1 Firelite Place Northford, CT 06472-1653 USA TEL: (203) 484-7161
C
Installation Procedure
Installation Precautions - Adherence to the following will aid in problem-free installation
with long-term reliability: WARNING - Several different sources of power can be connected
to the fire alarm control panel. Disconnect all sources of power before servicing. Control unit
and associated equipment may be damaged by removing and/or inserting cards, modules, or
interconnecting cables while the unit is energized. Do not attempt to install, service, or operate
this unit until manuals are read and understood. CAUTION - System Re-acceptance T est after
Software Changes: To ensure proper system operation, this product must be tested in
accordance with NFPA 72 after any programming operation or change in site-specific
software. Re-acceptance testing is required after any change, addition or deletion of system
components, or after any modification, repair or adjustment to system hardware or wiring. All
components, circuits, system operations, or software functions known to be affected by a
change must be 100% tested. In addition, to ensure that other operations are not inadvertently
affected, at least 10% of initiating devices that are not directly affected by the change, up to a
maximum of 50 devices, must also be tested and proper system operation verified. This
system meets NFP A requirements for operation wi thin the range of 0°C-49°C (32°F-120°F) or
humidity within the range of 10%-93% at 30°C (86°F) noncondensing. However, the useful
life of the system's standby batteries and the electronic components may be adversely affected
by extreme temperature ranges and humidity. Therefore, it is recommended that this system
and its peripherals be installed in an environment with a normal room temperature of 15-27º
C/60-80º F. Verify that wir e sizes ar e adequate for all initiating and indicating device loops.
Most devices cannot tolerate more than a 10% I.R. drop from the specified device voltage.
Like all solid state electronic devices, this system may operate erratically or can be damaged
when subjected to lightning induced transients. Although no system is completely immune
from lightning transients and interference, proper grounding will reduce susceptibility.
Overhead or outside aerial wiring is not recommended, due to an increased susceptibility to
nearby lightning strikes. Consult with the Technical Services Department if any problems are
anticipated or encountered. Remove DC power prior to removing or inserting circuit boards.
Failure to do so can damage circuits. Remove all electronic assemblies prior to any drilling,
filing, reaming, or punching of the enclosure. When possible, make all cable entries from the
sides or rear. Before making modifications, verify that they will not interfere with battery,
transformer, or printed circuit board location. Do not tighten scr ew terminals more than 9 inlbs. Over-tightening may damage threads, resulting in reduced terminal contact pressure and
difficulty with screw terminal removal. Fire alarm control panels contain static-sensitive
components. Always ground yourself with a proper wrist strap before handling any circuits so
that static charges are removed from the body. Use static suppressive packaging to protect
electronic assemblies removed from the unit.
Follow the instructions in the installation, operating, and programming manuals. These
instructions must be followed to avoid damage to the control panel and associated equipment.
FACP operation and reliability depend upon proper installation.
Equipment used in the system may not be technically compatible with the control. It is
essential to use only equipment listed for service with your control panel. Telephone lines
needed to transmit alarm signals from a premise to a central monitoring station may be out of
service or temporarily disabled. The most common cause of fire alarm malfunctions,
however, is inadequate maintenance. All devices and system wiring should be tested and
maintained by professional fire alarm installers following written procedures supplied with
each device. System inspection and testing should be scheduled monthly or as required by
National and/or local fire codes. Adequate written records of all inspections should be kept.
1.1Overview of Basic System ....................................................................................................................... 1-1
1.1.1 Hardware Features .......................................... .................................................................................. 1-1
1.1.2 Software Features .............................................................................................................................1-1
1.2About this Manual ....................................................................................................................................1-2
1.2.1 Terms Used in this Manual ...............................................................................................................1-2
Before You Begin Installing ............................................................................................... 3-1
3.1What’s in the Box? ...................................................................................................................................3-1
3.6.1.1 Current Draw Worksheet for MS-25 UL 864 ........................................................................ 3-6
3.6.1.2 Current Draw Worksheet for MS-25C ULC ........................................... ...............................3-8
3.6.2 Maximum Battery Standby Load for UL 864 .................................................................................3-10
3.6.3 Maximum Battery Standby Load for ULC ..................................................................................... 3-10
Section 4
Control Panel Installation ......................................................................................................4-1
4.1Mounting the Control Panel Cabinet ....................................................................................................... 4-1
4.1.1 Preventing Water Damage ................................................................................................................4-1
4.1.2 Removing the MS-25 Assembly from the Housing ..........................................................................4-1
4.1.3 Dead Front Installation and removal ................................................................................................4-2
4.1.3.1 Installing the Dead Front ........................................................................................................ 4-2
1
Contents
4.1.3.2 Dead Front Removal .............................................................................................................. 4-3
4.2AC Power Connection .............................................................................................................................4-4
4.2.1 AC Power Connection for UL 864 applications ...............................................................................4-4
4.2.2 AC Power Connection for Canadian Applications ...........................................................................4-5
5.1List of SLC Devices .................................................................................................................................5-1
5.2Maximum Number of Devices .................................................................................................................5-1
5.3Wiring Requirements for SLC Devices ................................................... ................................................5-2
5.3.1 Wiring SLC in Style 4 (Class B) Configuration .................................. ............................................. 5-2
6.6.1 System Options .................................................................................................................................6-6
6.6.1.1 Synchronized Strobes Active When Horns Silenced ............................................................. 6-6
7.2Lamp Test ................................................................................................................................................ 7-1
7.5Viewing Active Alarm Points ............................................................ ......................................................7-1
7.6Viewing Active Supervisory Points .........................................................................................................7-2
7.7Viewing Active Trouble Points ................................................................................................................ 7-2
7.8Walk Test ......................................... ........................................................................................................7-2
7.12 Loss of AC power ....................................................................................................................................7-3
7.16 Phone Line Monitoring ...........................................................................................................................7-4
7.21.1 Conduct a Fire Drill ..........................................................................................................................7-7
7.21.2 Conduct an Indicator Test .................................................................................................................7-7
7.21.3 Silence alarms or troubles .................................................................................................................7-7
9.1.2 View Active Points ............................................ ............................................................................... 9-1
9.1.3 Disable Or Re-Enable A Zone ..........................................................................................................9-1
9.1.4 Silence the Board PZT ......................................................................................................................9-1
9.1.5 Silence the Notification Appliances .................................................................................................9-1
9.1.6 To Initiate a Fire Drill .......................................................................................................................9-2
9.1.7 For a Dialer Test ........................................................... ....................................................................9-2
9.1.8 For a Lamp Test ................................................................................................................................9-2
9.1.9 AC LED ............................................................................................................................................9-2
9.1.10 Walk Test ............................................. .............................................................................................9-2
9.2Web Server Menus ...................................................................................................................................9-3
9.2.1 To add a smoke detector: ..................................................................................................................9-3
9.2.2 To add a notification appliance (fire bell) ........................................................................................9-3
9.2.3 To add a Remote Annunciator (DIP switch address 1 or 2) ............................................................. 9-3
9.2.4 To add custom Zone name ................................................................................................................ 9-4
9.2.5 To trip an SLC notification appliance ...............................................................................................9-4
9.2.6 To trip a Door Holder .......................................................................................................................9-4
Manufacturer Warranties and Limitation of Liability
Model MS-25/MS-25C/MS-25E Basic Operating Instructions
5
MS-25 Installation and Operation Manual
6
Section 1
Introduction
The MS-25 Fire Alarm Control / Communicator is an addressable fire control system that
meets the requirements of UL 864, ULC 527, and ULC 559. Unless otherwise indicated, all
references to MS-25 also refer to MS-25C and MS-25E.
1.1Overview of Basic System
1.1.1Hardware Features
•The MS-25 has one signaling line circuit (SLC) that supports 25 SLC devices (See
Section 5.1), and one SBUS circuit that supports two remote annunicators.
•2.0A of output power is available through 2 sets of terminals for notification appliance
circuits or 1.0A for auxiliary power applications. Each circuit is power limited per UL 864
and can source up to 2.0A.
Note: Total output power for all three circuits must not exceed 2.0A.
•Built-in dual phone line, digital alarm communicator/transmitter (DACT).
•Reports events to central station by zone.
•Two general purpose Form C programmable relays.
•One Form C Trouble Relay.
1.1.2Software Features
•The MS-25 is an addressable panel that operates like a 5 zone conventional panel.
•Advanced addressable smoke detector features:
–Automatic drift compensation
–Maintenance alert region
–Point status meets calibrated smoke test requirements for NFPA 72
•Auto learn “JumpStart” feature for easy programming.
•A choice of output patterns available for notification outputs, including ANSI 3.41
temporal signal.
®
•Built-in synchronization appliance support for Amseco, Gentex
Sensor ®.
, Wheelock®, or System
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Model MS-25 Installation and Operation Manual
1.2About this Manual
This manual is intended to be a complete reference for all installation and operation tasks for
the MS-25. Please let us know if the manual does not meet your needs in any way.
We value your feedback!
1.2.1Terms Used in this Manual
The following terminology is used with the MS-25 system:
TermDescription
SLCSignaling Line Circuit
Input PointAn addressable sensing device, such as a smoke or heat detector
or a contact monitor device.
Input ZoneA protected area made up of input points.
Output Point
(or Output Circuit)
Output (or “Cadence”) PatternThe pattern that the output will use, for example, Constant or
A notification point or circuit for notification appliances. Relay
circuits and auxiliary power circuits are also considered output
points.
ANSI 3.41.
1.3Compatible Products
See Section 5.1 for a list of compatible SLC devices for use with the MS-25.
See Appendix A for a list of compatible notification appliances.
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Introduction
Limitations of Fire Alarm Systems
Manufacturer recommends that smoke and/or heat detectors be located throughout a protected
premise following the recommendations of the current edition of the National Fire Protection
Association Standard 72 (NFPA 72), manufacturer’s recommendations, State and local codes,
and the recommendations contained in Guide for the Proper Use of System Smoke Detectors,
which is made available at no charge to all installing dealers. A study by the Federal
Emergency Management Agency (an agency of the United States government) indicated that
smoke detectors may not go off or give early warning in as many as 35% of all fires. While
fire alarm systems are designed to provide warning against fire, they do not guarantee warning
or protection against fire. A fire alarm system may not provide timely or adequate warning, or
simply may not function, for a variety of reasons. For example:
•Particles of combustion or smoke from a developing fire may not reach the sensing
chambers of smoke detectors because:
Barriers such as closed or partially closed doors, walls, or chimneys may inhibit particle or
smoke flow.
Smoke particles may become cold, stratify, and not reach the ceiling or upper walls where
detectors are located.
Smoke particles may be blown away from detectors by air outlets
Smoke particles may be drawn into air returns before reaching the detector.
In general, smoke detectors on one level of a structure cannot be expected to sense fires
developing on another level.
•The amount of smoke present may be insufficient to alarm smoke detectors. Smoke
detectors are designed to alarm at various levels of smoke density. If such density levels
are not created by a developing fire at the location of detectors, the detectors will not go
into alarm.
•Smoke detectors, even when working properly, have sensing limitations. Detectors that
have photo electronic sensing chambers tend to detect smoldering fires better than flaming
fires, which have little visible smoke. Detectors that have ionizing-type sensing chambers
tend to detect fast flaming fires better than smoldering fires. Because fires develop in
different ways and are often unpredictable in their growth, neither type of detector is
necessarily best and a given type of detector may not provide adequate warning of a fire.
•Smoke detectors are subject to false alarms and nuisance alarms and may have been
disconnected by users. For example, a smoke detector located in or near a kitchen may go
into nuisance alarm during normal operation of kitchen appliances. In addition, dusty or
steamy environments may cause a smoke detector to falsely alarm. If the location of a
smoke detector causes an abundance of false alarms or nuisance alarms, do not disconnect
the smoke detector; call a professional to analyze the situation and recommend a solution.
•Smoke detectors cannot be expected to provide adequate warning of fires caused by arson,
children playing with matches (especially within bedrooms), smoking in bed, violent
explosions (caused by escaping gas, improper storage of flammable materials, etc.).
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Model MS-25 Installation and Operation Manual
•Heat detectors do not sense particles of combustion and are designed to alarm only when
heat on their sensors increases at a predetermined rate or reaches a predetermined level.
Heat detectors are designed to protect property, not life.
•Warning devices (including horns, sirens, and bells) may not alert people or wake up
sleepers who are located on the other side of closed or partially open doors. A warning
device that activates on a different floor or level of a dwelling or structure is less likely to
awaken or alert people. Even persons who are awake may not notice the warning if the
alarm is muffled by noise from a stereo, radio, air conditioner or other appliance, or by
passing traffic. Audible warning devices may not alert the hearing-impaired (strobes or
other devices should be provided to warn these people). Any warning device may fail to
alert people with a disability, deep sleepers, people who have recently used alcohol or
drugs, or people on medication or sleeping pills.
Please note that:
i)Strobes can, under certain circumstances, cause seizures in people with conditions
such as epilepsy.
ii) Studies have shown that certain people, even when they hear a fire alarm signal, do not
respond or comprehend the meaning of the signal. It is the property owner’s responsibility to conduct fire drills and other training exercises to make people aware of fire
alarm signals and instruct on the proper reaction to alarm signals.
iii) In rare instances, the sounding of a warning device can cause temporary or permanent
hearing loss.
•Telephone lines needed to transmit alarm signals from a premises to a central station may
be out of service or temporarily out of service. For added protection against telephone line
failure, backup radio transmission systems are recommended.
•System components, though designed to last many years, can fail at any time. As a
precautionary measure, it is recommended that smoke detectors be checked, maintained,
and replaced per manufacturer’s recommendations.
•System components will not work without electrical power. If system batteries are not
serviced or replaced regularly , they may not provide battery backup when AC power fails.
•Environments with high air velocity or that are dusty or dirty require more frequent
maintenance.
In general, fire alarm systems and devices will not work without power and will not function
properly unless they are maintained and tested regularly.
While installing a fire alarm system may make the owner eligible for a lower insurance rate,
an alarm system is not a substitute for insurance.
Property owners should continue to act
prudently in protecting the premises and the people in their premises and should properly
insure life and property and buy sufficient amounts of liability insurance to meet their needs.
Requirements and recommendations for proper use of fire alarm systems including smoke detectors and other fire alarm devices:
Early fire detection is best achieved by the installation and maintenance of fire detection
equipment in all rooms and areas of the house or building in accordance with the requirements
1-453688
Introduction
and recommendations of the current edition of the National Fire Protection Association
Standard 72, National Fire Alarm Code (NFPA 72), the manufacturer’ s recommendations,
State and local codes and the recommendations contained in Guide for the Proper Use of
System Smoke Detectors, which is made available at no charge to all installing dealers. For
specific requirements, check with the local Authority Having Jurisdiction (ex. Fire Chief) for
fire protection systems.
Requirements and Recommendations include:
•Smoke Detectors shall be installed in sleeping rooms in new construction and it is
recommended that they shall also be installed in sleeping rooms in existing construction.
•It is recommended that more than one smoke detector shall be installed in a hallway if it is
more than 30 feet long.
•It is recommended that there shall never be less then two smoke detectors per apartment or
residence.
•It is recommended that smoke detectors be located in any room where an alarm control is
located, or in any room where alarm control connections to an AC source or phone lines
are made. If detectors are not so located, a fire within the room could prevent the control
from reporting a fire.
•All fire alarm systems require notification devices, including sirens, bells, horns, and/or
strobes. In residential applications, each automatic alarm initiating device when activated
shall cause the operation of an alarm notification device that shall be clearly audible in all
bedrooms over ambient or background noise levels (at least 15dB above noise) with all
intervening doors closed.
•It is recommended that a smoke detector with an integral sounder (smoke alarm) be
located in every bedroom and an additional notification device be located on each level of
a residence.
•To keep your fire alarm system in excellent working order, ongoing maintenance is
required per the manufacturer’s recommendations and UL and NFPA standards. At a
minimum the requirements of Chapter 14 of NFPA 72, 2010 Edition shall be followed. A
maintenance agreement should be arranged through the local manufacturer’s
representative. Maintenance should be performed annually by authorized personnel only.
The most common cause of an alarm system not functioning when a fire occurs is inadequate
maintenance. As such, the alarm system should be tested weekly to make sure all sensors and
transmitters are working properly.
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Model MS-25 Installation and Operation Manual
1-653688
Section 2
Agency Listings, Approvals, and Requirements
Install and maintain in accordance with NFPA 72. Detector spacing shall be in accordance to
NFPA 72. End-of -line relays and resistors shall be placed within the electrical box located
and the end of the initiating circuit. Testing and maintenance should be performed according
to NFPA 72.
2.1Federal Communications Commission (FCC)
The following information must be provided to the telephone company before the MS-25 can
be connected to the phone lines:
AManufacturer:Honeywell International Inc.
BModel Number:MS-25
CFCC registration number:US: AC6AL05B205600
Ringer equivalence:0.5B
DType of jack:RJ31X
EFacility Interface Codes:Loop Start: 02LS2
Ground Start: 02GS2
FService Order Code:9.0F
1. This device may not be directly connected to coin telephone or party line services.
2. This device cannot be adjusted or repaired in the field. In case of trouble with the device,
notify the installing company or return to:
Fire-Lite Alarms
1 Firelite Place
Northford, CT 06472-1653
203-484-7161
3. If the MS-25 causes harm to the telephone network, the telephone company will notify the
user in advance that temporary discontinuance of service may be required. If advance
notice is not practical, the telephone company will notify the user as soon as possible.
Users have the right to file complaints, if necessary, with the Federal Communications
Commission.
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Model MS-25 Installation and Operation Manual
4. The telephone company may make changes in its facilities, equipment, operations, or procedures that could affect the operation of the equipment. If this happens, the telephone
company will provide advance notice to allow you to make the necessary modifications to
maintain uninterrupted service.
Warning
This device has been verified to comply with FCC Rules Part 15. Operation is subject to the following conditions:
(1) This device may not cause radio interference, and (2) This device must accept any interference received,
including interference that may cause undesired operation.
a) This equipment complies with Part 68 of the FCC rules and the requirements adopted by
the ACTA. On the wiring diagram of this equipment is a label that contains, among other
information, a product identifier in the format US: AC6AL05B-205600. If requested, this
number must be provided to the telephone company.
b) See Section 4.8 for phone jack information.
c) A plug and jack used to connect this equipment to the premises wiring and telephone
network must comply with the applicable FCC Part 68 rules and requirements adopted by
the ACTA. A compliant telephone cord and modular plug is provided with this product. It
is designed to be connected to a compatible modular jack that is also compliant. See
installation instructions for details.
d) The REN is used to determine the number of devices that may be connected to a telephone
line. Excessive RENs on a telephone line may result in the devices not ringing in response
to an incoming call. In most but not all areas, the sum of RENs should not exceed five
(5.0). To be certain of the number of devices that may be connected to a line, as
determined by the total RENs, contact the local telephone company. For products
approved after July 23, 2002, the REN for this product is part of the product identifier that
has the format US: AC6AL05B-205600. The digits represented by ## are the REN
without a decimal point (e.g., 03 is a REN of 0.3). For earlier products, the REN is
separately shown on the label.
e) If this equipment MS-25 causes harm to the telephone network, the telephone company
will notify you in advance that temporary discontinuance of service may be required. But
if advance notice isn't practical, the telephone company will notify the customer as soon as
possible. Also, you will be advised of your right to file a complaint with the FCC if you
believe it is necessary.
f) The telephone company may make changes in its facilities, equipment, operations or
procedures that could affect the operation of the equipment. If this happens the telephone
company will provide advance notice in order for you to make necessary modifications to
maintain uninterrupted service.
g) If trouble is experienced with this equipment MS-25, for repair or warranty information,
please contact FireLite. If the equipment is causing harm to the telephone network, the
telephone company may request that you disconnect the equipment until the problem is
resolved.
h) See warranty in back of this manual for repair and replacement information.
i)Connection to party line service is subject to state tariffs. Contact the state public utility
2-253688
Agency Listings, Approvals, and Requirements
commission, public service commission or corporation commission for information.
j)If your home has specially wired alarm equipment connected to the telephone line, ensure
the installation of this MS-25 does not disable your alarm equipment. If you have
questions about what will disable alarm equipment, consult your telephone company or
qualified installer.
Electrical Safety Advisory:
Parties responsible for equipment requiring AC power should consider including an advisory
notice in their customer information suggesting the customer use a surge arrestor. Telephone
companies report that electrical surges, typically lightning transients, are very destructive to
customer terminal equipment connected to AC power sources. This has been identified as a
major nationwide problem.
2.2Underwriters Laboratories (UL)
2.2.1Requirements for All Installations
General requirements are described in this section. When installing an individual device, refer
to the specific section of the manual for additional requirements. The following subsections
list specific requirements for each type of installation (for example, Central Station Fire
Alarm systems, Local Protected Fire Alarm systems, and so on).
1. All field wiring must be installed in accordance with NFPA 70 National Electric Code.
2. Use ONLY the addressable smoke detectors specified in Section 5.1 of this manual.
3. Use UL listed notification appliances compatible with the MS-25, choose from those specified in the Appendix at the back of this manual.
4. A full system checkout must be performed any time the panel is programmed.
Restricted Options:
•The loss of AC signal is defaulted to 3 hours however the system allows settings from 0 30 hours. For UL certified installations this number must be set from 1 to 3 hours.
•The system allows the Alarm Verification time to be set from 1 to 255 seconds. For UL
certified installations the setting must be a maximum of 60 seconds.
•Call forwarding shall not be used.
•Waterflow and Supervisory have to be set to Latching as shown in the restricted options
table in Section 6. See Table 6-1:.
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Model MS-25 Installation and Operation Manual
2.2.2Requirements for Central Station Fire Alarm
Systems
1. Use both phone lines. Enable phone line monitors for both lines.
2. You must program a phone number and a test time so that the MS-25 sends an automatic
daily test to the central station.
3. The AC Loss Hours option must be set from 1-3 hours.
2.2.3Requirements for Local Protected Fire Alarm
Systems
At least one UL listed supervised notification appliance must be used.
2.2.4Requirements for Remote Station Protected Fire
Alarm Systems
1. Do not exceed the current load restrictions shown in Section 3.6.
2. The AC Loss Hours option must be set from 1-3 hours.
2.3ULC Requirements
Install in accordance with the Canadian Electrical Code, C22.1, Part 1, Section 32.
2-453688
Section 3
Before You Begin Installing
This section of the manual is intended to help you plan your tasks to facilitate a smooth
installation. Please read this section thoroughly , especially if you are installing a MS-25 panel
for the first time.
3.1What’s in the Box?
The MS-25 ships with the following hardware:
•A cabinet with all hardware assembled
•Two keys for the front door
•Installation and Operation manual P/N 53688
•Ten 4.7K ohm end-of-line resistors
•A battery cable for batteries wired in series
3.2Environmental Specifications
It is important to protect the MS-25 control panel from water. To prevent water damage, the
following conditions should be AVOIDED when installing the units:
•Intended for indoor use in dry locations only
•Do not mount directly on exterior walls, especially masonry walls (condensation)
•Do not mount directly on exterior walls below grade (condensation)
•Protect from plumbing leaks
•Protect from splash caused by sprinkler system inspection ports
•Do not mount in areas with humidity-generating equipment (such as dryers, production
machinery)
When selecting a location to mount the MS-25 control panel, the unit should be mounted
where it will NOT be exposed to temperatures outside the range of 0°C-49°C (32°F-120°F) or
humidity outside the range of 10%-93% at 30°C (86°F) noncondensing.
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Model MS-25 Installation and Operation Manual
3.3Electrical Specifications
T able 3-1 list the electrical specifications for the MS-25 field wiring as well as a description of
the each individual terminal and their respective electrical rating. For location of the terminals
refer to 3.5. See also Section 4 for installation.
*Regulated for NAC circuits
*Special application when used for auxiliary power circuits.
3-253688
Before You Begin Installing
1/4” spacing must
be maintained
between power
limited and Nonpower limited
wiring
3.4Wiring Specifications
Induced noise (transfer of electrical energy from one wire to another) can interfere with
telephone communication or cause false alarms. To avoid induced noise, follow these
guidelines:
•Isolate input wiring from high current output and power wiring. Do not pull one multiconductor cable for the entire panel. Instead, separate the wiring as follows:
High voltageAC power Terminals
SLC loopsPhone line circuits
Notification circuitsNAC1 through NAC2
Relay circuitsSBUS Wiring
•Do not pull wires from different groups through the same conduit. If you must run them
together, do so for as short a distance as possible or use shielded cable. Connect the shield
to earth ground at the panel. You must route high and low voltages separately.
•Route the wiring around the inside perimeter of the cabinet. It should not cross the circuit
board where it could induce noise into the sensitive microelectronics or pick up unwanted
RF noise from the high speed circuits. See Figure 3-1 for an example.
•High frequency noise, such as that produced by the inductive reactance of a speaker or
bell, can also be reduced by running the wire through ferrite shield beads or by wrapping it
around a ferrite toroid.
Figure 3-1 Wire Routing Example
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Model MS-25 Installation and Operation Manual
Form C
Trouble Relay
On-board
Annunciator
BatteryConnector
AC PowerInput
Form C
Programmable
Relays
AC Power Input
Battery
Connector
24VDC
Ethernet
Programming Port
Mounting
screw
Location
mounting
pin
Mounting screws
Slide-In Stand-offs
SBUS
SLC Out
NAC/AUX
Power
Circuits
Phone Lines
3.5Board Assembly Diagram
Figure 3-2 Model MS-25 Assembly
Figure 3-2 shows the MS-25 circuit board stack. If you should need to remove the control
board for repair, remove the three mounting screws which hold the control board in the
cabinet, slide out of slot from slide-in standoff. Then lift the control board off the location
mounting pin and out of the cabinet.
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Before You Begin Installing
3.6Calculating Current Draw and Standby Battery
This section is for helping you determine the current draw and standby battery requirements
(Table 3-2).
3.6.1Worksheet Requirements
The following steps must be taken when determining MS-25 current draw and standby battery
requirements.
1. For the MS-25, the worst case current draw is listed for the panel and all addressable
devices. Fill in the number of addressable devices that will be used in the system and compute the current draw requirements for alarm and standby. Record this information in the
Current Calculation Worksheet at Line A.
2. Add up the current draw for all auxiliary devices and record in the table at Line B.
3. Add up all notification appliance loads and record in the table at Line C.
4. For notification appliance circuits and auxiliary devices not mentioned in the manual,
refer to the device manual for the current ratings.
5. Make sure that the total alarm current you calculated, including current for the panel itself,
does not exceed 2.0 A. This is the maximum alarm current for the MS-25 control panel.
If the current is above 2.0 A you will need to use a notification power expander(s) such as
the Fire-Lite FCPS-24FS6 (8) power supply to distribute the power loads so that the MS25 or the power expanders do not exceed their power rating.
6. Complete the remaining instructions in the Current Calculation Worksheet for determining
battery size requirements.
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Model MS-25 Installation and Operation Manual
3.6.1.1Current Draw Worksheet for MS-25 UL 864
Use Table 3-2 to determine amp-hour requirements during alarm/battery standby operation.
(Copy the page if additional space is required.) You can install up to 25 SLC devices and two
ANN-80 Remote Annunciator.
Table 3-2: Current Calculation Worksheet for SLC Devices
Device# of DevicesCurrent per Device
For each device use this formula: This column X This column = Current per number of devices.
Fire Panel (Current draw from
Auxiliary DevicesRefer to devices manual for current rating.
BAuxiliary Devices Current
Notification Appliance CircuitsRefer to device manual for current rating.
CNotification Appliances Current
DTotal current ratings of all devices in system (line A + line B + C)mAmA
ETotal current ratings converted to amperes (line D x .001):AA
FNumber of standby hours (24 or 60 for NFPA 72, chapter 1, 1-5.2.5):H
GMultiply lines E and F.Total standby AHAH
Table 3-2: Current Calculation Worksheet for SLC Devices
Device# of DevicesCurrent per Device
HAlarm sounding period in hours. (For example, 5 minutes = .0833 hours)
IMultiply lines E and H.Total alarm AH
J
Add lines G and I.
1. Use next size battery with capacity greater than required.
1
Total ampere hours
required
Standby
Current
Alarm
Current
H
AH
AH
536883-7
Model MS-25 Installation and Operation Manual
3.6.1.2Current Draw Worksheet for MS-25C ULC
Use to determine amp-hour requirements during alarm/battery standby operation. (Copy the
page if additional space is required.) You can install up to 25 SLC devices and two ANN-80C
Remote Annunciator. The maximum battery size for ULC installations is 18 Amp/hr.
Table 3-3: Current Calculation Worksheet for Devices for ULC
Device# of DevicesCurrent per Device
For each device use this formula: This column X This column = Current per number of devices.
Fire Panel (Current draw from
battery)
Accessory Modules
ANN-80C Remote Annunicator
Addressable SLC Detectors
HFS-PA
HFS-PTAmAmA
HFS-DAmAmA
HFS-TAmAmA
SD355AmAmA
SD355TAmAmA
D355PLAmAmA
H355AmAmA
Addressable SLC Modules
HFS-MMA
BG-12LXStandby/Alarm 0.375 mA
HFS-MRAStandby/Alarm 0.255mAmAmA
MMF-301AStandby/Alarm 0.375 mA
CRF-300AStandby/Alarm 0.375 mA
I300A10 maxStandby/Alarm 0.45 mAmAmA
ATotal System Current
Auxiliary DevicesRefer to devices manual for current rating.
BAuxiliary Devices Current
Notification Appliance CircuitsRefer to device manual for current rating.
CNotification Appliances Current
DTotal current ratings of all devices in system (line A + line B + C)mAmA
ETotal current ratings converted to amperes (line D x .001):AA
FNumber of standby hours (24 or 60 for NFPA 72, chapter 1, 1-5.2.5):H
GMultiply lines E and F.Total standby AHAH
HAlarm sounding period in hours. (For example, 5 minutes = .0833 hours)H
Table 3-3: Current Calculation Worksheet for Devices for ULC
Device# of DevicesCurrent per Device
IMultiply lines E and H.Total alarm AH
J
Add lines G and I.
1. Use next size battery with capacity greater than required.
1
Total ampere hours
required
Standby
Current
Alarm
Current
AH
AH
536883-9
Model MS-25 Installation and Operation Manual
3.6.2Maximum Battery Standby Load for UL 864
Table 3-4 shows the standby load calculations for the MS-25 based on 24 hours of standby.
The standby load calculations of line D in the Current Draw Calculation Worksheet must be
less than the number shown in Table 3-4 for the selected battery size, standby hour and alarm
time. The numbers below have a built in 20% derating factor for the battery amp hour
capacity.
Table 3-4: Maximum Battery Standby loads for 24 Hour Standby
Rechargeable
Battery Size
7 AH226 mA213 mA206 mA
12 AH393 mA379 mA372 mA
18 AH593 mA579 mA572 mA
24 AH793 mA779 mA772 mA
33 AH1.09 A1.08 A1.07 A
24 hr Standby,
5 mins. Alarm
24 hr Standby,
15 min alarm
24 hr Standby,
20 min alarm
3.6.3Maximum Battery Standby Load for ULC
Table 3-5 shows the ULC standby load calculations for the MS-25C based on 24 hours of
standby. The standby load calculations of line D in the Current Draw Calculation Worksheet
must be less than the number shown in Table 3-5 for the selected battery size, standby hour
and alarm time. The numbers below have a built in 40% derating factor for the battery amp
hour capacity.
Table 3-5: Maximum Battery Standby loads for ULC 24 Hour Standby
Rechargeable
Battery Size
7 AH226 mA213 mA206 mA
12 AH393 mA379 mA372 mA
18 AH529 mA515 mA508 mA
24 hr Standby,
5 mins. Alarm
24 hr Standby,
15 min alarm
24 hr Standby,
20 min alarm
Warning
Fire-Lite does not support the use of batteries smaller than those listed in Table 3-4. If you use a battery too small
for the installation, the system could overload the battery resulting in the installation having less than the required
24 hours standby power. Use Table 3-2 to calculate the correct battery amperes/hour rating needed for your installation. It is recommended that you replace batteries every five years.
3-1053688
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