5-8
If the device’s sensitivity is other than what is marked on the device’s label, clean the device using
a source of oil-free, filtered, compressed air such as Dust-Off, Tech Duster, etc.
CAUTION: Notify appropriate building personnel prior to removing any
detectors/sensors from service.
Blow the compressed air through the open vents around the device so that air enters and cleans the
black chamber cover/insect screen assembly (Part No. 677-224) located beneath the white
protective cover.
If the device’s sensitivity is still other than what is marked on the device’s label, replace the
device.
Note:
Do not remove the Ion Detector/ Sensor protective cover.
Blow compressed air through the open vents around the device so that air enters and cleans the
black chamber cover assembly located beneath the white protective cover. If the device sensitivity
is still outside the marked range replace the device and return the failed device to 130 Perinton
Parkway, Fairport, NY 14450-9199.
IMPORTANT: Once cleaned, the detector/sensor should be tested with smoke per
NFPA 72.
Cleaning
Introduction
Photoelectric Smoke
Detector/Sensor
Cleaning
Special
Considerations for
Ion Detectors and
Sensors
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