TSD-90A Smoke Detector
TSD-90A
SUPERVISED
DIGITAL SMOKE
ALARM
DESCRIPTION T h e T S D - 9 0A i s a hi g h q ua l i t y,
photoelectric smoke alarm with a built-in supervised
digitally-coded radio transmitter. The TSD-90A is supervised
to monitor alarms, restorals, low battery, status, tamper, and
test conditions. The TSD-90A transmitter is compatible
with any Linear SX format supervised security receiver.
SX
FORMAT!
The TSD-90A sounds a local alarm as soon as smoke is
detected. Twenty seconds after the local alarm sounds, the
TSD-90A’s transmitter will send an alarm signal to the
supervised receiver. The alarm signal will be repeated every
20 seconds as long as smoke is still present. A restoral report
will be sent when the smoke detection chamber clears.
Installation Instructions
Coding switches are not required or used in the TSD-90A.
Each transmitter is pre-coded at the factory to a unique code.
With the SX format, there are more than sixteen million codes
possible.
The smoke alarm and transmitter are powered by two 9-volt
batteries. These batteries are supplied with the transmitter
and can power the unit for up to two years. If the battery
voltage drops below a preset level, a low battery report is sent
to the receiver with any status, alarm, tamper or test
transmission.
NOTE: After replacing batteries, press transmitter test button
to reset “low battery circuit”.
Supervisory status reports are sent from the TSD-90A every
hour.
(760) 438-7000 • FAX (760) 438-7043
USA & Canada (800) 421-1587 & (800) 392-0123
Toll Free FAX (800) 468-1340
STEP 1
Remove mounting plate. Remove the TSD-90A
mounting plate by turning the plate counterclockwise.
TWIST MOUNTING
PLATE TO
UNLOCK
INSTR,INST,TSD-90A
Linear P/N: 208449 E
Material: 20 Lb. Mead Bond
Ink: Black
Size: 8.500" x 11.000"
Front Side 1 of 2
Scale: 1-1
REMOVE
MOUNTING
PLATE
STEP 2 Identify components. Examine the TSD-90A to
identify the component locations.
TRANSMIT LED
TRANSMITTER
BOARD
TRANSMITTER
TEST BUTTON
C O
IN S
9 -V
M N
O R
L IT
M U
BATTERY
COMPARTMENTS
STEP 4 Pick smoke alarm location. Referring to the
NFPA standard on the back of this sheet, select a good
location to mount the TSD-90A. Mounting the TSD-90A on
foil-backed wallpaper or on a metal single-gang electrical
box is not recommended because the radio range will be
reduced.
D IN IN G
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STEP 5
Install mounting plate. Use the two screws and
anchors provided to attach the mounting plate to the wall or
ceiling. Alternately, the mounting plate can be attached to a
plastic single-gang electrical outlet box. For the best radio range,
observe the “best signal” label on the bottom of the unit.
SCREW
ANCHORS
FOR WALLBOARD
OR
B E D R O O M
STEP 3 Install batteries. Connect the two 9-volt batteries
and place them into battery holding cups.
N N E C T A N
T A L L T W O
O L T D U R A
1 6 0 4 A L K A
T W O U L T R
H IU M B A T T
S T B E T H E
D
C E
L IN
A L
E R
S A
L L
E
IF E U 9 V L
IE S (B O T H
M E T Y P E )
STEP 6 Program TSD-90A into receiver and test. Follow
the receiver’s instructions to set it in a program or learn mode.
Press the TSD-90A’s transmitter test button (not the smoke
alarm’s test button) to send a test signal. The transmit LED
should light. Verify that the signal was received and that the
transmitter was properly entered into the receiver’s memory.
PRESS TEST
BUTTON
PLASTIC
SINGLE-GANG
ELECTRICAL
BOX
STEP 7 Attach TSD-90A to mounting plate. Match up
alignment tabs on alarm and plate. Turn alarm clockwise until
it locks in place (tamper switch will click as alarm locks onto
plate).
STEP 8
Test smoke alarm. Set the receiver into a test
mode. Press and hold the smoke alarm test button. Continue
to hold the test button for at least 30 seconds after the
noisemaker starts. Verify that the signal was received.
M A T C H U P
A L IG N M E N T
T A B S
T W IS
A L A R
T O L
P L A T
H O
A T
A F
S T
A L
T S M O K E
M C L O C K W IS E
O C K T O M O U N T IN G
E
NFPA 72 STANDARD FOR SMOKE ALARM LOCATION
The TSD-90A should be installed in accordance with National Fire Protection Association
(NFPA) Standard 72, which reads as follows:
Smoke alarms shall be installed outside of each separate sleeping area in the
2-1.1.1
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 alarm shall be installed in each sleeping room.
For family living units with one or more split levels (i.e., adjacent levels with less
2-1.1.2
than one full story separation between levels), a smoke alarm required by 2-1.1.1 shall suffice
for an adjacent lower level, including basements. (Exception: Where there is an intervening
door between one level and the adjacent lower level, a smoke alarm shall be installed on the
lower level.)
Ceiling mounted smoke alarms should be located in the center of the room or hall, or not
less than 4 inches from any wall. When the alarm is mounted on a wall, the top of the
alarm should be 4 to 12 inches from the ceiling.
Do not install smoke alarms where normal ambient temperatures are above 100°F
(37.8°C), or below 40°F (4°C). Also, do not locate alarm in front of air conditioners, heating
registers, or other locations where normal air circulation will keep smoke from entering
the detector.
Smoke Detection - Are More Smoke Alarms Desirable? The required number
A-2.5.2.1
of smoke alarms might not provide reliable early warning protection for those areas separated
by a door from the areas protected by the required smoke alarms. For this reason, it is
recommended that the householder consider the use of additional smoke alarms for those
areas for increased protection. The additional areas include the basement, bedrooms, dining
room, furnace room, utility room, and hallways not protected by the required smoke alarms.
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Complete receiver programming. Refer to the
instructions supplied with the supervised receiver to program
the TSD-90A as a 24-hour fire alarm. Repeat the previous step
to verify that the TSD-90A triggers the correct zone on the
receiver and that the correct report is sent to the central station
(if the system is monitored).
R
N D S
E R
A N
S IO N
The installation of smoke alarms in kitchens, attics (furnished or unfurnished), or garages is
not normally recommended, as these locations occasionally experience conditions that can
result in improper operation.
FIRE PREVENTION AND ESCAPE
The purpose of an early warning smoke alarm is to detect the presence of fire in its early
stages, and sound an alarm giving the occupants more time to exit the premise before the
smoke reaches a dangerous concentration level.
Fires start even with the best of housekeeping and fire prevention procedures. Fire is an
unexpected event. Early warning detection alerts occupants in time to act.
KNOW FIRE HAZARDS. No detection device can protect life in all situations. Therefore,
safeguards should be taken to avoid such potentially dangerous situations as: smoking in
bed, leaving children home alone, cleaning with flammable liquids such as gasoline.
The best fire protection is minimizing fire hazards through proper storage of materials and
general good housekeeping techniques. A cluttered basement, attic, or other storage area is
an open invitation to fire.
Careless use of combustible materials and electrical appliances, or overloading of electrical
outlets are other prime causes in starting fires.
It is most important that explosive and/or fast burning materials be eliminated from the home,
if at all possible.
Even after proper precautions have been taken, fires can start. Be prepared.
IN CASE OF FIRE. Leave immediately. Don’t stop to pack or search for valuables. In heavy
smoke, hold your breath and stay low - crawl if necessary. The clearest air is usually at the
floor.
If you have to go through a closed door, carefully feel the door and door knob to see if undue
heat is present. If they seem relatively cool, brace your foot against the bottom of the door
with your hip against the door and one hand against the top edge. Open it slightly. If a rush
of hot air is felt, slam the door quickly and latch it. Unvented fire tends to build up considerable
pressure. Be sure all the household realizes and understands this danger.
Use your neighbor’s phone or a street fire alarm box. The job of extinguishing the fire should
be left to the professionals. Too many unforeseen things can occur when inexperienced
people try to extinguish a fire.
BE PREPARED. Perform fire drills regularly. Use them to assure recognition of an alarm
signal. For your protection, simulate different circumstances (smoke in hall, in living room,
etc.). Then have everyone react to the situation.
Draw a floor plan and show two exits from each room. Frequently a knotted rope or ladder
from a window will serve this purpose. It is important that children be instructed carefully,
because they tend to hide in times of crisis.
It is imperative that one meeting place outside the home be established. You should insist
that everyone meet there during an alarm. This will eliminate the tragedy of someone
reentering the house for a missing member who is actually safe.
If you have children and/or invalids residing in your household, you can help your fire
department. Most fire departments have window decals available for use in children’s or
invalid’s bedrooms. Properly used, these decals will quickly identify sleeping quarters of these
individuals and show the fire department where to look first for members of your household.
Additional information on Household Fire Warning is available at nominal cost from: The
National Fire Protection Association, Batterymarch Park, Quincy, MA 02269. Request
Standard No. NFPA 72.
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LINEAR LIMITED WARRANTY
D IN IN G
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B E D R O O M
B E D R O O M
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H A L L
This Linear product is warranted against defects in material and workmanship for twelve (12) months. The
Warranty Expiration Date is labeled on the product. This warranty extends only to wholesale customers who
buy direct from Linear or through Linear’s normal distribution channels. Linear does not warrant this product
to consumers. Consumers should inquire from their selling dealer as to the nature of the dealer’s warranty, if
any. There are no obligations or liabilities on the part of Linear corporation for consequential damages
arising out of or in connection with use or performance of this product or other indirect damages with
respect to loss of property, revenue, or profit, or cost of removal, installation, or reinstallation. All implied
warranties, including implied warranties for merchantability and implied warranties for fitness, are valid only until
Warranty Expiration Date as labeled on the product. This Linear Corporation Warranty is in lieu of all other
warranties express or implied.
All products returned for warranty service require a Return Product Authorization Number (RPA#). Contact
Linear Technical Services at 1-800-421-1587 for an RPA# and other important details.
R E C R E A T IO N R O O M
B E D R O O M
A s m o k e a la r m s h o u ld b e
lo c a te d b e tw e e n th e s le e p in g a r e a
a n d th e r e s t o f th e fa m ily liv in g u n it.
B A S E M E N T
D IN IN G
T V
R O O M
B E D R O O M
K IT C H E N
B E D R O O M
L IV IN G
R O O M
B E D R O O M
S M O K E
A L A R M S
In fa m
th a n o
a la r m
p ro te c
ily
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d R e c r e a tio n R o o
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IMPORTANT !!!
B E D
R O O M
liv in g u n its w ith m o r e
s le e p in g a r e a , a s m o k e
o u ld b e p r o v id e d to
a c h .
L IV IN G
R O O M
H A L L
INSTR,INST,TSD-90A
Linear P/N: 208449 E
Material: 20 Lb. Mead Bond
Ink: Black
Size: 8.500" x 11.000"
Back Side 2 of 2
Scale: 1-1
P R E S S A N D H O L D
A L A R M T E S T
B U T T O N
STEP 9
B E D
R O O M
D IN IN G
R O O M
B A S E M E N T
A s m o k e a la r m s h o u ld b e
lo c a te d o n e a c h s to r y .
Linear radio controls provide a reliable communications link and fill an important need in portable wireless
signalling. However, there are some limitations which must be observed.
✶ For U.S. installations only: The radios are required to comply with FCC Rules and Regulations as Part 15
devices. As such, they have limited transmitter power and therefore limited range.
✶ A receiver cannot respond to more than one transmitted signal at a time and may be blocked by radio signals
that occur on or near their operating frequencies, regardless of code settings.
✶ Changes or modifications to the device may void FCC compliance.
✶ Infrequently used radio links should be tested regularly to protect against undetected interference or fault.
✶ A general knowledge of radio and its vagaries should be gained prior to acting as a wholesale distributor or
dealer, and these facts should be communicated to the ultimate users.
Copyright © 1999 Linear Corporation
Issue Date 4/99 208449 E
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