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.

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.

The sounder has a selectable auto cut-off timer, typically 5 seconds for testing or 15 minutes for standard operation. Maintenance & Troubleshooting elmdene 7422-sfg-g3f manual

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

The Elmdene 7422 module typically features the following terminal block for connection to the alarm control panel: Description Permanent 12V DC hold-off supply. R- Negative Trigger for the Sounder (Bell). ST- Negative Trigger for the Strobe. TR / TS If the unit emits fast clicks during a

Two-way protection covering both the front cover and rear wall removal.

If required, fit the rear tamper extender and trim it so it closes firmly against the wall when the unit is mounted. The sounder has a selectable auto cut-off timer,

Route the cable from the control panel through the backplate. Secure the backplate using at least three No. 10 fixing screws. Commissioning: Apply 12V power (H+ and H-). Connect the battery leads (Red to BT+ , Black to BT- ).

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).