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OPERATION, TESTING & MAINTENANCE
OPERATION: The smoke alarm is operating once the power is connected and turned on (for the
Model SS-790, the battery must also be installed). When products of combustion are sensed, the
unit sounds a loud alarm which continues until the air is cleared.
This alarm incorporates the internationally recognized horn signal for evacuation. During alarm
mode, the horn produces three short beeps followed by a two second pause and then repeats. This
pattern is somewhat different than the previous alarm sound, which continually beeped.
STANDBY CONDITION: The red LED flashes once every 40-60 seconds to indicate the unit is
properly functioning.
LOCAL ALARM CONDITION: The red LED flashes rapidly and the unit emits a loud, pulsating
alarm sound.
REMOTE ALARM CONDITION: The red LED is off and the unit emits a loud, pulsating alarm.
GREEN LED: The green LED is on whenever AC power is turned on.
TESTING: Test by pushing the test button on the smoke alarm cover until the alarm sounds, then
release. The alarm sounds if all electronic circuitry, horn and battery are working (Model SS-790
only). If no alarm sounds, the unit may have a defective battery (Model SS-790 only) or other failure.
Test the smoke alarm weekly to assure proper operation.
NEVER use an open flame of any kind to test this unit. You might accidentally damage or set
fire to the unit or to your home. The built-in test switch accurately tests the unit's operation as
required by Underwriters Laboratories Inc. (UL).
BACKUP BATTERY REPLACEMENT (Model SS-790 only)
Disconnect AC power before changing battery. Shock hazard exists if AC power is miswired.
The smoke alarm uses a 9 Volt carbon-zinc battery. The battery should last for at least one year
under normal operating conditions. The smoke alarm has a low battery indicator; an audible "beep."
It will operate at 30-40 second intervals for a minimum of 7 days. When this indication occurs,
replace the battery with an Alkaline type (Eveready Energizer #522, Duracell #MN1604), Carbon-
Zinc type (Gold Peak #1604P, Eveready #216).
Push and lift the battery door latch and remove the battery from the battery door. While observing
polarity, push the battery into the battery door until it is held securely in place. Carefully close and
latch the battery door.
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If you choose to use an aerosol smoke product to test the smoke alarm, be certain to use one
that has been Listed to Underwriters Laboratories, Inc. Safety Standards and use it only as
directed. Use of non-UL Listed products or improper use of UL Listed products may affect
the smoke alarm's sensitivity.
MAINTENANCE: The smoke alarm is virtually maintenance free. However, under dusty conditions,
a vacuum hose may be used to clear the sensing chamber of dust.
Clean the smoke alarm at least once a month to remove dust, dirt or debris. Always turn off power
to smoke alarm before cleaning. Using a soft brush or wand attachment to a vacuum cleaner, vacuum
all sides and cover of smoke alarm. Be sure all the vents are free of debris.