Section 2: Product Overview; Audio Amplifier Features; System Overview - Honeywell NOTIFIER AA Series Installation Manual

Analog audio amplifiers for dvc-ao applications
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2.1 Audio Amplifier Features

There are three audio amplifier models; each provides a different power level:
AA-30 - Up to 30 watts of power for driving 25 Vrms speaker circuits.
AA-100 - Up to 100 watts of power for driving 70.7 Vrms speaker circuits.
AA-120 - Up to 120 watts of power for driving 25 Vrms speaker circuits.
NOTE: Whenever AA-30, AA-100 and AA-120 are mentioned, it also refers to the AA-30E, AA-100E and AA-120E (240 VAC versions).
Audio amplifiers provide the following features:
Built-in Supervision Each audio amplifier contains LEDs showing the type of trouble. Types of trouble include: brownout, loss of
low-level supervision tone at the input, battery failure, audio output wiring failure (if set for four-wire output), and amplifier failure.
During total loss of primary AC power, all LEDs extinguish to conserve battery power.
Backup You can set up an audio amplifier as a backup amplifier for multiple amplifiers. If an amplifier fails, the signal
automatically switches to the backup amplifier. When one backup amplifier is serving multiple primary amplifiers, only one
primary amplifier failure will be supported.
Speaker zone selection Set by Control-By-Event (CBE) or set manually using control switches on ACM-24AT modules or DVC-
Backup Tone The AA-100 and AA-120 will generate automatic backup tones if the low-level input is lost.

2.2 System Overview

Figure 2.1, "Product Overview" provides a functional overview of how analog audio amplifiers can fit into a Digital Voice Command
Amplifying the Low-Level Analog Audio Signal Received from DVC-AO
AA-series analog audio amplifiers receive low-level audio messages from the Digital Voice Command Analog Output module (DVC-
AO) and send amplified output to the control modules (such as FCM-1 or XP6-C) that control the speaker zones. Any listed transponder
or control module can be used with control-by-event equations.
Driving Speaker Circuits
The amplified signal from each Audio Amplifier must be connected to a control module that will switch the signal to a speaker circuit.
The FCM-1 or XP6-C control module connects to any control panel with an SLC loop and gets its instructions via CBE programming.
The module is fed an amplified audio signal from an audio amplifier. When a circuit is activated, this audio power is switched to a
speaker zone just as notification appliance power would be connected to a Notification Appliance Circuit (NAC).
When control modules are used to activate speaker circuits on an Audio Amplifier output, the control modules must be located within
20 ft of the amplifier output with cable in conduit. If installation of the control modules is required more than 20 ft away, the output
must only serve one notification zone.
Speaker Circuit Power Limitations
The total power available from any group of speaker circuits cannot exceed the limitations of the audio amplifiers feeding that group.
The maximum load connected to any one speaker circuit cannot exceed 30 watts. See the ACT-2 Installation Document for instructions
on using this step-down transformer to take the high level output of one audio amplifier to the low-level input of another audio amp.

Section 2: Product Overview

AA-series Audio Amplifiers Manual for DVC-AO Applications — P/N 52526:B 8/13/2019

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