● Stay away from the equipment when preparing cables to prevent cable scraps
from entering the equipment. Cable scraps may cause sparks and result in
personal injury and equipment damage.
● When routing PV cables whose pipe is less than 1.5 m long, the positive and
negative PV string cables shall be routed in dierent pipes to prevent cable
damage and short circuits caused by improper operations during construction.
The cable colors shown in the electrical connection diagrams provided in this section are for
reference only. Select cables in accordance with local cable specications (green-and-yellow
cables are only used for protective earthing).
5.2 Installation Preparation
Figure 5-1 SUN2000 cable connections (dashed boxes indicate optional
components)
If a Smart Dongle is congured, it is recommended that you install it before
connecting the signal cable.
SUN2000-(3KTL-10KTL)-M1 Series
User Manual 5 Electrical Connections
Issue 17 (2024-01-12) Copyright © Huawei Technologies Co., Ltd. 39