User guide

Distributed Audio Panel Manual — P/N 52265:B1 6/8/2010 15
Product Features Product Description
!
CAUTION: OBSERVE POLARITY
MATCH PROPER POLARITY CONNECTIONS TO FIELD WIRING AND SPEAKERS. POLARITY
SHOWN IS IN THE STANDBY AND ALARM CONDITIONS.
J1
T1
TB1 TB2
P1
SW1
BACK-UP ON
CKT TBL
AMP SUPV
J1
TB1 TB2
P1
SW1
BACK-UP ON
CKT TBL
AMP SUPV
J1
TB2
TB1 TB1
1 2 3 4 5 6
1 2 3 4 5 6
1 2 3 4
S1
+ - + -
+ - + -
ac25damnt2a.wmf
+ - + -
Speaker Circuits are supervised
and power-limited
ELR Resistor required only for
Style Y (Class B) circuits.
4.75 K, 1 watt P/N: 75470
Figure 1.2 Distributed Audio Board With Amplifiers
Backup Audio
In Out
Optional 2nd or
Backup Amplifier
ACC-AAM25
Field Programmable
Option Switches
S2 and S1
Controls and
System Status
Indicators
(Switch S1 of 2nd amplifer shown
in Backup “OFF” condition)
BACK-UP ON
FC-XRM70
Optional 70.7 V
RMS
Plug-in Conversion Module
(available for each amplifier)
Standard
Main Amplifier #1
ACC-AAM25
LEDs on each amplifier
Amp
Supervision
Circuit
Trouble