Hoymiles HMS-300-1T User Manual
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Hoymiles HMS-300-1T User Manual

Single-phase microinverter
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Open Energy for All
Single-phase Microinverter
USER MANUAL
HMS-300-1T
HMS-350-1T
HMS-400-1T
HMS-450-1T
HMS-500-1T
Region: Europe V202201
hoymiles.com

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Summary of Contents for Hoymiles HMS-300-1T

  • Page 1 Open Energy for All Single-phase Microinverter USER MANUAL HMS-300-1T HMS-350-1T HMS-400-1T HMS-450-1T HMS-500-1T Region: Europe V202201 hoymiles.com...
  • Page 2 Other Information Product information is subject to change without notice. User manual will be updated regularly, so please refer to Hoymiles official website at www.hoymiles.com for the latest version. © 2022 Hoymiles Power Electronics Inc. All rights reserved.

  • Page 3: Table Of Contents

    10.1 WIRING DIAGRAM – 230VAC SINGLE PHASE: 10.2 WIRING DIAGRAM – 230VAC / 400VAC THREE PHASE: 10.3 WIRING DIAGRAM –120VAC / 240VAC SPLIT PHASE: 10.4 WIRING DIAGRAM – 120VAC / 208VAC THREE PHASE: © 2022 Hoymiles Power Electronics Inc. All rights reserved.

  • Page 4: Important Notes

    · HMS-500-1T *Note: “300” means 300 W. “350” means 350 W, “400” means 400 W. “450” means 450 W, “500” means 500 W. *Note: HMS-300/350/400/450/500-1T is only compatible with Hoymiles gateway DTU-Pro-S and DTU-Lite-S. 1.2 Target Group This manual is only for qualified technicians. For safety purposes, only those who have been trained or demonstrate relevant skills can install and maintain this microinverter under the guidance of this document.

  • Page 5: About Safety

    All repairs must be done with qualified spare parts which must be installed in accordance with their intended use and by a licensed contractor or authorized Hoymiles service representative. • Liabilities arising from components that are not produced by Hoymiles are on the part of their re- spective manufacturers. •...

  • Page 6: Explanation Of Symbols

    The inverter complies with the Low Voltage Directive for the European Union. FCC mark The inverter complies with the FCC standards. Read manual first Please read the installation manual first before installation, operation and main- tenance. © 2022 Hoymiles Power Electronics Inc. All rights reserved.

  • Page 7: About Product

    Moreover, microinverter only carries a few dozen volts of DC voltage (less than 80 volts), which reduces safety hazards to the greatest extent. Hoymiles microinverters feature module-level monitoring. Microinverter data are collected by DTU via wire- less transmission and are sent to Hoymiles motoring platform S-Miles Cloud.

  • Page 8: About 1-In-1 Unit

    Sub-1G Sub-1G Microinverter This manual is about Hoymiles 1-in-1 microinverter. With the output power up to 500 VA, Hoymiles new HMS- 500 series rank among the highest for 1-in-1 microinverters. 3.4 About Sub-1G Technology HMS-500 series of microinverter adopts the new Sub-1G wireless solution which enables more stable com- munication with Hoymiles gateway DTU.

  • Page 9: Terminals Introduction

    Single-phase Microinverter HMS-300/350/400/450/500-1T 3.6 Terminals Introduction Object Description Sub-1G Wireless Terminal DC Connectors AC Sub Connector 3.7 Dimensions (mm) © 2022 Hoymiles Power Electronics Inc. All rights reserved.

  • Page 10: Installation Preparation

    Note: The voltage of modules (considering the effect of local temperature) must not exceed the maximum input voltage of the microinverter. Otherwise, the microinverter may be damaged (refer to the Technical Data section to determine the absolute maximum input voltage). © 2022 Hoymiles Power Electronics Inc. All rights reserved.

  • Page 11: Installation Tools

    Hoymiles HMS-300-1T/HMS-350-1T/HMS-400-1T/HMS-450-1T/HMS-500-1T can be used with 12AWG or 10AWG AC Trunk Cable and the AC Trunk Connector which are provided by Hoymiles. The number of micro- inverters on each 12AWG or 10AWG AC branch shall not exceed the limit as shown below.

  • Page 12: Precautions

    Install only on structures specifically designed for PV modules (supplied by installation technicians). • Install microinverter underneath PV modules to make sure it works in the shadow. Nonobservance may cause the derating of inverter production. © 2022 Hoymiles Power Electronics Inc. All rights reserved.

  • Page 13: Microinverter Installation

    B ) Fix the screws on the rail. Mounting Torque : 9 N·m C ) Hang the microinverter on the screws, and tighten the screws. The silver cover side of the microinverter should be facing the panel. © 2022 Hoymiles Power Electronics Inc. All rights reserved.
  • Page 14 A ) Select the appropriate AC Trunk Cable according to the spacing between microinverters. The connec- tors of the AC Trunk Cable should be spaced based on the spacing between microinverters to ensure that they can properly matched. (Hoymiles provides AC Trunk Cable with different AC Trunk Connec- tor spacing.) B ) Determine how many microinverters you plan to install on each AC branch and prepare AC Trunk Connectors accordingly.
  • Page 15 Trunk connectors. E ) Attach the AC Trunk Cable to the mounting rail and fix the cable with tie wraps. © 2022 Hoymiles Power Electronics Inc. All rights reserved.
  • Page 16 Refer to the “DTU User Manual”, “DTU Quick Installation Guide”, and “Quick Installation Guide for S-Miles Cloud” to install the DTU and set up the monitoring system. Product information is subject to change without notice. (Please download reference manuals at www.hoymiles.com) © 2022 Hoymiles Power Electronics Inc. All rights reserved.

  • Page 17: Troubleshooting

    1.Check if the grid configuration parameter is correct and upgrade. Grid configuration parameter error 2. If the fault still exists, contact your dealer or Hoymiles technical support team. 1.Check if the firmware is correct and has been upgraded. 2.Check the communication between DTU and Hoymiles monitoring system, and between DTU and microinverter.
  • Page 18 If not, contact the local power operator or change the grid undervoltage protection limit in the grid profile via Hoymiles monitoring system with the consent of the local power operator. 3. If the fault still exists, check the AC switch or AC wiring.
  • Page 19 1. If the alarm occurs occasionally and the microinverter can 301- still work normally, no special treatment is required. Device failure 2. If the alarm occurs frequently and cannot be recovered, contact your dealer or Hoymiles technical support team. © 2022 Hoymiles Power Electronics Inc. All rights reserved.

  • Page 20: Led Indicator Status

    1. The microinverter is powered by DC side. If the LED light is not on, please check the DC side connection. If the connection and input voltage are normal, contact your dealer or hoymiles technical support team. 2. All the faults are reported to the DTU. Refer to the local DTU app or Hoymiles Monitoring Platform for more information.

  • Page 21: On-Site Inspection (For Qualified Installer Only)

    Make sure that PV modules’ DC voltage is within the allowable range shown in the Technical Data section of this manual. If the problem persists, please call Hoymiles customer support. Do not try to repair the microinverter by yourself. If the troubleshooting fails, please return it to the factory for replacement.

  • Page 22: Microinverter Replacement

    “Device List” page and find the device that you just replaced. Please click “Device Maintenance” on the right side of the page, and select “Replace Device”. Input the new microinverter’s SN and click “Ok” to complete the station change. © 2022 Hoymiles Power Electronics Inc. All rights reserved.

  • Page 23: Decommission

    5 kg and can be fully closed. 7.2 Storage and Transportation Hoymiles packages are specially designed to protect components so as to facilitate transportation and subsequent handling. Transportation of the equipment, especially by road, must be done in a way that can protect the components (particularly the electronic components) from violent shocks, humidity, vibration, etc.

  • Page 24: Technical Data

    Single-phase Microinverter HMS-300/350/400/450/500-1T 8. Technical Data Be sure to verify the following before installing Hoymiles Microinverter System. 1. Verify that the voltage and current specifications of the PV module match those of the microinverter. • The maximum open circuit voltage rating of the PV module must be within the operating voltage range of the microinverter.

  • Page 25: Appendix

    Single-phase Microinverter HMS-300/350/400/450/500-1T 9. Appendix 1: 9.1 Installation Map To sheet ______ © 2022 Hoymiles Power Electronics Inc. All rights reserved.

  • Page 26: Appendix

    Single-phase Microinverter HMS-300/350/400/450/500-1T 10. Appendix 2: 10.1 WIRING DIAGRAM – 230VAC SINGLE PHASE: © 2022 Hoymiles Power Electronics Inc. All rights reserved.

  • Page 27: Wiring Diagram - 230Vac / 400Vac Three Phase

    Single-phase Microinverter HMS-300/350/400/450/500-1T 10. Appendix 2: 10.2 WIRING DIAGRAM – 230VAC / 400VAC THREE PHASE: © 2022 Hoymiles Power Electronics Inc. All rights reserved.

  • Page 28: Wiring Diagram -120Vac / 240Vac Split Phase

    Single-phase Microinverter HMS-300/350/400/450/500-1T 10. Appendix 2: 10.3 WIRING DIAGRAM –120VAC / 240VAC SPLIT PHASE: © 2022 Hoymiles Power Electronics Inc. All rights reserved.

  • Page 29: Wiring Diagram - 120Vac / 208Vac Three Phase

    Single-phase Microinverter HMS-300/350/400/450/500-1T 10. Appendix 2: 10.4 WIRING DIAGRAM – 120VAC / 208VAC THREE PHASE: © 2022 Hoymiles Power Electronics Inc. All rights reserved.

This manual is also suitable for:

Hms-350-1tHms-400-1tHms-450-1tHms-500-1t

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