Samsung NX-828, Technical Manual

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2.3 Grounding the KSU
The NX-828 system comes equipped ready to use with a third wire AC ground provided through
the power cord (Figure 2-2).
The grounding lug on the bottom of the KSU must be connected to a ground rod or metal cold
water pipe using 10 AWG solid copper wire.
1. Fix the 3 screws into the wall
2. Hang the KSU on the wall-mount bracket
Figure 2-1 Mounting the KSU
Figure 2-2 Grounding the KSU
NX-828
HYBRID KEY SYSTEM
INSTALLATION
WARNING: Unplug the power cord from the AC supply before attempting
to onnect the ground. Hazardous voltage may cause death or injury.
Observe extreme caution when working with AC power.
CAUTION:
Failure to provide an adequate ground may cause problems or even circuit
board failure.
2 - 2
THIS SIDE OF KSU
CONNECT TO EARTH GROUND