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Installing the DB-ADPT to the DB-3S Base
For Series 3 Airduct Housings using the AD-11UK
Air Duct Update Kit:
1. Remove the sensing compartment cover from the
existing duct housing.
2. Remove the existing detector from the duct housing.
3. To install the adapter into the duct housing, rotate
the adapter counterclockwise on the outer ring of
the base located in the duct housing until the
adapter drops into place.
Figure 1
3
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