118
en | Installation wiring
PRAESENSA
2021.12.21 | V0.15b | F.01U.402.882
Underwriters Laboratories Listing Document (ULLD)
Bosch Security Systems B.V.
14. 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:
–
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.
–
Allow sufficient cable length for connection to the PRA-CSLW (when the chassis is in
the open position).
–
See
Power over Ethernet connections, page 119.
15. Add Trim Kit:
–
Place Trim Kit onto wall.
–
Secure to wall in 4 corners using supplied mounting hardware.
526.2 mm / 20.72 in
5
1
9
.2
m
m
/
2
0
.4
4
in
42.02 mm
1.65 in
6.27 mm
0.25 in
16. Re‑attach the chassis assembly to the backbox:
–
If labels and/or button caps need to be installed, it is possible easier to do before re-
attach the chassis to the backbox. See
Labeling, page 94 and/or Mounting a button
–
Slide chassis assembly over mounting pins in backbox.