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SAJ Sununo Plus 5K-M - User Manual

SAJ Sununo Plus 5K-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

  • C
    Christina SolisAug 15, 2025
    What to do if my SAJ Inverter shows AC Voltage Error?
    • T
      Teresa BaileyAug 15, 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.
  • D
    Daniel LambertAug 18, 2025
    What should I do if my SAJ Sununo Plus 5K-M Inverter displays a Temperature High Error?
    • J
      Jeremy StephensAug 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.
  • S
    Sharon JonesAug 21, 2025
    What to do if my SAJ Inverter displays a Frequency Error?
    • S
      Steven JosephAug 21, 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.
  • A
    amy69Aug 25, 2025
    What to do if my SAJ Sununo Plus 5K-M displays a Current High error?
    • D
      David AbbottAug 25, 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.
  • A
    allison12Aug 27, 2025
    What to do if my SAJ Sununo Plus 5K-M Inverter displays GFCI Error?
    • M
      Mikayla PowersAug 27, 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.
  • R
    Randall JenningsAug 30, 2025
    What to do if my SAJ Inverter displays ISO Error?
    • G
      George SmithAug 30, 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.
  • A
    Anthony PatrickSep 2, 2025
    What to do if my SAJ Inverter displays No Grid Error?
    • T
      Tracey ColeSep 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.
  • R
    Robert HartSep 5, 2025
    What to do if my SAJ Sununo Plus 5K-M Inverter displays a Bus Voltage High error?
    • R
      Rachel JohnsonSep 5, 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.
  • J
    Joseph RichSep 8, 2025
    What does Lost Communication mean on my SAJ Inverter?
    • L
      Lauren FowlerSep 8, 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.
  • J
    Jacqueline ThompsonSep 12, 2025
    What to do if my SAJ Sununo Plus 5K-M Inverter displays PV Voltage Fault?
    • V
      Vanessa EricksonSep 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

Safety Precautions

Hazard Identification

Explains hazard symbols (DANGER, WARNING, CAUTION, NOTICE) and their meanings.

Preparation and Safety

Preparation Safety Instructions

Safety precautions for electrical shock, high voltage, and proper handling of the inverter.

Installation Guide

Installation Safety Warnings

Safety warnings related to installation, potential fire, and high voltage.

Installation Method and Location

Guidance on how to mount and select the best position for the inverter.

Mounting Procedure Steps

Step-by-step instructions for mounting the inverter, starting with marking drill holes.

Electrical Connections

Electrical Connection Safety

Safety precautions for electrical connections, emphasizing qualified technicians and protective equipment.

AC Power Connection

Instructions for connecting the AC power cable to the inverter.

DC Power Connection

Instructions for connecting the DC power cables from solar panels to the inverter.

Operation and Debugging

Initial Setup Procedure

Guides users through the initial setup process, including setting the country.

General Parameter Settings

Inverter Self-Testing

Faults and Troubleshooting

Fault Code Directory

Lists error codes, fault information, and their explanations.

Troubleshooting Steps

SAJ Warranty Policy

Warranty Duration and Extension

Warranty Claim and Conditions

SAJ Sununo Plus 5K-M Specifications

General IconGeneral
Rated Power5000 W
Max. PV Input Voltage550 V
Number of MPP Trackers2
Max. Input Current per MPPT11 A
AC Output Rated Power5000 W
Rated Output Voltage230 V
Output Frequency50/60 Hz
Power Factor>0.99
THD<3%
Efficiency97.6%
Operating Temperature Range-25°C to +60°C
Cooling MethodNatural Convection
Protection LevelIP65

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