Twinflex V3 Control Panel Engineering and Commissioning Manual
17
Battery Connections: BAT+, BAT-
The battery terminals require 24V from 2 x 3.2 (or 3.3) Ah or 2 x 7.2 Ah sealed lead acid batteries,
connected in series, in order to provide secondary backup power when the primary power fails.
This input is protected by the 3A fuse located on the PCB.
Note that earlier versions of the 8 zone control panel had two sets of battery connections and
required a 12V battery on each. With the current versions a link wire is provided to allow the
batteries to be connected in series to the single set of connectors.
Fuses
Sounder Fuse - Located on PCB near centre. ........................................... F1A (Quick Blow)
Remote Fire Fuse - Located on PCB adjacent Fire relay ........................... F1A (Quick Blow)
Battery Fuse – Located on PCB adjacent to battery terminals .................... F3A (Quick Blow)
Mains Fuse – Located in the back box adjacent to the transformer ............ T3A (Anti Surge)
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