Hoymiles MI-600NT User Manual
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Hoymiles MI-600NT User Manual

Microinverter
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Version 1.1 (June 2020)

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Summary of Contents for Hoymiles MI-600NT

  • Page 1 Version 1.1 (June 2020)
  • Page 2 About the Manual This manual contains important instructions for the MI-600NT/MI-700NT/MI-800NT Microinverter and must be read in its entirety before installing or commissioning the equipment. For safety, only qualified technician, who has received training or has demonstrated skills can install and maintain this Microinverter under the guide of this document.

  • Page 3: Table Of Contents

    6.4 Routine Maintenance ..........................20 6.5 Replace Microinverter ..........................20 7. Decommissions ..............................21 7.1 Decommissions ............................21 7.2 Storage and Transportation ........................22 7.3 Disposal ..............................22 8. Technical Data ..............................22 © 2019 Hoymiles Converter Technology Co., Ltd. All rights reserved.
  • Page 4 Appendix 1: ................................25 Installation Map ..............................25 Appendix 2: ................................26 WIRING DIAGRAM –120VAC / 240VAC SPLIT PHASE: ................26 WIRING DIAGRAM – 120VAC / 208VAC THREE PHASE: ............... 27 © 2019 Hoymiles Converter Technology Co., Ltd. All rights reserved.

  • Page 5: Important Notes

    2. About Safety 2.1 Important Safety Instructions The MI-600NT/MI-700NT/MI-800NT Microinverter is designed and tested according to international safety requirements. However, certain safety precautions must be taken when installing and operating this inverter. The installer must read and follow all instructions, cautions and warnings in this installation manual.

  • Page 6: Explanation Of Symbols

    Ø Do not use the equipment if any operating anomalies are found. Avoid temporary repairs. Ø All repairs should be carried out 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: Radio Interference Statement

    3.1 About 2 in 1 Unit “The world’s First Daisy-Chain 2 in 1 Unit Microinverter” with extremely wide DC input operating voltage range (16-60V) and low start-up voltage (22V only). © 2019 Hoymiles Converter Technology Co., Ltd. All rights reserved.

  • Page 8: Highlights

    MI-600NT/MI-700NT/MI-800NT Hoymiles 2 in 1 unit Microinverter MI-600NT/MI-700NT/MI-800NT is the perfect selection for PV system with uneven number of panels with world’s NO.1 CEC weighted efficiency – 96.50% (peak efficiency 96.70%) in 2015. 3.2 Highlights Peak output power up to 600W/700W/800W; Adapted to 60 & 72 cells PV panels.

  • Page 9: About Function

    *Note: All accessories above are not included in the package, and need to be purchased separately. Please contact our sales representative for the price. (M8 screws need to be prepared by installer-self.) © 2019 Hoymiles Converter Technology Co., Ltd. All rights reserved.

  • Page 10: Space Distance Required

    DTUs and the microinverters. 5.4 Preparation Installation of the equipment is carried out based on the system design and the place in which the equipment is installed. © 2019 Hoymiles Converter Technology Co., Ltd. All rights reserved.

  • Page 11: Pre-Installation

    A) Plan the cable length to make the bus cable aligned with each PV module. B) Install the AC bus end cap: ü Use the bus connector unlock tool to unlock the port upper cover; © 2019 Hoymiles Converter Technology Co., Ltd. All rights reserved.

  • Page 12: Installation Steps

    C) Hang the microinverter on the screw (shown as picture below), and tighten the screw.The silver cover side of the Microinverter should be facing the panel. *Note: Please install the microinverter at least 50cm above the ground/roof for better communication with Hoymiles DTU.
  • Page 13 B) Connect the other side of the AC end cable to the distribution box, and wire it to the local grid network. Step 4. Create an Installation Map A) Peel the removable serial number lable from each microinverter (The position of the label is © 2019 Hoymiles Converter Technology Co., Ltd. All rights reserved.
  • Page 14 Affix the serial number label to the respective location on the installation map. Step 5. Connect PV Modules Mount the PV modules above the microinverter. B) Connect the PV modules’ DC cables to the DC input side of the microinverter. © 2019 Hoymiles Converter Technology Co., Ltd. All rights reserved.

  • Page 15: Troubleshooting

    1.Check if the grid configuration parameter is correct and upgrade Grid configuration again. parameter error 2. If the fault still exists, contact your dealer or Hoymiles technical support. 1. If the alarm occurs accidentally and the microinverter can still work Software error code normally, no special treatment is required.
  • Page 16 The microinverter can recover automatically after grid Grid underfrequency frequency becomes normal. 2. If the alarm occurs frequently, check whether the grid frequency is within the acceptable range. If no, contact the local power operator or © 2019 Hoymiles Converter Technology Co., Ltd. All rights reserved.
  • Page 17 2. If the alarms occur frequently on all the microinverters in your 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 support. 1.Please make sure that the PV module open-circuit voltage is less Input port1 than or equal to the maximum input voltage.

  • Page 18: Status Led Indicator

    2. If the alarm occurs frequently and cannot be recovered, contact your dealer or Hoymiles technical support. 6.2 Status LED Indicator The LED flashes five times at start up. All green flashes (1s gap) indicate normal start up. © 2019 Hoymiles Converter Technology Co., Ltd. All rights reserved.

  • Page 19: On-Site Inspection (For Qualified Installer Only)

    ü Flashing Red and Green alternately: Firmware is corrupted. *Note: All the faults are reported to the DTU, refer to the local APP of the DTU or Hoymiles Monitoring Platform for more information. 6.3 On-site Inspection (For qualified installer only) To troubleshoot an inoperable microinverter, follow the steps in the order shown.

  • Page 20: Routine Maintenance

    Remove the PV panel from the racking, and cover the panel. Ø Using a meter to measure and make sure there is no current flowing in the DC wires between panel and microinverter. © 2019 Hoymiles Converter Technology Co., Ltd. All rights reserved.

  • Page 21: Decommissions

    Please pack the Microinverter with the original packaging, or use the carton box that can afford 5kg weight and can be fully closed if the original packaging is no longer available. © 2019 Hoymiles Converter Technology Co., Ltd. All rights reserved.

  • Page 22: Storage And Transportation

    MI-600NT/MI-700NT/MI-800NT 7.2 Storage and Transportation Hoymiles packages and protects individual components using suitable means to make the transport and subsequent handling easier. Transportation of the equipment, especially by road, must be carried out by suitable ways for protecting the components (in particular, the electronic components) from violent, shocks, humidity, vibration, etc.

  • Page 23: Dc Input

    Ambient temperature range (℃) -40 ~ +65 -40 ~ +65 -40 ~ +65 Storage temperature range (℃) -40 ~ +85 -40 ~ +85 -40 ~ +85 Dimensions (W×H×D mm) 250×170×28 © 2019 Hoymiles Converter Technology Co., Ltd. All rights reserved.

  • Page 24: Features

    Confirms with NEC-2014 and NEC-2017 Article PV Rapid Shutdown 690.12 and CEC-2018 Sec 64-218 Rapid Shutdown of PV Systems *Note: Voltage and frequency ranges can be extended beyond nominal if required by the utility. © 2019 Hoymiles Converter Technology Co., Ltd. All rights reserved.

  • Page 25: Installation Map

    MI-600NT/MI-700NT/MI-800NT Appendix 1: Installation Map © 2019 Hoymiles Converter Technology Co., Ltd. All rights reserved.

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

    MI-600NT/MI-700NT/MI-800NT Appendix 2: WIRING DIAGRAM –120VAC / 240VAC SPLIT PHASE: © 2019 Hoymiles Converter Technology Co., Ltd. All rights reserved.

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

    MI-600NT/MI-700NT/MI-800NT WIRING DIAGRAM – 120VAC / 208VAC THREE PHASE: © 2019 Hoymiles Converter Technology Co., Ltd. All rights reserved.

This manual is also suitable for:

Mi-700ntMi-800nt

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