Hoymiles HM-300, User Manual, Page: 3 / 27

© 2022 Hoymiles Power Electronics Inc. All rights reserved.
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Single-phase Microinverter User Manual
CONTENTS
1. Important Notes 04
1.1 Product Range 04
1.2 Target User 04
1.3 Symbols Used 04
2. About Safety 05
2.1 Important Safety Instructions 05
2.2 Explanation of Symbols 06
2.3 Radio Interference Statement 06
3. About Product 07
3.1 About Single Unit 07
3.2 Highlights 07
3.3 Terminals Introduction 07
3.4 Dimension (mm) 07
4. About Function 08
4.1 Work Mode 08
5. About Installation 09
5.1 Accessories 09
5.2 Installation Precautions 09
5.3 Required Space Distance 10
5.4 Grounding Considerations 10
5.5 Preparation 10
5.6 Installation Step 11
6. Troubleshooting 13
6.1 Troubleshooting List 13
6.2 Status LED Indicator 16
6.3 Insulation Resistance Detection 16
6.4 On-site Inspection (for qualified installer only) 17
6.5 Routine Maintenance 17
6.6 Microinverter Replacement 18
7. Decommissioning 19
7.1 Decommissioning 19
7.2 Storage and Transportation 19
7.3 Disposal 19
8. Technical Data 20
8.1 DC Input 20
8.2 AC Output 20
8.3 Efficiency, Safety and Protection 21
8.4 Mechanical Data 21
8.5 Features 21