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SUN2000-(2KTL-6KTL)-L1
User Manual
5.2 Connecting PE Cables
Precautions
Additional Information
The SUN2000 provides the grounding detection function. This function is used to
check whether the SUN2000 is properly grounded before the SUN2000 starts, or
check whether the ground cable is disconnected when the SUN2000 is running.
This function is only available under limited conditions. To ensure the safe
operation of the SUN2000, properly ground the SUN2000 according to the
connection requirements of the ground cable. For some power grid types, if the
output side of the SUN2000 is connected to an isolation transformer, ensure that
the SUN2000 is properly grounded and set Grounding inspection to Disable to
enable the SUN2000 to run properly. If you are not sure whether the SUN2000 is
connected to such a type of power grid, contact your dealer or Huawei technical
support for
Issue 03 (2020-09-15)
D ANGER
occur.
electric shocks may occur.
NO TE
substitute for the PE point on the enclosure.
PE cable is connected.
case of ground cable damage or disconnection, properly connect the ground
cable of the SUN2000 and ensure that it meets at least one of the following
requirements before the grounding detection function becomes invalid:
–
If the PE terminal is not connected to the AC connector, use a single-core
outdoor copper cable with a conductor cross-sectional area of at least 10
2
mm
as the PE cable on the chassis.
–
Use cables with the same diameter as the AC output power cable and
ground the PE terminal on the AC connector and the ground screws on
the chassis.
cables. Use cables with the same diameter as the AC output power cable and
ground the PE terminal on the AC connector and the ground screws on the
chassis.
Copyright © Huawei Technologies Co., Ltd.
5 Electrical Connection
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