114
en | Installation wiring
PRAESENSA
2021.12.21 | V0.15b | F.01U.402.882
Underwriters Laboratories Listing Document (ULLD)
Bosch Security Systems B.V.
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IMPORTANT
: Depending on the mounting surface (i.e. wood studs, brick, dry wall)
the correct mounting material suitable for the mounting surface and weight of the
product should be used to ensure a safe and correct surface mounting.
1
2
2
2
2
10. Secure the backbox to the wall using one screw:
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Level the cabinet to the correct horizontal position and tighten screw.
11. Mark 4 additional mounting holes (2); 1 keyhole to the right and 1 keyhole to the left of
the center keyhole, and 2 holes located at the bottom of the enclosure.
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Remove screw and remove the backbox from the wall.
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Drill 4 additional holes in the wall where marked.
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Install additional mounting hardware in 4 holes.
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Hang backbox on center screw, install 4 remaining screws and tighten all.
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IMPORTANT
: Depending on the mounting surface, the correct mounting material
(i.e. screws) should be used to ensure a safe and correct surface mounting.
12. Pull wiring cables into backbox through selected knockout locations (top, bottom, back).
Secure conduit, ground cable, MC cable, etc., to backbox per NFPA 70 codes:
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IMPORTANT
: The metal housing needs to be grounded. Connect an external ground
strap cable at one end with terminal lug to the ground point of the backbox. Tighten
the nut with a maximum force of 0.9 Nm.
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Allow sufficient cable length for connection to the PRA-CSLW (when the chassis is in
the open position).
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See
Power over Ethernet connections, page 119.
13. Re‑attach the chassis assembly to the backbox:
