Elmdene 7422-sfg-g3f Manual Page

Connect fire alarm zone output:

Set SW1-3 = ON, SW1-1 = OFF.

Note: Always disconnect mains power before opening the unit. If you are not a qualified electrician, consult a professional. elmdene 7422-sfg-g3f manual

Before diving into the wiring, it is crucial to understand what this unit brings to the table. The 7422-SFG-G3F is an evolution of older Elmdene PSUs, featuring modern safety standards. Connect fire alarm zone output:

Connect FLT relay in series with panel’s fault zone: Set SW1-3 = ON, SW1-1 = OFF

The board is typically protected by a mains fuse (located in the Live feed) and sometimes an output fuse or PTC resettable fuse for the DC side. Always check the rating printed on the PCB (Printed Circuit Board). A standard 2A unit usually contains a mains fuse rated around 500mA to 1A (check specific board label).

This unit is designed to support a standby battery for backup power during mains failures.