Section 2: Configurations; Autonomous Control Unit (Acu); 1: Description; 2: Configurations - Honeywell Notifier NFS2-3030 FACP Programming And Operations Manual

Mass notification system

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Notifier equipment can be combined to meet the UL 2572 requirements for ACU, LOC, and CCS command centers. This section

describes the product combinations that can be used to create these MN features, as well as their MN inputs and outputs.

NOTE: Product combinations must be in the same cabinet, or in cabinets next to each other with connections in conduit.

2.1 Autonomous Control Unit (ACU)

2.1.1 Description

An Autonomous Control Unit (ACU) is the primary local control unit for a mass notification system. It monitors and controls notifica-

tion appliances for a building or other protected premise. The ACU provides the ability to acknowledge, silence, and reset any events

(fire or MN) that are mapped to the ACU. MN events can be acknowledged, silenced or reset only by an active MN command center.

Alarm, supervisory and trouble events are acknowledged and reset using the same acknowledge and reset buttons. In the event both an

MN and fire event are active, only the highest priority type will change state with a reset. A second reset is required to clear the lower

priority events.

The ACU displays MN alarms differently from fire alarms. Fire alarms are indicated by the "Fire Alarm" LED, and will be counted with

the Fire Alarm counter. MN alarms are indicated by the "Other" LED on the display, and indicated on an annunciator with a dedicated

LED and counted with an OTHER counter. MN supervisory events and fire supervisory events share the Supervisory LED, piezo sound-

ing pattern, and supervisory counter. MN points in trouble and fire points in trouble will share the same trouble LED, piezo sounding pat-

tern and trouble counter in the display.

The DVC (in ACU mode) provides the audio functions of the ACU. It provides three paging levels - Level 1, Level 2 and Level 3 -

which may be assigned to MN, fire, or general paging for prioritization based on site-specific requirements. A page at the MN level will

create a latching MN alarm condition that requires acknowledgment and reset. Multiple ACU locations can be prioritized in hierarchical

levels by adjusting the priority level of the local microphone input. The ACU supports All Call when priority allows. MN pages from an

ACU must be ALL CALL pages.

When an ACU gains control of acknowledge, silence and reset functions in an MN system, control is indicated by a lit Controls Active

LED at the ACU. All other Controls Active LEDs in the system are extinguished, red lockout icons appear in ONYXWorks Workstation

paging zones and on the acknowledge, silence, and reset control buttons; acknowledge, silence and reset functions are blocked until the

MN alarm is cleared.

2.1.2 Configurations

The following two equipment combinations will meet the requirements for ACU functionality when combined with MN priority pro-

gramming.

• An NCA-2 combined with a DVC (in ACU mode) and its local microphone.

• An NFS2-3030 (in network display mode), combined with a DVC (in ACU mode) and its local microphone.

A DVC-KD, ACM-24AT, or AEM-24AT LED point must be programmed as a dedicated visual indicator of an MN alarm for each of

these configurations.

OTHER LED

for MN alarm

annunciation

NFS2-3030

and DVC

Required LED

annunciator or

DVC-KD point

programmed to

illuminate when an

MN alarm activates

Power

Supply

AMPS-24

Refer to page 15 for programming.

Mass Notification — P/N LS10063-000NF-E:E 06/26/2019