Avoid drilling holes in the utility pipes or cables attached to the back of the wall.
● To prevent dust inhalation or contact with eyes, wear safety goggles and an
anti-dust respirator when drilling holes.
● Clean up any dust in and around the holes using a vacuum cleaner and
measure the distance between holes. If large hole tolerance exists, position and
drill holes again.
● After removing the bolt, spring washer, and at washer, level the front of the
expansion tube with the concrete wall. Otherwise, the mounting brackets will
not stay steady on the concrete wall.
● Partially loosen the nut,
at washer and spring washer of the two expansion
bolts below.
Figure 4-9 Installing the Mounting Bracket
Step 3 (Optional) Install the locking screw for the DC switch.
● The screws for DC switches are delivered with solar inverters. According to Australian
standards, the screws are used to secure DC switches (DC SWITCH) to prevent them
from being turned on by mistake.
● For the model used in Australia, perform this step to meet the local standards.
Figure 4-10 Installing a locking screw for the DC switch
SUN2000-(8KTL-20KTL)-M2
User Manual 4 Installation
Issue 11 (2023-02-07) Copyright © Huawei Technologies Co., Ltd. 32
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