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MS-9050UD
DF-52418:A 04/05/07 Page 1 of 4
MS-9050UD
Fire Alarm Control Panel
with DACT
Addressable
DF-52418:A A1-60
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General
The FireLite MS-9050UD is a Fire Alarm Control Panel
(FACP) and Digital Alarm Communicator/Transmitter (DACT)
combined into one circuit board. This compact, cost effective,
intelligent addressable control panel supports up to 50 addres-
sable devices of any type of detectors and modules. With an
extensive list of powerful features, the MS-9050UD programs
just like FireLites larger products, yet fits into applications pre-
viously served only by conventional panels.
The MS-9050UDs integral DACT transmits system status
(alarms, troubles, AC loss, etc.) to a Central Station via the
public switched telephone network.
The power supply and all electronics are contained on a single
circuit board supported on a new quick install chassis and
housed in a metal cabinet. Available accessories include
remote annunciators and reverse polarity/city box transmitter.
(4XTMF)
Features Listed to UL Standard 864, 9th edition. Auto-program (learn mode) reduces installation time.
Reports two devices set to the same address. On-board DACT. 20 software zones. Two independently programmable Style Z (Class A) or
Style Y (Class B) NAC circuits. Selectable strobe synchronization for System Sensor,
Wheelock, and Gentex devices. Remote Acknowledge, Silence, Reset and Drill via address-
able monitor modules. Two programmable relays and one fixed trouble relay. Integral 80-character LCD display with backlighting. Real-time clock/calendar with automatic daylight savings
control. History file with 500 event capacity. Detector sensitivity test capability (NFPA 72 compliant). Maintenance alert warns when smoke detector dust accu-
mulation is excessive. One person audible or silent walk test with walk-test log and
printout. Point trouble identification. Waterflow (nonsilenceable) selection per monitor point. System alarm verification selection per detector point. PAS (Positive Alarm Sequence) and Pre-signal per point
(NFPA 72 compliant). Up to eight ANN-BUS annunciators.
SLC COMMUNICATION LOOP: Single addressable SLC loop which meets NFPA Style 4, 6
and 7 requirements. 50 addressable device capacity (any combination of
addressable detectors and modules). Compatible with FireLites addressable devices (refer to
SLC Wiring Manual).
NOTIFICATION APPLIANCE CIRCUITS (NACS): Two independently programmable output circuits. Circuits
can be configured for the following outputs:
Style Y (Class B)
Style Z (Class A)
Door Holder Service
Aux Power Source Silence Inhibit and Autosilence timer options. Continuous, March Time, Temporal or California code for
main circuit board NACs with two-stage capability. Selectable strobe synchronization per NAC. 2.5 A total power for NACs.
NOTE: Maximum or total 24VDC system power shared between
all NAC circuits and the ANN-BUS is 2.7 A.
PROGRAMMING AND SOFTWARE: Autoprogram (learn mode) reduces installation time. Custom English labels (per point) may be manually entered
or selected from an internal library file. Two programmable Form-C relay outputs. 20 software zones. Continuous fire protection during online programming at the
front panel. Program Check automatically catches common errors not
linked to any zone or input point. Page 2 of 4 DF-52418:A 04/05/07
User interface
LED INDICATORS
AC Power (green)
Fire Alarm (red)
Supervisory (yellow)
Trouble (yellow)
Alarm Silenced signals (yellow)
KEYPAD
16 key alpha-numeric pad.
Acknowledge/Step
Alarm Silenced
Drill (Manual Evacuate)
Reset (lamp test)
Ordering Options
MS-9050UD: Combination DACT/Fire Alarm Control Panel
with one SLC loop. Includes main circuit board with display,
chassis with transformer, backbox with door, plastic bag con-
taining screws, cables, key, etc., manual.
DP-51050: Optional dress panel for the MS-9050UD.
TR-CE: Trim Ring for semi-flush mounting.
BB-26: Battery backbox, holds up to two 25 AH batteries and
CHG-75.
BB-55F: Battery box, houses two 55 AH batteries
CHG-75: Battery charger for lead-acid batteries with a rating
of 25 to 75 AH.
BAT Series: Batteries, see data sheet DF-52397.
PRT/PK-CABLE: Cable printer/personal computer interface
cable.
PRN-6F: UL listed compatible event printer. Uses tractor-fed
paper.
OPTIONAL MODULES
4XTMF Reverse Polarity Transmitter Module: Provides a
supervised output for local energy municipal box transmitter,
alarm and trouble. Includes a disable switch and disable trou-
ble LED.
COMPATIBLE ANNUNCIATORS
ANN-80: Remote LCD annunciator mimics the FACP display
ANN-I/O: Input/Output Module for driving graphic annuncia-
tors or relays
ANN-S/PG: Serial/Parallel Printer Interface module for con-
necting printer to FACP
ADDRESSABLE DEVICES
All feature a polling LED and rotary switches for addressing.
CP355: Addressable low-profile ionization smoke detector.
SD355: Addressable low-profile photoelectric smoke detec-
tor.
SD355T: Addressable low-profile photoelectric smoke detec-
tor with thermal sensor.
H355: Fast-response, low-profile heat detector.
H355R: Fast-response, low-profile heat detector with rate-of-
rise option.
AD355: Low-profile, intelligent, Adapt multi-sensor detector
(B350LP base included). CLIP MODE ONLY
BEAM355: Intelligent beam smoke detector.
BEAM355S: Intelligent beam smoke detector with integral
sensitivity test.
D350PL: Photoelectric low-flow duct smoke detector.
D350RPL: Photoelectric low-flow duct smoke detector with
relay option.
MMF-300: Addressable Monitor Module for one zone of nor-
mally-open dry-contact initiating devices. Mounts in standard
4.0" (10.16 cm.) box. Includes plastic cover plate and end-of-
line resistor. Module may be configured for either a Style B
(Class B) or Style D (Class A) IDC.
MDF-300: Dual Monitor Module. Same as MMF-300 except it
provides two Style B (Class B) only IDCs.
MMF-301: Miniature version of MMF-300. Excludes LED and
Style D option. Connects with wire pigtails. May mount in
device backbox.
MMF-302: Similar to MMF-300, but may monitor up to 20 con-
ventional two-wire detectors. Requires resettable 24 VDC
power. Consult factory for compatible smoke detectors.
CMF-300: Addressable Control Module for one Style Y/Z
(Class B/A) zone of supervised polarized Notification Appli-
ances. Mounts directly to a 4.0" (10.16 cm.) electrical box.
Notification Appliance Circuit option requires external 24 VDC
to power notification appliances.
CRF-300: Addressable relay module containing two isolated
sets of Form-C contacts, which operate as a DPDT switch.
Mounts directly to a 4.0" (10.16 cm.) box, surface mount using
the SMB500.
BG-12LX: Addressable manual pull station with interface
module mounted inside.
I300: This module isolates the SLC loop from short circuit
conditions (required for Style 6 or 7 operation).
SMB500: Used to mount all modules except the MMF-301
and M301.
MMF-300-10: Ten-input monitor module. Mount one or two
modules in a BB-2F cabinet (optional). Mount up to six mod-
ules on a CHS-6 chassis in a BB-6F cabinet.
MMF-302-6: Six-zone interface module. Mount one or two
modules in a BB-2F cabinet (optional). Mount up to six mod-
ules on a CHS-6 chassis in a BB-6F cabinet.
CMF-300-6: Six-circuit supervised control module. Mount one
or two modules in a BB-2F cabinet (optional). Mount up to six
modules on a CHS-6 chassis in a BB-6F cabinet.
CRF-300-6: Six Form-C relay control module. Mount one or
two modules in a BB-2F cabinet (optional). Mount up to six
modules on a CHS-6 chassis in a BB-6F cabinet.
NOTE: 1) For more information on Compatible Addressable
Devices for use with the MS-9050UD, see the following data
sheets (document numbers): AD355 (DF-52386), BG-12LX (DF-
52013), CMF-300-6 (DF-52365), CRF-300-6 (DF-52374), CMF/
CRF Series (DF-52130), CP355 (DF-52383), D350PL/D350RPL
(DF-52398), H355 Series (DF-52385), I300 (DF-52389), MMF-300
Series/MDF-300 (DF-52121), MMF-300-10 (DF-52347), MMF-
302-6 (DF-52356), SD355/SD355T (DF-52384).
2) Legacy 300 Series detection devices such as the AD355,
CP300/CP350, SD300(T)/SD350(T) and older modules such as
the M300, M301, M302, C304, and BG-10LX are not compatible
with LiteSpeed polling. If the SLC contains one of these devices,
polling must be set for standard CLIP protocol. Please consult fac-
tory for further information on previous 300 Series devices. DF-52418:A 04/05/07 Page 3 of 4
ADDRESSABLE DEVICE ACCESSORIES
End-of-Line Resistor Assembly (R-47K and R-3.9K): 47k
ohm supervises the MMF-300, MDF-300, MMF-301, and
CMF-300 module circuits. 3.9k ohm End-of-Line Resistor
assembly supervises the MMF-302 module circuit. These
resistors are included with each module.
Power Supervision Relay: Supervises the power to 4-wire
smoke detectors and notification appliances.
N-ELR Mounting Plate: Single End-of-Line resistor plate
required for use in Canada.

Wiring Requirements
While shielded wire is not required, it is recommended that all SLC wiring be twisted-pair to minimize the effects of electrical inter-
ference. Wire size should be no smaller than 18 AWG (0.78 mm²) and no larger than 12 AWG (3.1 mm²). The wire size depends
on the length of the