1164/1164NS Series Installation and Programming Guide 12
CLEAN THE 1164
Smoke detectors must be maintained to meet NFPA 72 requirements. Smoke detectors
should be cleaned at least once per year.
Note: Before performing maintenance on the detector, notify the proper authorities that
the smoke detector will be temporarily out of service.
1. Remove the detector cover from the mounting base. See Figure 2.
2. Remove the battery from the detector. See Figure 5.
3. Use a vacuum or canned air to clean the detector.
4. Grasp the detector cap, gently twist to the left, and then lift up. See Figure .
5. Press in the sides of the sensing chamber where indicated by the alignment
arrows. Pull the sensing chamber straight up out of the detector. See Figure 8.
6. Use a vacuum or canned air to clean the sensing chamber.
7. Line up the arrows on the sensing chamber and the latches on the smoke
detector base, and then snap the sensing chamber back into place.
8. Replace the detector cap by lining up the new cap with the detector.
9. Insert the cap into the smoke detector and twist it gently to the left until it
snaps into place.
10. Reinsert the battery, and then reattach the detector to the mounting base.
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