(4) Flat washer (5) Expansion sleeve
● To prevent dust inhalation or contact with eyes, wear safety goggles and a dust
mask when drilling holes.
● Use a vacuum cleaner to clean up dust in and around the holes, and measure
the spacing. If the holes are inaccurately positioned, drill the holes again in
correct positions.
● Level the top of the expansion sleeve with the concrete wall after removing the
nut, spring washer, and at washer. Otherwise, the mounting bracket will not
be securely installed on the concrete wall.
Figure 4-13 Installing an expansion bolt
----End
4.6 Installing the Inverter
Step 1 (Optional) Install the DC switch locking screw.
● The DC switch locking screw is used to lock the DC switch (DC SWITCH) to prevent the
inverter from being started by mistake.
● For models used in Australia, install the DC switch locking screw according to local
standards. The DC switch locking screw is delivered with the inverter.
SUN2000-(20KTL, 29.9KTL, 30KTL, 36KTL, 40KTL)-
M3
User Manual 4 Installation
Issue 18 (2024-03-10) Copyright © Huawei Technologies Co., Ltd. 34
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