54 DAA2 & DAX — P/N 53265:A1 8/24/2011
DAX Digital Audio Amplifiers DAX Installation
DAX-50:
DAX-50 amplifiers do no have onboard battery chargers, and must share batteries with devices that
are capable of charging batteries. A UL 864 listed power supply rated for charging of the required
batteries must be used.
Connect all DAXs sharing a set of batteries directly to the batteries using 12 AWG. If the batteries
are located outside of the DAX cabinet, the wiring must be in conduit that is no greater than 20 ft.
(6.09 m) long.
Figure 3.9 Four DAX Amplifiers Sharing Batteries
DAXbatshare.wmf
DAX
TB8 (-), TB9 (+)
If batteries are not in the
same cabinet as the DAXs,
wiring must be in conduit
that is 20 ft (6.09 m) long or
less.
SW5 (Earth Fault)
must be set to
Disable on all but
one of these DAXs.
VeriFire Tools
programming must
indicate which are
enabled/disabled.
DAX
TB8 (-), TB9 (+)
DAX
TB8 (-), TB9 (+)
DAX-35
TB8 (-), TB9 (+)
NOTE: One of the battery-sharing devices
must be capable of charging the batteries
and monitored by a fire panel.
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