6 Check Before Power-On
No. Check Item Acceptance Criteria
1 Overall installation ● The SUN2000 is installed correctly and
securely.
● The installation space is proper, and the
installation environment is clean and tidy.
2 Appearance ● The SUN2000 exterior is intact without
deviation, deformation, peeling paint, or
rust.
● Cables are intact and routed neatly.
3 Switch The AUX. SWITCH, DC SWITCH, and
downstream AC output switch are OFF.
4 PE cable ● The PE cable is connected correctly, securely,
and reliably.
● The ground resistance is less than 0.1 ohm.
5 AC power cable AC power cables are connected correctly and
securely.
6 Maintenance
compartment
● The maintenance compartment interior is
clean and tidy without foreign matter
● After the check, ensure that the
maintenance compartment door is closed
and the screws on the door are tightened.
7 DC power cable DC power cables are connected correctly and
securely.
8 Unused port ● Unused DC terminals are sealed with
sealing plugs.
● Unused COM and USB ports are plugged
with waterproof plugs.
SUN2000-(250KTL, 280KTL, 300KTL, 330KTL) Series
User Manual 6 Check Before Power-On
Issue 07 (2023-06-30) Copyright © Huawei Technologies Co., Ltd. 62
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