User's Manual

12
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Deactivating the EX20 Heat Alarm
When the alarm’s End-of-Life signal occurs, the alarm must be deactivated and
disposed of properly. Be sure and have a replacement alarm available.
To deactivate the alarm, insert a pin or bent
paperclip into the deactivation lock-out hole.
Hold the pin down firmly.
When the switch is fully positioned the word
“OFF” will be exposed.
The switch will lock permanently into place.
The
alarm cannot be reactivated!
After the deactivation switch has been thrown,
all four of the icons will light up. This will
deplete any remaining battery power over a
period of a few hours.
After all four lights have gone out, responsibly dis-
pose of the alarm and replace with a new heat
alarm!
With the pin still pressed firmly in place, slide the
switch in the direction indicated by the arrow in
the drawing.
If the alarm’s End-of-Life signal has begun,
remove the alarm from its bracket.
Locate the slide switch and the deactivation
lock-out hole.
slide
switch
lock-out hole
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