Figure 1.3 ACC-25/50ZS Main Board With Modules
AC25ZSMNTa.wmf
1 2 3 4 1 2 3 4
Circuits are power-limited and
supervised and require ELRs
4.75K P/N: 27589
1 2 3 4
1 2 3 4
1 2 3 4
5
4
3
2
1
5
4
3
2
1
5
4
3
2
1
5
4
3
2
1
5
4
3
2
1
5
4
3
2
1
5
4
3
2
1
5
4
3
2
1
Speaker Circuits are
supervised, power-limited
supervised
(nonsupervised)
Style Y (Class B)
To Speakers
To Speakers
To Speakers
To Speakers
To Speakers
To Speakers
To Speakers
shield
shield
shield
shield
Dummy Load all
unused circuits with
4.75 K resistor
Style Z (Class A)
To Speakers
shield
Speaker Return
Page
Active
LED
To Speakers
shield
Speaker Return
To Speakers
shield
Speaker Return
To Speakers
shield
Speaker Return
Jumper all unused circuits:
+ to + and - to -
Field Programmable
Option Switches for
Speaker Circuits
ACS Addressing
Switches for EIA-485
Communications with
FACP
ON
TENS ONES
ACC-ZPMK
Zone Page Module
ACS (EIA-485)
Link to FACP
to ACS devices down-stream
ACC-EPM
External Page Module
Class A
Class B
from external page
system audio
(600, 700 mV
RMS
)
contact closure
from external
page system
Select 4 Class
A or 8 Class B
Speaker
Circuits
(shown for 8
Class B
Speaker
Circuits)
To Amplifier #1
To Amplifier #2
Select Single
or Split
Amplifier
Configuration
(shown set for
Split Amplifier
configuration)
ACC-ZSM
Zone Splitter
Module
Zone 1
Zone 2
Zone 3
Zone 4
Zone 5
Zone 6
Zone 7
Zone 8
Zone 1
Zone 2
Zone 3
Zone 4