Huawei SUN2000-250KTL Series User Manual page 60

SUN2000-(250KTL, 280KTL, 300KTL, 330KTL) Series
User Manual
● Waterproofing measures must be taken at the bottom of the electrical conduit.
● After the electrical conduit is routed into the ground, the underground cable
● The bottom of the electrical conduit must be sealed with waterproofing
● Prevent stress on the inverter wiring terminals from the cable during
● After stripping the jacket off the three-core cable, route the wires into the
● The armored layer of the cable must be grounded according to the design
● Wires between the maintenance compartment and electrical conduit must not
Figure 5-12 Cable protection
Issue 07 (2023-06-30)
NO TICE
The electrical conduit and cable must be vertical. Ensure that the upper end is
vertically routed into the maintenance compartment and the lower end is
vertically routed into the ground.
must meet the bending radius requirements of the AC power cable.
materials to prevent water or moisture from entering the electrical conduit and
reducing the cable insulation performance.
backfilling.
inverter maintenance compartment as three single-core cables. Take
fireproofing and waterproofing measures at the cable inlet of the maintenance
compartment to prevent water or moisture from entering the electrical conduit
and reducing the cable insulation performance.
requirements.
be exposed to the air. Protective measures must be taken.
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5 Electrical Connections
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