28
Smoke
Detectors
WLS906-433
The WLS906-433 requires six Eveready Energizer AA
batteries. To replace the batteries, remove the detector
from the mounting plate by pushing the locking tab
and turning the detector counter-clockwise.
Hold the unit with the battery compartment facing
you, and the imprinted wording right-side up. Install
the first two batteries in the row nearest to you, with
the + terminals facing left. Next, install the middle two
batteries with the + terminals facing to the right. Place
your thumb over the centre of these four batteries to
keep them in place. Install the last two batteries, with
their + terminals facing to the left, by snapping them past the nylon retainer.
Wireless Keys
WLS919-433
The WLS919 wireless key requires two lithium CR2032 batter-
ies. To replace the batteries, open the key’s plastic housing by
inserting a flathead screwdriver along the side of the unit;
carefully twist the screwdriver to separate the top and bottom
plastic. Remove the old batteries. Insert the new batteries
according to the diagram at right and reassemble the key’s plastic housing.
NOTE:
The polarity of the batteries must be observed.
After
Installing
New Batteries
After you change the batteries on your system, the system may announce trouble
conditions. A zone tamper should be displayed for each detector that had batter-
ies changed. A zone fault may also be displayed and announced for these detec-
tors. Refer to
Checking Trouble Conditions
on page 19 for information on
checking Zone Faults and Zone Tampers.
Be sure to perform a complete test of your system after new batteries are installed
to ensure that all detectors are working properly (see
Testing Your System
on
page 20).
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