ESL 511/518 Series
Smoke Detector
Installation Instructions
U
L
LISTED
Description
The ESL 511/518 Series Smoke Detector is a two-wire
detector designed for use with a 24VDC fire system.
Refer to ESLs Compatibility Index for a complete listing
of compatible control panels. For a copy of the
Compatibility Index, call 1-800-648-7424.
WARNING
!
It is important that you read, understand, and follow
the instructions in this guide. If you have questions,
call Sentrol at 1-800-648-7424.
This document is intended for licensed electricians/
alarm installers. Sentrol cannot provide technical
support to unqualified persons.
Failure to properly install, test, and maintain a
smoke detector system may cause it to fail resulting
in loss of life and/or property.
Figure 1 - Detector/Base Lock Knockouts
Locate wall-mounted smoke detectors so the top of the
detector is 4 to 12 inches below the ceiling.
DO NOT locate detectors in or near bathrooms or
kitchens.
The detector provides the following features:
Detector/base lock discourages unauthorized removal of
the detector by requiring a screwdriver to remove the
detector from the base.
Mounting base mounts directly to standard single-gang, 3inch round or 4-inch octagonal electrical boxes. Can also
be mounted directly to walls and ceilings if the local
authority having jurisdiction allows.
Selecting a Location
Selecting a suitable location is critical to the operation of
smoke detectors. This equipment should be installed in
accordance with the National Fire Protection Associations
(NFPA) Standard 72.
Important: Regulations pertaining to detector installation
vary from state to state. For more information, contact
your local fire department or local authority having jurisdiction.
In addition to NFPA 72, use the following location guidelines to optimize performance and reduce the chance of
false alarms from the detector:
Locate ceiling-mounted smoke detectors in the center of
a room or hallway at least 4 inches from any walls or
partitions.
Locate in a suitable environment as follows:
- Temperature between 32°F (0°C) and 100°F (37.8°C)
- Humidity between 0 and 95% non-condensing
Locate away from air conditioners, heating registers and
any other ventilation source that may interfere with
smoke entering the detector.
Mount smoke detectors on a firm permanent surface.
Installing the Detector
All wiring must conform to the National Electric Code
(NEC) and/or local codes having jurisdiction. Use 12 to
24 AWG wire to install the detector.
1. If you are using the detector/base lock, remove the
detector knockout and break off the tab on the mounting
base. See Figure 1.
2. Remove the red plastic dust cover from the detector.
The detector is shipped with a dust cover for protection
on construction sites with dusty environments.
3. Run system wiring to the detector location and mount
electrical boxes if necessary.
4. Line up and attach the gasket and mounting base to the
electrical box, wall, or ceiling using the screws provided. Use the wall anchors if necessary. See Figure 2.
5. Strip the system wires and connect them to the appropriate terminals on the detector. See Figure 3.
1
Detector
UL Listed control panel
Mounting base
Figure 2 - Mounting the Detector
Gasket
2-wire
initiating
circuit
+
_
Figure 3 - Wiring Diagram
6. Attach the detector to the mounting base as follows:
- Line up the raised tab on the side of the detector with
the arrow on the mounting base. See Figure 4.
- Insert the smoke detector into the base and turn
clockwise approximately 15 degrees. It should snap
firmly into place.
7. Apply power.
8. Test the detector. See Smoke Testing the
Detector.
Important: The control panel alarm and all auxiliary
functions should be verified for a complete test of the
system.
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device
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detector
Smoke Testing the Detector
Smoke detectors should be tested in place annually using
smoke or canned aerosol simulated smoke. Follow the
instructions on the canned smoke or use the following
steps to test the detector with smoke:
1. Hold a smoldering punk or cotton wick close to the
smoke entry openings.
2. Gently direct the smoke into the detector for 20 seconds
or until an alarm is indicated.
BE SURE TO PROPERLY EXTINGUISH THE SMOKE
SOURCE AFTER TESTING! The detector LED should
stay on and an alarm should be indicated at the control
panel. Use the system reset switch to reset the detector.
Figure 4- Attaching Detector to Base
Understanding the LED
The LED on the detector indicates the status of the detector
as follows:
Flashing every 9 seconds = Normal operation.
On = Detects smoke, sending an alarm.
Off or flashing once every 1.5 seconds = Trouble or
maintenance is required. Test the detector. See Testing the
Detector Sensitivity.
2
Testing the Detector Sensitivity
The detector provides a sensitivity test that allows you to
check the detector sensitivity using a test magnet and the
LED indicator on the detector as follows:
1. Hold the test magnet up to the raised TEST letters on
the top of the detector for 2 seconds. See Figure 5.
Once the test starts, the alarm LED flashes one to nine
times.
2. Count the number of times the LED flashes and use the
following table to determine the status of the detector
sensitivity and what action to take, if any.
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After the test:
If the sensitivity is within limits and all other tests pass,
the detector goes into alarm and must be reset from the
control panel.
If the sensitivity is not within limits or an unserviceable
hardware fault has been detected, the detector LED
flashes every 1.5 seconds until the detector is serviced.
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Figure 5 - Test Magnet Placement
Attaching and Removing the Detector
To remove the detector from the mounting base, grasp
the detector and turn it counterclockwise approximately 15
degrees. The detector should snap off of the mounting
base.
To remove the detector from the mounting base when
the detector/base lock is used, insert a small screwdriver
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into the locking tab slot on the side of the base and press in
while simultaneously turning the detector counterclockwise
15 degrees. See Figure 6.
Attach the smoke detector to its mounting base as
follows:
- Line up the raised tab on the side of the detector with the
arrow on the mounting base. See Figure 4.
- Insert the smoke detector into the base and turn
clockwise approximately 15 degrees. It should snap
firmly into place.
Figure 6 - Unlocking the Detector
3
Cleaning the Detector
SQUEEZE
HERE
Optical
chamber
Cap
Optical
chamber
base
Clean the detector cover with a dry or damp (water) cloth as
needed to keep it free from dust and dirt.
When necessary, clean the detector interior and replace the
optical chamber as follows:
1. Disconnect the alarm notification appliances, service
release devices and extinguishing systems.
Screwdriver slot
2. Slide a flat-blade screwdriver into the slot on the detector
cap and gently push the handle down to pry the cap up
and off. See Figure 7.
3. Press in on the sides of the optical chamber and pull it up
and away from the detector and discard. See Figure 8.
4. Use a vacuum to remove dust and dirt from the optical
chamber base.
5. Line the new optical chamber up with the optical chamber
base and snap it down into place.
6. Replace the detector cap as follows:
-Line the tabs on the cap with the slots on the detector.
-Insert the cap into the smoke detector and turn
clockwise approximately 15 degrees. It should
snap firmly into place.
7. Test the detector sensitivity (See Testing the Detector
Sensitivity).
8. Reconnect all alarm notification appliances, service
release devices and extinguishing systems.
Important: The control panel alarm and all auxiliary
functions should be verified for a complete test of the
system.
Figure 7 - Removing the Detector Cap
Detector
Cap
Maintaining the Detector
The 511/518 Series smoke detectors are designed for
easy field service and maintenance. When installed and
used properly, they require minimal maintenance.
The smoke detector should be tested weekly. See
Testing the Detector Sensitivity and Smoke Testing the
Detector.
Figure 8 - Removing the Optical Chamber
4
WARNING
!
Smoke detectors MAY NOT provide early warning
for fires resulting from explosions, smoking in bed
or other furniture, ignition of flammable liquids,
vapors and gases, or children playing with matches
or lighters.
Limited Warranty
ESL is a brand name of Sentrol. The manufacturer warrants this smoke detector to be free from defects in material
and workmanship under conditions of normal use for a
term of 3 years from the date of manufacture.
During the warranty period, if a Sentrol product or any of
its components becomes defective, it will be repaired or
replaced without charge.
Out-of-warranty units will be repaired at the discretion of
the manufacturer, if not, a card will be forwarded to the
customer suggesting a replacement unit and the cost of that
unit.
This warranty does not apply to units which have been
subject to environmental damage, abuse, misuse, negligence or accident, or to which any modifications, alterations or repairs have been made or attempted.
This warranty is extended only to the original purchaser of
the smoke detector and may be enforced only by such
person. During the warranty period, if the detector or any
warranted components thereof becomes defective, at the
manufacturers discretion, it will be replaced or repaired
without charge if returned in accordance with the following
instructions:
TIES OF MERCHANTABILITY AND FITNESS FOR A
PARTICULAR PURPOSE ARE LIMITED IN DURATION
FOR A PERIOD OF 3 YEARS FROM THE DATE OF
MANUFACTURE. UNDER NO CIRCUMSTANCES
SHALL MANUFACTURER BE LIABLE TO THE PURCHASER OR ANY OTHER PERSON FOR INCIDENTAL
OR CONSEQUENTIAL DAMAGES OF ANY NATURE,
INCLUDING WITHOUT LIMITATION DAMAGES FOR
PERSONAL INJURY OR DAMAGES TO PROPERTY,
AND HOWEVER OCCASIONED, WHETHER ALLEGED AS RESULTING FROM BREACH OF WARRANTY BY MANUFACTURER, THE NEGLIGENCE OF
MANUFACTURER OR OTHERWISE.
MANUFACTURERS LIABILITY WILL IN NO EVENT
EXCEED THE PURCHASE PRICE OF THE PRODUCT.
SOME STATES DO NOT ALLOW LIMITATIONS ON
HOW LONG AN IMPLIED WARRANTY LASTS, OR
THE EXCLUSION OR LIMITATION OF INCIDENTAL
OR CONSEQUENTIAL DAMAGES, SO THE ABOVE
LIMITATIONS AND EXCLUSIONS MAY NOT APPLY
TO YOU. UNLESS A LONGER PERIOD IS REQUIRED
BY APPLICABLE LAW, ANY ACTION AGAINST
MANUFACTURER IN CONNECTION WITH THIS
SMOKE DETECTOR MUST BE COMMENCED
WITHIN ONE YEAR AFTER THE CAUSE OF ACTION
HAS OCCURRED.
No agent, employee or representative of the Manufacturer
nor any other person is authorized to modify this warranty
in any respect. Repair or replacement as stated above is the
exclusive remedy of the purchase hereunder. This warranty
gives you specific legal rights and you also have other
rights which vary from state to state.
Obtain a Return Authorization Number by calling 1-800648-7422 or 503-692-4052, then carefully pack it in a well
padded and insulated carton and return, postal charges
prepaid to:
Customer Service
Sentrol
12345 SW Leveton Drive
Tualatin, OR 97062-9938
A note should be included advising the nature of the
malfunction. Care must be exercised in the proper packing
of detectors returned under this warranty as Sentrol will not
be responsible for warranty repairs to equipment damaged
because of improper packing.
THE ABOVE WARRANTY IS IN LIEU OF ALL OTHER
EXPRESS WARRANTIES, AND IMPLIED WARRAN-
5
Specifications
Voltage................24VDC (8.5 - 33VDC), polarity sensitive
Maximum standby current ......................................... 70uA
Maximum alarm current ........................................... 70mA
Minimum reset time......................................................1 sec
Photoelectric sensitivity...........................3.1% +0.5% -1%
Operating temperature .........................32°-100°F (0°-37.8°C)
Operating humidity......................... 0-95% non-condensing
Color ...........................................................................white
Packaging........................................ 10 detectors per carton
Detector dimensions....................... 5" x 2" (12 cm x 5 cm)
Base dimensions ................4.75" x 0.3" (12.5 cm x 0.8 cm)
Drift compensation adjustment ........................ 1%/ft. max.
Heat detector specifications:
Rate of rise............15°F/min>105°F (8.3°C/min>40.6°C)
Field wiring size.................................................12-24AWG
Listings:
511C/511AFT.......................................................UL 268
518C/518AFT...........................................................ULC
UL Compatibility identifier..........................................S10A
Product Ordering
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ESL
a product of sentrol
SENTROL
12345 SW Leveton Dr., Tualatin, OR 97062
Tel.: 503.692.4052 Fax: 503.691.7566
http://www.sentrol.com
U.S. & Canada: 800.547.2556
Technical Service: 800.648.7424
FaxBack: 1.800.483.2495
6
Sentrol reserves the right
to change specifications
without notice.
© 2000 Sentrol
1032551 RevA 02/00
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