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B4U Analog Standard Detector Base
Installation Sheet
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EN: Installation Sheet
Description
The B4U Analog Standard Detector Base provides mounting
support and electrical connections for the compatible detectors
listed in "Specifications."
The base does not require a separate address.
The base comes with an adaptor bracket and trim ring for use
with a 4 in. square electrical box.
Installation
There are two ways to install the B4U base assembly.
• Option 1: Use an octagon or single-gang electrical box.
• Option 2: Use a 4 in. square electrical box.
To install the B4U using option 1:
1. Install an octagon or single-gang electrical box.
2. Pull the wiring into the box and through the hole in the
center of the detector base.
3. Attach the detector base to the electrical box, using the
screws provided with the electrical box.
4. Make wiring connections as shown in Figure 3.
5. Apply power and activate the unit to verify that it is
operating.
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Figure 1: Base installation option 1
1. Octagonal electrical box
2. B4U base assembly
3. Screws
To install the B4U using option 2:
1. Install a 4 in. square electrical box.
2. Pull the wiring into the box and mount the adapter bracket
that comes with the B4U.
3. Pull the wires through the hole in the detector base and
attach the detector base to the electrical box, using the
adaptor bracket and the screws provided with the
electrical box. See Figure 2.
4. Attach the trim ring by aligning the arrows on the trim ring
with those on the base, and pressing down to lock the trim
ring into place.
5. Make wiring connections as shown in Figure 3.
6. Apply power and activate the unit to verify that it is
operating.
Note: Attaching the trim ring to the detector can occur before
or after assembling the detector to the base.
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P/N 3101074 • REV 05 • REB 25JAN13