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Sofar solar HYD 5- 20KTL-3PH Series - User Manual

Sofar solar HYD 5- 20KTL-3PH Series
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Shenzhen SOFARSOLAR Co., Ltd.
Energy storage integrated inverter
Product Model: HYD 5K~20KTL-3PH
User manual

Table of Contents

Questions and Answers

  • L
    Lee CarrilloAug 16, 2025
    What to do if my Sofar solar Inverter shows GridOVP frequently?
    • J
      Julia CervantesAug 16, 2025
      If the GridOVP alarm occurs frequently on your Sofar solar inverter, first check if the grid voltage or frequency is within the acceptable range. If the voltage or frequency is not within the acceptable range and the AC wiring is correct, contact technical support to change the grid over-voltage, under-voltage, over-frequency, and under-frequency protection points after getting approval from the local electrical grid operator. However, if the alarm occurs occasionally, the inverter should automatically return to normal when the electric grid returns to normal.
  • S
    stacey59Aug 19, 2025
    What causes PVOVP error on Sofar solar Inverter and how to fix it?
    • D
      Danielle HarrisonAug 19, 2025
      The PVOVP error on your Sofar solar inverter indicates that the PV series voltage (Voc) is higher than the maximum input voltage of the inverter. To resolve this, check whether the PV series voltage is indeed too high. If it is, adjust the number of PV modules in series to reduce the PV series voltage, ensuring it fits within the input voltage range of the inverter. After making this correction, the inverter should automatically return to its normal state.
  • N
    Nicholas ValdezAug 22, 2025
    How to prevent OverTempDerating on my Sofar solar HYD 5- 20KTL-3PH Inverter?
    • B
      bbarnettAug 22, 2025
      To prevent OverTempDerating on your Sofar solar inverter, ensure that the inverter is not exposed to direct sunlight. Additionally, make sure it is installed in a cool and well-ventilated place. Verify that the inverter is mounted vertically and that the ambient temperature remains below the inverter's temperature limit.
  • M
    Matthew ColemanAug 26, 2025
    Why does my Sofar solar Inverter show a BMSCommunicationFault?
    • C
      Catherine KellyAug 26, 2025
      A BMSCommunicationFault on your Sofar solar inverter may occur if your battery is not compatible with the inverter. CAN communication is recommended. Check the communication line or port of the battery and inverter for faults.
  • M
    Ms. Stacy YatesAug 28, 2025
    What to do if my Sofar solar HYD 5- 20KTL-3PH Inverter displays a GFCI error?
    • K
      Keith MitchellAug 28, 2025
      If your Sofar solar inverter displays a GFCI error, switch it OFF and wait for 5 minutes. Then, switch it back ON. If the problem persists, contact technical support.
  • J
    Joseph PerezAug 31, 2025
    What does VbusRmsUnbalance mean on my Sofar solar HYD 5- 20KTL-3PH Inverter?
    • D
      dawn49Aug 31, 2025
      VbusRmsUnbalance on your Sofar solar inverter indicates an internal fault. To attempt a fix, switch the inverter OFF, wait for 5 minutes, and then switch it back ON. If the problem continues, contact technical support.
  • H
    Helen SantiagoSep 3, 2025
    How to resolve TempFault_Bat error on Sofar solar Inverter?
    • S
      sheena87Sep 3, 2025
      To resolve a TempFault_Bat error on your Sofar solar inverter, ensure the inverter is installed where there is no direct sunlight. Also, verify that the inverter is placed in a cool and well-ventilated area. Make sure the inverter is installed vertically and that the ambient temperature is below the inverter's temperature limit.
  • T
    Tanya DonovanSep 6, 2025
    What should I do if my Sofar solar Inverter shows an IsoFault error?
    • M
      Meghan WhiteSep 6, 2025
      If your Sofar solar inverter displays an IsoFault error, check the insulation resistance between the photovoltaic array and ground. If there is a short circuit, repair the fault.
  • H
    Heather MillerSep 9, 2025
    What does RTC Fault mean on my Sofar solar HYD 5- 20KTL-3PH and how to fix it?
    • K
      Kristin StewartSep 9, 2025
      An RTC Fault on your Sofar solar inverter indicates an internal fault. To resolve this, switch OFF the inverter, wait for 5 minutes, then switch it back ON. If the problem persists, contact technical support.
  • J
    James ThompsonSep 12, 2025
    How to fix PvConfigError on Sofar solar HYD 5- 20KTL-3PH?
    • R
      Russell PearsonSep 12, 2025
      To fix a PvConfigError on your Sofar solar Inverter, check the PV input mode (parallel/independent mode) settings for the inverter and change the PV input mode if needed.

Summary

1. Basic safety information

1.1. Safety instructions

General safety guidelines for installation, operation, and maintenance of the inverter.

1.2. Symbols and signs

Explains hazard symbols and their meanings for safe operation and understanding warnings.

2. Product characteristics

2.3. Function characteristics

4. Installation

4.1. Installation Process

Step-by-step flowchart detailing the inverter installation sequence.

4.5. Installation Environment

4.8. Installing HYD 5-20 KTL-3 PH

Detailed steps for physically mounting the inverter onto the wall securely.

5. Electrical Connections

5.1. Wire instructions

5.3. Battery Connection & PV Connection

Detailed steps for connecting the battery and PV array input terminals correctly.

5.5. Grid connection

Steps for safely and correctly connecting the inverter to the electrical grid.

7. Operation (commission)

7.1. Double Check

7.2. First Time Setup

Crucial step-by-step guide for the initial power-on and configuration.

7.3.1 System setting

8. Troubleshooting

Fault Code List

Comprehensive list of fault codes, their descriptions, and potential solutions or actions.

Sofar solar HYD 5- 20KTL-3PH Series Specifications

General IconGeneral
Rated Power5-20 kW
Max DC Input Voltage1100 V
Max. DC Voltage1100 V
Start Voltage180 V
Number of MPPTs2
Rated AC Output Power5-20 kW
Max. AC Apparent Power22 kVA
Rated AC Voltage400 V
AC Voltage Range310-480 V
Rated Grid Frequency50/60 Hz
Total Harmonic Distortion (THD)<3%
Power Factor0.8 leading to 0.8 lagging
DC SwitchYes
Protection ClassIP65
CoolingNatural convection
ModelHYD 5-20KTL-3PH
TypeHybrid Inverter
Max. DC Input Power30000 W
MPPT Voltage Range200-850V
Operating Temperature Range-25°C to +60°C
CommunicationRS485, Wi-Fi

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