Note
•
Please prepare two M4 screws.
•
Ensure that the distance between the two screws equals
that between the two hanging holes.
•
Set aside at least 4 mm screws outside the wall.
3.
Align the hanging holes with screws, and hang the device on
the screws.
Figure 2-1 Wall-Mounted Installaon
3 Grounding
3.1 Connecng the Grounding Cable
Grounding is used to quickly release overvoltage and overcurrent
induced by lightening for switch, and to protect personal safety.
Select the appropriate grounding method according to your
needs.
3.1.1 With Grounding Bar
If a grounding bar is available at the installaon site, follow the
steps below.
Steps
1.
Connect one end of the grounding cable to the binding post on
the grounding bar.
2.
Connect the other end of the grounding cable to the grounding
terminal of the device and
x the screw.
Figure 3-1 Grounding with Grounding Bar
3.1.2 Without Grounding Bar
If there is no grounding bar but the earth is nearby and the
grounding body is allowed to be buried, follow the steps below.
Steps
1.
Bury an angle steel or steel pipe (≥ 0.5 m) into the mud land.
3
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