50
4.6.2 Installation Surface
Both the PCS cabinet and the battery cabinet must be mounted on top of the concrete pad installation surface, which has the
following requirements:
The foundation frame must be level.
o If installed on soft ground, long-term use may lead to uneven settlement, causing the frame installation to be uneven.
o The foundation frame can be made of heavy-duty material to prevent uneven stress during installation, which can
prevent equipment tilting or cable connection deformation.
The foundation frame can be fixed using expansion bolts or chemical anchors or can be directly embedded in the ground
with concrete.
The foundation-embedded parts of the frame can be designed to be larger than the frame size to avoid concrete overflow
from the foundation.
The PCS cabinet is designed to be installed together with the battery cabinet(s). Please note that the provided DC and
communication cables for connection between the PCS cabinet and battery cabinet are 29.5 ft (9 m) long.
The foundation embedded parts are recommended to be at least 7.9 in (200 mm) apart. For large projects, steel bars are
recommended to be added during the foundation pouring.
For installations on reinforced concrete foundations, the installation site is recommended to use a foundation frame with a
strength grade of C30 or above, and the foundation bearing capacity must not be less than 50 kN.
If the foundation is installed directly on the ground, take care to avoid soil erosion or ground settlement that may affect the
foundation frame structure and stability.
The foundation frame must be designed with sufficient light shielding to ensure that the surface temperature does not
increase excessively in environments with strong sunlight.
The equipment must be installed higher than the highest historical water / flood level in the area.
Figure 4-4 Expansion Bolt Installation
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