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Hoymiles HMS-2000 - User Manual

Hoymiles HMS-2000
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© 2021 Hoymiles Power Electronics Inc. All rights reserved.
1
Single-phase Microinverter HMS-1800/2000
Open Energy for All
Single-phase Microinverter
HMS-1800
HMS-2000
USER MANUAL
Region: Global V202109 hoymiles.com

Table of Contents

Questions and Answers

  • M
    Matthew PetersonAug 8, 2025
    What does '10 min value grid overvoltage' mean on my Hoymiles HMS-2000 and how to fix it?
    • J
      jennifer18Aug 8, 2025
      If you occasionally see the '10 min value grid overvoltage' alarm on your Hoymiles Inverter, it might be due to a temporary issue with the grid voltage, and the microinverter should automatically recover when the voltage stabilizes. However, if this alarm appears frequently, check to ensure the grid voltage is within the correct range. If it's outside the range, contact your local power operator or, with their approval, adjust the grid overvoltage protection limit using the Hoymiles monitoring system.
  • J
    jacqueline02Aug 13, 2025
    Why does my Hoymiles Inverter show grid overvoltage?
    • R
      Ryan MitchellAug 13, 2025
      If the grid overvoltage alarm occurs occasionally on your Hoymiles Inverter, it could be due to temporary grid voltage fluctuations, and the microinverter should automatically recover once the voltage returns to normal. However, if the alarm appears frequently, verify that your grid voltage is within the acceptable range. If it's not, you should contact your local power operator or, with their consent, adjust the grid overvoltage protection limit through the Hoymiles monitoring system.
  • L
    Lisa FarleyAug 18, 2025
    What to do if my Hoymiles Inverter is offline?
    • F
      fmorganAug 18, 2025
      First, ensure that the Hoymiles microinverter is functioning correctly by checking if the DC voltage is within the normal range and verifying the LED indicator status. Next, confirm that the serial number (SN) on the microinverter label matches the one on the monitoring platform. Then, check the communication status between the DTU and the Hoymiles monitoring system, as well as between the DTU and the microinverter itself; if the communication is poor, try to improve it.
  • P
    phobbsAug 23, 2025
    How to resolve grid configuration parameter error on Hoymiles HMS-2000?
    • T
      thomas32Aug 23, 2025
      Verify that the grid configuration parameter is correct and attempt the upgrade again.
  • M
    Michael HatfieldAug 28, 2025
    What to do if my Hoymiles HMS-2000 Inverter is shut down by remote control?
    • L
      Laura SpenceAug 28, 2025
      Check the status of zero export management and confirm whether the Hoymiles microinverters were manually shut down.
  • V
    Vincent DavisSep 2, 2025
    How to fix over temperature protection on Hoymiles HMS-2000?
    • K
      Kevin DaviesSep 2, 2025
      Check the ventilation and ambient temperature at the microinverter installation position. If the ventilation is poor or the ambient temperature exceeds the limit, improve the ventilation and heat dissipation.

Summary

2. About Safety

2.1 Important Safety Instructions

Lists critical safety precautions for installation, operation, and maintenance of the microinverter.

2.2 Explanation of Symbols

4. Installation Preparation

4.1 Position and Space Required

Specifies requirements for microinverter placement, ventilation, and heat dissipation.

4.2 Connecting multiple PV modules to microinverter

4.4 AC Branch Circuit Capacity

Details the maximum number of microinverters per AC branch based on cable gauge and voltage.

4.5 Precautions

Outlines critical safety and operational precautions during installation.

5. Microinverter Installation

Step 1. Plan and Install the Microinverter

Covers marking positions, fixing screws, and hanging the microinverter onto the rail.

Step 2. Plan and Build the AC Trunk Cable

Explains how to select, prepare, and assemble the AC trunk cable for connections.

Step 3. Complete the AC Connection

Details connecting the microinverter's AC sub connector and wiring to the distribution box.

Step 5. Connect PV Modules

Guides on mounting PV modules and connecting their DC cables to the microinverter.

Step 6. Energize the System

6. Troubleshooting

6.1 Troubleshooting List

Provides a table of common alarm codes, statuses, and handling suggestions.

6.2 LED Indicator Status

6.3 On-site Inspection (For qualified installer only)

Lists steps for qualified installers to inspect and troubleshoot malfunctioning microinverters.

6.4 Routine Maintenance

6.5 Replace Microinverter

Details the process for removing and replacing a microinverter, including platform updates.

8. Technical Data

10. Appendix 2: Wiring Diagrams

10.1 WIRING DIAGRAM - 230 VAC SINGLE PHASE:

10.2 WIRING DIAGRAM - 230 VAC; 400 VAC THREE PHASE:

10.3 WIRING DIAGRAM -120 VAC; 240 VAC SPLIT PHASE:

10.4 WIRING DIAGRAM - 120 VAC; 208 VAC THREE PHASE:

Hoymiles HMS-2000 Specifications

General IconGeneral
Maximum Output Current8.7 A
Total Harmonic Distortion<3%
Maximum Output Power2000 W
Efficiency96.5%
Cooling MethodNatural Convection
Peak Power Tracking Voltage Range16V-60V
AC Output Power2000W
Nominal Output Frequency/Range50Hz/60Hz (45Hz-55Hz/55Hz-65Hz)
Power Factor>0.99
Output Frequency50/60 Hz
Output Voltage230V

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