Elmdene 7422-sfg-g3f Manual 90%

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:

Operates on 12V DC with a 6V 300mAh NiMh backup battery for full Self-Activating Bell (SAB) capability.

Features microprocessor control, hold-off supply failure detection, and automatic battery/piezo self-testing. Installation Guide elmdene 7422-sfg-g3f manual

If required, fit the rear tamper extender and trim it so it closes firmly against the wall when the unit is mounted.

Tamper Return and Tamper Supply (connect to panel tamper zone). Engineer mode input; when held high, it silences

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 Key Wiring Notes: Operates on 12V DC with

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

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- ).