User's Manual
5
ESL Universal Wireless Smoke Alarm/Detector
Replacing the Batteries
Use only 3V lithium batteries listed in Specifications in the
alarm/detector.
1. Remove the alarm/detector from the mounting base. See
Attaching and Removing the Alarm/Detector.
2. Slide the battery compartment cover away from the alarm/
detector to unsnap it and lift it off. See Figure 3.
3. Remove the batteries and dispose of properly.
4. Observing correct polarity, insert two new 3V lithium
batteries into the battery compartment and replace the
cover.
5. Reattach the alarm/detector to the mounting base. See
Attaching and Removing the Alarm/Detector.
6. Test the system.
Cleaning the Alarm/Detector
Clean the alarm/detector cover with a dry or damp (water)
cloth as needed to keep it free from dust and dirt.
When necessary, clean the alarm/detector interior and
replace the smoke chamber as follows:
1. Disconnect the alarm notification appliances, service
release devices and extinguishing systems.
2. Remove the alarm/detector from its mounting base. See
Attaching and Removing the Alarm/Detector.
3. Remove the batteries. See Replacing the Batteries.
4. Slide a flat-blade screwdriver in the slot on the alarm/
detector cap and gently push the handle down to pry the
alarm/detector cap up and off. See Figure 4.
5. Press in on the sides of the field replaceable optical
chamber and pull it up and away from the optical base
and discard. See Figure 5.
6. Blow out or use a soft-bristled brush to remove all dust
and dirt from the optical base.
7. Line the new field replaceable optical chamber up with
the optical base and snap into place both sides of the
optical chamber.
8. Replace the alarm/detector cap as follows:
-Line the alarm/detector cap up with the smoke alarm/
detector.
-Insert the alarm/detector cap into the smoke alarm/
detector and turn clockwise approximately 15 degrees. It
should snap firmly into place.
9. Observing the proper polarity, put the batteries back
in the alarm/detector and replace the battery
compartment cover.
Smoke
chamber latch
Optical base
Figure 5 - Alarm/Detector Parts
10.Reattach the alarm/detector to its mounting base. See
Attaching and Removing the Alarm/Detector.
11.Test the alarm/detector sensitivity and reconnect all
alarm notification appliances, service release devices and
extinguishing systems. See Testing the Alarm/Detector
Sensitivity.
The control panel alarm and all auxiliary functions should be
verified for a complete test of the system.
Maintaining the Alarm/Detector
The ESL Universal Wireless Series smoke alarms/detectors
are designed for easy field service and maintenance.
When installed and used properly, they require
minimal maintenance.
The smoke alarm/detector should be tested weekly. See
Testing the Alarm/Detector Sensitivity and Smoke Testing
the Alarm/Detector.
When the alarm/detector requires maintenance, it extin-
guishes its LED and sends a signal to the control panel as
described in the following table.
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langiselbuorT.purewoptatsetflesdeliafrotceted/mralA
eeS.tsetytivitisnesamrofreP ehtgnitseT
ytivitisneSrotceteD/mralA melborpehtfI.
.rotceted/mralaehtecalper,stsisrep
fotuosiytivitisnesrotceted/mralaekomS
.gninaelcsdeenrotceted/mralaehtdnaegnar
eeS rotceteD/mralAehtgninaelC .
yrettabwoLecalpeR.wolerarotceted/mralaehtniseirettaB
.seirettabeht
Important !
S
Q
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E
E
Z
E
H
E
R
E
Alarm/Detector cap
Optical chamber
Indentation