Huawei SmartACU2000B Series User Manual page 49

SmartACU2000B smart array controller
User Manual (with PID modules, 800 V AC)
Avoid drilling holes in the water pipes and power cables buried in the wall.
Figure 4-4 Drilling a hole and installing an expansion bolt

To prevent dust inhalation or contact with eyes, wear safety goggles and an anti-dust
respirator when drilling holes.

Wipe away any dust in or around the holes and measure the hole distances. If the holes are
inaccurately positioned, drill holes again.

Level the head of the expansion sleeve with the concrete wall. Otherwise, the mounting
bracket will not be securely installed on the concrete wall.
1.
2.
3.
4.
Step 3 Align the mounting bracket holes with the drilled holes, insert expansion bolts into the holes
through the mounting bracket, and then tighten the expansion bolts.
Issue 05 (2019-01-20)
Drill a hole at a marked hole position in the wall using a hammer drill.
Slightly tighten an expansion bolt, place it vertically into the hole, and use a rubber
mallet to knock it until the expansion sleeve completely enters the hole.
Partially tighten the expansion bolt.
Remove the nut, spring washer, and flat washer.
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4 Installation
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