Elmdene 7422-sfg-g3f Manual Official

To disable the flashing comfort LEDs, cut the specific white wire loop usually located near the top of the board.

Listen for "audible tamper" clicks: a single click indicates a tamper closing; continuous slow clicks suggest the rear tamper is not fully closed.

Integrated low-current LED strobe and twin "Comfort LEDs" (selectable on, off, or alternate flash). elmdene 7422-sfg-g3f manual

If the unit emits fast clicks during a self-test when the cover is closed, the battery may be faulty or disconnected.

Connect the ENG terminal to a switched output on your panel to allow quiet maintenance without triggering the siren when opening the cover. To disable the flashing comfort LEDs, cut the

Engineer mode input; when held high, it silences the unit for maintenance. Output to indicate a battery or piezo failure. REM TST Input for remote testing via the control panel. Key Wiring Notes:

The Elmdene 7422-SFG-G3F is a high-specification Grade 3 external siren module often used in professional alarm installations, including those by ADT. This guide provides a comprehensive overview of its features, installation procedures, and wiring based on technical documentation for the Elmdene 7422 and Grade 3 sounder ranges. If the unit emits fast clicks during a

Features microprocessor control, hold-off supply failure detection, and automatic battery/piezo self-testing. Installation Guide