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SAJ Sununo Plus 3K-M - User Manual

SAJ Sununo Plus 3K-M
54 pages
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User Manual
SAJ Solar Inverter
Sununo Plus Series
www.saj-electric.com

Table of Contents

Questions and Answers

  • B
    Bryan MitchellAug 16, 2025
    What to do if my SAJ Sununo Plus 3K-M shows AC Voltage Error?
    • K
      Kaitlyn BrownAug 16, 2025
      If your SAJ Inverter displays an AC Voltage Error, verify the grid voltage and the connection between the inverter and the grid. Also, check the inverter's on-grid standard settings. If the grid voltage exceeds local regulations, consult with local grid personnel about adjusting the voltage at the feed point or modifying the regulated voltage value. If the grid voltage is within the regulated range and the error persists, contact your distributor or SAJ.
  • J
    Jennifer FowlerAug 19, 2025
    What should I do if my SAJ Sununo Plus 3K-M displays a Temperature High Error?
    • M
      Morgan ReevesAug 19, 2025
      If your SAJ Inverter shows a Temperature High Error, check if the radiator is blocked and ensure the inverter is operating within an appropriate temperature range. If these checks are normal, contact your distributor or SAJ.
  • Y
    Yolanda PowellAug 22, 2025
    What to do if my SAJ Sununo Plus 3K-M Inverter displays a Frequency Error?
    • K
      Kevin ByrdAug 22, 2025
      If your SAJ Inverter shows a Frequency Error, check the country settings and the local grid frequency. If these are normal, contact your distributor or SAJ.
  • S
    Sandra RobinsonAug 25, 2025
    What to do if my SAJ Sununo Plus 3K-M Inverter displays a Current High error?
    • T
      tlewisAug 26, 2025
      If your SAJ Inverter displays a Current High error, check the connection status between the inverter and the grid and test the stability of the grid voltage. If these are normal, contact your distributor or SAJ.
  • S
    Stephanie BatesAug 28, 2025
    What to do if my SAJ Inverter displays GFCI Error?
    • B
      Brandi KellerAug 28, 2025
      If your SAJ Inverter shows a GFCI Error, check the insulation resistance of the positive and negative sides of the solar panel. Also, verify that the inverter is not in a wet environment and that the grounding is properly connected. If these checks are normal, contact your distributor or SAJ.
  • S
    Samuel Gonzales MDAug 31, 2025
    What to do if my SAJ Sununo Plus 3K-M Inverter displays ISO Error?
    • M
      Mark PopeAug 31, 2025
      If your SAJ Inverter displays an ISO Error, check the insulation resistance of the positive and negative sides of the solar panel. Also, check if the inverter is in a wet environment and ensure the inverter's grounding is secure. If these checks are normal, contact your distributor or SAJ.
  • N
    Nicholas DanielSep 3, 2025
    What to do if my SAJ Sununo Plus 3K-M Inverter displays No Grid Error?
    • T
      Teresa HillSep 3, 2025
      If your SAJ Inverter displays a No Grid Error, check the connection status between the AC side of the inverter and the grid. If this is normal, contact your distributor or SAJ.
  • J
    Juan FrancisSep 6, 2025
    What to do if my SAJ Sununo Plus 3K-M Inverter displays a Bus Voltage High error?
    • P
      palvarezSep 6, 2025
      If your SAJ Inverter displays a Bus Voltage High error, check the settings of the solar panel, a SAJ designer can help you. If this is normal, contact your distributor or SAJ.
  • T
    Tyler PerrySep 9, 2025
    What does Lost Communication mean on my SAJ Inverter?
    • B
      Brian CruzSep 9, 2025
      If your SAJ Inverter shows a Lost Communication error, check the connection of the communication cables between the control board and the display board. If this is normal, contact your distributor or SAJ.
  • A
    Allen WoodSep 12, 2025
    What to do if my SAJ Inverter displays PV Voltage Fault?
    • D
      Dustin RussellSep 12, 2025
      If your SAJ Inverter displays a PV Voltage Fault, check the settings of the solar panel, a SAJ designer can help you. If this is normal, contact your distributor or SAJ.

Summary

Chapter 1 Safety Precautions

1.2 Safety Instructions

Details crucial safety warnings and precautions for operating the inverter.

Chapter 2 Preparation

2.1 Safety Instructions

Provides essential safety guidelines and warnings before inverter installation and operation.

Chapter 3 Product Information

Chapter 4 Instructions for Installation

4.1 Safety Instructions

Outlines critical safety measures to be followed during the installation process.

4.3 Installation Method and Position

Provides guidance on selecting the correct mounting method and optimal installation location for the inverter.

4.4 Mounting Procedure

Chapter 5 Electrical Connection

5.1 Safety Instruction for Hot-line Job

Emphasizes safety protocols for electrical connections, especially when working with live circuits.

5.3 AC Side Connection

5.4 DC Side Connection

Chapter 6 Debugging Instructions

6.2 First Run Setup

Guides users through the initial configuration steps required after installing the inverter.

Chapter 7 Fault Code and Troubleshooting

Fault Code and Troubleshooting

Lists error codes, fault information, and provides solutions for common inverter issues.

SAJ Warranty Policy

SAJ Sununo Plus 3K-M Specifications

General IconGeneral
ModelSununo Plus 3K-M
Rated Power3 kW
Max. DC Voltage550 V
Nominal AC Power3 kW
Nominal AC Voltage220 V / 230 V / 240 V
Efficiency97.6%
Protection DegreeIP65
Max. PV Input Voltage550 V
Number of MPPTs2
Rated Output Power3 kW
Output Voltage220 V / 230 V / 240 V
Output Frequency50 Hz / 60 Hz
Power Factor>0.99
THD<3%
Cooling MethodNatural Convection
Protection LevelIP65
Weight12.5 kg
Max. AC Power3300W
Max. Output Power3300W
Operating Temperature-25°C to +60°C

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