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DF-52211 •  02/16/05

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GENERAL

GENERAL

GENERAL

GENERAL

GENERAL

The Fire•Lite MS-2 and MS-2E Fire Alarm Control Panels
bring the latest in microprocessor technology to conven-
tional fire controls. The MS-2 is compatible with the new

i³™

 

smoke detectors from System Sensor, and provides

such advanced features as drift compensation, mainte-
nance alert, and freeze warning. Automatic synchronization
of audio/visual devices is provided, using three selections
for manufacturer protocol. The NAC protocol includes the
ability to silence audible devices while strobes continue to
flash, using only a single pair of wires.

The MS-2 also is compatible with conventional input de-
vices such as two- and four-wire smoke detectors, pull
stations, waterflow devices, tamper switches and other nor-
mally-open contact devices. For 240 VAC operation, order
MS-2E. See the 

Fire•Lite Device Compatibility Document

15384 for a complete list of compatible devices.

NOTE: Unless indicated otherwise, the term “MS-2” refers to
both MS-2 and MS-2E models.

FEATURES

FEATURES

FEATURES

FEATURES

FEATURES

• Two Style B (Class B) IDCs (Initiating Device Circuits).
• One Style Y (Class B) NAC (Notification Appliance Circuit).

• 24 VDC.

i³™ 

Technology features:

— Drift compensation automatically adjusts detector sen-

sitivity and increases resistance to false alarms caused
by dust accumulation.

— Maintenance Alert LEDs (per zone) warn of exces-

sive dirt accumulation, preventing false alarms (meets
NFPA 72 requirements).

— Detector sensitivity is automatically measured by the

detector, which automatically adjusts its sensitivity back
to the factory settings when it becomes more sensitive
due to contaminants settling in the chamber.

— Wireless handheld sensitivity meter eliminates the

need for voltmeters, magnets and a physical connec-
tion to the detector. The reader displays sensitivity in
terms of percent per foot obscuration and provides
text status indication.

— Supervisory LED (per zone) provides warning if a de-

tector senses temperature approaching freezing.

— Special test protocol and LED indication allows quick

test of all detectors without need for a ladder.

NAC synchronization features:
— Provides synchronization of standard ANSI audible sig-

nals as required by NFPA 72.

— Provides synchronization of ADA compliant strobes

per NFPA 72.

— Selectable for System Sensor, Wheelock and Gentex

protocols.

— Selective Silence feature allows manual silence of

horns while strobes continue to flash on the same NAC.

• Silent or Audible Walk Test operation mode commanded

from the front keypad, with automatic return to normal after
one hour of inactivity.

• Alarm verification selectable per zone.
• Each zone may be programmed for supervisory or fire,

with separate red and yellow LEDs.

• Disable switches provided per zone.

NACs programmable for:
— Silence Inhibit
—  Auto Silence
— Strobe Synchronization

— Selective Silence (horn-strobe mute)
— Temporal or Steady signal
— Silenceable or Nonsilenceable

• Form-C Alarm and Trouble relays.
• 3.0 amps total usable current.

• Optional dress panel (P/N DP-MS2/4).

S624

MS-2

MS2.jpg

7165-0075:200

MEA

297-01-E

California

State Fire

Marshal

MS

MS

MS

MS

MS-2(E)

-2(E)

-2(E)

-2(E)

-2(E)

Fire Alarm Control P

Fire Alarm Control P

Fire Alarm Control P

Fire Alarm Control P

Fire Alarm Control Panel

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DF-52211 • A2-250

February16, 2005

Section: Conventional

www.firelite.com

Fire•Lite® Alarms is a Honeywell company.
This document is not intended to be used for installation purposes. We try to keep
our product information up-to-date and accurate. We cannot cover all specific
applications or anticipate all requirements. All specifications are subject to change
without notice.
For more information, contact Fire•Lite Alarms, One Fire-Lite Place, Northford,
Connecticut 06472. Phone: (800) 627-3473, Toll-Free FAX: (877) 699-4105.

Made in the U.S.A.

i³™

 is a trademark of System Sensor, a Honeywell company.

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