8
C048-741-30 R01, Rev. B (01/2020)
4.2
4.2 Mounting
Mounting
The BDFB will need to be securely mounted to the ground by the use
of (4) Hilti concrete anchors.
Step 1.
Remove the rear covers of the BDFB.
Step 2.
Measuring the distance between the four slotted mounting
locations found on the base of the rack, mark and drill holes
into desired concrete location for rack placement (see Figure
2).
Step 3.
Carefully move the BDFB into place while aligning the slotted
mounting holes with the holes drilled in Step 2. Insert a drop-
in Hilti Anchor for each hole.
Step 4.
Insert and securely fasten all (4) Hilti anchor bolts into the
anchors (see Figure 3).
4.3
4.3 Grounding
Grounding
Table 1.
Ground Specifications
TWO HOLE
LANDING
TYPE
HOLE/
STUD
SIZE
CENTER TO
CENTER
RECOMMENDED
TORQUE VALUE
Threaded
Insert
3/8 in.
1 in.
350 in·lbs
The ground landings are located on the left and right side on the top
of the BDFB rack assembly. Refer to mechanical drawings found in
Appendix A for greater detail regarding grounding locations.
Step 1.
Select the desired grounding location and break away the
associated knock-out points found on the plastic top cover
(see Figure 4).
Step 2.
Connect the ground cable with 3/8 in. hardware. Ensure heat
shrink and no-oxide compound are applied appropriately prior
to termination.
Step 3.
Torque the fasteners to 350 in·lbs.
DO NOT ENERGIZE THE BDFB BEFORE GROUND IS
CONNECTED.
CAUTION!
Figure 2. Rack Footprint
Figure 3. Anchoring Rack
Figure 4. Grounding Locations (Top View)
Summary of Contents for ALPHA PowerBay+ Half Size BDFB
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