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- ).
If required, fit the rear tamper extender and trim it so it closes firmly against the wall when the unit is mounted. elmdene 7422-sfg-g3f manual
The sounder has a selectable auto cut-off timer, typically 5 seconds for testing or 15 minutes for standard operation. Maintenance & Troubleshooting Route the cable from the control panel through the backplate
Listen for "audible tamper" clicks: a single click indicates a tamper closing; continuous slow clicks suggest the rear tamper is not fully closed. Black to BT- ). If required