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2. Remove the two vertical mounting brackets that are attached to the unit and used
for vertical mounting.
Figure 9: Vertical mounting brackets
3. Assemble the four horizontal mounting brackets (supplied in the package) to the
SMI rear side. Make sure the floor anchoring holes are facing out.
Figure 10: Horizontal mounting brackets
4. Mount the unit on the rail or structure: Use 5/16" screws or bolts (8.0 mm diameter)
for anchoring to the surface.
Figure 11: Horizontal anchoring screws
Functional earthling is required to enable the over-voltage protection. To earth the SMI,
connect a grounding cable to the grounding location at the rear of the SMI. The
grounding cable must be at least 1.5mm
2
. You may use a cable of up to 50mm
2
.
Chapter 2: Installing the SMI
14
SMI-180 Installation Guide MAN-01-00157-1.1