Hoymiles HM-300 User Manual
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Hoymiles HM-300 User Manual

Single-phase microinverter
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Single-phase Microinverter
USER MANUAL
HM-300
HM-350
HM-400
Region: Global V202203
hoymiles.com

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Summary of Contents for Hoymiles HM-300

  • Page 1 Open Energy for All Single-phase Microinverter USER MANUAL HM-300 HM-350 HM-400 Region: Global V202203 hoymiles.com...
  • Page 2 PV module, consequently improving the flexibility and reliability of the system About the Manual This manual contains important instructions for the HM-300/HM-350/HM-400 Microinverter and must be read in its entirety before installing or commissioning the equipment. For safety purposes, only a qualified technician who has received training or has demonstrated competence may install and maintain this microinverter under the guidance of this document.

  • Page 3: Table Of Contents

    6.5 Routine Maintenance 6.6 Microinverter Replacement 7. Decommissioning 7.1 Decommissioning 7.2 Storage and Transportation 7.3 Disposal 8. Technical Data 8.1 DC Input 8.2 AC Output 8.3 Efficiency, Safety and Protection 8.4 Mechanical Data 8.5 Features © 2022 Hoymiles Power Electronics Inc. All rights reserved.
  • Page 4 Installation Map Appendix 2: WIRING DIAGRAM – 230 VAC SINGLE-PHASE: WIRING DIAGRAM – 230 VAC/400 VAC THREE-PHASE: WIRING DIAGRAM – 120 VAC/240 VAC SPLIT-PHASE: WIRING DIAGRAM – 120 VAC/208 VAC THREE-PHASE: © 2022 Hoymiles Power Electronics Inc. All rights reserved.

  • Page 5: Important Notes

    Indicates that the described operation must not be carried out. The reader should stop, use with caution and fully understand the operations explained before proceeding. © 2022 Hoymiles Power Electronics Inc. All rights reserved.

  • Page 6: About Safety

    Do not use the equipment if any anomalies are discovered while operating. Avoid temporary repairs. • All repairs should be carried out by using only qualified spare parts, which must be installed in accordance with their intended use and by a licensed contractor or authorized Hoymiles service representative. •...

  • Page 7: Explanation Of Symbols

    2) Increase the separation between the microinverter and the receiving antenna. 3) Place a shield between the microinverter and the receiving antenna, such as a metal/concrete roof. 4) Contact your dealer or an experienced radio/TV technician for help. © 2022 Hoymiles Power Electronics Inc. All rights reserved.

  • Page 8: About Product

    “Daisy-Chain Single Unit Microinverter” with wide DC input operating voltage range (16 V–60 V) and low start-up voltage (22 V only). The Hoymiles Single Unit Microinverter HM-300/HM-350/HM-400 is a reliable solution for PV systems with an uneven number of panels, and offers high CEC weighted efficiency – 96.50% (peak efficiency 96.70%) in 2015.

  • Page 9: About Function

    • The current condition contradicts with the microinverter operating requirements. • No household loads or the export control value has been set as “0” on the DTU in the Zero Export Control mode. © 2022 Hoymiles Power Electronics Inc. All rights reserved.

  • Page 10: About Installation

    UV, etc. Allow a minimum of 2 cm of space around the microinverter enclosure to ensure ventilation and heat dissipation. *Note: For some countries, the DTU will be required to meet local grid regulations (e.g. G98/99 for UK). Microinverter © 2022 Hoymiles Power Electronics Inc. All rights reserved.

  • Page 11: Required Space Distance

    PV modules to make sure that it operates in a shaded or shadowed environment. If this condition cannot be met, it may trigger the microinverter production de- rating. Fig.1 Microinverter installation position © 2022 Hoymiles Power Electronics Inc. All rights reserved.

  • Page 12: Installation Step

    Part 3 AC Cable cable. 3. Plug the AC port Part 2 into Part 1 once the wiring is complete, then screw on Part 3 to complete the AC extension cable. © 2022 Hoymiles Power Electronics Inc. All rights reserved.
  • Page 13 Refer to the DTU User Manual or DTU Quick Installation Guide, and Quick Installation Guide for S-Miles Cloud (Hoymiles Monitoring Platform) Online Registration to install the DTU and set up your monitoring system. © 2022 Hoymiles Power Electronics Inc. All rights reserved.

  • Page 14: Troubleshooting

    Single-phase Microinverter User Manual 6. Troubleshooting This microinverter can only work with the new Hoymiles DTU (DTU-Pro, DTU-Lite and DTU-W100/DTU-G100) with the following serial number. Model Serial Number 10F7xxxxxxxx DTU-Pro 10F8xxxxxxxx 10FAxxxxxxxx DTU-G100 10D2xxxxxxxx DTU-W100 10D3xxxxxxxx DTU-Lite 10D6xxxxxxxx Troubleshooting List...
  • Page 15 2. If the alarms occur frequently on all the microinverters in your Island detected station, contact the local power operator to check whether there is a grid island. 3. If the alarm still exists, contact your dealer or Hoymiles Technical Service Center. © 2022 Hoymiles Power Electronics Inc. All rights reserved.
  • Page 16 1. If the alarm occurs accidentally and the microinverter can still function normally, no special treatment is required. Hardware error code 308 2. If the alarm occurs frequently and cannot be restored, contact your dealer or Hoymiles Technical Service Center. © 2022 Hoymiles Power Electronics Inc. All rights reserved.

  • Page 17: Status Led Indicator

    (3) Other Status • Alternating red and green flashing: Firmware is corrupted. *Note: All faults are reported to the DTU, refer to the local DTU app or S-Miles Cloud (Hoymiles Monitoring Platform) for more information. Insulation Resistance Detection There is a resistance sensor in the microinverter to measure the resistance between the outputs of PV module and the ground.

  • Page 18: On-Site Inspection (For Qualified Installer Only)

    Avoid temporary repairs. All repairs should be carried out by using only genuine spare parts. If all microinverters connect to the DTU-Pro, the DTU can limit the output power imbalance of all microinverters between phases to below 3.68 kW if required. Please refer to the “Hoymiles Technical Note Limit Phase Balance” for more details.

  • Page 19: Microinverter Replacement

    “Devices” page to find the device that you just replaced. Click the “Device Maintenance” button to jump to the new page and select “Replace Device”. Enter the new microinverter’s SN and click the “OK” button to complete the replacement. © 2022 Hoymiles Power Electronics Inc. All rights reserved.

  • Page 20: Decommissioning

    Storage and Transportation Hoymiles packages and protects individual components by using suitable means to facilitate the transport and subsequent handling. Transportation of the equipment, especially by road, must be carried out by using means that are suitable for protecting the components (in particular, the electronic components) from violence, shocks, humidity, vibration, etc.

  • Page 21: Technical Data

    DC short-circuit current. The output DC power of the PV module is NOT recommended to exceed 1.35 times the output AC power of the microinverter. Refer to the “Hoymiles Warranty Terms & Conditions” for more information.

  • Page 22: Efficiency, Safety And Protection

    12 years standard, 25 years optional VDE-AR-N 4105:2018, EN 50549-1:2019, VFR2019, Compliance AS 4777.2:2015, IEC/EN 62109-1/-2, IEC/EN 61000-3-2/-3, IEC/EN- 61000-6-1/-2/-3/-4 *Note: Voltage and frequency ranges can be extended beyond nominal if required by the utility. © 2022 Hoymiles Power Electronics Inc. All rights reserved.

  • Page 23: Appendix 1

    DTU Serial Number Please Make N for North Panel type: Customer Information: DTU Serial Number: Azimuth: Azimuth: Tilt: Tilt: Sheet_____of_____ Sheet ___ of ___ COLUMN To sheet ______ To sheet ____ © 2022 Hoymiles Power Electronics Inc. All rights reserved.

  • Page 24: Appendix 2

    Single-phase Microinverter User Manual Appendix 2: WIRING DIAGRAM – 230 VAC SINGLE-PHASE: © 2022 Hoymiles Power Electronics Inc. All rights reserved.

  • Page 25: Wiring Diagram - 230 Vac/400 Vac Three-Phase

    Single-phase Microinverter User Manual WIRING DIAGRAM – 230 VAC/400 VAC THREE-PHASE: © 2022 Hoymiles Power Electronics Inc. All rights reserved.

  • Page 26: Wiring Diagram - 120 Vac/240 Vac Split-Phase

    Single-phase Microinverter User Manual WIRING DIAGRAM – 120 VAC/240 VAC SPLIT-PHASE: © 2022 Hoymiles Power Electronics Inc. All rights reserved.

  • Page 27: Wiring Diagram - 120 Vac/208 Vac Three-Phase

    Single-phase Microinverter User Manual WIRING DIAGRAM – 120 VAC/208 VAC THREE-PHASE: © 2022 Hoymiles Power Electronics Inc. All rights reserved.

This manual is also suitable for:

Hm-350Hm-400

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