To Next Page

To Previous Page

NFS2-640 Operations P/N 52743:L4 06/10/19 21

Mass Notification Mode of Operation Operation of the Control Panel

3.4 Mass Notification Mode of Operation

3.4.1 How the Control Panel Indicates a Mass Notification Alarm

When an initiating device activates, the control panel does the following:

• Produces a steady audible tone

• Does not activate any alarm relays or devices programmed as Alarm Pending or General

Pending

• Does not flash any panel LEDs

• Displays a Type Code that indicates the type of device that activated the MN alarm

•Displays

MN ALARM in the status banner on the LCD display, along with information specific

to the device, as shown below:

NOTE: For ACCL/ACCL+ detectors:

Detectors programmed as ACCL (P SUP) or ACCL+ (P SUP), the heat element will latch and require a system reset to clear. The Photo

element will latch or track, depending on the ACCL (P SUP) latching setting.

PHOTO/CO

* Y Indicates activation of the Photo, Heat, or CO element of a

detector.

Lights FIRE ALARM LED for photo and heat,

no LED will light for a CO alarm. Photo and

heat will activate CBE, CO alarm activates

special function zone FC and sixth CBE

zone only (sixth CBE zone programmable

via VeriFire Tools)

PHOTO/CO

(P SUP)*,

2,4,5

Y Indicates activation of the Photo, Heat or CO element of a

detector.

Lights FIRE ALARM LED for heat, no LED will

light for a CO alarm, supervisory LED will

light for photo alarm, heat and photo will

activate CBE, CO alarm activates special

function zone FC and sixth CBE zone only

(sixth CBE zone programmable via VeriFire

Tools). FlashScan only. No Pre-Alarm

PHOTO/CO (C SUP)*

Y Indicates activation of the Photo, Heat or CO element of a

detector.

Lights FIRE ALARM LED for heat and photo

alarms, will light supervisory LED for CO

alarm, photo and heat alarms will activate

CBE, CO alarm will activate sixth CBE

zone only (sixth CBE zone programmable

via VeriFire Tools). FlashScan only. No Pre-

Alarm.

NOTE: For Photo/CO detectors:

Detectors programmed as P/CO (P SUP), the heat and CO elements will latch and require a system reset to clear. The Photo element will latch or track, depending on the

Photo/CO (Photo SUP) setting. Detectors programmed as P/CO (C SUP), the heat and Photo elements will latch and require a system reset to clear. The CO element will

latch or track depending on the Photo/CO (CO SUP) setting. For Photo/CO and CO Detectors programmed as Photo/CO (P SUP) or CO (CO SUP) will either latch

and track, depending on the setting.

* FlashScan only

1 CLIP Mode only

2 Requires approval of AHJ.

3 Not suitable for Canadian applications.

4 LED representation of a CO alarm may be performed using an ACS annunciator.

5 Photo element can be programmed as latching or tracking for all Photo/CO devices programmed as this type ID via VeriFire Tools.

Type Code

Latching

(Y/N)

Purpose What it does

Table 3.1 Fire Alarm Type Codes (3 of 3)