DSC FSA-410 - Installation Manual
Read this instruction sheet thoroughly before installation and use of the
FSA-410 4-Wire Smoke Detector. This instruction sheet is intended to be used
with the Installation Manual of the alarm control panel. All the instructions spec-
ified within that manual must be observed.
The FSA-410 is a 4-wire photoelectric smoke detector with the
following available options: fixed temperature
and rate of rise
heat detector, internal piezoelectric alarm, auxiliary form C
relay, and/or remote LED output. Three versions are available:
US version (UL), Canadian version (ULC) and an International
Heat detection based on rate of rise has not been
investigated by UL/ULC.
Approximately every 7 to 8 seconds the unit tests for a smoke
or heat alarm condition. During this sequence the unit also
performs self diagnostics, and checks for faults. During normal
operation the LED will flash every 50 seconds and the siren will
The smoke detector has a nominal fixed alarm sensitivity (refer
on the last page) and it will go into alarm
when the signal level exceeds the 'alarm' threshold and acti-
vates the alarm relay to send the alarm signal to the control
panel. During an alarm the LED will flash once per second and
the siren will sound the the evacuation temporal pattern.
Remote Alarm - Interconnection
Multiple detectors (with sirens) can be connected using the
PRM-4W Polarity Reversal Module. When a fire alarm occurs,
the panel will signal the PRM-4W to reverse the polarity of the
4-wire loop. This will activate the sirens of all units connected
on the loop. Refer to the PRM-2W/4W Installation Instructions
for installation details.
Smoke - Drift Compensation
The detector automatically compensates for long-term
environmentally induced changes to maintain a constant
smoke sensitivity. When the drift compensation has reached
its high or low limit of adjustment, the detector will go into
the trouble state.
The heat detector will go into alarm when the heat signal
level exceeds the heat alarm threshold (135ºF/57ºC); and
send the alarm signal to the control panel. The detector will
also go into heat alarm if there is a rapid increase in the tem-
perature over a short period of time. During an alarm the LED
will flash once per second and the siren will sound the evac-
uation temporal pattern.
1. Smoke Detector Placement
On smooth ceilings, detectors
may be spaced 9.1M (30 feet)
apart as a guide. Other spacing
may be required depending on
ceiling height, air movement, the
presence of joists, uninsulated
ceilings, etc. Consult National Fire
Alarm Code NFPA 72, Chapter 11
or other appropriate national
standards for installation recommendations.
locate smoke detectors at the top of peaked or
gabled ceilings; the dead air space in these locations may pre-
vent the unit from detecting smoke. Avoid areas with turbu-
lent air flow, (near doors, fans or windows). Rapid air
movement around the detector may prevent smoke from
entering the unit. Do
locate detectors in areas of high
locate detectors in areas where the temperature rises
above 38ºC (100ºF) or falls below 5ºC (41ºF).
FSA-410 Series Smoke Detector
Installation and Operating Instructions
LED / T
Place magnet here
Normal / Sensitivity
in Production Range
Low Power Trouble
Fault / Trouble
Test Switch - Failed
Test Switch - Pass
29006019R008 Install smoke detectors in accordance with NFPA 72,
“Smoke detectors shall be installed outside of
each sleeping area in the immediate vicinity of the bedrooms
and on each additional story of the family living unit, including
basements and excluding crawl spaces and unfinished attics.
In new construction, a smoke detector shall also be installed in
each sleeping room.”
2. Mount Smoke Detector Backplate
Mount backplate using screws
provided and the appropriate holes
on the mounting plate.
Install wiring in accor-
dance with the appropriate
national and local electrical codes.
For UL/ULC Installations, the power
supply must be supplied from a
UL/ULC Listed alarm control unit.
The dust cover pro-
tects the unit when not in service.
Remove dust cover before use.
Refer to the wiring diagrams in this installation sheet and
those provided in the Installation Manual of the alarm control
panel being used with the unit. Before connecting the unit,
prepare the wires from the electrical box for connection; Do
not use frayed or bent wire.
Do NOT use looped wire under terminals for sys-
tem supervision. Break the wire run, to provide supervision of
When wiring is completed, inspect it and correct any errors
before applying power to the unit. When the wiring has been
thoroughly reviewed, neatly insert the wires into the electrical
box and secure the unit to the mounting plate.
To connect this device use only wiring listed as fit for the pur-
Position the detector on to the base plate using the detector
and base plate alignment marks. Press the detector gently in
place while rotating the detector clockwise until the detector
snaps into place. Remove the side tab from the locking tab to
lock in place (optional).
If the side tab is removed to
lock the detector, depress tab with a
small flat blade screwdriver and rotate
detector counter-clockwise until the
alignment marks line up. Remove
5. Test Unit
Initiate test for units without a siren by
placing a magnet near the LED/Test Button for greater than 5
seconds. Initiate test for units with a siren by pressing the test
button for greater than 5 seconds.
Alarm activation is indicated by the LED, the siren, and the
alarm reporting to the control panel. If the smoke detectors
are inter-connected using model PRM-4W and a detector is
tested, then all detectors will sound. The detector restores to
normal when the test button is released or when the magnet
Allow a minimum of 20 seconds between test activa-
If the detector is in one of the following states when a
test is initiated; it will not enter an alarm state.
1. Compensation trouble.
2. Failure of heat or smoke detector.
3. Other internal faults that could prevent a smoke or heat
Smoke sensitivity of installed detectors can be mea-
sured without removal or an alarm being generated using the
FSD-100 Smoke Detector Test Meter
Test Unit with FSD-100 Smoke Detector Test Meter
To test the unit using the FSD-100, set the test meter up to
read devices as per the instructions supplied with the test
instrument. Depress the test button (or place the FSD-100 on
the outside edge of the plastics beside the test button to acti-
vate the reed switch on units without siren) on the smoke
detector for 1 second and release.
If the test button is held for 5 seconds or longer, an
alarm will be generated. Move the test meter over the center
of the detector, wait until you hear the test meter beep,
remove the unit and the information can be immediately
reviewed. Please see the instructions supplied with the FSD-
100 Smoke Detector Test Meter for more information.
6. Compensation Reset
Cleaning, replacement of the smoke sensor, or other changes
may change the background signal/noise of the detector; this
requires the drift compensation be reset. Compensation trou-
ble is one of the faults indicated when the LED indicator is OFF
while the siren is chirping.
• Remove power from the unit, then press and hold the test
button for 30 seconds to power down unit.
• Power up unit while pressing the test button.The LED will
flash; when 5 seconds has elapsed. Release the test button
within 1 second after the fifth LED flash.
• The LED will flash every 8 seconds for 1 minute. When the
detector stops flashing test the detector to verify normal
NO C NC
Optional remote LED must have
a series resistor. Please see
NO NC C
Ta b s
Detector Owner’s Instructions
Fire Safety In The Home
Most fires occur in the home, and to minimize this danger, it is
recommended that a household fire safety audit be con-
ducted and a family escape plan be developed.
Household Fire Safety Audit
1. Are all electrical appliances and outlets in safe condition?
Check for frayed cords, overloaded lighting circuits, etc. If
you are uncertain about the condition of your electrical
appliances or household service, have a professional evalu-
2. Are all flammable liquids safely stored in closed containers,
and in a cool and well ventilated area? Avoid cleaning the
unit with flammable liquids.
3. Are hazardous materials such as matches out of the reach
4. Are furnaces and wood burning appliances properly
installed, clean, and in good working order? If in doubt,
have a professional evaluation.
Family Escape Planning
There is often very little time between the detection of a fire
and the time it becomes deadly. Because of this, it is very
important that a family escape plan be developed and
• Include every family member when developing the escape
• Study the possible escape routes from each location within
the house. Since many fires occur at night, give special
attention to the escape routes from sleeping quarters.
• It is essential that escape from a bedroom be possible with-
out opening the interior door. Consider the following
when making your escape plans:
• Ensure that doors and windows that open to the outside
are easily opened. Ensure that they are not painted shut
and that the locking mechanisms operate smoothly.
• Develop plans for rescue, if opening the exit or using the
exit is too difficult for children, the elderly or handicapped.
This plan includes making sure that those who are to per-
form the rescue can promptly hear the fire warning signal.
• If the exit is above the ground level, provide an approved
fire ladder or rope, as well as training in its use.
• Keep exits on the ground level clear. Be sure to remove
snow from exterior patio doors in the winter and that out-
door furniture or equipment does not block exits.
• Have a predetermined assembly point where everyone can
be accounted for; for example, across the street or at a
• Once everyone is out of the house, call the Fire Depart-
• A good plan emphasizes a quick escape. Do not investi-
gate first or attempt to fight the fire, and do not attempt
to rescue belongings or valuables as this takes up time.
Once outside, do not re-enter the house; wait for the Fire
• Write the plan down and rehearse it frequently so that
should an emergency ever arise, everyone will know what
to do. Revise the plan as conditions change; for example,
when there are more or fewer family members in the
home or if there are changes to the house.
• Make sure your fire warning system is operational by con-
ducting weekly tests. If you are unsure about system oper-
ation, contact your smoke detector installer or dealer.
• DSC recommends that you contact your local Fire Depart-
ment and request further information on home fire safety
and escape planning. If available, have your local fire pre-
vention officer conduct an in-house fire safety inspection.
Testing Your Smoke Detector
Follow the test procedure described here or contact your
smoke detector dealer or installer for testing instructions. DSC
recommends that you test the entire alarm system at least
once a week to verify the operation of all system functions.
Units with Siren - Push-button switch
To test the smoke detector, press and hold the test button on
the front of the unit for a minimum of 5 seconds, the siren ini-
tiates a clicking noise during this time. When the button is
pressed, the unit’s alarm will sound and an alarm will be sent
to the control panel. When the button is released, the alarm
Units without Siren - Magnet-activated switch
To test the smoke detector, place a magnet adjacent to the
test button on the front of the unit (see Fig. 1) and hold in
place for 5 seconds (minimum). When the magnet is in place,
the internal reed switch will activate and an alarm will be sent
to the control panel. When the magnet is removed, the alarm
Upon completing the functional testing of the smoke detec-
tor, check the unit’s sensing chamber to ensure proper opera-
tion. To test the sensing chamber, wave a lit cotton wick or
punk stick around the outside of the unit until a generous
amount of smoke enters the sensing chamber or the unit
alarms. If the smoke detector does not function properly, call
your smoke detector installer or dealer for service.
The smoke detector is designed to require minimum mainte-
nance. If the case becomes dusty, vacuum with a small brush
attachment. If the case is greasy, wipe the case gently with a
soft cloth slightly dampened with soapy water.
Never disassemble the smoke detector; there are no user
serviceable parts inside the unit. Never paint the unit. Paint
may prevent smoke from entering the unit. If you are plan-
ning renovations or repainting, contact your installer and
ask that the unit be temporarily removed until work is com-
If the unit is located in an area where it is exposed to high lev-
els of dust or insects and causes false alarms, it may require
service; contact your smoke detector installer or dealer.
Smoke Detector Family
L = Remote LED output
R = A uxilia
ry Fo r m
S = Sounder
T = Temperature Sensor
FSB-210 X YYYY
A = ULC
B = UL
C = EU
4-Wire Smoke Detector Family
FSA-410A, FSA-410B, FSA-410C NO
Diameter (base) . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.8in (147mm)
Height (including base) . . . . . . . . . . . . . . . . . . . 2.077in (528mm)
Operating Temperature with Heat Detector . 32º-100ºF (0º-37.8ºC)
Humidity . . . . . . . . . . . . . . . . . . . . 5%-93% RH, non-condensing
Operating Voltage Range. . . . . . . . . . . . . . . . . . . . . . . 10-30 VDC
Maximum Standby Current . . . . . . . . . . . . . . 20
A@12 or 24VDC
Maximum Alarm Current . . . . . . . . . . . . . . . . . . . . . .25mA-90mA
Smoke Sensitivity ULC . . . . . . . . . . . . . 2% ± 0.5%/ft obscuration
Smoke Sensitivity UL . . . . . . . . . . . . . . 3% ± 0.8%/ft obscuration
Heat Alarm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135ºF (57ºC)
Siren Alarm Pattern ULC . . . . . . . . . . . . . . . . . . Continuous Beeps
Siren Alarm Pattern UL . . . . . . . . . . . Evacuation Temporal Pattern
Minimum Remote LED Resistance:
12V system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500 Ohm
24V system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1000 Ohm
Maximum Remote LED output (if equipped) . . . . . . . . . . . . 25mA
Auxiliary Relay Rating (Form C Relay) . . . . . 2A @ 30V
Alarm Relay Rating (Form A Relay) . . . . . 2.0A @ 30V
FCC Compliance Statement
CAUTION: Changes or modifications not expressly approved by DSC could void your
authority to use this equipment.
This equipment has been tested and found to comply with the limits for a Class B digital
device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable
protection against harmful interference in a residential installation. This equipment generates,
uses and can radiate radio frequency energy and, if not installed and used in accordance with
the instructions, may cause harmful interference to radio communications. However, there is
no guarantee that interference will not occur in a particular installation. If this equipment does
cause harmful interference to radio or television reception, which can be determined by turn-
ing the equipment off and on, the user is encouraged to try to correct the interference by one
or more of the following measures:
• Re-orient the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver
• Consult the dealer or an experienced radio/television technician for help.
The user may find the following booklet prepared by the FCC useful: “How to Identify and
Resolve Radio/Television Interference Problems”. This booklet is available from the U.S.
Government Printing Office, Washington D.C. 20402, Stock # 004-000-00345-4.
Industry Canada Compliance Statement
This Class B digital apparatus meets all requirements of the Canadian interference-causing
Cet appareil numérique de la Classe B respecte toutes les exigences de règlement sur le maté-
riel brouilleur du Canada.
SOFTWARE PRODUCT LICENSE
The SOFTWARE PRODUCT is protected by copyright laws and international copyright treaties, as well as other intellec-
tual property laws and treaties. The SOFTWARE PRODUCT is licensed, not sold.
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concurrently on or from different computers, including a workstation, terminal or other digital electronic device
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where the SOFTWARE will be used.
(c) Backup Copy
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license installed at any given time. You may use the back-up copy solely for archival purposes. Except as expressly pro-
vided in this EULA, You may not otherwise make copies of the SOFTWARE PRODUCT, including the printed materials
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PRODUCT is licensed with the HARDWARE as a single integrated product. In this case, the SOFTWARE PRODUCT
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7. LIMITED WARRANTY
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non-DSC-SOFTWARE or HARDWARE PRODUCTS.
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ILITIES ON THE PART OF DSC. DSC MAKES NO
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RRANTY - UNDER NO CIRCUMSTANCES SHALL DSC
BE LIABLE FOR ANY SPECIAL, INCIDENTAL, CONSEQUENTIAL OR INDIRECT DAMAGES BASED UPON
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LEGAL THEORY. SUCH DAMAGES INCLUDE, BUT ARE NOT LIMITED TO, LOSS OF PROFITS, LOSS OF
THE SOFTWARE PRODUCT OR ANY ASSOCIATED EQUIPMENT, COST OF CAPITAL, COST OF SUBSTI-
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THE CLAIMS OF THIRD PARTIES, INCLUDING CUSTOMERS, AND INJURY TO PROPERTY. WARNING
DSC recommends that the entire system be completely tested on a regular basis. However, despite frequent testing, and
due to, but not limited to, criminal tampering or electrical disruption, it is possible for this SOFTWARE PRODUCT to fail
to perform as expected.
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Tech Support: 1-800-387-3630 (Canada & USA) or 905-760-3000
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Point type smoke and