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Sofar solar HYD 20KTL-3PH - User Manual

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

Questions and Answers

  • J
    Jennifer KingSep 15, 2025
    What to do if Sofar solar HYD 20KTL-3PH Inverter AC frequency is too high?
    • D
      Deborah JordanSep 16, 2025
      If the AC frequency of your Sofar solar Inverter is too high, please ensure the grid frequency and voltage are within the acceptable range.
  • K
    Kathryn McfarlandAug 25, 2025
    What to do if Sofar solar HYD 20KTL-3PH Inverter displays GFCI error?
    • S
      scottcarlosAug 25, 2025
      If your Sofar solar inverter displays a GFCI error, switch OFF the inverter, wait for 5 minutes, and then switch it ON again to see if the problem is resolved. If the error persists, it may indicate internal faults of the inverter, and you should contact technical support for further assistance.
  • W
    Wendy MuellerAug 25, 2025
    What to do if Sofar solar HYD 20KTL-3PH Inverter displays TempFault_Bat error?
    • R
      Robert ThomasAug 26, 2025
      If your Sofar solar inverter displays a TempFault_Bat error, ensure that the battery NTC cable is properly connected for Inner BMS battery. Also, make sure the inverter is installed where there is no direct sunlight, in a cool and well-ventilated place. Ensure the inverter is installed vertically and the ambient temperature is below the inverter temperature limit.
  • N
    Nicholas DavisAug 26, 2025
    Why Sofar solar HYD 20KTL-3PH Inverter shows OverTempDerating?
    • A
      Allison DanielsAug 26, 2025
      The OverTempDerating error on your Sofar solar inverter indicates it's overheating. To resolve this, ensure the inverter is installed in a cool, well-ventilated area away from direct sunlight. Also, verify that the inverter is mounted vertically and that the ambient temperature is below the inverter's temperature limit.
  • T
    tsmithSep 16, 2025
    What to do if Sofar solar Inverter displays 'Battery low voltage protection'?
    • J
      Jocelyn BlackwellSep 16, 2025
      If your Sofar solar Inverter shows a 'Battery low voltage protection' message, check whether the battery voltage of the inverter is too low.
  • K
    Kathleen HuertaSep 23, 2025
    What to do if Sofar solar HYD 20KTL-3PH displays 'Master does not exist or is duplicate'?
    • J
      Jerry CrawfordSep 23, 2025
      If your Sofar solar Inverter shows 'Master does not exist or is duplicate', check the parallel mode settings for the inverter and ensure the wiring is correct.
  • J
    joseph53Sep 8, 2025
    How to fix PvConfigError on Sofar solar Inverter?
    • W
      Wendy MillerSep 8, 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.
  • R
    Robert BriggsSep 9, 2025
    What to do if Sofar solar Inverter shows grid overvoltage?
    • S
      slongSep 9, 2025
      If your Sofar solar Inverter is showing a grid overvoltage error occasionally, it might be due to temporary grid issues; the inverter should return to normal when the grid stabilizes. However, if this happens frequently, verify that the grid voltage/frequency is within the acceptable range. If it is, inspect the AC circuit breaker and AC wiring of the inverter. If the grid voltage/frequency is outside the acceptable range and the AC wiring is correct, and the alarm persists, you may need to contact technical support to adjust the grid over-voltage, under-voltage, over-frequency, under-frequency protection points, but only after getting approval from your local electrical grid operator.
  • A
    Ashley BensonSep 2, 2025
    Why does my Sofar solar HYD 20KTL-3PH Inverter show a BMSCommunicationFault?
    • J
      Justin ShepherdSep 2, 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.
  • B
    Brandi HansonAug 31, 2025
    What causes PVOVP error on Sofar solar HYD 20KTL-3PH and how to fix it?
    • D
      Dean ChavezAug 31, 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.

Summary

1. Basic Safety Information

1.1. Safety Instructions

Crucial safety guidelines for installation, operation, and maintenance.

1.2. Symbols and Signs

Defines and explains all safety symbols and signs used in the manual.

2. Product Characteristics

2.1. Product Information

Overview of the HYD 5-20KTL-3PH inverter's capabilities and features.

2.3. Function Characteristics

Details key functional features and performance aspects of the inverter.

4. Installation

4.1. Installation Process Overview

Step-by-step guide for installing the inverter.

4.8. Mounting the Inverter

Detailed steps for physically installing the inverter on a wall.

5. Electrical Connections

5.1. Wire and Cable Instructions

Specifies cable types, sizes, and connection points.

5.2. Connecting Grounding Cables

Procedure for connecting the protection ground (PGND) cables.

5.3. Battery and PV Connections

Steps for connecting battery and PV input terminals.

5.4. AC Load Connection

Procedure for connecting the AC load output.

5.5. AC Grid Connection

Steps for connecting the inverter to the AC grid.

7. Operation and Commissioning

7.1. Pre-Operation Double Check

Checklist before starting inverter operation or setup.

7.2. Initial Startup Procedure

Step-by-step guide for the first-time power-on and setup.

8. Battery System Wiring and Setup

8.1. Single Battery Pack Configuration

Wiring and setup for one battery pack on channel 1 or 2.

8.2. Two Battery Packs Configuration

Wiring and setup for two battery packs on channels 1 and 2.

8.3. Four Battery Packs Configuration

Wiring and setup for four battery packs in parallel.

8.4. Eight Battery Packs Configuration

Wiring and setup for eight battery packs in parallel.

9. Troubleshooting

9.1. General Troubleshooting Steps

Basic steps to identify and resolve inverter issues.

9.2. Event List and Fault Codes

Detailed information on fault codes and their solutions.

Sofar solar HYD 20KTL-3PH Specifications

General IconGeneral
Rated Output Power20000 W
Maximum Output Power22000 W
Max. DC Input Power30000 W
Max. DC Input Voltage1100 V
Input Voltage Range200-1000 V
Start Voltage250 V
Number of MPPTs2
Max Efficiency98.6%
Rated AC Output Power20000 W
Max. AC Apparent Power22000 VA
Max. AC Output Current32 A
Nominal AC Voltage400 V
AC Voltage Range310-480 V
Nominal Grid Frequency50/60 Hz
Output Frequency50/60 Hz
THDi<3%
THD<3%
DC SwitchYes
Protection DegreeIP65
Protection LevelIP65
Operating Temperature Range-25°C to +60°C
Power Factor0.8 leading to 0.8 lagging
CommunicationRS485, Wi-Fi
MPPT Voltage Range200-850 V

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