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SolaX Power X3-25K-TL - User Manual

SolaX Power X3-25K-TL
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X3-Series User Manual
X3-(10K/12K)-LV
X3 (20K/25K 30K)-TL- /
Copy Declaration
The copyright of this manual belongs to Solax Power Network Technology(Zhe jiang) Co,. Ltd.
Any corporation or individual should not plagiarize, partially or fully copy(incuding software,ect.),
and no reproduction or distribution of it in any form or by any means. All rights reserved. Solax
Power Network Technology(Zhe jiang) Co,. Ltd. reserves the right of final interpretation.

Table of Contents

Questions and Answers

  • V
    Vincent HicksAug 18, 2025
    What to do if SolaX Power Inverter shows Grid Over Voltage?
    • A
      Alejandro AlexanderAug 18, 2025
      If the 'Grid Over Voltage' alarm appears on your SolaX Power Inverter, it could be due to the grid voltage exceeding its normal range. If it happens once, it may be due to a temporary grid abnormality and requires no action. If it happens repeatedly, contact your local power station and, with their approval, adjust the electrical protection parameters on the inverter using the mobile app. If the alarm persists, check the AC circuit breaker and terminals to ensure they are connected, and verify that the grid has power.
  • C
    Colton CohenAug 21, 2025
    What to do if SolaX Power X3-25K-TL Inverter displays Residual Current Abnormal?
    • S
      Sarah BrownAug 21, 2025
      If your SolaX Power Inverter displays a 'Residual Current Abnormal' message, it means the insulation resistance against the ground at the input side has decreased, causing high residual current. If this occurs once, it might be due to a temporary external circuit issue, and the inverter should return to normal after the fault is cleared. If it happens repeatedly or persists, check the insulation resistance against the ground of the PV strings.
  • E
    Emily FloresAug 23, 2025
    Why SolaX Power X3-25K-TL Inverter is off grid?
    • R
      rhondagreenAug 23, 2025
      Your SolaX Power Inverter might be off-grid due to a power grid fault or a tripped DC switch. Wait for the power to be restored. Also, turn the DC switch to the ON position.
  • R
    Rachel ReidAug 26, 2025
    What to do if SolaX Power Inverter shows PV Over Voltage?
    • M
      Michael HuangAug 26, 2025
      If your SolaX Power Inverter shows a 'PV Over Voltage' error, it means the input voltage from the PV modules is too high. Check the number of PV modules connected and adjust as needed.
  • A
    Amanda RivasAug 27, 2025
    What to do if SolaX Power X3-25K-TL Inverter displays PV Strings Abnormal?
    • R
      Rachel WiseAug 27, 2025
      If your SolaX Power Inverter displays a 'PV Strings Abnormal' message, it could be because the PV strings have been shielded for an extended period or are deteriorating. First, check if the PV string is shielded. If the string is clean and unshielded, inspect the PV modules for signs of aging or deterioration.
  • K
    Kenneth BakerAug 30, 2025
    What to do if SolaX Power X3-25K-TL displays Insulation Resistance Abnormal?
    • S
      Susan HernandezAug 30, 2025
      If your SolaX Power Inverter displays 'Insulation Resistance Abnormal', it indicates a short circuit between the PV strings and the protection ground, or that the PV strings are in a long-term moist environment. Check the insulation resistance against the ground for the PV strings and fix any short circuits. If the insulation resistance is less than the default value in a rainy environment, set Insulation resistance protection on the mobile app.
  • A
    Amanda StewartSep 1, 2025
    What to do if SolaX Power X3-25K-TL Inverter shows PV Under Voltage?
    • J
      Joseph SimmonsSep 1, 2025
      If your SolaX Power Inverter shows 'PV Under Voltage', it means the input voltage from the PV modules is below the inverter's protection value. This can happen when sunlight is weak, in which case no action is needed. However, if it occurs when sunlight is strong, check for short circuits or open circuits in the PV strings.
  • S
    Sarah HarringtonSep 3, 2025
    What to do if my SolaX Power X3-25K-TL's remote monitor displays zero power generation?
    • C
      Chelsea DelacruzSep 3, 2025
      This issue is caused by a communications outage. If you're using a modem or other data logger, try rebooting it.
  • B
    Brian MarshallSep 5, 2025
    What to do if SolaX Power X3-25K-TL shows BUS Under Voltage?
    • J
      Jose StewartSep 6, 2025
      If your SolaX Power Inverter displays a 'BUS Under Voltage' alarm, it indicates an abnormal internal energy control imbalance, triggered by sharp changes in PV strings or grid working conditions. If the alarm occurs occasionally, the inverter should automatically recover.
  • M
    Miss Rebecca Gilbert MDSep 8, 2025
    Why SolaX Power X3-25K-TL shows Zero power generation and Yellow alarm light illuminating in remote monitor system?
    • E
      Emily ArellanoSep 8, 2025
      This issue is caused by a communications outage. If you're using a modem or other data logger, try rebooting it.

Summary

Forward

Application Model

Specifies the grid-tied PV string inverter models covered by the manual.

Intended Audience

Identifies the target users for this user manual.

Symbol Conventions

DANGER Symbol

Indicates an imminently hazardous situation leading to serious injury or death.

WARNING Symbol

Indicates a potentially hazardous situation leading to serious injury or death.

CAUTION Symbol

Indicates a potentially hazardous situation leading to moderate or minor injury.

NOTICE Symbol

Indicates a potentially hazardous situation leading to equipment failure or property damage.

NOTE Symbol

Calls attention to important information, best practices, and tips.

REFER Symbol

Refers to additional documentation for further information.

Safety Precautions

Personnel Safety

Outlines safety requirements for trained technicians and users.

PV Inverter Protection

Details how to protect the inverter from damage and tampering.

Installation Safety

Covers critical safety aspects related to inverter installation.

Electrical Connections Safety

Covers safety precautions for electrical connections.

Operating and Commissioning Safety

Details safety precautions during operation and commissioning.

Maintenance Safety

Outlines safety precautions for inverter maintenance.

Additional Information

Provides advice on handling unforeseen issues and contacting the dealer.

Overview of the Inverter

Functional Models

Describes the inverter's function and available models.

Network Application

Explains the grid-tied PV power systems application context.

Outline and Dimensions

Provides physical dimensions and overall layout of the inverter.

Outline Details

Shows detailed front, rear, and bottom views of the inverter.

Working Modes

Explains the different operating modes of the inverter.

Storage

Installation

Checking the Outer Packing

Guides on inspecting the inverter package upon arrival.

Moving the Inverter

Provides instructions for safely moving the inverter.

Identify the PV Inverter

Explains how to identify the inverter using its nameplate and symbols.

Installation Requirements

Details general requirements for inverter installation.

Installation Position Requirements

Specifies criteria for selecting the inverter's installation location.

Support-mounting the Inverter

Details the process for mounting the inverter using a support structure.

Installation Mode Requirements

Specifies correct and incorrect installation orientations.

Installation Self-check

Lists checks to perform after inverter installation.

Electrical Connections

Connecting Protection Ground (PGND) Cables

Details how to connect the grounding cables to the inverter.

Wiring Procedures for PGND Cables

Step-by-step guide for connecting PGND cables.

Connecting AC Output Cables

Explains how to connect AC output cables to the inverter.

Procedure for Connecting AC Cables

Step-by-step guide for connecting AC output cables.

Connecting the PV Strings

Guides on connecting the PV strings to the inverter.

Preparation for PV String Connection

Details preparation for connecting PV strings, including route and cable specs.

Procedure for Connecting PV Strings

Step-by-step guide for connecting PV strings.

Connecting Communication Cables

Explains how to connect communication cables.

Communication Mode Description

Describes available communication modes (Bluetooth, WiFi, GPRS, RS485).

RS485 Communications Mode

Illustrates RS485 connection for single and multiple inverters.

Connecting RS485 Communications Cables

Provides steps for connecting RS485 communication cables.

Setting RS485 Communication Address

Guides on setting the RS485 communication address.

Installation Verification

Lists items to check after inverter installation.

System Operation

Powering ON the Inverter

Step-by-step guide to power on the inverter.

Powering OFF the Inverter

Step-by-step guide to power off the inverter.

User Interface

LED Indicator Status

Explains the meaning of different LED indicator statuses.

Maintenance

Routine Maintenance

Outlines regular maintenance tasks for the inverter.

Inverter Troubleshooting

Provides troubleshooting measures for common inverter faults.

Removing the Inverter

Provides procedures for safely removing the inverter.

Quality Guarantee

Quality Terms

Details the terms and conditions of the product warranty.

Liability Waiver

Lists situations that void the warranty or liability.

Disposal of the Inverter

Technical Specifications

SolaX Power X3-25K-TL Specifications

General IconGeneral
ModelX3-25K-TL
TypeString Inverter
Rated Output Power25000W
Max. DC Voltage1100V
Start Voltage200 V
MPPT Voltage Range200-1000V
Number of MPPTs2
Max. AC Apparent Power27500VA
Rated AC Voltage400 V
THDi<3%
AC Grid Frequency50/60 Hz
Max. Efficiency98.6%
Protection DegreeIP65
Max. DC Power30000 W
Operating Temperature Range-25°C to +60°C
CommunicationRS485, WiFi
Humidity0-100% (non-condensing)

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