Fire-Lite Alarms MS-2 User manual

DF-52211 • 02/16/05 — Page 1 of 2
GENERALGENERAL
GENERALGENERAL
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.
FEATURESFEATURES
FEATURESFEATURES
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).
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DF-52211 • A2-250February16, 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: [phone], Toll-Free FAX: [phone]. Made in the U.S.A.
i³™ is a trademark of System Sensor, a Honeywell company.

Page 2 of 2 — DF-52211 • 02/16/05
• Control buttons:
— ACK (Acknowledge)
— Alarm Silence
— Reset
— Walk Test
— Zone Enable/Disable (one per zone)
•
LED indicators:
— Fire Alarm (one per zone)
— Supervisory (one per zone)
— Trouble (one per zone)
— Maintenance (one per zone)
— AC Power
— NAC Disable
— Zone Disable
— NAC Fault
— System Trouble
— Power Trouble
— Walk Test
— Alarm Silence
— Earth Fault (on circuit board)
— Battery Fault (on circuit board)
— Charger Fault (on circuit board)
• Piezo sounder for alarm, trouble, supervisory and mainte-
nance.
OPERATIONOPERATION
OPERATIONOPERATION
OPERATION
Activation of a compatible smoke detector or any normally-
open fire alarm initiating device activates audible and visual
signaling devices, illuminates an indicating LED, sounds
the piezo sounder at the FACP, activates the FACP alarm
relay and operates an optional module used to notify a
remote station or initiate an auxiliary control function.
SPECIFICATIONSSPECIFICATIONS
SPECIFICATIONSSPECIFICATIONS
SPECIFICATIONS
AC Power — TB8
• MS-2: 120 VAC, 50/60 Hz, 2.3 A
•
MS-2E: 240 VAC, 50 Hz, 1.15 A.
• Wire size: minimum 14 AWG (2.0 mm²) with 600 V insu-
lation.
Battery (sealed lead-acid only) — J8
• Maximum charging circuit: normal flat charge 27.6 VDC
@ 0.8 A.
• Maximum battery charger capacity: 18.0 AH battery (two
7.0 AH batteries can be housed in the FACP cabinet.
Larger batteries require a separate battery box such as
the Fire•Lite BB-17F).
Initiating Device Circuits — TB3
• Alarm zones 1 & 2.
• Power-limited circuitry.
• Operation: all zones Style B (Class B).
• Normal operating voltage: nominal 22 VDC.
• Alarm current: 15 mA minimum.
• Short-circuit current: 40 mA maximum.
• Maximum loop resistance: 100 ohms.
• End-of-line resistor: 4.7K ohm, 1/2 watt (P/N 71252).
• Standby current: 4 mA.
• Compatible devices: Refer to
Fire•Lite Device Compatibil-
ity Document 15384 for listed compatible devices.
Notification Appliance Circuits — TB2
• One NAC on MS-2.
• Power-limited circuitry.
• Normal operating voltage: nominal 24 VDC.
• Maximum signaling current: 2.5 A total with standard trans-
form.
• End-of-line resistor: 4.7K ohm, 1/2 watt (P/N 71252).
• Compatible devices: refer to
Fire•Lite Device Compatibil-
ity Document 15384 for listed compatible devices.
Form-C Relays
• Trouble Relay TB5 (fail-safe).
• Alarm Relay TB 6.
• Relay contact ratings: 2.0 A @ 30 VAC (resistive).
Auxiliary Output:
Resettable Power — TB1
• Operating voltage: nominal 24 VDC.
• Maximum available current: 500 mA — appropriate for
powering four-wire smoke detectors
(see notes below) .
• Power-limited circuitry.
NOTES: 1) See the Fire•Lite Device Compatibility Docu-
ment 15384 for listed compatible devices. 2) Total current
for resettable power and one NAC must not exceed 3.0 A
for the MS-2.
Cabinet Dimensions
Door: 15.342" (38.97 cm) high x 14.677" (37.28 cm) wide x
0.375" (0.95 cm) deep. Backbox: 15.0" (38.10 cm) high x
14.5" (36.83 cm) wide x 3.0" (7.62 cm) deep.
BACKBOX MOUNTINGBACKBOX MOUNTING
BACKBOX MOUNTINGBACKBOX MOUNTING
BACKBOX MOUNTING
The cabinet can be surface mounted. The door is remov-
able during installation by opening and lifting it off the hinges.
The cabinet mounts using two key slots at the top of the
backbox and two additional 0.250" diameter holes at the
bottom.
PRODUCT LINE INFORMATIONPRODUCT LINE INFORMATION
PRODUCT LINE INFORMATIONPRODUCT LINE INFORMATION
PRODUCT LINE INFORMATION
MS-2 Two-zone conventional FACP; 120 VAC, 50/60
Hz, 2.3 A.
MS-2E Same as above with 240 VAC, 50 Hz, 1.15 A
operation.
BB-17F Battery box, required to house two batteries
greater than 7 AH to a maximum of 18 AH.
DP-MS2/4 Dress panel.
MS-2RB MS-2(E) replacement board.