Controls compatibility chart, which contains a list of
UL Listed control units and detectors. See the Device Compatibility
Technical Bulletin located in the Fire Management Accessories Manual
(FAN 445).
