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One Fire-Lite Place
Northford, CT 06472
Phone (203) 484-7161
FAX: (203) 484-7118

FIRE•COMMAND•25/50
Voice Evacuation Control Panel

Installation and Operating
Instruction Manual

Document
11/3/98

#50580
Rev.

P/N 50580:D

ECN 98-402

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 this manual is read and understood.
CAUTION - System Reacceptance Test after Software Changes: To ensure
proper system operation, this product must be tested in accordance with NFPA 721993 Chapter 7 after any programming operation or change in site-specific software.
Reacceptance 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 NFPA requirements for operation at 0-49O C/32-120 O F
and at a relative humidity of 85% RH (non-condensing) at 30 O C/86 O F.
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 nominal room temperature of 15-27O C/60-80O
F.
Verify that wire sizes are adequate for all initiating and indicating device loops.
Most devices cannot tolerate more than a 10% I.R. drop from the specified device
voltage.

Fire Alarm System Limitations

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 interferences, 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.
Disconnect AC power and batteries 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, and printed circuit board location.
Do not tighten screw terminals more than 9 in-lbs. Over tightening may damage
threads, resulting in reduced terminal contact pressure and difficulty with screw
terminal removal.
This system contains 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.

While installing a fire alarm system may make lower insurance
rates possible, it is not a substitute for fire insurance!

An automatic fire alarm system - typically made up of smoke detectors, heat
detectors, manual pull stations, audible warning devices, and a fire alarm control
with remote notification capability can provide early warning of a developing fire.
Such a system, however, does not assure protection against property damage or
loss of life resulting from a fire.
Any fire alarm system may fail for a variety of reasons:
Smoke detectors may not sense fire where smoke cannot reach the detectors such
as in chimneys, in walls, or roofs, or on the other side of closed doors. Smoke
detectors also may not sense a fire on another level or floor of a building. A second
floor detector, for example, may not sense a first floor or basement fire. Furthermore, all types of smoke detectors - both ionization and photoelectric types, have
sensing limitations. No type of smoke detector can sense every kind of fire caused
by carelessness and safety hazards like smoking in bed, violent explosions,
escaping gas, improper storage of flammable materials, overloaded electrical
circuits, children playing with matches, or arson.
IMPORTANT! Smoke detectors must be installed in the same room as the
control panel and in rooms used by the system for the connection of alarm
transmission wiring, communications, signaling, and/or power. If detectors are
not so located, a developing fire may damage the alarm system, crippling its
ability to report a fire.

Audible warning devices such as bells may not alert people if these devices are
located on the other side of closed or partly open doors or are located on another
floor of a building.
A fire alarm system will not operate without any electrical power. If AC power fails,
the system will operate from standby batteries only for a specified time.
Rate-of-Rise heat detectors may be subject to reduced sensitivity over time. For
this reason, the rate-of-rise feature of each detector should be tested at least once
per year by a qualified fire protection specialist.
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.

FCC Warning
WARNING: This equipment generates, uses, and can radiate radio frequency
energy and if not installed and used in accordance with the instruction manual, may
cause interference to radio communications. It has been tested and found to comply
with the limits for class A computing device pursuant to Subpart B of Part 15 of FCC
Rules, which is designed to provide reasonable protection against such interference
when operated in a commercial environment. Operation of this equipment in a
residential area is likely to cause interference, in which case the user will be required
to correct the interference at his own expense.

Technical Publishing

Canadian Requirements
This digital apparatus does not exceed the Class A limits for radiation noise
emissions from digital apparatus set out in the Radio Interference Regulations of the
Canadian Department of Communications.
Le present appareil numerique n'emet pas de bruits radioelectriques depassant les
limites applicables aux appareils numeriques de la classe A prescrites dans le
Reglement sur le brouillage radioelectrique edicte par le ministere des Communications du Canada.
Document PRECAULG.PM6 12/31/96

Table of Contents
CHAPTER 1: Product Description .............................................................................................................. 6

1.1: Product Features ..........................................................................................................................................6
FIGURE 1-1: Command Board with Supplied Power Supply Module ...............................................8
FIGURE 1-2: Command Board With Amplifiers................................................................................9
1.2: Specifications ..............................................................................................................................................10
1.3: Controls and Indicators ...............................................................................................................................11
FIGURE 1-3: Controls and Indicators .................................................................................................11
1.4: Circuits ........................................................................................................................................................12
1.5: Components.................................................................................................................................................13
FIGURE 1-4: Main Circuit Board .......................................................................................................13
FIGURE 1-5: Cabinet ..........................................................................................................................13
FIGURE 1-6: Dress Panel....................................................................................................................13
1.6: Optional Modules .......................................................................................................................................13
CHAPTER 2: Field Programming................................................................................................................ 15

FIGURE 2-1: Field Programming DIP Switches.................................................................................15
2.1: S1 DIP Switch Settings ...............................................................................................................................15
TABLE 2-1: Switch Settings for Tones...............................................................................................15
2.2: S5 DIP Switch Settings ...............................................................................................................................16
TABLE 2-2: Switch Settings for Message Repeat...............................................................................16
TABLE 2-3: One 60 Second Message - Amp Selected .......................................................................17
TABLE 2-4: Two 30 Second Messages - Message Selected...............................................................17
2.3: S2 - Record Bypass Switch .........................................................................................................................18
CHAPTER 3: Installation ............................................................................................................................ 19

3.1: Mounting Options .......................................................................................................................................19
FIGURE 3-1: VECP Cabinet ...............................................................................................................19
3.2: Backbox Installation....................................................................................................................................19
FIGURE 3-2: FC-TR Trim Ring..........................................................................................................19
FIGURE 3-3: Cabinet Dimensions & Knockout Locations.................................................................20
FIGURE 3-4: VECP Backbox and Battery Box ..................................................................................21
3.3: Operating Power..........................................................................................................................................22
FIGURE 3-5: Operating Power Connections.......................................................................................22
3.4: Auxiliary DC Power Output Connections...................................................................................................23
FIGURE 3-6: Auxiliary Power Connection.........................................................................................23
3.5: Input Circuits...............................................................................................................................................23
FIGURE 3-7: Command Input Circuits ...............................................................................................23
3.6: Output Circuits ............................................................................................................................................24
FIGURE 3-8: Example 1 - Activating Multiple VECPs with Master CMD Output Bus ....................24
FIGURE 3-9: Example 2 - Activating MR-101C (or MR-201C) with Master CMD Output Bus ......24
FIGURE 3-10: Trouble Relay..............................................................................................................25
FIGURE 3-11: AC Power Loss Relay .................................................................................................25
FIGURE 3-12: Speaker Circuit Connections.......................................................................................25
3.7: UL Power-limited Wiring Requirements ....................................................................................................26
FIGURE 3-13: Typical Wiring Diagram for UL Power-limited Requirements ..................................26
3.8: Installation of Option Modules ...................................................................................................................27
3.8.1: Audio Amplifier Module (FC-AAM25) ...........................................................................................27
FIGURE 3-14: Installation of Optional Audio Amplifier....................................................................27
3.8.2: 70.7 VRMS Transformer Module (FC-XRM70) .................................................................................28
FIGURE 3-15: 70.7 VRMS Transformer Module Installation ...............................................................28
3.8.3: Power Supply/Battery Charger Module FC-PSM(E)........................................................................29
FIGURE 3-16: Installation of FC-PSM(E) Power Supply/Battery Charger Module ..........................29
3.8.4: Transformer Installation....................................................................................................................30
Document 50580

Rev. D

11/3/98

P/N: 50580:D

Table of Contents

FIGURE 3-17: Installation of Power Supply Transformer ..................................................................30
3.8.5: Local Playback Speaker Module (FC-LPS) ......................................................................................31
FIGURE 3-18: Installation of Speaker Module ...................................................................................31
CHAPTER 4: Operating Instructions ...........................................................................................................32

4.1: Switches.......................................................................................................................................................32
4.1.1: Manual Evacuate/Message Override.................................................................................................32
FIGURE 4-1: Front Panel ....................................................................................................................32
4.1.2: REC - Record Push Button................................................................................................................32
4.1.3: Playback Button ................................................................................................................................34
4.2: LED Indicators ............................................................................................................................................35
4.2.1: LEDs Visible with Backbox Door Closed (Refer to Figure 4-1 on page 32)....................................35
4.2.2: LEDs Visible with Door Open and Optional Dress Panel Removed (Figure 1-1 & Figure 1-2) ......35
4.3: Operation .....................................................................................................................................................35
4.3.1: Fire Alarm .........................................................................................................................................36
4.3.2: Fire Alarm Restoral...........................................................................................................................36
4.3.3: Manual Evacuation Switch Activation ..............................................................................................36
4.3.4: Manual Evacuation Switch Restoral .................................................................................................36
4.3.5: Message Override Switch..................................................................................................................37
4.3.6: Trouble Condition Response .............................................................................................................37
4.3.7: Trouble Condition Restoral ...............................................................................................................38
CHAPTER 5: Application Examples ............................................................................................................40

5.1: One Speaker Circuit ....................................................................................................................................40
FIGURE 5-1: One 25 Watt Speaker Circuit ........................................................................................40
5.2: One Speaker Circuit With Backup ..............................................................................................................41
FIGURE 5-2: One 25 Watt Speaker Circuit With Backup ..................................................................41
5.3: Two Speaker Circuits - One 60 Second Message On Both Amps...............................................................42
FIGURE 5-3: Two Speaker Circuits - One 60 Second Message On Both Amps ................................42
5.4: Two Speaker Circuits - Two 30 Sec. Messages (Fire and Nonfire).............................................................43
FIGURE 5-4: Two Speaker Circuits - Two Messages.........................................................................43
5.5: Two Speaker Circuits - One or Two Messages (CMD1 and CMD2 Amp Selection) .................................44
FIGURE 5-5: Two Speaker Circuits - One of Two Messages.............................................................44
Appendix A: Battery Calculations ............................................................................................................45
TABLE A-1: Battery Calculations ......................................................................................................45
TABLE A-2: Regulated Load in Standby ...........................................................................................45
TABLE A-3: Regulated Load in Alarm ..............................................................................................46
Appendix B: Digital Voice Messages .......................................................................................................47
Appendix C: FCPS-24F(E) Connections ..................................................................................................48
FIGURE C-1: FCPS-24F(E) Connections to FIRE•COMMAND•25/50 ...........................................48
Appendix D: Addressable Module Connections .......................................................................................49
FIGURE D-1: Addressable Module Connections ...............................................................................49
Appendix E: Wiring Requirements ..........................................................................................................50
TABLE E-1: FIRE•COMMAND•25/50 Wiring Requirements ..........................................................50

Document #50580

Rev. D

11/3/98

P/N: 50580:D

This control panel has been designed to comply with standards set forth by the following regulatory agencies:
• Underwriters Laboratories Standard UL 864
• NFPA 72 National Fire Alarm Code
• CAN/ULC - S527-M87 Standard for Control Units for Fire Alarm Systems

Before proceeding, the installer should be familiar with the following documents.

NFPA Standards
This Fire Alarm Control Panel complies with the following NFPA Standards:
NFPA 72 National Fire Alarm Code
Note: Audible signal appliances used in public mode applications, are required to have minimum
sound levels of 75 dBA at 10 feet (3 meters) and a maximum level of 120 dBA at the minimum hearing distance from the audible appliance.
To ensure that the appliance is clearly heard, the audible appliance sound level must be at least 15 dBA
above the average ambient sound level or 5 dBA above the maximum sound level with a duration of at
least 60 seconds, depending on which level is greater, with the sound level being measured 5 feet (1.5
meters) above the floor.
Underwriters Laboratories Documents:
UL 38 Manually Actuated Signaling Boxes
UL 217 Smoke Detectors, Single and Multiple Station
UL 228 Door Closers–Holders for Fire Protective Signaling Systems
UL 268 Smoke Detectors for Fire Protective Signaling Systems
UL 268A Smoke Detectors for Duct Applications
UL 346 Waterflow Indicators for Fire Protective Signaling Systems
UL 464 Audible Signaling Appliances
UL 521 Heat Detectors for Fire Protective Signaling Systems
UL 864 Standard for Control Units for Fire Protective Signaling Systems
UL 1481 Power Supplies for Fire Protective Signaling Systems
UL 1638 Visual Signaling Appliances
UL 1711 Amplifiers for Fire Protective Signaling Systems
UL 1971 Signaling Devices for Hearing Impaired
CAN/ULC - S524-M91 Standard for Installation of Fire Alarm Systems
Other:
NEC Article 250 Grounding
NEC Article 300 Wiring Methods
NEC Article 760 Fire Protective Signaling Systems
Applicable Local and State Building Codes
Requirements of the Local Authority Having Jurisdiction (LAHJ)
Fire•Lite Documents
Fire•Lite Device Compatibility Document

Document #15384

FCPS-24F(E) Field Charger/Power Supply

Document #50079

MS-9200 Technical Manual

Document #15668

MS-9200E Export Technical Manual

Document #50428

Document #50580

Rev. D

11/3/98

P/N 50580:D

Product Description

CHAPTER 1

Product Description

The FIRE•COMMAND•25/50 Voice Evacuation Control Panel (VECP) is a single-channel, 25 watt, 25 VRMS, emergency voice evacuation panel. The panel includes dual field programmable message capability (up to 60 seconds)
and an integral microphone. The base configuration requires that 24 VDC regulated power be provided to the
FIRE•COMMAND•25/50 for operational power. A separate custom power supply module with battery charger is
available and may be installed as an option to provide the 24 VDC regulated power. An optional second 25 watt
amplifier is also available for backup purposes or to provide an additional channel of 25 watts. Optional 70 VRMS
conversion modules are also available for installations where 70 VRMS speakers are to be installed or already exist.
The modular design allows for ease-of-serviceability.
Two Command Input Circuits can be independently field programmed for activation by an FACP Notification Appliance Circuit reverse polarity or by closure of a supervised normally open contact. Terminals are provided for NAC
input and output to allow installation of the FIRE•COMMAND•25/50 anywhere along the NAC circuit being used to
activate it. Options via the Command Inputs allow one 60 second message over both amplifiers simultaneously or by
selecting amplifiers individually, two 30 second messages may be selected.
Significant technological enhancements set the FIRE•COMMAND•25/50 apart from other voice panels. These
enhancements include full supervision in both active (alarm or music) and standby conditions. Supervision is provided for:
✓

amplifier outputs

✓

field wiring (shorts and opens)

✓

message generator

✓

all tone generators

✓

microphone

If the message generator fails, the system automatically reverts to the primary tone generator. If the primary tone
generator fails, one of three backups become enabled.
Power is fed independently to each amplifier so that a short circuit in one amplifier will not shut down the other. Full
output power of 25 watts per amplifier is generated while in a low battery condition. Power is not diminished when
the 70 VRMS option is installed. Audio is amplified from modern integrated circuits as opposed to transformer technology. This provides for very low signal distortion for crystal clear audio.
Primary applications for the FIRE•COMMAND•25/50 include nonhigh-rise structures such as restaurants, schools,
auditoriums, places of worship, buildings with occupancies over 50, etc. The FIRE•COMMAND•25/50 is designed
to interface directly to addressable or conventional fire alarm control panels or act as a complete stand-alone unit.

1.1

Product Features

• 25 watts (25 VRMS) audio power (expandable to 50 watts)
• Modular design for maximum system flexibility
• Unobstructed module access and removable terminal blocks for ease of servicing and module replacement
• Designed to allow easy system expansion
• Dual Command Input circuits field selectable to be activated from 12 or 24 VDC Notification Appliance
Circuits (reverse polarity) or contact closures
• Single Style Y or Z speaker circuit (expandable to two with optional 25 watt expander amplifier)
• Integral supervised microphone
6

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Product Features

• Integral digital message repeater with 'primary' and 'secondary' dual-message capability
• Standard, prerecorded message:
“May I have your attention please. May I have your attention please. The signal you have just heard
indicates a report of a fire in this building. Please proceed to the nearest exit and leave the building.
Do not reenter the building unless directed to do so by the proper authorities.”
• Field-selectable message capability and custom message field recording capability using local microphone or
compatible audio input jack
• Two 30 second or one 60 second custom message
• Integral tone generators field selectable for steady, slow-whoop, high-low or chime tones
• Multiple Master configurations allow higher wattage capability
• Powered by:
✓

optional internal power supply and battery charger (up to 17 AH) module FC-PSM(E)

✓

host FACP

✓

external UL listed power supply such as the Fire•Lite FCPS-24F(E)

• Optional 70.7 VRMS conversion module available for each amplifier
• Piezo sounder for local trouble
• Independent Form-C trouble relay
• 35 mA auxiliary power output for addressable control modules (when interfaced with the Fire•Lite
MS-9200(E) FACP or equivalent) and End-of-Line power supervision relays
• Integral Dress Panel
• Optional local playback speaker and record control functions
• Auxiliary Audio Input for recording custom message from compatible source or playing music over the system with prior approval of Local Authority Having Jurisdiction (LAHJ)
• Manual Evacuate/Message Override two position switch for transmission of stored voice messages or microphone interrupt
• System LEDs (visible with cabinet door closed):
✓

Power ON (green)

✓

System Trouble (yellow)

✓

Alarm (red)

✓

Microphone Trouble (yellow)

✓

Tone Generator Trouble (yellow)

✓

Message Generator Trouble (yellow)

✓

Record (green)

• Other System LEDs (located on modules)
✓

Ground Fault (yellow) - optional FC-PSM(E) Power Supply Module

✓

Battery Trouble (yellow) - optional FC-PSM(E) Power Supply Module

✓

AC On (green) - optional FC-PSM(E) Power Supply Module

✓

Amplifier Supervision (green) - Amplifier Module

✓

Wiring Fault/Amplifier Fail (yellow) - Amplifier Module

Document #50580

Rev. D

11/3/98

P/N 50580:D

Product Features

FIGURE 1-1:Command Board with Supplied Power Supply Module
Output Trigger
(activation by
Manual Evacuate
or CMD Inputs active polarity
shown)

Form-C AC
Loss Relay

Specific
Application
Power 35 mA

+ -

-++-

- +

Amp #1 Input
Trigger by contact closure or
NAC reverse
polarity - alarm
polarity shown
OUT IN

1 2

1 2 3 4

Amp #2 Input
Trigger by contact closure or
NAC reverse
polarity - alarm
polarity shown
OUT IN

Form-C
Trouble
Relay

-++-

1 2 3 4

Supplied
Internal Power
Supply/Battery
Charger
FC-PSM(E)

123

Future Use

Disable
Message
Record

Master
Command
Board

Local
Playback
Speaker
Connector for
Transformer

n/c n/c n/c

+ n/c

MAIN INPUT
POWER

EARTH

HOT

NEUTRAL

2550MNT1.CDR

n/c

Document #50580

Future
use

Rev.D

Local
Microphone
Connector

11/3/98

P/N 50580:D

RCA Jack

Product Features

FIGURE 1-2:Command Board With Amplifiers

CAUTION: Match proper polarity connections to field wiring and
speakers. Polarity shown is in the standby and alarm conditions.

2!2!

) %

! "

#$
% &
' (
&
*+$
%* &

(
)
2550MNT2.CDR

0&
& 3% 3 1

% ,-., /'
#$! *
0* 1

Document #50580

Rev. D

11/3/98

P/N 50580:D

Specifications

1.2

Specifications

Main Input Power - TB3 Terminals 3(-) and 4(+)
Filtered 19.1 - 26.4 VDC, 4.2 amps maximum, supplied by an FACP or remote power supply UL listed for Fire
Protective Signaling Service, such as the FCPS-24F(E). See Appendices for compatibility chart and wiring diagrams. Use battery calculation tables in Appendix A to determine the actual current requirements. Note: W hen
using power from the host FACP or a remote power supply, the FIRE•COMMA ND•25/50 power requirements
must be included in the FACP or remote power supply battery calculations.

CAUTION: W hen optional FC-PSM(E) Power Supply/Battery Charger Module is installed, do not connect external power to Terminals 3 and 4. Terminals must have no wiring connected to them.
TB3 Terminals 1(-) and 2(+)
Future Use - Do not connect to field wiring.
Optional Internal Power Supply/Battery Charger FC-PSM(E) - Plugs into P7 of the main circuit board
AC Power - TB1 of Optional Power Supply/Battery Charger Module
FC-PSM Power Supply/Battery Charger Module: 120 VAC, 60 Hz, 1.0 amp.
FC-PSME Power Supply/Battery Charger Module: 220/240 VAC, 50 Hz, 0.5 amp.
Wire size: minimum #14 AWG with 600 V insulation.
AC Loss Relay - TB2 of Optional FC-PSM(E) Power Supply/Battery Charger Module
Operation: Relay transfers on loss of AC power to the Power Supply/Battery Charger Module for independent
monitoring by DACT.
TB2 AC Loss relay contact rating: 2.0 amps @ 30 VDC (resistive), 0.6 amps @125 VAC (resistive)
Battery (lead acid only) - P2 of Optional FC-PSM(E) Power Supply/Battery Charger Module
Maximum Charging Circuit: Normal Flat Charge - 27.6V @ 0.800 amp
Maximum Charger Capacity: 17 Amp Hour battery. (FIRE•COMMAND•25/50 cabinet holds maximum 7 Amp
Hour Battery. Larger batteries require Fire•Lite #BB-17F or other UL listed battery cabinet).
Command Input Circuits - TB2 Terminals 3(+) & 4(-) and TB5 Terminals 3(+) & 4(-)
CMD1 and CMD2 Command Input Circuits on Terminals 3 and 4. Terminal 1(-) and 2(+) are output terminals
which provide feed through of the NAC circuits to NAC devices downstream.
Power-limited and supervised circuitry
Operation: Both circuits independently field programmable to activate amplifiers on NAC polarity reversal or
contact-closure.
Normal Operating Voltage: 10.5 - 29 VDC (UL tested range: -15%, +10%)
NAC Reverse Polarity Current: 1.6 mA maximum.
Contact Closure Operation Current (requires 4.7K, ¼ watt End-of-Line Resistor P/N 27072): 6.6 mA maximum
Standby Current: n/a
Audio Amplifier Module - Standard Amp plugs into P4 of main circuit board, optional Amp (FC-AAM25)
plugs into P3 of main circuit board
Backup Audio In - TB2, Terminals 1 & 2 (Out Terminals 3 & 4)
Operation: Optional amplifier provides backup to standard amplifier. Switch S1 on the backup amplifier must be
'ON' and jumpers placed from backup amplifier TB2 Terminal 3 to standard amplifier TB2 Terminal 1 and from
backup amplifier TB2 Terminal 4 to standard amplifier TB2 Terminal 2. Refer to Chapter 5 for additional information.

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P/N 50580:D

Controls and Indicators

Speaker Circuit - TB1 Terminals 3(+) & 4(-) Style Y, 5(+) & 6(-) Style Z, 1 & 2 Shield (Standby and Alarm
Polarity Shown)
Power-limited circuitry
Operation: Circuit can be wired Style Y or Style Z
Normal Operating Voltage: 25 VRMS (70.7 VRMS operation possible by plugging optional FC-XRM70 conversion
module into P1 of audio amplifier).
Output Power: 25 watts (20 watts when background music is employed).
Maximum total capacitance for each speaker circuit: 250 uF.
End-of-Line Resistor for Style Y circuit: Model R-20K, ½ watt P/N 75477.
Master CMD Out - TB6 Terminals 1(-) & 2(+)
Provides trigger for additional units. Will drive MR-101C or MR-201C relays (manufactured by Air Products and
Controls) to provide alarm relay contacts.
Supervised and power-limited circuitry
Operation: Output reverses polarity on activation of Manual Evacuate switch or when either CMD1 or CMD2 are
activated (in alarm)
Normal Operating Voltage: 24 VDC regulated, filtered. Reverse Polarity Current: 60 mA maximum.
Standby Voltage: -5 VDC. Short Circuit Current: 0.5 mA. Maximum Line Resistance: 130 ohms.
Specific Application Power - TB4 Terminals 1(-) & 2(+)
Up to 35 mA @ 24 VDC is available for powering control modules and associated End-of-Line power supervision
relays.
Power-limited circuitry. Refer to Appendix D for compatible devices.
Form-C Trouble Relay - TB1
TB1 Form-C relay contact rating: 2.0 amps @ 30 VDC (resistive), 0.6 amps @ 125 VAC (resistive).
External Audio Input
RCA Jack Input (female connector)
Input Impedance: 3K ohms maximum
Input Voltage: 700 mVRMS maximum
Input Current: 1 mA maximum @ 700 mV
Requires a preamplifier output. Mates to an RCA phono 'plug' - 3mm diameter, 10mm length, 9mm shell
diameter.

1.3

Controls and Indicators

FIGURE 1-3:Controls and Indicators

Front Panel Switches:

• Two Position Toggle Switch:
✓

MANUAL EVACUATE - up position (latching)

✓

MESSAGE OVERRIDE (microphone paging) - down
position (momentary)

• MESSAGE PLAYBACK - for reviewing recorded message
(requires optional FC-LPS module).
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Rev. D

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P/N 50580:D

2550DISP.CDR

• TROUBLE SILENCE (REC) - momentary depression silences
the local piezo when system is in trouble condition. Switch is also
used for recording customized messages. See “S1 DIP Switch
Settings” on page 15 and 2.2“S5 DIP Switch Settings” on page 16
for additional information on recording messages.

Circuits

LEDs (visible with panel door closed):
• Power On - green LED
• System Trouble - yellow LED
• Alarm - red LED
• Microphone Trouble - yellow LED
• Tone Generator Trouble - yellow LED
• Message Generator Trouble - yellow LED
• Record LED (REC) - green LED

1.4

Circuits

Input Circuits - CMD1 and CMD2
• The two input circuits are independently field programmable to accept Notification Appliance Circuits or normally open contacts. Terminals are provided to allow feed-through of the NACs, allowing placement of the
VECP anywhere along a Notification Appliance Circuit. A trouble on the VECP will cause relay contacts at
the out terminals of CMD1 to open, causing an NAC circuit trouble at the FACP. Note: The V ECP will not
open the out terminals while in alarm. Monitoring V ECP troubles while in alarm requires use of independent
trouble relay at TB1.
• Programming CMD1 and/or CMD2 for activation on contact closure will allow activation of the amplifiers on
a normally open contact transfer to the closed condition. Contact wiring is supervised for open conditions. A
short will cause amplifier activation (contact closure).
RCA Jack
• RCA Jack provides convenient connection to an audio source such as a tape player for recording a new digital
message. It may also be used for background music if approved by local AHJ.
Output Circuits
• Special Application Power Output, 35 mA @ 24 VDC.
• Optional Power Supply/Battery Charger FC-PSM(E) module provides power for the main circuit board in
standby and alarm at maximum power.
• The optional FC-PSM(E) module also provides a 24 Volt Battery Charger (up to 17 AH batteries) @ 800 mA
maximum.
Notification Appliance Circuit
• One NAC Speaker Circuit Style Y or Style Z with each FC-AAM25 amplifier module.
Relays
• One Form-C Trouble Relay. Contacts are rated 2.0 amps @ 30 VDC (resistive) and 0.6 amps @ 125 VAC
(resistive)
• When optional Power Supply/Battery Charger module is installed, one Form-C AC Loss relay is provided on
the module. Contacts are rated 2.0 amps @ 30 VDC (resistive) and 0.6 amps 125 VAC (resistive).
P1 and P5 Connectors (future use)
Local Speaker
• Connector P2 provides a connection for an optional, removable local speaker P/N: FC-LPS, to be used for
reviewing the digital message without broadcasting over the system speakers. Refer to Figure 3-18, “Installation of Speaker Module,” on page 31. This option module must be installed to take advantage of the Playback
feature. (The FC-LPS must be removed after use).

Document #50580

Rev.D

11/3/98

P/N 50580:D

Components

1.5

Components

FIGURE 1-4:Main Circuit Board

Main Circuit Board

O1
F
F

2 3 4 5 6 7 8

O
F
F

1 2 3 4 5 6 7 8

2550MAST.CDR

The Master Unit main circuit board contains the
system's CPU, tone generators, auxiliary 35 mA
output, DIP switches for field programmable features, digital message recorder/generator, integral microphone input and preamplifier, other
primary components and wiring interface components. One amplifier module is supplied
mounted to the main circuit board. Optional
modules can be plugged in and mounted to the
main circuit board. The main circuit board is
delivered premounted in the cabinet.

Audio Amplifier

Audio Amplifier Module (FC-AAM25)
A single Audio Amplifier Module is installed in the FIRE•COMMAND•25/50. The amplifier provides 25 watts
of power at 25 VRMS. An optional module, P/N: FC-XRM70, converts the 25 VRMS output to 70.7 VRMS. One
fully supervised and power-limited speaker circuit is provided on the amplifier module. The circuit can be wired
for Style Y (Class B) or Style Z (Class A) operation.
LEDs are provided to indicate Amplifier Supervision (green indicates amplifier is functional) and Circuit Trouble
(yellow indicates field wiring fault or amplifier fault). The LEDs are only visible with the panel door open.
Cabinet

FIGURE 1-5:Cabinet

The cabinet is red with an attractive navy blue front overlay. A clear window allows
viewing of status LEDs and location of microphone. The backbox measures 18.5" x
15.5" x 4.25" and provides space for two batteries (up to 7 Amp Hours).

Batteries

2550BKBX

The cabinet provides space for 7 Amp Hour batteries (optional Power Supply/Battery
Charger module installation required). If larger than 7 Amp Hour batteries are to be
installed (17 AH maximum), use the Fire•Lite BB-17F battery box or similar UL listed
battery box. Batteries and BB-17F battery box must be ordered separately.

Dress Panel

FIGURE 1-6:Dress Panel

The Dress Panel is supplied standard with the system. It mounts to the
cabinet with two supplied screws. The Dress Panel protects the user from
high voltages and circuit boards from accidental damage. All system
LEDs are visible with the Dress Panel installed.

DP2550.CDR

1.6

Optional Modules

FC-AAM25 Audio Amplifier Module
An optional second identical audio amplifier can be plugged into connector P3 located in the lower center of the
main circuit board in the FIRE•COMMAND•25/50. This amplifier also provides 25 watts of power at 25 VRMS
and can therefore be used to expand system power to 50 watts (providing dual 25 watt speaker circuits) or it can be
used as a backup amplifier. An option module can also be used to convert the 25 V RMS output to 70.7 VRMS.
Note: For ease of access, all wiring should be connected to the terminals on the main circuit board terminal blocks
TB2, TB4, TB5 and TB6 prior to installing the secondary Audio Amplifier Module.

Document #50580

Rev. D

11/3/98

P/N 50580:D

Optional Modules

FC-XRM70 Transformer Module 70.7 V RMS
This optional module plugs into connector P1 of the Audio Amplifier Module and provides conversion from
25 VRMS to 70.7 VRMS at full rated 25 watts output power.
FC-PSM(E) Power Supply/Battery Charger Module
This optional module plugs into connector P7 located in the lower left corner of the main circuit board thus allowing the VECP to be powered from its own internal power supply. The FC-PSM module is powered by 120 VAC,
60 Hz, 1.0 amp primary power and the FC-PSME module is powered by 220/240 VAC, 50 Hz, 0.5 amp primary
power. An integral battery charger is capable of charging up to 17 Amp Hour batteries. Primary AC power to the
FC-PSM(E) is constantly monitored. Upon loss of AC power or AC brownout, the AC Loss Relay contacts
change state and the AC ON LED extinguishes. A switch option (S1) may be used to select immediate or 6 hour
delay of AC Loss Relay transfer (for independent monitoring by DACT).
FC-LPS Local Playback Speaker
This optional speaker module plugs into connector P2 located in the lower right corner of the VECP main circuit
board. This unit allows reviewing of the digital message locally without broadcasting it over the system speakers.
The optional module must be installed in order to take advantage of the Playback feature. It may be temporarily
used to test recorded messages. A mounting kit is included for this purpose. The FC-LPS cannot be permanently
mounted in the enclosure and must be removed after use.

Document #50580

Rev.D

11/3/98

P/N 50580:D

Field Programming

CHAPTER 2

The FIRE•COMMAND•25/50 VECP can be field programmed using option DIP switches S1 and S5 located in the
upper right side of the main circuit board. It is recommended that tone selection, message repeat cycles and background music options be reviewed and approved by the local AHJ. Refer to the following illustration for details on
DIP switch placement in the ON and OFF positions.
FIGURE 2-1:Field Programming DIP Switches

O
F
F

12345678

O
F
F

4 5

O
F
F

4 5

O
F
F

12345678

2.1

2550SWTC.CDR

OFF

S1 DIP Switch Settings

• Switch 1 - Temporal pattern generated per ANSI S3.41 when Switch 1 is ON and Switches 2 and 3 are OFF
OFF = No temporal pattern - tone generated as selected by Switches 2 and 3 (factory default setting).
ON = Temporal pattern generated on steady tone. Switches 2 and 3 must be in the OFF position.
• Switches 2 and 3 - used to determine what tone will be transmitted over the speakers before and after the message is transmitted as well as the backup tone to be transmitted if the digital voice generator fails.
TABLE 2-1:

Switch Settings for Tones

SWITCH
2

SWITCH
3

TONE TRANSMITTED BEFORE AND
AFTER DIGITAL VOICE MESSAGE

OFF

STEADY

OFF

SLOW WHOOP (factory default)

OFF

Hi-Lo

CHIME

• Switch 4 - used to determine if the tone selected by S1 switches 2 and 3 will be generated before the message
is transmitted:
OFF = No tone before message
ON = Tone before message (factory default setting)

Document #50580

Rev. D

11/3/98

P/N 50580:D

S5 DIP Switch Settings

• Switch 5 - used to determine if the tone selected by S1 switches 2 and 3 will be generated after the message is
transmitted:
OFF = No tone after message
ON = Tone after message (factory default setting)
• Switch 6, 7 and 8 - used to determine the number of times the voice message will repeat.
TABLE 2-2:

Switch Settings for Message Repeat

SWITCH
6

SWITCH
7

SWITCH
8

NUMBER OF TIMES TO REPEAT DIGITAL
VOICE MESSAGE

OFF

Tone only, no voice1

OFF

6 (factory default)

OFF

INFINITE (until FACP NAC or Manual Evacuate
switch is reset)

1. Some jurisdictions require tone evacuate only. This option prevents voice messages from being
generated. Verify with local AHJ if voice message is allowed and the number of times the message may be repeated.

2.2

S5 DIP Switch Settings

• Switch 1 - Future use
• Switch 2 - Provides two distinct functions for message recording and speaker circuit selection as follows:
Message Recordings:
When recording a message to be played back by the Digital Message Generator, Switch 2 is used to
set the number of messages to be recorded:
OFF = one 60 second 'fire' message (factory default setting).
Note: Can also be recorded as one evacuate message in two languages; one language recorded immediately after the first language.
ON = two 30 second messages.
Note: Both messages can be 'fire' related or one may be 'nonfire' related, i.e. 'fire evacuation' and 'fire
clear' messages or 'fire' and 'tornado warning' messages.
Speaker/Message Selection
During panel operation, Switch 2 is also used to determine which speaker circuit(s) will be activated
by Command Input Circuits 1 & 2 and which message will be transmitted. In order for the speaker
circuit select function to operate, be certain to install the second amplifier and do not select the backup
feature.

Document #50580

Rev.D

11/3/98

P/N 50580:D

S5 DIP Switch Settings

Switch 2 OFF (factory default setting) as shown in following Table:
TABLE 2-3:

One 60 Second Message - Amp Selected

CMD1

CMD2

AMP1

AMP2

OFF

FIRE MESSAGE

OFF

FIRE MESSAGE

Command Input #1 (CMD1) activates only speaker circuit #1 and transmits up to a 60 second 'fire'
message
Command Input #2 (CMD2) activates only speaker circuit #2 and transmits up to a 60 second 'fire'
message
Switch 2 ON as shown in following Table:
TABLE 2-4:

Two 30 Second Messages - Message Selected

CMD1

CMD2

AMP1

AMP2

OFF

MESSAGE #2

MESSAGE #1

Command Input #1 (CMD1) activates speaker circuits 1 & 2 and transmits up to a 30 second 'fire'
message over both speaker circuits.
Command Input #2 (CMD2) activates speaker circuits 1 & 2 and transmits up to a 30 second 'nonfire'
or second fire related message over both speaker circuits.
• Switch 3 - controls whether background music can be played over the speakers from the RCA Jack Input.
OFF = Background music disabled (factory default setting)
ON = Background music enabled
Note: The FC-PSM(E) module must be installed and powering the V ECP when background music is enabled.
Not UL approved when powered through TB3 main input power. NFPA 72 requires that speakers used as alarm
notification appliances on fire alarm systems not be used for nonemergency purposes. Consult with the Local
A HJ for authorization to use background music. Only 20 watts of power can be supplied per amplifier if background music is enabled.
• Switch 4 - Future use
• Switch 5 - used to determine what will activate the Command Input #1.
OFF = Activation on NAC polarity reversal (factory default setting)
ON = Activation on contact closure
• Switch 6 - used to determine what will activate the Command Input #2.
OFF = Activation on NAC polarity reversal (factory default setting)
ON = Activation on contact closure
• Switch 7 - used to determine the source being used to record the digital voice message.
OFF = Record from Microphone (factory default setting)
ON = Record from External Audio Input (RCA Jack)

Document #50580

Rev. D

11/3/98

P/N 50580:D

S2 - Record Bypass Switch

• Switch 8 - used to enable recording of digital voice message.
OFF = Recording not permitted, Trouble Silence/Rec key used for trouble silence (factory default)
setting)
ON = Recording permitted, Trouble Silence/Rec key used to record voice message. Switch must be
restored to default setting upon completion of recording.

2.3

S2 - Record Bypass Switch

This switch, when placed in the down position, prevents accidental erasure of stored voice messages. See “Operating
Instructions” on page 32 for additional information.

UP Position = The stored digital voice message may be overwritten with a new one.
2550BYPS.CDR

Down Position = The stored digital voice message can not be overwritten (factory
default setting).

Document #50580

Rev.D

11/3/98

P/N 50580:D

Installation

CHAPTER 3

3.1

Installation

Mounting Options

The cabinet may be surface or semi-flush mounted. Semi-flush mounting
requires use of the FC-TR trim ring illustrated in Figure 3-2. The door is
removable during the installation period 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 located at the bottom.

FIGURE 3-1:VECP Cabinet

Carefully unpack the system and check for shipping damage. Mount the
cabinet in a clean, dry, vibration-free area where extreme temperatures are
not encountered. The area should be readily accessible with sufficient
room to easily install and maintain the panel. Locate the top of the cabinet approximately five feet above the floor with the hinge mounting on
the left. Determine the number of conductors required for the devices to
be installed. Sufficient knockouts are provided for wiring convenience.
Select the appropriate knockout(s) and pull the required conductors into
the box. Note that there are no knockouts on the back of the cabinet. All
wiring should be in accordance with the National and/or Local codes for fire alarm systems.

2550BKBX.CDR

3.2

Backbox Installation

Surface Mounting
✓

Open the door and lift the door off the pin hinges.

✓

Mark and predrill holes for the top two backbox keyhole mounting bolts using the dimensions shown.

✓

Install two upper fasteners in the wall with the screw heads protruding.

✓

Using the upper 'keyholes', mount the backbox over the two screws.

✓

Mark and drill the lower two holes.

✓

Install the remaining fasteners and tighten all fasteners to complete backbox mounting.

Semi-flush Mounting Using Optional FC-TR Trim Ring
✓

Open Trim Ring hardware kit which contains six
(6) screws and six (6) drywall anchors.

✓

Remove VECP cabinet door by sliding door
upward off pin style hinges.

✓

FIGURE 3-2:FC-TR Trim Ring

18 .620 " (4 7.2 95 c m )
17 .120 " (4 3.4 85 c m )
15 .625 " (3 9.6 88 c m )

Place FC-TR trim ring around VECP cabinet
making certain that the hinge cut-outs are on the
left hand or hinged side of the cabinet.

21 .620 “
(5 4.91 5 cm )
18 .625 “
(4 7.30 8 cm )

Making certain that the trim ring is placed
around the VECP cabinet maintaining an equal
distance from all four sides of the cabinet, mark
the centers of all six FC-TR mounting holes.

21 .620 “
(5 4.91 5 cm )

✓

Remove the trim ring and drill the holes where
marked on the wall.

✓

Install the six (6) supplied drywall anchors into
the drilled holes.

✓

Place the FC-TR trim ring around the VECP cabinet and secure in place using the six (6) supplied
screws.
Document #50580

Rev. D

11/3/98

P/N 50580:D

FC-TR.CDR

20 .120 “
(5 1.10 5 cm )

Backbox Installation

Draw wires through the respective knockout locations.
FIGURE 3-3:Cabinet Dimensions & Knockout Locations
Top

Back
of
Box

Left Side

Right Side

Back
of
Box

Hinge

2550ENCL.CDR

Hinge

Bottom

Document #50580

Rev.D

11/3/98

P/N 50580:D

Backbox Installation

FIGURE 3-4:VECP Backbox and Battery Box

D epth = 4.37
(11.1 cm )“

D oor = 15.65" (39.75 cm )
Backbox = 15.5" (39.37 cm )

5.33"
(13.54 cm )

D oor = 18.2" (46.2 cm )
Backbox = 18.5" (47.0 cm )

R ight Side

Left Side
Bottom
18.620" (47.3 cm )

D epth = 4.75"
(12.07 cm )

15.625" (39.688 cm )

18.625“
(47.308 cm )

21.620"
(54.92 cm )

25-50CAB.CDR

Trim R ing

Battery Box=8.5“
(21.6 cm )

Battery Box=14.5“ (36.8 cm )

P/N:FC-TR

BB-17F is required when using the internal FC-PSM(E) Power Supply/Battery Charger and greater than 7 AH
batteries.

Mount the FIRE•COMMAND•25/50 (VECP) cabinet to the wall

Remove knockouts on bottom of VECP cabinet and top of BB-17F.

Using conduit, hang the BB-17F from the VECP cabinet making sure there is at least ½" of clearance between
the two cabinets.

Anchor the BB-17F to the wall.

Document #50580

Rev. D

11/3/98

P/N 50580:D

Operating Power

3.3

Operating Power

CAUTION: Several different sources of power can be connected to this panel. Disconnect all sources of power
before servicing. The panel and associated equipment may be damaged by removing and/or inserting cards, modules
or interconnecting cables while this unit is energized.
Main Input Power - Connections Made Only if Optional FC-PSM(E) Power Supply is Not Installed
The VECP requires filtered 24 VDC nominal power which can be supplied by a UL listed host FACP or a remote
power supply UL listed for Fire Protective Signaling Service, such as the FCPS-24F(E). Refer to Appendices for
wiring information. Supplied power must be from a power-limited source. Run a pair of wires from a regulated
24 VDC output on the host FACP or remote power supply to the VECP's TB3 Terminals 3(-) & 4(+). The jumper
on P7 pins 1 & 2 must remain installed. Be certain to connect a separate solid earth ground to the transformer
mounting stud to ensure proper panel operation and lightning and transient protection. Be certain to include the
FIRE•COMMAND•25/50 power requirements in the FACP or remote power supply battery calculations.
Internal Power Supply/Battery Charger FC-PSM(E)
An optional power supply is available to allow stand-alone capabilities and is required for background music
applications. AC power connections are made to the FC-PSM(E) Internal Power Supply/Battery Charger.
Primary power source is 120 VAC, 60 Hz, 1.0 amp for the FC-PSM Power Supply/Battery Charger module and
220/240 VAC, 50 Hz, 0.5 amps for the FC-PSME Power Supply/Battery Charger module. Run a pair of wires
(with ground conductor) from the protected premises main breaker box to TB1 of the FC-PSM(E). As per
National Electric Code, use 14 AWG (1.6 mm O.D.) or heavier gauge wire with 600V insulation. No other equipment may be connected to this circuit. In addition, this circuit must be provided with overcurrent protection and
may not contain any power disconnect devices. A separate Earth Ground connection must be made to ensure
proper panel operation and lightning and transient protection. Connect the Earth Ground wire (minimum 14
AWG) to one of the transformer mounting studs. Do not use conduit for the Earth Ground connection since this
does not provide reliable protection.

CAUTION: W hen the FC-PSM(E) Power Supply/Battery Charger is installed, there should be no other connections to TB3 of the V ECP.
Secondary Power Source (Batteries) When Power Supply/Battery Charger FC-PSM(E) is Installed

Observe polarity when connecting the battery. Connect the battery cable to P2 on the Internal Power Supply Battery Charger module using the plug-in connector and cable provided. The battery charger is current-limited and
capable of recharging sealed lead acid type batteries (See Figure 3-5 for battery orientation). The charger shuts
off when the system is in alarm. See Appendix A for calculation of the correct battery rating.
CAUTION: Battery contains sulfuric acid which can cause severe burns to the skin and eyes, and can destroy
fabrics. If contact is made with sulfuric acid, immediately flush the skin or eyes with water for 15 minutes and
seek immediate medical attention.
FIGURE 3-5:Operating Power Connections

B lack
Red

24 V D C B atte ry

N e utra l (w h ite )
G rou n d (g ree n )

C o n n ec t E a r th G ro u n d w ire to
tra n s fo r m e r m o u n tin g s tu d

Document #50580

Rev.D

11/3/98

P/N 50580:D

2550POWR.CDR

VA C
H o t (b lack )

Auxiliary DC Power Output Connections

3.4

Auxiliary DC Power Output Connections

The Auxiliary DC power output is power-limited.
FIGURE 3-6:Auxiliary Power Connection

Special Application Power (35 mA @ 24 VDC) is nonresettable
power suitable for powering control modules and End-of Line
Power supervision relays. See Appendix D for compatible devices.

3.5

2550TB4.CDR

Input Circuits

The VECP has two Command Input circuits (CMD1 and CMD2), which are used to activate the panel amplifiers
which, in turn, transmit an audio signal over the system speakers. All field wiring for each circuit is power-limited
and supervised for opens and ground faults.
Each CMD Command Input circuit can be independently field programmed to be triggered by a contact closure or by
the reverse polarity of a Notification Appliance Circuit. CMD input and output terminals are provided to allow placement of the VECP anywhere along a Notification Appliance Circuit allowing nondedicated use of host FACP NAC
for triggering. CMD1 has relay contacts (maximum current 2.0 amps) before the out terminals which will open the
outgoing NAC circuit during a VECP trouble condition. This causes an NAC trouble at the host FACP.
Note that the Command Input Circuit configurations can be independently set so that both circuits are triggered by
the same type of input or by different types of inputs (Refer to Figure 3-7 on page 23).
FIGURE 3-7:Command Input Circuits

Style Z (Class A)

4.7K, 1/4 watt EOL Resistor
P/N: 27072

FACP EOL Resistor (Style Y Class B only)
Polarized Strobe

Polarized Strobe

+ +

Alarm contact,
pull station, etc.

Polarized Strobe

FIRE•COMMAND•25/50 Voice
Evacuation Control Panel

Document #50580

Rev. D

+ +

11/3/98

Contact Closure trigger
2550TB5.CDR

NAC reverse polarity trigger
(alarm polarity shown)

P/N 50580:D

Output Circuits

3.6

Output Circuits

Master Command Output Bus
The Master Command Output is a 24 VDC reverse polarity output (TB6) which can be used to trigger additional
FIRE•COMMAND•25/50 units. The Master Command Output will activate on any alarm condition as triggered
by the Command Inputs CMD1 or CMD2, or when the manual evacuate switch is ON. It will not be active when
the Message Override switch is ON during general paging.
When connecting the Master Command Output of the main panel to the Command Inputs of other
FIRE•COMMAND•25/50 panels or to other devices, the wiring must be supervised by a 4.7K EOL resistor connected across the out terminals of Command Input #1 on the last panel.
In Example 1 illustrated below, the audio output from each unit is not synchronized. Each VECP may generate a
different audio message if desired. Paging must be done at each individual panel's microphone.
FIGURE 3-8:Example 1 - Activating Multiple VECPs with Master CMD Output Bus
(Alarm polarities shown)

4.7K
P/N: 27072

Alarm via CMD1,
CMD2 or Manual
Evacuate Switch

1 2 3 4

1 2

Slave
FIRE•COMMAND 25/50

Master
FIRE•COMMAND 25/50

2550OUT.CDR

Slave
FIRE•COMMAND 25.50

1 2 3 4

The maximum line resistance from the main VECP to the last VECP is 130 ohms (65 ohms per conductor).

FIGURE 3-9:Example 2 - Activating MR-101C (or MR-201C) with Master CMD Output Bus

1 2

Relay Energized LED

Alarm via CMD1, CMD2 or
Manual Evacuate Switch
(alarm polarity)

2550MR10.CDR

SPDT Contacts
10 amps @ 115 VAC

Relays may be used to activate an FACP initiating circuit.
CAUTION! All wiring to relay must be in same
room within 20 feet of FACP and in conduit.

The MR-101C (one Form-C relay) and MR-201C (two Form-C relays), which are manufactured by Air Products and
Controls, include an enclosure.

Document #50580

Rev.D

11/3/98

P/N 50580:D

Output Circuits

Trouble Relay - TB1
The main circuit board provides a Form-C Trouble relay, for independent monitoring, rated for 2.0 amps @ 30
VDC (resistive) and 0.6 amp @ 125 VAC (resistive). This relay is ‘fail safe’, meaning that it is normally
energized. Should system power via FC-PSM(E) or main input power shut off, this relay will deenergize, transferring its contacts.
FIGURE 3-10:Trouble Relay

2550ACRL.CDR

TB1

AC Power Loss Relay - TB2
The optional FC-PSM(E) internal Power Supply/Battery Charger Module provides a Form-C AC Power Loss
relay rated for 2.0 amps @ 30 VDC (resistive) and 0.6 amps @ 125 VAC (resistive).
FIGURE 3-11:AC Power Loss Relay

2550ACRL.CDR

TB2

Notification Appliance Circuit (Speakers)
Each Amplifier Module provides one Notification Appliance Circuit for speakers. The circuit can be wired
Style Y (Class B) or Style Z (Class A). Each supervised and power-limited circuit is capable of 25 watts of power.
The maximum total capacitance for each speaker circuit cannot exceed 250 uF. Refer to the Fire•Lite Device
Compatibility Document for a listing of compatible speakers.

CAUTION: Match proper polarity connections to field wiring and speakers. Polarity shown is in the standby and
alarm conditions.
FIGURE 3-12:Speaker Circuit Connections
Style Z (Class A) Circuit
Model R-20K, 1/2 watt
EOL resistor P/N: 75477
(Style Y - Class B only)

Shield

2550CKT1.CDR

Shielded cable is not required, however, shielded cable will reduce RFI/EMI emissions and susceptibility. For additional information, refer to Appendix E.
Document #50580

Rev. D

11/3/98

P/N 50580:D

UL Power-limited Wiring Requirements

3.7

UL Power-limited Wiring Requirements

Power-limited and nonpower-limited circuit wiring must remain separated in the cabinet. All power-limited circuit
wiring must remain at least 0.25" away from any nonpower-limited circuit wiring. Furthermore, all power-limited
and nonpower-limited circuit wiring must enter and exit the cabinet through different knockouts and/or conduits. A
typical wiring diagram for the FIRE•COMMAND•25/50 is shown below.
FIGURE 3-13:Typical Wiring Diagram for UL Power-limited Requirements

Nonpower-limited
Circuit

Power-limited Circuit

Nonpower-limited
Circuit

2550ULPW.CDR

AC Power

Wiring to TB3 must be from power-limited source and enter/exit the cabinet through the lower left corner. (Wiring
must not be connected to TB3 when the FC-PSM(E) module is being used to power the VECP as shown).
26

Document #50580

Rev.D

11/3/98

P/N 50580:D

Installation of Option Modules

3.8

Installation of Option Modules

3.8.1 Audio Amplifier Module (FC-AAM25)
The optional audio amplifier module is identical to the module provided with the factory standard panel configuration. It can be used to provide a second 25 watt speaker circuit, increasing the total VECP power to 50 watts, or it can
be used as a backup amplifier. LEDs on the amplifier module are for Amp Supervision (green - indicates amp functional) and Circuit Trouble (yellow - indicates wiring fault or amplifier fail). Connector J1 of the audio amplifier
module plugs into connector P3 located at the bottom center of the main circuit board.
Caution: Before installing any modules, make certain all power (AC and DC) has been removed.
1.

For ease of access, all wiring should be connected to the terminals on the main circuit board terminal blocks
TB2, TB4, TB5 and TB6 prior to installing the secondary Audio Amplifier Module.

Remove mounting screw shown, from the main circuit board, and save (refer to illustration below).

Install one supplied metal standoff in location from which mounting screw was removed in Step 2.

Install the Audio Amplifier Module by carefully aligning the amplifier's J1 connector with the P3 connector
on the main circuit board. Press the Module securely into place making certain not to bend or break any connector pins.

Secure the Audio Amplifier Module with the supplied screws plus the screw removed in Step 2. It is important to secure the module with the metal screws in order to help protect against electrical transients.

Configure the Audio Amplifier for primary or backup amplifier operation by setting switch S1 on the
amplifier:
1) Position switch S1 in the DOWN position for primary operation which adds the new amplifier's 25
watts to total system power (50 watts total).
2) Position switch S1 in the UP 'Backup On' position to configure the amplifier as a backup in the
event the primary amplifier fails.

Check to make certain the factory installed jumpers are in place on P1 of the Audio Amplifier Module(s). Do
not remove unless installing the FC-X RM70 Transformer Module. Refer to Figure 3-15 on page 28.

Connect field wiring to newly installed amplifier. Refer to Figure 3-12 on page 25 for illustration of speaker
connections if amplifier is being used to expand system power to 50 watts (i.e. providing dual 25 watt speaker
circuits). Refer to Figure 5-2 on page 41 for illustration of connections if amplifier is being used as a backup.

FIGURE 3-14:Installation of Optional Audio Amplifier

Switch S1 Backup select
(Step 6)

Do not remove jumpers unless
installing FC-XRM70 Module
(Step 7)

Optional Power
Supply/Battery
Charger Module

Factory installed
metal standoff
(Steps 2 & 5)

Circuit
Trouble

FC-AAM25 Audio Amplifier
Module - to connector P3 of the
main circuit board (Steps 4 & 5)

Remove mounting screw and
install supplied Metal Standoff
(Steps 2, 3 & 5)

FC-AAM25 Audio
Amplifier Module - factory supplied on connector P4 of the main
circuit board

Amplifier J1 to main circuit board P3 (Step 4)

Document #50580

2550AMT3.CDR

Amp
Supervision

Factory installed metal standoff (Steps 2 & 5)

Rev. D

11/3/98

P/N 50580:D

Installation of Option Modules

3.8.2 70.7 V RMS Transformer Module (FC-XRM70)
The 70.7 VRMS Transformer Module can be used to convert the 25 VRMS amplifiers for installations where 70.7 VRMS
speakers already exist or are to be installed. Transformer connector J1 connects to amplifier connector P1.

Caution: Before installing any modules, make certain all power (AC and DC) has been removed.
1.

Carefully remove the FC-AAM25 Audio Amplifier Module(s) from the main circuit board. Refer to Figure 314 on page 27 for installation procedures and reverse the steps.

Install the three metal standoffs supplied with the FC-XRM70 Module by inserting the threaded male end of
each standoff into the three holes on the component side of the FC-AAM25 Audio Amplifier Module(s).
Secure each standoff in place with a supplied nut. Refer to Figure 3-15 for the location of the mounting holes.

Reinstall the Audio Amplifier Module(s) following the procedure accompanying Figure 3-14.

Remove the two factory installed jumpers from connector P1 of the Audio Amplifier Module(s). Refer to the
illustration in Figure 3-15.

Carefully align the J1 connector on the FC-XRM70 Transformer Module(s) with the P1 connector on the
Audio Amplifier Module and press securely into place. Make certain the pins are properly aligned to prevent
bending or breaking of pins.

Secure the FC-XRM70 Transformer Module(s) to the Audio Amplifier Module(s) with the supplied screws. It
is important that the supplied metal screws be used in order to help protect against electrical transients.
FIGURE 3-15:70.7 VRMS Transformer Module Installation
FC-AAM25 Audio
Amplifier Module

Insert standoff
(Step 2)

Component side

2550STN3.CDR

Two Factory Installed Jumpers on P1 of Each
Amplifier Module Must be Removed to Install the
70.7 VRMS Transformer (Step 4)

Install Standoff in
Mounting hole
(Step 2)

Install Standoffs in
Mounting holes (Step 2)

2550XFMN.CDR

FC-XRM70
Transformer Module

Secure with
nut (Step 2)

FC-AAM25 Audio
Amplifier Module

Document #50580

Rev.D

11/3/98

P/N 50580:D

Installation of Option Modules

3.8.3 Power Supply/Battery Charger Module FC-PSM(E)
The optional Power Supply/Battery Charger Module can be used to provide stand-alone power to the VECP. The
FC-PSM module is powered by 120 VAC and the FC-PSME module is powered by 220/240 VAC. In addition to supplying operating power, the module is capable of charging 7 AH to 17 AH batteries. LEDs on the module indicate
AC On (green), Battery Trouble (yellow) and Ground Fault (yellow). S1 is the AC Fail Delay switch. When positioned to the right, in the AC Fail Delay position, the panel will delay the deactivation of the AC Power Fail relay for
independent monitoring by a DACT for six hours. Connector J1 of the Power Supply module plugs into connector P7
located in the lower left corner of the main circuit board. Make certain to remove the factory installed jumper from
P7 on the main circuit board before installing the Power Supply Module.
TB2 provides AC power fail relay contacts which transfer on loss of AC power. Batteries can be connected to the P2
connector on the Power Supply Module. Up to 7 AH batteries can be installed in the cabinet. Larger batteries must
be installed in an external UL listed battery cabinet such as the Fire•Lite BB-17F.

Caution: Before installing any modules, make certain all power (AC and DC) has been removed.
1.

Remove the two mounting screws from the top left and bottom left corners of the main circuit board.

Install two supplied short metal standoffs (one threaded male end) by screwing them into the holes vacated in
Step 1.

Install the two supplied long metal standoffs (two threaded female ends) by screwing them onto the threaded
mounting studs in the top and bottom mounting rails in the backbox. The mounting studs are located to the far
left on each rail. Refer to Figure 3-17 Backbox illustration.

Remove the factory installed jumper from connector P7 of the main circuit board. P7 is located on the bottom
left corner of the main circuit board as illustrated in Figure 3-16.

Carefully align connector J1 on the FC-PSM(E) Module with connector P7 on the main circuit board and
press the FC-PSM(E) securely into place being certain not to bend or break any connector pins.

Secure the FC-PSM(E) Module to the standoffs using the two screws removed in Step 1 and two supplied
screws. It is important that the metal screws be used in order to help protect against electrical transients.

Continue with the FC-PSM(E) Transformer installation as described on the following page.

FIGURE 3-16:Installation of FC-PSM(E) Power Supply/Battery Charger Module
Install Metal
Standoff in

Remove
screw and
Install Metal

backbox2,3

Standoff1,2,3

GRND
FAULT

BATT
TRBL

backbox2,3
FC-PSM(E)
Power Supply Module

Module4
Remove screw
and Install Metal

2550PWRM.CDR

Remove factory
installed jumper
before installing
Power Supply

Install Metal
Standoff in

Main Circuit Board

Standoff1,2,3
2Install four metal standoffs by

screwing into place (note two
different lengths)
Remove two mounting screws
from main circuit board

Power Supply
Module

Main
Circuit
Board

Main Circuit Board
Backbox Rails

Install Power Supply Module
and secure with four screws

Main Circuit Board

Backbox Rails
Document #50580

2550STND.CDR

Backbox Rails
Rev. D

11/3/98

P/N 50580:D

Installation of Option Modules

3.8.4 Transformer Installation

Caution: Before installing any modules or cables, make certain all power (AC and DC) has been removed.
1.

Locate two threaded mounting studs in the bottom left corner of the backbox (refer to backbox illustration
below).

Position the XRM-24 (120 VAC) Transformer Assembly or XRM-24E (220/240 VAC) Transformer Assembly, over mounting studs, with cable assembly oriented to the left as illustrated below.

Secure the Transformer to the studs with the two supplied nuts. Do not tighten one of the nuts until the next
step.

Connect a wire from a solid earth ground to one of the Transformer mounting studs and tighten the nut. This
connection is necessary in order to provide proper lightning and transient protection for the panel.

Plug XRM-24(E) Transformer cable assembly into connector P1 which is located in the lower left corner of
the FC-PSM(E) Module. Note that the Transformer cable connector is keyed to prevent incorrect connection.

Complete the installation by connecting the AC power wires to Hot, Neutral and Earth terminals of TB1 on the
FC-PSM(E) Module.

If batteries are being used, connect the batteries (17 AH maximum) to connector P2 located to the left center
of the FC-PSM(E) Module.

Apply power to the panel.

FIGURE 3-17:Installation of Power Supply Transformer
P2 Connector Battery

P1 Connector Transformer

Power Supply Module
AC Terminal TB1
XRM-24(E) Transformer Assembly
2550XMNT.CDR

Earth Ground

Backbox

FC-PSM(E) Mounting Locations

Transformer Mounting Studs
2550BXEN.CDR

Document #50580

Rev.D

11/3/98

P/N 50580:D

Installation of Option Modules

3.8.5 Local Playback Speaker Module (FC-LPS)
The Local Playback Speaker Module can be used to monitor the recorded digital message without transmitting the
message over the system speakers. The speaker module plugs into P2 of the main circuit board. This optional module is necessary to take advantage of the Playback feature.
The Speaker Module is connected by simply plugging the module connector into P2 of the main circuit board. The
Speaker Module may be installed during the test period by using the supplied mounting hardware.
1.

Remove the main circuit board mounting screw located to the right of power terminal block TB3.

Install the supplied metal standoff in the mounting hole just vacated in Step 1 and screw standoff into place.

Position the FC-LPS mounting bracket hole over the standoff and secure with screw removed in Step 1.

Plug the FC-LPS Local Playback Speaker Module's polarized connector into connector P2 on the main circuit
board. P2 is located on the bottom right of the main circuit board near the Control/Indicator panel.

When testing is completed, remove the FC-LPS and standoff and reinstall the screw. The FC-LPS is not
approved for permanent connection.

FIGURE 3-18:Installation of Speaker Module

Install FC-LPS
Speaker Module
on metal

Plug Speaker Module Cable
into connector P24

standoff3
2550SPKR.CDR

Remove mounting screw from main circuit
board and install metal standoff 1,2

1Remove the mounting screw from left

2Install one metal standoff

3Install Speaker Module

center of main circuit board

by screwing into place

and secure with screw

Main Circuit Board

Speaker
Module

2550SPKS.CDR

Document #50580

Rev. D

11/3/98

P/N 50580:D

Operating Instructions

CHAPTER 4

4.1

Operating Instructions

Switches

4.1.1 Manual Evacuate/Message Override

FIGURE 4-1:Front Panel

Manual Evacuate/Message Override is a two position switch used for
manually generating programmed evacuation tones/messages or for
paging. It is visible through the window of the closed backbox door.
The door must be unlocked and opened for access to the switch.
Switch activation will cause the following:
• Placing the switch in the UP or Manual Evacuate latching
position will generate the programmed evacuation tones/messages out of the amplifiers. Returning the switch to the normal position will stop the audio output.

2550DISP.CDR

• Holding the switch in the Down or Message Override non
latching position interrupts the generated audio output from

the amplifiers if the unit is in alarm. This allows use of the
microphone for emergency paging. It is not necessary to hold

the switch down when paging while the system is in the
standby (nonalarm) state. Releasing the switch while in
alarm, returns the VECP to generating audio evacuation tone(s)/messages(s).

4.1.2 REC - Record Push Button
The switch labeled TROUBLE SILENCE is also used for recording a customized message. The switch is not labeled
as ‘record’ to help prevent unauthorized recording.
Recording Instructions
Recording a custom message or messages into the VECP requires that the voice message(s) be input via the
internal microphone or via the RCA Jack.

Select whether a single 60 second message or two 30 second messages will be recorded by setting S5 switch 2
to the OFF position for one 60 second message or to the ON position for two 30 second messages.

Enable recording by setting S5 switch 8 to the ON position. The Trouble Silence key is now ready to be used
in record operation.

Select the record input source by setting S5 switch 7 to the OFF position if recording via the microphone, or to
the ON position if recording via the RCA Jack.

Slide the Record Bypass switch S2 to the UP position to enable the message storage device.

Note the following while recording:
✓

To alert the user that there is only five seconds of record time remaining, the REC LED will change
from steady-on to flashing

✓

The system Trouble LED and Trouble Relay will be on while recording but the Trouble Sounder will
remain off. The system will not respond to the CMD inputs or Manual Evacuate switch while recording

✓

It is not necessary to fill the entire 60 second or 30 second record time. The time limits represent the
maximum time allotted. For dual language recordings, it is recommended that the 60 second option be
selected. The two 30 second recordings should only be used for fire/nonfire or fire-evacuation/fire-clear
messages

✓

Factory default messages are replaced with the custom messages recorded from the RCA jack or
internal microphone
Document #50580

Rev.D

11/3/98

P/N 50580:D

Switches

Recording one 60 second message from the RCA jack
1.

Press the keypad switch labeled Trouble Silence to begin recording. The green REC LED, located in the
upper left hand corner of the Trouble Silence key, will begin to flash at a one second rate.

After five seconds, the REC LED will turn on steady and recording of the custom message may now commence.

Upon completion of the custom recording, press the Trouble Silence key to terminate the process. The REC
LED will extinguish.

Recording two 30 second messages from the RCA jack
1.

Press the keypad switch labeled Trouble Silence to begin recording. The green REC LED, located in the
upper left hand corner of the Trouble Silence key, will begin to flash at a one second rate.

After five seconds, the REC LED will turn on steady and recording of the first custom message may now
commence.

Upon completion of the custom recording, press the Trouble Silence key to terminate the record process for
the first message. The REC LED will now flash at a ½ second rate for five seconds, to prompt for the recording of the second message.

After this period, the REC LED will turn on steady and recording of the second custom message may now
commence.

Upon completion of the custom recording, press the Trouble Silence key to terminate the recording of the second message. The REC LED will extinguish.

Recording only the first 30 second message from the RCA jack
1.

Press the keypad switch labeled Trouble Silence to begin recording. The green REC LED, located in the
upper left hand corner of the Trouble Silence key, will begin to flash at a one second rate.

After five seconds, the REC LED will turn on steady and recording of the first custom message may now
commence.

Upon completion of the custom recording, press the Trouble Silence key to terminate the recording of the first
message.

The REC LED will now flash at a ½ second rate for five seconds. During that time, press the Trouble Silence
key to terminate the record process. The Trouble Silence key must be pressed within this five second time
frame or accidental erasure of the second message will occur.

Recording only the second 30 second message from the RCA jack
1.

Press the keypad switch labeled Trouble Silence to begin recording. The green REC LED, located in the
upper left hand corner of the Trouble Silence key, will begin to flash at a one second rate.

While the LED is flashing, press the Trouble Silence key again to advance to the beginning of the second message. The Trouble Silence key must be pressed within five seconds or accidental erasure of the first message
will occur. The REC LED will now flash at a ½ second rate for five seconds to prompt for the recording of the
second message.

After five seconds, the REC LED will turn on steady and recording of the second custom message may now
commence.

Upon completion of the custom recording, press the Trouble Silence key to terminate the recording of the
second message. The REC LED will extinguish.

Recording one 60 second message from the microphone
1.

Press the keypad switch labeled Trouble Silence to begin recording. The green REC LED, located in the
upper left hand corner of the Trouble Silence key, will begin to flash at a one second rate.

Within five seconds, press the microphone push-to-talk switch. The REC LED will turn on steady. Speak into
the microphone to record the custom message.

To terminate the record process, press the Trouble Silence key or release the microphone push-to-talk switch.
The REC LED will extinguish.

Document #50580

Rev. D

11/3/98

P/N 50580:D

Switches

Recording two 30 second messages from the microphone
1.

Press the keypad switch labeled Trouble Silence to begin recording. The green REC LED, located in the
upper left hand corner of the Trouble Silence key, will begin to flash at a one second rate.

Within five seconds, press the microphone push-to-talk switch. The REC LED will turn on steady. Speak into
the microphone to record the first custom message.

Release the microphone push-to-talk switch to end recording the first message. The REC LED will now flash
at a ½ second rate to prompt for the recording of the second message.

Within five seconds, press the microphone push-to-talk switch. The REC LED will turn on steady. Speak into
the microphone to record the second custom message.

To terminate the record process, press the Trouble Silence key or release the microphone switch. The REC
LED will extinguish.

Recording only the first 30 second message from the microphone
1.

Press the keypad switch labeled Trouble Silence to begin recording. The green REC LED, located in the
upper left hand corner of the Trouble Silence key, will begin to flash at a one second rate.

Within five seconds, press the microphone push-to-talk switch. The REC LED will turn on steady. Speak into
the microphone to record the first custom message.

Upon completion of the custom recording, release the microphone push-to-talk switch to terminate the recording of the first message.

The REC LED will now flash at a ½ second rate to prompt for the recording of the second message. During
that time, press the Trouble Silence key to terminate the record process.

Recording only the second 30 second message from the microphone

Press the keypad switch labeled Trouble Silence to begin recording. The green REC LED, located in the
upper left hand corner of the Trouble Silence key, will begin to flash at a one second rate.

While the LED is flashing, press the Trouble Silence key a second time to advance to the beginning of the
second message. The REC LED will now flash at a ½ second rate to prompt for the recording of the second
message.

Within 5 seconds, press the microphone push-to-talk switch. The REC LED will turn on steady. Speak into
the microphone to record the second custom message.

To terminate the record process, press the Trouble Silence key or release the microphone push-to-talk switch.
The REC LED will extinguish.

CAUTION! Be certain to slide the Record Bypass switch S2 to the Down position when recording is completed.
This will prevent accidental rerecording or deletion of the stored message(s). It is not possible to record with the S2
Record Bypass switch in the Down position.

4.1.3 Playback Button
The Playback button can be used to review the stored voice message(s). By connecting the optional Local Playback
Speaker Module, the message can be heard without transmitting it over the system speakers. Pressing the Playback
button will cause the following:
• In a system set for one 60 second message, the message will play until the end or until the Playback button is
pressed a second time.
• In a system set for two 30 second messages, the first message will play until the end or until the Playback button is pressed a second time, which will start the second message. The second message will play until the end
or until the Playback button is pressed to stop the message.
Note that the voice message will repeat according to the S1 DIP switch settings (see 2.1“S1 DIP Switch Settings” on
page 15). Refer to Figure 3-18, “Installation of Speaker Module,” on page 31, for additional information.

Document #50580

Rev.D

11/3/98

P/N 50580:D

LED Indicators

4.2

LED Indicators

4.2.1 LEDs Visible with Backbox Door Closed (Refer to Figure 4-1 on page 32)
Power On
A green LED that remains on while the DC power source is within correct limits. If this indicator fails to light
under normal conditions, service the system immediately.
System Trouble
This yellow LED turns on steady to indicate that a fault or abnormal condition exists and that the VECP may be
inoperative.
Alarm
A red LED that turns on steady when either CMD1 or CMD2 inputs are triggered. The LED also turns on when
the Manual Evacuation switch is in the latched position.
Microphone Trouble
This yellow LED turns on steady when the supervised microphone connection is open.
Tone Generator Trouble
This yellow LED turns on steady when one of the supervised tone generators fail or fall below acceptable levels.
Message Generator Trouble
This yellow LED turns on steady when the supervised digital message generator fails or falls below acceptable
levels.
REC (Record) - Located on Front Panel Trouble Silence Button
This green LED pulses once every second when ready to record one 60 second message or twice every second
when ready to record two 30 second messages. It turns on steady while recording and then pulses when five seconds of recording time remains. The LED shuts off when recording time has terminated.

4.2.2 LEDs Visible with Door Open and Optional Dress Panel Removed (Figure 1-1 & Figure 1-2)
AMP SUPR - Supervision (Audio Amplifier Module)
This green LED (one on each amplifier), when on steady, indicates that the amplifier is fully functional. The
VECP constantly tests the amplifier to verify proper operation.
Circuit Trouble (Audio Amplifier Module)
This yellow LED (one on each amplifier) turns on steady when a trouble is detected in the amplifier or to indicate
an open or short circuit on the field wiring attached to the amplifier output terminals.
Ground Fault (Power Supply/Battery Charger Module)
This yellow LED turns on steady when a ground fault condition is detected on the system.
Battery Trouble (Power Supply/Battery Charger Module)
This yellow LED turns on steady when the battery is disconnected or battery voltage drops below an acceptable
level.
AC ON (Power Supply/Battery Charger Module)
This green LED remains on while AC power is within correct limits. If this indicator fails to light under normal
conditions, service the system immediately).

4.3

Operation

The VECP continuously monitors system status. When no system alarm or local trouble conditions exist, all LEDs
are off except the Power On LED located on the front panel keypad, the amplifier supervision LED(s) and the AC ON
LED located on the optional Power Supply/Battery Charger Module. The Notification Appliance Circuits (speakers)
are off and all relays are in their normal state. Alarm and local troubles are annunciated by the VECP’s LEDs.

Document #50580

Rev. D

11/3/98

P/N 50580:D

Operation

4.3.1 Fire Alarm
The Voice Evacuation Control Panel will, upon detection of an alarm condition (either CMD1 or CMD2 Inputs):
✓

Turn on the front panel Alarm LED steady

✓

Activate (reverse polarity) Master Command Output Bus

✓

Turn on the appropriate Notification Appliance Circuit speakers (depending on CMD input source)

✓

Turn on the appropriate Audio Amplifier

✓

Transmit the tone before message if programmed (repeating tone number of times programmed)

✓

Transmit the appropriate (CMD2 can be programmed to transmit secondary ‘nonfire’ message) digital
voice message (repeating message number of times programmed)

✓

Transmit the tone after message if programmed (repeating tone number of times programmed)

✓

Transmit a primary evacuation tone only (if programmed)

4.3.2 Fire Alarm Restoral
✓

Turn off the Alarm LED located on the front panel

✓

Deactivate the Master Command Bus

✓

Turn off the Notification Appliance Circuits

✓

Turn off the Audio Amplifiers

✓

Turn off the digital voice message or tone at its present point in transmission

4.3.3 Manual Evacuation Switch Activation
The Voice Evacuation Control Panel will, upon activation of the Manual Evacuation switch:
✓

Turn on the panel Alarm LED steady

✓

Activate (reverse polarity) Master Command Bus

✓

Turn on all Notification Appliance Circuit speakers

✓

Turn on the Audio Amplifiers

✓

Transmit the tone before message if programmed

✓

Transmit the appropriate digital voice message (repeating message the number of times programmed)

✓

Transmit the tone after message if programmed (repeating tone the number of times programmed)

✓

Transmit a primary evacuation tone only if programmed (repeating tone the number of times programmed)

4.3.4 Manual Evacuation Switch Restoral
The Voice Evacuation Control Panel will, upon return of Manual Evacuation switch to normal position:

✓

Turn off the panel Alarm LED

✓

Deactivate (return to normal) Master Command Output Bus

✓

Turn off all Notification Appliance Circuit speakers

✓

Turn off the Audio Amplifiers

✓

Turn off the digital voice message or tone at its present point in transmission

Document #50580

Rev.D

11/3/98

P/N 50580:D

Operation

4.3.5 Message Override Switch
The Message Override switch is a momentary switch which interrupts the selected evacuation tone and/or message.
While the unit is in alarm, holding the Message Override switch down shuts off the recorded message(s) or tones but
leaves the amplifiers on. Pressing the microphone key allows manual emergency voice messages to override the
built-in message(s). Releasing both the microphone key and the Manual Override switch causes the VECP to return
to generating the recorded message(s) and/or tones.

4.3.6 Trouble Condition Response
All trouble conditions will cause the following to occur (Note: All trouble conditions fully supervised in standby and
alarm unless otherwise noted):
✓

Deactivate the trouble relay

✓

Turn on local piezo

✓

Turn on the system Trouble LED

✓

Open CMD1 input - ONLY if CMD1 is not in the alarm state

In addition to the above trouble responses, the following troubles will cause the specific responses noted:
AC Loss
• Turn off the AC ON LED on the FC-PSM(E) module
• The Power On LED on the front panel remains on if battery power is supplied
• Deactivate the AC Loss Relay on the FC-PSM(E) (immediate or 6 hour delay depending on S1 position)
Battery Trouble (low or no battery)
• Turn on the Battery Trouble LED on the FC-PSM(E) module
Ground Fault
• Turn on the Ground Fault LED on the FC-PSM(E) module
Microphone Fault
• Turn on the Microphone Trouble LED on the front panel
Tone Generator Fault
• Turn on the Tone Generator Trouble LED on the front panel
Message Generator Trouble
• Turn on the Message Generator Trouble LED on the front panel
CMD1 or CMD2
• Both inputs are supervised for open circuit condition when unit is programmed for Normally Open contacts,
otherwise supervision is provided by the host Fire Alarm Control Panel NAC output
Master Command
• Polarity reversal circuit supervised for open and short circuits while in standby only.
Background Music
• When background music option is enabled via DIP switch S5 switch 3, the VECP will constantly monitor the
external audio input RCA Jack. A fault condition will occur when the audio level input falls below acceptable
limits for 75 seconds. Both amplifiers and speaker wiring continue to be fully supervised* when background
music is output from the VECP. Note that when AC power is lost, the VECP will shut off background music
to conserve batteries. Background music requires installation of the FC-PSM(E) module. (Not UL approved
for use when the VECP is powered via TB3).
*

Note that when the 70.7 V RMS Transformer Module is installed, the use of background music is not
permitted.

Document #50580

Rev. D

11/3/98

P/N 50580:D

Operation

Amplifier Fault
• Both amplifiers are constantly monitored for proper functionality. Should either amplifier fail, the AMP
SUPR LED will turn off and the circuit Trouble LED will turn on. When the system is configured for backup,
failure of the primary amplifier will cause the backup amplifier to be switched in.
NAC (Speaker) Output
• The wiring to each amplifier is supervised for opens and shorts at all times in standby and while in alarm or
when background music is enabled *. A wiring fault will cause the circuit Trouble LED located on each amplifier module to turn on. It should be noted that the green AMP SUPR LED may remain on for wiring faults.
*Note that when the 70.7 V RMS Transformer Module is installed, the use of background music is not
permitted.
Power LED
• When external power is used to power the VECP [FC-PSM(E) module not installed], a loss of input power at
TB3 will turn off the Power On LED.
Internal Power Supplies
• Power fed to the amplifiers from the main circuit board is fully supervised. Should standby or alarm power
feeds to either amplifier fail, the unit will go into trouble.
Note that a power trouble on one amplifier will not affect the power to the other amplifier.

4.3.7 Trouble Condition Restoral
All trouble condition restorals will cause the following to occur:
✓

Reactivate the trouble relay

✓

Turn off local piezo

✓

Turn off the system Trouble LED

✓

Close CMD1 input

In addition to the above trouble condition restorals, the following specific restorals will occur:
AC restoral
• Turn on the AC ON LED on the FC-PSM(E) module
• The Power On LED on the front panel remains on
• Reactivate the AC Loss Relay on the FC-PSM(E)
Battery restoral
• Turn off the Battery Trouble LED on the FC-PSM(E) module
Ground Fault cleared
• Turn off the Ground Fault LED on the FC-PSM(E) module
Microphone restoral
• Turn off the Microphone Trouble LED on the front panel
Tone Generator restoral
• Turn off the Tone Generator Trouble LED on the front panel
Message Generator restoral
• Turn off the Message Generator Trouble LED on the front panel
Amplifier restoral
• The AMP SUPR LED will turn on and the circuit Trouble LED will turn off. When the system is configured
for backup, restoral of the primary amplifier will cause the backup amplifier to be switched out

Document #50580

Rev.D

11/3/98

P/N 50580:D

Operation

NAC (Speaker) Output restoral
• The wiring to each amplifier is supervised for opens and shorts at all times in standby and while in alarm or
when background music is enabled*. A restoral of a wiring fault will cause the circuit Trouble LED located on
each amplifier module to turn off. It should be noted that the green AMP SUPR LED is on
*

Note that when the 70.7 V RMS Transformer Module is installed, the speaker wiring is not supervised
while in alarm and the use of background music is not permitted.

Power LED - power restoral
• When external power is used to power the VECP [FC-PSM(E) module not installed], a restoral of input power
at TB3 will turn on the Power On LED
Internal Power Supplies restoral
• Power fed to the amplifiers from the main circuit board is fully supervised. Restoral of standby or alarm
power feeds to either amplifier will cause the unit to clear the trouble indications

Document #50580

Rev. D

11/3/98

P/N 50580:D

Application Examples

CHAPTER 5

Application Examples

The FIRE•COMMAND•25/50 is a Voice Evacuation Control Panel which can be used, with a variety of Fire Alarm
Control Panels, to provide emergency audio messages. This chapter contains a few application examples and is not
meant to provide a comprehensive list of all possible VECP applications.

5.1

One Speaker Circuit

A very basic application consists of one FIRE•COMMAND•25/50 with one amplifier and a single speaker circuit.
This configuration is suitable for small facilities requiring no more than 25 watts of output power. A single fire evacuation message will be generated during an alarm condition from the host FACP or activation of the Manual Evacuate
switch.
In this application, the NAC from the host FACP is connected to CMD1. The CMD1 out terminals are then terminated with an EOL resistor for the FACP's Style Y NAC or the terminals are wired back to the host FACP for a
Style Z NAC. S5 DIP switch 2 is set to OFF which causes the speaker circuit to be activated by the CMD1 input. S5
DIP switch 5 is set to OFF which causes CMD1 input to be activated by a reverse polarity condition.
FIGURE 5-1:One 25 Watt Speaker Circuit

H ost FA C P
N AC

Note: Typical illustration of a Fire•Lite control panel.
Refer to the Command Input Specification in Section 1.2,
”Specifications” on page 10, for the voltage range.

Style Z

FACP EOL Resistor (Style Y only)
+

+ +

1 2 3 4

1 2

+ +

1 2 3 4

FIRE•COMMAND•25/50 Main
Circuit Board
2550APP5.CDR

Style Z
Model R-20K, ½ watt
EOL resistor P/N: 75477
(Style Y - Class B only)

1 2 3 4 5 6

1 2 3 4

Document #50580

Rev.D

11/3/98

P/N 50580:D

One Speaker Circuit With Backup

5.2

One Speaker Circuit With Backup

Another application consists of one FIRE•COMMAND•25/50 with one amplifier and a single speaker circuit. A second amplifier can be installed as a backup if desired. This configuration is suitable for small facilities requiring no
more than 25 watts of output power. A single 60 second fire evacuation message will be generated during an alarm
condition from the host FACP or activation of the Manual Evacuate switch.
In this application, the NAC from the host FACP is connected to CMD1. The CMD1 out terminals are then terminated with an EOL resistor for the FACP's Style Y NAC or the terminals are wired back to the host FACP for a
Style Z NAC. S5 DIP switch 2 is set to OFF which causes the speaker circuit to be activated by the CMD1 input. S5
DIP switch 5 is set to OFF which causes CMD1 input to be activated by a reverse polarity condition.
Backup Amplifier switch S1 is set to the ‘Backup ON’ position. 18 AWG or larger jumpers connect the Backup
Amplifier TB2 Terminal 3 and Main Amplifier TB2 Terminal 2 as well as Backup Amplifier TB2 Terminal 4 and
Main Amplifier TB2 Terminal 1. Upon failure of the first or main amplifier, the audio from the backup amplifier will
be switched out to the speakers.
Note that in the optional 70.7 V RMS configuration, only the amplifier is backed-up; the FC-X RM70 coupling transformer is not. For this reason, it is not necessary to install an FC-X RM70 transformer module on the backup
amplifier.
FIGURE 5-2:One 25 Watt Speaker Circuit With Backup

H o st FA C P
N AC
Style Z

Note: Typical illustration of a Fire•Lite control panel.
Refer to the Command Input Specification in Section 1.2,
”Specifications” on page 10, for the voltage range.

FACP EOL Resistor (Style Y only)
+

+ +

1 2 3 4

1 2

+ +

1 2 3 4

FIRE•COMMAND•25/50 Main
Circuit Board

Style Z
Model R-20K, ½ watt
EOL resistor P/N: 75477
(Style Y - Class B only)
Backup
Audio Out

Backup
Audio In

Supervisory
Polarity Shown
+

1 2 3 4

Document #50580

1 2 3 4 5 6
1 2 3 4

2550APP4.CDR

1 2 3 4 5 6

Rev. D

11/3/98

P/N 50580:D

Two Speaker Circuits - One 60 Second Message On Both Amps

5.3

Two Speaker Circuits - One 60 Second Message On Both Amps

This application consists of one FIRE•COMMAND•25/50 with two speaker circuits which requires installation of the
optional second amplifier. This configuration is suitable for small facilities requiring no more than 50 watts of output
power. A 60 second fire evacuation message will be generated over both speaker circuits simultaneously during an
alarm condition from the host FACP or when the Manual Evacuate switch is activated.
In this application, the one NAC from the host FACP is connected to CMD1 In terminals. The CMD1 Out terminals
are then jumpered to the CMD2 In terminals. The CMD2 Out terminals may then be terminated with an EOL resistor
for the FACP's Style Y NAC or the terminals may be wired back to the host FACP for a Style Z NAC. Note that additional NAC devices may be connected to the CMD2 Out terminals as illustrated in Figure 5-3.
S5 DIP switch 2 is set to OFF which causes transmission of the primary ‘fire’ message over speaker circuits 1 and 2
upon activation of CMD1 and CMD2. S5 DIP switch 5 is set to OFF which causes CMD1 input to be activated by a
reverse polarity condition and S5 DIP switch 6 is set to OFF which also causes CMD2 input to be activated by a
reverse polarity condition.
FIGURE 5-3:Two Speaker Circuits - One 60 Second Message On Both Amps

H o st FA C P
N AC

Note: Typical illustration of a Fire•Lite control panel.
Refer to the Command Input Specification in Section 1.2,
”Specifications” on page 10, for the voltage range.

Style Z
FACP EOL Resistor (Style Y only)

1 2 3 4

1 2

+ +

1 2 3 4

Style Z

Model R-20K,
½ watt EOL
P/N: 75477
(Style Y only)

Supervisory
Polarity Shown

Supervisory
Polarity Shown
+

Document #50580

Rev.D

11/3/98

P/N 50580:D

2550APP6.CDR

FIRE•COMMAND•25/50 Main
Circuit Board

+ +

Two Speaker Circuits - Two 30 Sec. Messages (Fire and Nonfire)

5.4

Two Speaker Circuits - Two 30 Sec. Messages (Fire and Nonfire)

This application consists of one FIRE•COMMAND•25/50 with two speaker circuits which requires installation of the
optional second amplifier. This configuration is suitable for small facilities requiring no more than 50 watts of total
output power (provided on dual 25 watt speaker circuits). A fire evacuation message will be generated over both
speaker circuits during an alarm condition from the host FACP and an emergency ‘nonfire’ message can be manually
generated over both circuits.
In this application, one NAC from the host FACP is connected to the CMD1 In terminals. The CMD1 Out terminals
are then terminated with an EOL resistor for the FACP's Style Y NAC or the terminals are wired back to the host
FACP for a Style Z NAC. CMD2 is connected to a normally open contact which can be used to manually generate an
emergency ‘nonfire’ message (i.e. tornado warning).
S5 DIP switch 2 is set to ON which causes transmission of the primary ‘fire’ message over speaker circuits 1 and 2
upon activation of CMD1 and transmission of the secondary ‘nonfire’ message over speaker circuits 1 and 2 upon
activation of CMD2. S5 DIP switch 5 is set to OFF which causes CMD1 input to be activated by a reverse polarity
condition and S5 DIP switch 6 is set to ON which causes CMD2 input to be activated by a contact closure.
FIGURE 5-4:Two Speaker Circuits - Two Messages

H o st FA C P
N AC

Note: Typical illustration of a Fire•Lite control panel.
Refer to the Command Input Specification in Section 1.2,
”Specifications” on page 10, for the voltage range.

Style Z
4.7K, ¼ watt EOL,
P/N: 27072

FACP EOL Resistor (Style Y only)
+

+ +

1 2 3 4

1 2

1 2 3 4

+ +

FIRE•COMMAND•25/50 Main
Circuit Board

Style Z

Model R-20K,
½ watt EOL
P/N: 75477
(Style Y only)

Supervisory
Polarity Shown

Supervisory
Polarity Shown
+

Document #50580

Rev. D

11/3/98

P/N 50580:D

2550APP1.CDR

Two Speaker Circuits - One or Two Messages (CMD1 and CMD2 Amp Selection)

5.5

Two Speaker Circuits - One or Two Messages (CMD1 and CMD2
Amp Selection)

This application consists of one FIRE•COMMAND•25/50 with two speaker circuits which requires installation of the
optional second amplifier. This configuration is suitable for small facilities requiring no more than 50 watts of output
power. Depending on configuration switch settings and activation of one of the Command CMD inputs, a fire evacuation message can be generated over one or both speaker circuits or one of two different messages can be generated
over both circuits.
In this application, one NAC from the host FACP is connected to CMD1. The CMD1 Out terminals are then terminated with an EOL resistor for the FACP's Style Y NAC or the terminals are wired back to the host FACP for a
Style Z NAC. A second NAC from the host FACP is connected to CMD2. The CMD2 Out terminals are then terminated with an EOL resistor for the FACP's Style Y NAC or the terminals are wired back to the host FACP for a
Style Z NAC.
S5 DIP switch 2 set to OFF causes transmission of one 60 second message. Activation of one or both CMD inputs
determine which amplifier is on. S5 DIP switch 2 set to ON causes transmission of two 30 second messages. Control
of which message to be played over both amplifiers is via CMD1 and CMD2 (refer to charts in Section 2.2). S5 DIP
switches 5 and 6 are set to OFF which causes CMD1 and CMD2 inputs to be activated by reverse polarity conditions.
FIGURE 5-5:Two Speaker Circuits - One of Two Messages

H o st FA C P
N AC 2
N AC 1

Note: Typical illustration of a Fire•Lite control panel.
Refer to the Command Input Specification in Section 1.2,
”Specifications” on page 10, for the voltage range.

Style Z

Style Z
FACP EOL Resistor (Style Y only)

FACP EOL Resistor (Style Y only)
+

+ +

12 34

1 2

+ +

12 34

Style Z

Model R-20K, ½
watt EOL P/N:
75477 (Style Y
only)

Supervisory
Polarity Shown

Supervisory
Polarity Shown
+

Document #50580

Rev.D

11/3/98

P/N 50580:D

2550APP7.CDR

FIRE•COMMAND•25/50 Main
Circuit Board

Battery Calculations

Appendix A

When the optional FC-PSM(E) Power Supply/Battery Charger is installed, use the Total Standby and Alarm Load
Currents calculated in Table A-2 and Table A-3 for the following battery calculation. When powered by an external
power source via TB3, use Table A-2 and Table A-3 to assist in the battery calculations.
Battery Calculations

TABLE A-1:

Standby Load
Current in amps
(from Table A-2)
[ ]

Required Standby Time in Hours
(24 or 60 Hours)
[ ]

____________

Alarm Load
Current in amps
(from Table A-3)
[ ]

Required Alarm Time in Hours
(i.e. 15 min. = 0.250 Hours)1
[ ]

____________

Add Standby and Alarm Load for Required Ampere Hour Battery

____________

Multiplying by derating factor of 1.2

X 1.2

Total Ampere Hour Battery

2, 3

____________

1. NFPA requires a minimum of 15 minutes of alarm time and 24 hours standby time for voice message systems. Consult Local Authority Having Jurisdiction for local requirements.
2. 7 Ampere Hour battery can be located in the FIRE•COMMAND•25/50 backbox.
3. Greater than 7 Ampere Hour up to 17 Ampere Hour battery requires the BB-17F battery box.

Enter the total standby current requirements into Table A-2 for the FIRE•COMMAND•25/50. When the optional
FC-PSM(E) Power Supply/Battery Charger is installed, enter total standby current requirements calculated in Table
A-2 into Table A-1 . If power is being provided by regulated 24 VDC from a separate power supply such as the
FCPS-24F(E) or an FACP, use the standby current calculated in Table A-2 to calculate battery requirements for the
separate power supply or FACP.
TABLE A-2:

Regulated Load in Standby
Current
(amps)

Total Current
(amps)

Device Type

# of Devices

Main circuit board and one
Audio Amplifier

(1 maximum)

0.180

FC-PSM(E)

(1 maximum)

0.030

(1 maximum)

0.030

[

0.180

1, 2

Optional Audio Amplifier
(FC-AAM25)

Additional Draw from TB4
Aux Power
(0.035 amps maximum)

]

Sum Column for Standby Load

amps

1. The FC-XRM70 Transformer Module draws no current in standby.
2. The FC-LPS Local Playback Speaker Module draws no current in standby.

Document #50580

Rev. D

11/3/98

P/N 50580:D

Battery Calculations

Enter the total alarm current requirements into Table A-3 for the FIRE•COMMAND•25/50. When the optional
FC-PSM(E) Power Supply/Battery Charger is installed, enter the total alarm current requirements calculated in Table
A-3 into Table A-1 and perform calculations. If power is being provided by a regulated 24 VDC from a separate
power supply such as the FCPS-24F(E) or an FACP, use the alarm current calculated in Table A-3 to calculate battery
requirements for the separate power supply or FACP.
TABLE A-3:

Regulated Load in Alarm
Current
(amps)

Total Current
(amps)

Device Type

# of Devices

Main Circuit Board

(1 maximum)

0.180

(1 maximum)

0.030

(1 standard)

1.0

(1 maximum)

1.0

FC-PSM(E)
First Audio Amplifier
(FC-AAM25)

0.180

Optional Audio
Amplifier1
(FC-AAM25)
Additional Draw from
TB4 Aux. Power
(0.035 amps maximum)

[

]

Sum Column for Alarm Load

1.0

amps

1. Maximum alarm current is 1.0 amp per amplifier (1.0 amp = 25 watts)

Note:
• The FC- XRM70 Transformer Module draws no current in standby.
• The FC-LPS Local Playback Speaker Module draws no current in standby.
• The FIRE•COMMAND•25/50 will shut off background music in the event AC power is lost in order to conserve battery power. Background music may be selected only when the optional FC-PSM(E) module is
installed (requires approval of Local AHJ).

Document #50580

Rev.D

11/3/98

P/N 50580:D

Digital Voice Messages

Appendix B

Digital Voice Messages

The FIRE•COMMAND•25/50 digital message generator provides a 60 second record time which allows for a single
fire message of 60 seconds length or two 30 second messages. One or two messages may be field programmed.
Refer to 4.1.2“REC - Record Push Button” on page 32. The FIRE•COMMAND•25/50 is provided with a factory
recorded single ‘primary’ message which can be changed in the field. The prerecorded message (female voice) is:
“May I have your attention please. May I have your attention please. The signal you have just heard indicates a
report of a fire in this building. Please proceed to the nearest exit and leave the building. Do not reenter the building unless directed to do so by the proper authorities.”
New ‘primary’ and ‘secondary’ messages can be recorded in the field. Be certain to get the approval of the Local
Authority Having Jurisdiction prior to recording new messages. Following are some examples of ‘primary’ and ‘secondary’ messages which may be recorded in the field:
• “May I have your attention please. May I have your attention please. There has been a fire reported on your
floor. There has been a fire reported on your floor. Please proceed to the stairways and exit the building. Do
not use the elevators.”
• “May I have your attention please. May I have your attention please. There has been a fire alarm reported in
the building. There has been a fire alarm reported in the building. Please proceed to the stairways and exit the
building. Do no use the elevators, but proceed to the stairways and exit the building.”
• “May I have your attention please. May I have your attention please. A tornado warning has been issued for
this area. A tornado warning has been issued for this area. Please take all appropriate safety actions at this
time.”
• “May I have your attention please. May I have your attention please. A hurricane warning has been issued for
this area. A hurricane warning has been issued for this area. Please take all appropriate safety actions at this
time.”
• “May I have your attention please. May I have your attention please. An emergency condition exists on this
floor. An emergency condition exists on this floor. Please proceed to the stairways and exit the building. Do
not use the elevators.
• “May I have your attention. This is an emergency. Please walk to the nearest exit and go to your assembly
areas and await further instructions. This is an emergency.”
• “Your attention please. The fire alarm in this building has been activated. Please cease operations immediately and proceed into the nearest fire exit. Descend to street level and leave the building. Do not use the elevator.”
• “There has been a Fire Emergency reported in this building. Proceed calmly to fire stairs. Do not use elevators. Do not contact the front desk unless evacuation assistance is required. Proceed directly to fire stairs.
Fire personnel will assist disabled and elderly from the fire stairs. Floor Wardens report status by fire phone.”
• “May I have your attention please. There has been a Fire Emergency reported in the building. While this is
being verified, please leave the building by the nearest exit or exit stairway.”
• “Attention. Your attention please. The building emergency condition has been cleared. You may return to
your normal activities. The building emergency has been cleared. You may return to your normal activities.”
• “Your attention please. A severe weather warning has been received. Please walk to the nearest safe area and
wait for further instructions. Elevator lobbies, stairwells, bathrooms and auditoriums are designated safe areas
in the event of severe weather. Stay away from windows and glass. Do not use the elevators.”

Document #50580

Rev. D

11/3/98

P/N 50580:D

FCPS-24F(E) Connections

Appendix C

FCPS-24F(E) Connections

FIGURE C-1:FCPS-24F(E) Connections to FIRE•COMMAND•25/50
Command Input
(alarm polarities)
4.7K ELR

Trouble Relay transfer on loss of power

8 7 6 5 4 3 2 1

O
F
F

8 7 6 5 4 3 2 1

O
F
F

No jumper on
P10

Factory installed
jumper must be in
place on P7

FIRE•COMMAND•25/50

Regulated, filtered, power-limited output, 3 amps maximum- wiring is supervised by the FIRE•COMMAND•25/50
(loss of power results in transfer of Trouble Relay)

FACP NAC activation causes
FCPS-24F(E) NACs 1 & 2 to activate.
FCPS-24F(E) NAC 2 triggers the
FIRE•COMMAND•25/50. Power from the
FCPS-24F(E) TB4 Terminals 7 & 8 power
the FIRE•COMMAND•25/50.

FACP ELR
Control
Input #1

1
2
3
4
5

24 VDC
Common

2550FCPS.CDR

8
9

FCPS-24F(E)

Notes:
• Maximum FIRE•COMMAND•25/50 amplifier output is 38 watts when two amplifiers are installed due to 3.0
amps current limitation of FCPS-24F(E) output (single amplifier panel will supply 25 watts).
• NAC 2 on the FCPS-24F(E), in addition to triggering the FIRE•COMMAND•25/50 by reverse polarity, can
support notification appliances.
• On FIRE•COMMAND•25/50, do not jumper P10, but leave factory installed jumper in place on P7
• This configuration must not be used when background music is selected.
48

Document #50580

Rev.D

11/3/98

P/N 50580:D

Notes

Addressable Module Connections

Appendix D

When configured with an addressable FACP such as the MS-9200(E), the FIRE•COMMAND•25/50 may be triggered either by the FACP main NAC output or from addressable control modules. Figure D-1 illustrates CMD1 triggered by an addressable control module. The addressable control module may trigger the FIRE•COMMAND•25/50
via reverse polarity (shown) or relay contact. The FACP monitors the FIRE•COMMAND•25/50 for faults while in
the standby or alarm state by wiring a monitor module to the trouble contacts as shown in Figure D-1. Activation of
the addressable control module is controlled by the FACP. Refer to the MS-9200(E) manual for additional
information.
FIGURE D-1:Addressable Module Connections

Control
Module

Monitor
Module

"#$
%&'
()

Note 2

Note 1

O
F
F

1 2

3 4 5

O
F
F

1 2

3 4 5

6 7

2550MDS.CDR

6 7

Notes:
1.

Auxiliary Power terminals for special application power only. Wiring must remain in the room.

Supervise the wiring between the FIRE•COMMAND•25/50 Auxiliary Power output and the control module
with an EOL relay (A77-716B)

EOL resistor supplied with modules.

Document #50580

Rev. D

11/3/98

P/N 50580:D

Notes

Appendix E

Wiring Requirements

Connecting external system accessories to the FIRE•COMMAND•25/50 main circuits must be carefully considered
to ensure proper operation. It is important to use the correct type of wire, wire gauge and wire run length per each circuit. Refer to the following table to specify wire requirements and limitations.
NOTE: If an SLC loop is to be run in conduit with FIRE•COMMA ND•25/50 Notification A ppliance Circuits, the
risk of encountering problems can be greatly reduced by using twisted, shielded cable on the SLC and NACs.
TABLE E-1:

FIRE•COMMAND•25/50 Wiring Requirements

CIRCUIT CONNECTIONS

Circuit Type

Circuit Function

AC Power
FC-PSM(E) Module
TB1 (nonpower-limited)

Primary Power Input to
FC-PSM(E) Module,
AC Voltage

DC Power (use only if
FC-PSM(E) is not
installed) Main Board
TB3
(power-limited)

WIRE REQUIREMENTS
Wire Type &
Limitations

Recommended Maximum
Distance (Feet)

Wire Gauge

See Note

Power Supplied must be 120 VAC,
60 HZ, 1.0 amps for FC-PSM and
220/240 VAC, 50 Hz, 0.5 amp for
FC-PSME (see Note1)

Terminals Support
12-18 AWG
(see Note1)

Regulated, Power-limited
DC power to Main Board,
4.2 amps maximum,
19.1 - 26.4 volts

See Note1
Untwisted,
unshielded or
twisted,
shielded

Determined by Voltage range in
Standby and Alarm

Terminals support
12-18 AWG
(See Note1)

Notification Appliance
Circuit

See Note2
Untwisted,
unshielded or
twisted,
shielded

See Note3

12 - 18 AWG

CMD1 and CMD2 Main
Board TB2 and TB5
(nonpower-limited)

Triggers
FIRE•COMMAND

See Note1
Untwisted,
unshielded or
twisted,
shielded

Main Board TB6 Master
Command Bus Reverse
Polarity (power-limited)

Output Trigger for
Multiple
FIRE•COMMAND
configurations

Untwisted,
unshielded

130 ohms maximum

12 - 18 AWG

Trouble Relay Main
Board TB1
(nonpower-limited)

Trouble Output

Maximum
Current 2 amps

Depends on Input Circuit

12 - 18 AWG

AC Los Relay
FC-PSM(E) Module
TB2 (nonpower-limited)

AC Loss Output

Maximum
Current 2 amps

Depends on Input Circuit

12 - 18 AWG

Audio Output
FCAAM25 Module TB1
(power-limited)

Depends on Output (trigger)
Circuit
9 - 32 VDC, 1.6 mA for polarity
reversal relay must be rated at 0.5
amp, 24 VDC

12 - 18 AWG

1. Refer to NEC Standards.
2. Twisted, shielded wire is recommended for maximum protection against EMI and AFI emissions and susceptibility.
3. Must also meet NFPA 72 Standards for minimum and maximum sound levels.

Document #50580

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11/3/98

P/N 50580:D

A
AC Fail Delay 29
AC Loss 37
AC Loss Relay 8, 10, 12, 14
Contact Rating 12
AC On 7, 29, 35
AC Power 10, 22
AC Power Loss Relay 25, 29
Contact Rating 25
Addressable Module Connections 49
Alarm 7, 12, 35
Amplifier Fail 7
Amplifier Fault 38
Amplifier Supervision 7, 13
Application 40
Audio Amplifier
Jumper 27, 28
Switch S1 27
Audio Amplifier Module 10, 13, 27
Audio Conversion Module 7, 28
Audio Input 7, 11
Input Current 11
Input Impedance 11
Input Voltage 11
Audio Power 6
25 watts 6, 11
50 watts 6
Auxiliary Audio Input 7
Auxiliary Power 7, 23

60 second (one) 7
D
DIP Switches
S5 16
Dress Panel 7, 13
Dual-message 7
E
Earth Ground 22
End-of-Line Resistor 10, 11, 24
F
FACP 7, 10
FC-AAM25 10, 13, 27
FC-LPS 11, 14, 31
see also Local Playback Speaker 12
FCPS-24F(E) 7, 10, 22, 48
FC-PSM(E) 7, 8, 10, 12, 14, 22
FC-XRM70 13, 14, 27, 28
see also Audio Conversion Module 13
Fire Alarm 36
Fire Alarm Control Panel
see also FACP 6
Fire Alarm Restoral 36
FIRE•COMMAND•25/50 6
see also Voice Evacuation Control Panel 6
Form-C 8, 11, 12, 25
see Relay

B
Background Music 12, 15, 17, 22, 37
Backup Amplifier 13, 27, 41
Backup Audio 10
Battery 10, 13, 22
Alarm 46
Charger Capacity 10
Charging Circuit 10
Standby 45
Battery Box 13, 21
Battery Calculations 45
Battery Charger 12, 13, 14, 22, 29, 45
Battery Trouble 7, 29, 35, 37
BB-17F 13
Bypass Switch 18

G
Ground Fault 7, 29, 35, 37
H
Hi-Lo Tone 7, 15
I
Indicators 11
Input Circuits 12, 23
J
Jumper 22
Audio Amplifier 10
K
Knockout Locations 20

C
Cabinet 13
Cabinet Dimensions 20
Charger 10
Chime Tone 7, 15
Circuit Trouble 35
Circuits 12
CMD1 12, 17, 23, 24, 37
see also Command Input Circuit 10
CMD2 12, 17, 23, 24, 37
see also Command Input Circuit 10
Command Input Circuit 10, 17, 23
Contact Closure Current 10
End-of-Line Resistor 10
Operating Voltage 10
Reverse Polarity Current 10
Contact Rating
AC Loss Relay 10
Contact-closure 10
Controls 11
see also Switches 11
Custom Message 7
30 second (two) 7

L
LED 7, 12, 13, 27, 29, 35
Lightning Protection 22
Local Playback Speaker 7, 8, 12, 14, 31
M
Main Circuit Board 13
Manual Evacuate 7, 11, 32, 36
Master CMD Out 11
Operating Voltage 11
Short Circuit Current 11
Master Command 37
Master Command Output 24
End-of-Line Resistor 24
Message Generator Trouble 7, 12, 35, 37
Message Override 7, 11, 32, 37
Message Playback 11
Message Recording 16
Message Repeat 16
Message Repeater 7
Messages 47
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P/N 50580:D

Microphone 32
Microphone Trouble 7, 12, 35, 37
Mounting 19
MR-101C 11, 24
MR-201C 11, 24
N
NAC 6, 38, 39
End-of-Line Resistor 25
see also Notification Appliance Circuit 6
Style Y 6, 12
Style Z 6, 12
Nonpower-limited 26
Notification Appliance Circuit 6, 12, 23, 25
O
Operation 35
Option Modules 13, 27
Output Circuit 12, 24
P
Piezo 7
Playback 34
Power 7, 10, 11, 22, 38, 39
see also FC-PSM(E) 7
Power On 7, 12, 35
Power Supply 13, 14, 22, 29, 45
see also FC-PSM(E) 7
Power-limited 26
Power-limited Circuit 10, 11
Primary Message 7
Primary Power 22
Product Description 6
Product Features 6
Programming 10, 12, 15, 23
DIP Switches 15

Supervision 6, 11, 13, 35
Surface Mount 19
Switch 7
S1 Audio Amplifier 10
Switches 11, 32
S1 15
S5 15
System Trouble 7, 12, 35
T
Temporal Pattern 15
Tone 7
Tone After Message 16
Tone Before Message 15
Tone Generator 7
Tone Generator Fault 37
Tone Generator Trouble 7, 12, 35
Transformer 8
Transformer Installation 30
Transient Protection 22
Trouble 38
Trouble Relay 8, 11, 25
Contact Rating 11, 12, 25
Trouble Silence 11, 32
U
UL Power-limited Wiring 26
V
VECP 6, 12, 22
see also Voice Evacuation Control Panel 6
VECP Backbox 21
Voice Evacuation Control Panel 6
W
Wiring Fault 7
Wiring Requirements 50

R
RCA Jack 11, 12, 32
see also Audio Input 11
Record 7, 32, 35
30 Second Message (two) 32, 33
60 Second Message (one) 32, 33
Bypass Switch 18
Enable 18
From Microphone 17
From RCA Jack 17
Record (REC) 12
Record Bypass 32
Recording Instructions 32
Relay 7, 11, 12
S
Secondary Message 7
Secondary Power 22
Semi-flush Mount 19
Slow-Whoop Tone 7, 15
Sounder 7
see also Piezo 7
Speaker Circuit 6, 11, 25
End-of-Line Resistor 11
Operating Voltage 11
see also NAC 6
Style Y 11
Style Z 11
Speaker/Message Selection 16
Specific Application Power 11, 12, 23
Steady Tone 7, 15
52

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Document #50580

Rev. D

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P/N 50580:D

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Document #50580

Rev.D

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P/N 50580:D

Limited Warr
anty
arranty
Fire-Lite® warrants its products to be free from defects in materials and workmanship
for eighteen (18) months from the date of manufacture, under normal use and service.
Products are date stamped at time of manufacture. The sole and exclusive obligation
of Fire-Lite® is to repair or replace, at its option, free of charge for parts and labor, any
part which is defective in materials or workmanship under normal use and service.
For products not under Fire-Lite® manufacturing date-stamp control, the warranty is
eighteen (18) months from date of original purchase by Fire-Lite®'s distributor unless
the installation instructions or catalog sets forth a shorter period, in which case the
shorter period shall apply. This warranty is void if the product is altered, repaired or
serviced by anyone other than Fire-Lite® or its authorized distributors or if there is a
failure to maintain the products and systems in which they operate in a proper and
workable manner. In case of defect, secure a Return Material Authorization form from
our customer service department. Return product, transportation prepaid, to FireLite®, One Fire-Lite Place, Northford, Connecticut 06472-1653.
This writing constitutes the only warranty made by Fire-Lite® with respect to its products.
Fire-Lite® does not represent that its products will prevent any loss by fire or otherwise,
or that its products will in all cases provide the protection for which they are installed
or intended. Buyer acknowledges that Fire-Lite® is not an insurer and assumes no
risk for loss or damages or the cost of any inconvenience, transportation, damage,
misuse, abuse, accident or similar incident.
F i r e - L i t e ® GIVES NO WARRANTY, EXPRESSED OR IMPLIED, OF
MERCHANTABILITY, FITNESS FOR ANY PARTICULAR PURPOSE, OR OTHERWISE
WHICH EXTEND BEYOND THE DESCRIPTION ON THE FACE HEREOF. UNDER
NO CIRCUMSTANCES SHALL Fire-Lite® BE LIABLE FOR ANY LOSS OF OR
DAMAGE TO PROPERTY, DIRECT, INCIDENTAL OR CONSEQUENTIAL, ARISING
Fire-Lite® PRODUCTS.
OUT OF THE USE OF, OR INABILITY TO USE
®
Fire-Lite
FURTHERMORE,
SHALL NOT BE LIABLE FOR ANY PERSONAL INJURY
OR DEATH WHICH MAY ARISE IN THE COURSE OF, OR AS A RESULT OF,
PERSONAL, COMMERCIAL OR INDUSTRIAL USE OF ITS PRODUCTS.
This warranty replaces all previous warranties and is the only warranty made by FireLite®. No increase or alteration, written or verbal, of the obligation of this warranty is
authorized.
"Fire-Lite" is a registered trademark.

One Fire-Lite Place, Northford, CT 06472
Phone: (203) 484-7161
FAX:
(203) 484-7118

Technical Publishing

Document WARFBG-D.P65 11/04/98

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