Huawei photovoltaic inverter electrical box installation

How to safely install Huawei sun2000p-375w smart PV optimizers?

Use insulated tools when installing the device. For personal safety, wear proper personal protective equipment (PPE). The SmartPSB2000L smart PV safety box (safety box for short) is a key component that implements rapid shutdown and module monitoring for Huawei SUN2000P-375W smart PV optimizers.

Can a Huawei inverter be installed outside in Salt areas?

Before installing the inverter outdoors in salt areas, consult Huawei. A salt area refers to the region within 500 meters from the coast or prone to sea breeze. The regions prone to sea breeze vary with weather conditions (such as typhoons and monsoons) or terrains (such as dams and hills).

How to connect a solar inverter to a PE cable?

Connect the PE points of all solar inverters in the same array to ensure equipotential connections to PE cables. Procedure Step 1 Connect the PE cable to the PE point. Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd. ● Do not leave unused screws in the maintenance compartment.

How long does it take a Huawei inverter to discharge?

Issue 02 (2022-06-30) Copyright © Huawei Technologies Co., Ltd. It takes 15 minutes for the inverter to discharge to the safe voltage. Refer to documentation Reminds operators to refer to the documents shipped with the inverter.

How to install a safety box on an inverter?

Install the safety box under or on a side of an inverter with the delivered M6x60 expansion bolts. It is recommended that an M8 drill bit be used to drill holes. The torque should be 4.5–5.5 N· m. Connect the RS485 communications, PE, and 12 V power cables from the safety box to the corresponding port on the inverter.

How do I add a safety box to a fusionhome inverter?

Turn on the DC input switch on the inverter and the switch on the AC output loop. Log in to the FusionHome app, add the safety box (see section 4.1), unlock optimizers (as shown in the following figure), and then add the optimizers again (see sections 4.2 and 4.3). You need to perform this step when replacing the safety box, optimizer, or inverter.