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5.2.3 Fastening of Connectors
Use slings with hooks or U-hooks to hoist the inverter.
The lifting devices should be correctly connected to the inverter.
Lifting device
Hook U-hook
Connections
Notice
Insert the hook from inside
to outside.
Lateral pin of the U-hook
should be tightened.
National and local safety rules should be observed at all times.
Violating relevant safety rules may void pertinent warranty claims from Sungrow.
5.3 Foundation
5.3.1 Selection of Installation Site
When selecting the installation site, consider the following requirements at least:
• Ambient and geological conditions, such as stress wave emissions, the level of
underground water table, etc.should be taken into account.
• The ambient environment should be dry, well ventilated, and far away from inflammable
materials.
• The ground at the installation site must be compacted enough. Relative compaction of
the ground should be equal to or greater than 98%. Otherwise, take proper measures to
strengthen the ground.
5.3.2 Foundation Requirements
Pay attention to the high weight of the inverter. Check thoroughly the conditions
on the installation site (mainly the geographical and environmental conditions)
before designing and constructing the foundation.
Improper foundation construction may affect the placement of the inverter, open & close of
the door, and future maintenance. Therefore, the foundation must be designed and
System Manual 5 Mechanical Installation
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