Elmdene 7422-sfg-g3f Manual [CONFIRMED]
The 7422-SFG-G3F is designed for durability and high-security performance, meeting standards. Audible Output: 100dB–108dB(A) piezo sounder.
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, typically 5 seconds for testing or 15 minutes for standard operation. Maintenance & Troubleshooting elmdene 7422-sfg-g3f manual
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:
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- ). The sounder has a selectable auto cut-off timer,
Select a high mounting position to deter tampering. Drill holes for the backplate and a cable entry point.
Tamper Return and Tamper Supply (connect to panel tamper zone). REM TST Input for remote testing via the control panel
Operates on 12V DC with a 6V 300mAh NiMh backup battery for full Self-Activating Bell (SAB) capability.
Before mounting, ensure the installation site is suitable for a Grade 3 device (Environmental Class IV).
Features microprocessor control, hold-off supply failure detection, and automatic battery/piezo self-testing. Installation Guide