Connects to the permanent auxiliary positive power output. This charges the internal backup battery continuously.
Tamper Return and Tamper Supply (connects to the panel's tamper circuit).
: The internal 6V NiMh battery is either completely discharged or degraded. Allow 24 hours to recharge; if the voltage across the battery cells fails to reach 6V, swap out the battery module.
A: Yes, the SFG-G3F includes a resettable PTC (Positive Temperature Coefficient) fuse on the battery circuit. If you short the battery leads, disconnect the battery for 10 minutes, and the PTC will reset automatically. elmdene 7422-sfg-g3f manual
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Complete Power Failure. Check both the panel accessory fuse and the battery connection terminal. Maintenance and Battery Replacement
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: Connects to the Permanent +12V DC output terminal from the control panel auxiliary rail. This continuously powers the module and floats charges the onboard 6V battery.
Mount the module into a compatible Elmdene or ADT external bellbox enclosure (such as the 7423 series). : The internal 6V NiMh battery is either
: Requires periodic battery replacement to maintain the "hold-off" supply for the siren in case of power loss.
The G3F variant includes intelligent battery charging:
Elmdene uses a color-coding suffix (e.g., -RD for 4k7/2k2) to match specific control panels: