Specifications
• Diameter (base): 5.8in (147mm)
• Height (including base): 2.077in (528mm)
• Alarm Sensitivity (threshold) UL: 3.0±0.8%/ft obscuration, ULC:
2.0±0.5 %/ft obscuration
• Alarm Sensitivity (threshold) EU: complies with EN54-7
• Warning threshold: 75% of alarm threshold for 120 seconds
• Heat Alarm: 135ºF (57ºC)
• Supervisory Transmission Frequency UL, ULC: 64 minute intervals
• Supervisory Transmission Frequency EU: 12 minute intervals
• Sounder Alarm Pattern UL, EU: evacuation temporal pattern
• Sounder Alarm Pattern ULC: continuous beeps
• Operating Temperature: 32º-100ºF (0º-37.8ºC)
• Humidity: 5%-95% RH, non-condensing
• Batteries (2) CR123A
• Low Battery Detection Low battery 14 days remaining
• Approved Batteries: Panasonic CR123A, Sanyo CR123A and Dura-
cell DL123A
Alarm Indications
This product has been approved by the California State of Fire Marshal (CSFM) pur-
suant to section 13144.1 of the California Health and Safety Code. See CSFM Listing
No. 7272-1273:125 for allowable values and/or conditions for use concerning material
presented in this document. The approval is subject to reexamination, revision and
possible cancellation.
Limited Warranty
Digital Security Controls Ltd. warrants that for a period of twelve months from the date of purchase, the
product shall be free of defects in materials and workmanship under normal use and that in fulfillment of any
breach of such warranty, Digital Security Controls Ltd. shall, at its option, repair or replace the defective
equipment upon return of the equipment to its repair depot. This warranty applies only to defects in parts and
workmanship and not to damage incurred in shipping or handling, or damage due to causes beyond the con-
trol of Digital Security Controls Ltd. such as lightning, excessive voltage, mechanical shock, water damage,
or damage arising out of abuse, alteration or improper application of the equipment.
The foregoing warranty shall apply only to the original buyer, and is and shall be in lieu of any and all other
warranties, whether expressed or implied and of all other obligations or liabilities on the part of Digital Secu-
rity Controls Ltd. Digital Security Controls Ltd. neither assumes responsibility nor authorizes any other per-
son purporting to act on its behalf to modify or to change this warranty, nor to assume for it any other
warranty or liability concerning this product.
In no event shall Digital Security Controls Ltd. be liable for any direct, indirect or consequential damages,
loss of anticipated profits, loss of time or any other losses incurred by the buyer in connection with the pur-
chase, installation or operation or failure of this product.
Smoke Detectors: Smoke detectors that are a part of this system may not properly alert occupants of a fire
for a number of reasons, some of which follow. The smoke detectors may have been improperly installed or
positioned. Smoke may not be able to reach the smoke detectors, such as when the fire is in a chimney, walls
or roofs, or on the other side of closed doors. Smoke detectors may not detect smoke from fires on another
level of the residence or building.
Every fire is different in the amount of smoke produced and the rate of burning. Smoke detectors cannot
sense all types of fires equally well. Smoke detectors may not provide timely warning of fires caused by care-
lessness or safety hazards such as smoking in bed, violent explosions, escaping gas, improper storage of flam-
mable materials, overloaded electrical circuits, children playing with matches or arson.
Even if the smoke detector operates as intended, there may be circumstances when there is insufficient warn-
ing to allow all occupants to escape in time to avoid injury or death.
Warning: Digital Security Controls Ltd. recommends that the entire system be completely tested on a regu-
lar basis. However, despite frequent testing, and due to, but not limited to, criminal tampering or electrical
disruption, it is possible for this product to fail to perform as expected.
Important Information: Changes or modifications not expressly approved by Digital Security Controls
Ltd. could void the user’s authority to operate this equipment.
FCC Compliance Statement
CAUTION: Changes or modifications not expressly approved by DSC could void your authority to use this
equipment.
This equipment generates and uses radio frequency energy and if not installed and used properly, in strict
accordance with the manufacturer’s instructions, may cause interference to radio and television reception. It
has been type tested and found to comply with the limits for Class B device in accordance with the specifica-
tions in Subpart “B” of Part 15 of FCC Rules, which are designed to provide reasonable protection against
such interference in any residential installation. However, there is no guarantee that interference will not
occur in a particular installation. If this equipment does cause interference to television or radio reception,
which can be determined by turning 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
• Relocate the alarm control with respect to the receiver
• Move the alarm control away from the receiver
• Connect the alarm control into a different outlet so that alarm control and receiver are on different circuits.
If necessary, the user should consult the dealer or an experienced radio/television technician for additional
suggestions. The user may find the following booklet prepared by the FCC helpful: “How to Identify and
Resolve Radio/Television Interference Problems”. This booklet is available from the U.S. Government Print-
ing Office, Washington, D.C. 20402, Stock # 004-000-00345-4.
Industry Canada Compliance Statement: This Class B digital apparatus meets all requirements of the Cana-
dian interference-causing equipment regulations.
Cet appareil numérique de la Classe B respecte toutes les exigences de règlement sur le matériel brouilleur du
Canada.
IC:160A - WLS916NB
The term "IC:" before the radio certification number only signifies that Industry Canada technical specifica-
tions were met.
Condition LED Sounder Transmission
Normal Flash 1/50s OFF Supervisory
Alarm Smoke Flash 1/1s Temporal or
Steady
Alarm
Alarm Heat Flash 1/1s Temporal or
Steady
Alarm
Early Warning
Smoke
Flash 1/50s CHIRP None
Compensation
Trouble High
OFF CHIRP Trouble
Compensation
Trouble Low
OFF CHIRP Trouble
Sensor/
Internal Fault
OFF CHIRP Trouble
Low Battery
0 - 7 days
Flash 1/50s OFF Low Battery
Low Battery
0 - 7 days & Test or
Alarm
Flash 1/50s CHIRP Low Battery
Low Battery After
7 days
Flash 1/50s CHIRP Low Battery
Tamper Flash 1/50s OFF Tamper
©2003 Digital Security Controls Ltd.
Toronto, Canada • www.dsc.com
Tech Support: 1-800-387-3630, 905-760-3036
Printed in Canada
Direct all comments concerning this publication to pubs@dscltd.c om
1175
DSC Ltd. Toronto, Canada
2003
1175-CPD-001
29034617R005
EN54-5 (2000) Class A1
EN54-7 (2000)
Point type smoke and heat detector
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