Elmdene 7422-sfg-g3f | Manual ~upd~

This comprehensive installation manual and technical guide covers everything required by security and fire engineers to mount, wire, configure, and troubleshoot the Elmdene 7422-SFG-G3F external sounder. Technical Specifications Specification Details Grade 3 Compliant (EN50131-4) Environmental Class Class IV (Outdoor use, fully weather-sealed) Operating Voltage 12V DC nominal (9V to 15V DC range) Current (Quiescent) ~40mA (Standby mode) Current (Alarm) ~350mA to 450mA (Sounder & Strobe active) Sound Output 105 dB(A) @ 1 meter Strobe Element High-intensity, low-current LED strobe Backup Battery Ni-Cad / Ni-MH 7.2V rechargeable battery pack Tamper Detection Wall, lid, and screw tamper protection Housing Material Impact-resistant polycarbonate with inner metal skin option Mounting Instructions

The internal PCB layout features a main screw terminal block used to interface the sounder with the Intruder Alarm Panel (IAP). The standard terminal designations are outlined below: Terminal Label Description Permanent Positive Supply elmdene 7422-sfg-g3f manual

: Connects to the Permanent 0V / Common Ground (GND) terminal of the control panel auxiliary rail. “If the unit begins speaking in your dead

“If the unit begins speaking in your dead father’s voice, do not answer. If the room grows cold, do not light a match. If you see a door where no door was before, the manual has fulfilled its purpose. Close the manual. Turn off the lights. And for God’s sake, never look directly into the sonic port.” Close the manual

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

If the device detects a battery or piezo failure during a self-test, it can signal a fault to the control panel via a dedicated output.