Requires a +12V signal to "hold off" (keep silent). Triggered by removing +12V.
The manual provides a detailed mechanical diagram. Here’s what you’ll find inside the steel enclosure: elmdene 7422-sfg-g3f manual
He almost deleted it. Another sounder. Another glorified beep-box for a fire alarm or an industrial doorbell. But the fee was obscene, and his wife had just discovered a leak in the conservatory. Requires a +12V signal to "hold off" (keep silent)
The is strict about installation order. Failure to follow this can void the warranty. when held high
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: