Figure 13. Photo head exploded view:
REMOVABLE HEAD COVER
TEST SLOT
CLEANABLE SCREEN
P/N RS24 (W/O THERMAL)
HEAD COVER REMOVAL SLOT
VANED CHAMBER
3.Vacuum the photo chamber. Use clean compressed air to blow it clean.
4.Replace the screen by aligning the arrow on top with the field test port on the detector. Press the screen into place. It should fit tightly on the chamber.
5.Replace the detector cover and rotate it clockwise to lock it in place.
[7.4] Reinstallation
1.Reinstall the detector in its housing.
2.Restore system power.
3.Perform Detector Check, Section [5.7].
4.Notify the proper authorities testing has been completed and the smoke detector system is back in operation.
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