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Provides guidelines on connecting and operating the inverter.
For technical personnel and inverter owners performing installation, operation, and maintenance.
Read manual and related documents before commencing work on the inverter.
High risk of death or serious injury if hazards are not avoided.
Medium risk of death or serious injury if hazards are not avoided.
Low risk of minor or moderate injury if hazards are not avoided.
Risk of equipment or property damage if hazards are not avoided.
Additional information, emphasized content, or tips to help solve problems or save time.
DC conductors are ungrounded and may be energized.
No user serviceable parts inside; refer to qualified personnel.
Wait 5 mins after disconnecting supply before removing cover.
To reduce burn risk, do not touch hot components.
Unit tested and inspected, but damage may occur during shipping.
Ensure inverter is not electrically connected before installation.
All electrical connections must comply with standards; grid connection needs approval.
Do not open enclosure when under load; only intact/locked cabinet ensures safety.
Risk of damage/injury from incorrect service work; follow safety steps.
Converts DC to grid-compatible AC; applies only to grid-connected PV systems.
Overview of inverter models, appearance, dimensions, and LED indicators.
Details inverter circuit, functions, derating, and PID function.
Inspect for damage upon receiving; check contents against packing list.
Nameplate provides inverter type, specs, certifications, and serial number.
Lists all items included in the delivery package for the inverter.
Proper storage in original carton with desiccant bags in a dry, clean place.
Select optimal site for safe operation, longevity, and performance.
Instructions for safely moving the inverter from packaging to its installation site.
Lists all required tools for the mechanical installation of the inverter.
Step-by-step guide for physically mounting the inverter onto a frame or wall.
Details the inverter's connection terminals and their appearance.
Requirements and steps for connecting AC cables to the inverter.
Configuration and connection steps for PV arrays to the inverter.
Overview and steps for grounding the inverter and related components.
Setup instructions for RS485 communication for single and multiple inverters.
Information on Fault Alarm and Local Stop dry contacts for system control.
Checklist of items to verify before starting the inverter for the first time.
Step-by-step guide to start up and configure the inverter.
Steps to safely switch off and disconnect the inverter from power sources.
Guidelines for responsible disposal of the inverter according to local regulations.
Lists fault codes and provides methods for diagnosing and resolving issues.
Routine maintenance checks and detailed instructions for fan replacement.
Overview of the SunAccess APP for inverter monitoring and management.
Instructions for downloading and installing the APP on iOS and Android devices.
Steps to connect to the inverter via Bluetooth and log into the SunAccess APP.
Navigating and understanding the main dashboard of the SunAccess APP.
Checking detailed operational data like input, output, and environmental parameters.
Viewing alarm, power yields, and event records within the APP.
Accessing system parameters, operation settings, protection, communication, logs, and about info.
Provides detailed technical specifications for the SG125HV and SG125HV-20 inverters.
Specifies torque values for various bolts used during installation.
Disclaimer regarding product use, warranty, and Sungrow's liability.
Provides contact details for Sungrow offices worldwide for support.
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