• In dusty areas. Dust particles may cause nuisance alarm or failure
to alarm.
• In very humid areas. Moisture or steam can cause nuisance
alarms.
• In insect-infested areas.
• Smoke alarms should not be installed within 3 ft (.9m) of the
following: the door to a kitchen, the door to a bathroom con-
taining a tub or shower, forced air supply ducts used for heating
or cooling, ceiling or whole house ventilating fans, or other high
air flow areas.
• Kitchens. Normal cooking may cause nuisance alarms. If a
kitchen alarm is desired, it should have an alarm silence feature
or be a photoelectric type.
• Near fluorescent lights. Electronic “noise” may cause nuisance
alarms.
• Smoke alarms are not to be used with detector guards unless
the combination (alarm and guard) has been evaluated and
found suitable for that purpose.
3. INSTALLATION INSTRUCTIONS
CAUTION: THIS UNIT IS SEALED. THE COVER IS NOT REMOV-
ABLE!
FIGURE 4
Alignment Marks
Install
Remove
A
A
When mounting
in a hallway, the
“A” line should
be parallel with
the hallway.
When wall
mounting, the
“A” line should
be horizontal.
