Fire-Lite ACC-25/50DAZS Distributed Audio Panel - Manual (Page 38)

38 Distributed Audio Panel Manual — P/N 52265:B1 6/8/2010
Installation Operating Power
connected to this circuit and it may not contain any power disconnect devices. A separate Earth
Ground connection must be made to ensure proper panel operation and lightning and transient pro-
tection. Connect the Earth Ground wire (minimum 14 AWG) to one of the transformer mounting
studs. Do not use conduit for the Earth Ground connection since this does not provide reliable pro-
tection.
Secondary Power Source (Batteries)
Observe polarity when connecting the batteries. Connect the battery cable to P11 on the main cir-
cuit board, using the plug-in connector and cable provided. The battery charger is current-limited
and capable of recharging sealed lead acid type batteries (See Figure 3.5 for battery orientation).
The charger shuts off when the system is in alarm. page 72 for calculation of the correct battery rat-
ing.
! CAUTION: SULFURIC ACID
BATTERIES CONTAINS SULFURIC ACID WHICH CAN CAUSE SEVERE BURNS TO THE SKIN
AND EYES, AND CAN DESTROY FABRICS. IF CONTACT IS MADE WITH SULFURIC ACID,
IMMEDIATELY FLUSH THE SKIN OR EYES WITH WATER FOR 15 MINUTES AND SEEK
IMMEDIATE MEDICAL ATTENTION.
CAU
TI
ON!
HI G H V O LT
AG
E
Figure 3.5 Operating Power Connections
ac
25
dap
ow
r.
w
m
f
ACC-ZSM Mounting Bracket
VAC
Hot (black)
Neutral (white)
Ground (green)
Connect Earth Ground
wire to ground stud
black red
12 VDC battery 12 VDC battery