14 Audio Command Center Series Manual — P/N 51889:E1 6/8/2010
Product Description Product Features
Primary applications for the audio panels include structures such as restaurants, schools, auditori-
ums, places of worship, buildings with occupancies over 50, etc. The ACC-25/50 Series is
designed to interface directly to addressable or conventional fire alarm control panels or can be
used with the Audio Command Center Distributed Audio (ACC-25/50DA) panel to distribute audio
in systems that require more than 50 watts.
1.1 Product Features
• 25 watts of 25 VRMS audio power (expandable to 50 watts) per panel
• Optional 70.7 VRMS conversion module available for each amplifier (note that speaker wiring
continues to be supervised in standby, alarm and when background music is playing with this
option module installed)
• Modular design for maximum system flexibility
• Unobstructed module access and removable terminal blocks for ease of servicing and module
replacement
• Designed to allow easy system expansion
• Five Command Input Circuits:
CMD1 and CMD2 are field selectable to be activated from 12 or 24 VDC Notification
Appliance Circuits (reverse polarity) or contact closures
CMD3, CMD4, and CMD5 are activated by contact closures
• Speaker Circuits
single Style Y or Z speaker circuit (one ACC-AAM25 Audio Amplifier provided with base
unit)
two Style Y or Style Z speaker circuits (with optional second ACC-AAM25 Audio
Amplifier installed)
eight Style Y or four Style Z speaker circuits (only on ACC-25/50ZS or ACC-25/50ZST
Panel with ACC-ZSM Zone Splitter Module)
• ACC-25/50ZS and ACC-25/50ZST can be controlled by an FACP via the ACS (EIA-485) link
to the ACC-ZPMK. ACS compatible FACPs include the MS-9600, MS-9200(E), MS-
9200UD, MS-9200UDLS and MS-5210UD.
• Integral supervised microphone
• Microphone time-out feature which reverts back to prerecorded message if emergency page
exceeds three minutes
• Standard, prerecorded message:
“May I have your attention please. May I have your attention please. The signal you
have just heard indicates a report of a fire in this building. Please proceed to the nearest
exit and leave the building. Do not re-enter the building unless directed to do so by the
proper authorities.”
• Field-selectable message and custom message field recording capability using local
microphone or two compatible audio input jacks
• Two External Audio Inputs for recording custom message from compatible source or playing
music over the system with prior approval of the local Authority Having Jurisdiction (AHJ)
• Multiple duration message capability: one 60 second, two 30 second, three 20 second, four 15
second or five 12 second custom messages
• Integral tone generators field selectable for steady, slow-whoop, high-low or chime tones
• Higher wattage capability available by using the Audio Command Center Distributed Audio
(ACC-25/50DA) panel
• Powered by integral AC power supply or batteries during AC fail
• Programmable delay of immediate, 2 hours or 6 hours reporting of AC Loss
• Piezo sounder for local trouble