Installing Signal Cables - Huawei LUNA2000-2.0MWH Series User Manual

LUNA2000-2.0MWH Series Smart String ESS
User Manual
5.5 (Optional) Connecting Single-phase AC Input
Power Cables (Without External Grid Power Supply)
Step 1 Remove the short-circuiting bar from 1–2 and insert it to 2–3 on the XU terminal
block.
Step 2 Remove the short-circuiting bar from 6–7 and insert it to 7–8 on the XU terminal
block.
Step 3 Connect the ground cable to the ground bar of the control unit cabin.
Step 4 Connect the armored cable to the ground point on the rear panel of the control
unit cabin.
Step 5 (Optional) If a UPS is used for power supply, install the UPS input switch, connect
the live wire 1775 and neutral wire 1777 (obtained from 2 in the figure), and turn
on the switch (as shown by 1 in the figure).
Figure 5-25 Wiring diagram
(1) UPS switch installation position
----End

5.6 Installing Signal Cables

Issue 08 (2022-11-15)
NO TE
● This step applies only to some models. The figure is for reference only.
● If a UPS or other reliable backup power supply is used, perform the following steps to
connect single-phase AC input power cables.
● Recommended specifications for the UPS input switch: 220 V AC/230 V AC; 10 A; 2P.
Copyright © Huawei Technologies Co., Ltd.
(2) Cable binding position
5 Installing Cables
130