Huawei Backup Box-B1 - User Manual

Backup Box-(B0, B1)
Quick Guide
Issue: 01
Date: 2021-01-10

Huawei Backup Box-B1 Specifications

General

Brand	Huawei
Model	Backup Box-B1
Category	Controller
Language	English

Summary

1 Overview

Function

Describes the Backup Box's role in controlling grid-tied/off-grid states in PV systems.

System Networking

Supported Grid Types

2 Device Installation

Installation Requirements

Covers essential requirements for installing the Backup Box, including environmental and safety precautions.

2.2 Installing a Backup Box

3 Electrical Connection

3.1 Preparations

Lists crucial safety precautions and preparatory steps before making electrical connections.

3.2 Installing a PE Cable

3.3 Installing Off-Grid Load Power Cable

3.4 Installing Grid AC Output Power Cable

Connecting Grid AC Terminals

3.5 Installing Inverter AC Input Power Cable

Connecting Inverter AC Input Terminals

3.7 Installing Signal Cables

3.8 Connecting Signal Cables on Inverter Side

4 Verifying the Installation

5 Powering On the System

6 System Commissioning

Parameter Settings

Parameter Settings (Continued)

Verifying Off-grid;Grid-tied Switching

7 Routine Maintenance

8 Troubleshooting

Single-Phase Backup Box Troubleshooting

Three-Phase Backup Box Troubleshooting