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Growatt MAC 22-25KTL3-XL - User Manual

Growatt MAC 22-25KTL3-XL
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GR-UM-175-A-00
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SHENZHEN GROWATT NEW ENERGY TECHNOLOGY CO.,LTD
No.28 Guangming Road, Shiyan Street, Bao'an District, Shenzhen, P.R.China
T: +86 755 2747 1942
E :service@ginverter.com
W :www.ginverter.com
Installation
&
Operation Manual

Table of Contents

Questions and Answers

  • P
    patricia09Sep 23, 2025
    What causes Warning 405 on a Growatt Inverter?
    • A
      Andrea ShermanSep 23, 2025
      If your Growatt Inverter displays Warning 405, check the firmware version. If the error message continues, contact support.
  • C
    Crystal BaileyAug 23, 2025
    What to do if Growatt Inverter displays Error 302?
    • J
      jordanallisonAug 23, 2025
      If your Growatt Inverter shows Error 302, after shutdown, check the AC wiring. If the error message continues, contact support.
  • N
    Natasha WhiteAug 25, 2025
    What should I do if my Growatt Inverter displays Warning 400?
    • N
      Nancy CrosbyAug 26, 2025
      If your Growatt Inverter shows Warning 400: 1. After shutdown, check the fan connection. 2. Replace the fan. 3. If the warning persists, contact support.
  • J
    jacobsonjenniferAug 27, 2025
    How to fix Error 411 on Growatt MAC 22-25KTL3-XL Inverter?
    • H
      Heidi SmallAug 27, 2025
      If your Growatt Inverter is showing Error 411, after shutdown, check the communication board wiring. If the error persists, contact support.
  • D
    Dustin BurtonAug 27, 2025
    What to do if Growatt Inverter shows Error 403?
    • V
      Victoria CainAug 27, 2025
      If your Growatt Inverter displays Error 403, after shutdown, check if the output current is balanced. If the error continues, contact support.
  • S
    Seth RiversSep 18, 2025
    What to do if Growatt MAC 22-25KTL3-XL Inverter shows Warning 404?
    • L
      Logan SanchezSep 18, 2025
      If your Growatt Inverter displays Warning 404, restart the inverter. If the error message continues, contact support.
  • J
    Jennifer CrossSep 15, 2025
    What to do if Growatt MAC 22-25KTL3-XL displays Warning 207?
    • D
      Drew ScottSep 15, 2025
      If your Growatt Inverter displays Warning 207: 1. Unplug the U disk. 2. Re-access the U disk after shutdown. 3. If the error message continues, contact support.
  • A
    Austin CamachoSep 16, 2025
    How do I fix Warning 402 on my Growatt Inverter?
    • L
      Lindsey HoganSep 16, 2025
      If your Growatt Inverter displays Warning 402: 1. Check if the optimizer is on. 2. Check whether the connection between the optimizer and the inverter is normal.
  • C
    claytonsharpSep 6, 2025
    What to do if Growatt Inverter displays Error 405?
    • K
      Kaitlyn MillerSep 6, 2025
      If your Growatt Inverter displays Error 405, restart the inverter. If the error message continues, contact support.
  • A
    aprilwilliamsSep 3, 2025
    How do I fix Error 402 on my Growatt MAC 22-25KTL3-XL Inverter?
    • Z
      zwatsonSep 3, 2025
      If your Growatt Inverter displays Error 402, restart the inverter. If the error message continues, contact support.

Summary

1 Overview

2 Safety Precautions

2.1 Safety Overview

General safety guidelines and precautions for inverter installation and operation.

5 Installation

5.1 Basic Installation Requirements

Essential requirements for a safe and effective inverter installation.

5.2 Installation Environment

Specifies ideal environmental conditions for inverter placement.

5.4 Wall Mount Bracket

5.5 Install PV Inverter

Steps for physically installing the inverter onto the wall mount.

6 Electrical Connections

6.1 AC Side Connection

Procedures for connecting the inverter to the AC power grid.

6.2 DC Side Connection

Guidelines for safely connecting the PV modules to the inverter.

6.3 Communication Connection

6.4 Protective Ground Connection

Essential steps for proper grounding of the inverter and system.

6.5 Lightning Protection

Measures for protecting the system from lightning strikes.

7 Debugging

7.1 Debug Inverter

Initial steps for checking and testing the inverter's functionality.

7.1.1 Set PV Communication Address

7.2.2 Failure Mode

Identifies and explains fault conditions and LED indicators.

8 Monitoring Method

8.1 Remote Data Monitoring

Methods for monitoring inverter data remotely via APP or web.

8.1.1 Mobile APP Monitoring

8.1.2 Server WEB Monitoring

8.2 Local Data Monitoring

8.2.1 Mobile App Local Monitoring

9 System Maintenance

9.1 Routine Maintenance

Procedures for regular maintenance of the inverter.

9.1.1 Cleaning Inverter

9.1.2 Fan Maintenance

9.2 Trouble Shooting

General guidance for resolving inverter issues.

9.2.1 Warning

9.2.2 Error

Lists error codes and their corresponding troubleshooting suggestions.

13 Contact

Growatt MAC 22-25KTL3-XL Specifications

General IconGeneral
BrandGrowatt
ModelMAC 22-25KTL3-XL
CategoryInverter
LanguageEnglish

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