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Alarm Mode on
State
Keypad
Normal
None
(standby)
Alarm - Heat
Alarm for Heat
Detector Zone
Low Battery
Low Batt signal
for the Heat
Detector zone
Testing the Heat Detector
Because heat detectors are designed for a one-time use, it is not recommended that you test
them yourself.. If you have concerns about the readiness of the heat detector, please refer to the
Contact Us
page.
How They Work
Smoke Detectors
There are three common styles of Smoke Detectors:
•
Ionization: Detects fast, flaming fires caused by chemicals, petroleum based products,
paper and wood. It is equipped with two metal plates and a small amount of radioactive
material to ionize air. When smoke passes through the device, it interrupts the ionization
and triggers the alarm.
•
Photoelectric: Detects visible smoke, slow burning, smoldering fires caused by drapes,
clothes, paper and wood. It operates with a light beam inside; smoke particles break the
light beam and triggers the alarm.
•
Dual: Includes both Ionization and Photoelectric sensors.
Smoke detectors should be mounted on a ceiling or high on the wall. The
Protection Association
recommends that there be at least one smoke detector on each floor,
including outside sleeping areas, in every bedroom and in the basement.
Heat Detectors
Action
The device is operating normally. No action needed.
Heat in excess of 135
o
F OR an increase in temperature in excess
o
of 15
F per minute has been detected. ADT has been notified of
the alarm. Take appropriate action.
The battery power is low. ADT has been contacted. You will be
notified of the non-emergency situation. Replace the battery
immediately. Please refer to the
Replacement
page.
Smoke and Heat Detector Battery
National Fire
Page 5 of 8
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