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©  2019  Hoymiles  Converter  Technology  Co.,  Ltd.  All  rights  reserved.

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HM-600NT/HM-700NT/HM-800NT 

About Microinverter 

This  system  is  composed  of  a  group  of  Microinverters  that  convert  direct  current  (DC)  into  alternating 
current  (AC)  and  feeds  it  into  the  public  grid.  The  system  is  designed  for  the  incorporation  of  one 
Microinverter for two photovoltaic modules. Each Microinverter works independently that guarantees the 
maximum power generation of each photovoltaic module. This setup enables user to control the production 
of a single photovoltaic module directly, consequently improving the flexibility and reliability of the system. 
 

About the Manual 

This manual contains important instructions for the HM-600NT/HM-700NT/HM-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. 

 

Other Information 

Product information is subject to change without notice. User manual will be updated frequently, please 
refer to Hoymiles official website at 

www.hoymiles.com

 for the latest version. 

 

 

Summary of Contents for HM-600NT

Page 1: ...Version 1 2 June 2020 ...

Page 2: ...o control the production of a single photovoltaic module directly consequently improving the flexibility and reliability of the system About the Manual This manual contains important instructions for the HM 600NT HM 700NT HM 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 dem...

Page 3: ... 3 2 Highlights 8 3 3 Terminals Introduction 8 3 4 Dimension mm 8 4 About Function 9 4 1 Work Mode 9 5 About Installation 9 5 1 Accessories 9 5 3 Space Distance Required 10 5 4 Preparation 10 5 5 Pre installation 11 5 6 Installation Steps 12 6 Troubleshooting 15 6 1 Troubleshooting List 15 6 2 Status LED Indicator 18 6 3 On site Inspection For qualified installer only 19 6 4 Routine Maintenance 20...

Page 4: ... HM 800NT 8 1 DC Input 23 8 2 AC Output 23 8 3 Efficiency Safety and Protection 23 8 4 Mechanical Data 23 8 5 Features 24 9 Grid Support Details 24 Appendix 1 27 Installation Map 27 Appendix 2 28 WIRING DIAGRAM 120VAC 240VAC SPLIT PHASE 28 WIRING DIAGRAM 120VAC 208VAC THREE PHASE 29 ...

Page 5: ...Safety Instructions The HM 600NT HM 700NT HM 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 Symbol Usage Indicates a hazardous situation that can result in deadly...

Page 6: ...nt Protection Devices OCPD Ø Only one photo voltaic module can be connected to one input of the inverter Do not connect batteries or other sources of power supply The inverter can be used only if all the technical characteristics are observed and applied Ø Do not install the equipment in adverse environment conditions such as flammable explosive corrosive extreme high or low temperature and humid ...

Page 7: ...nergy However if not installed according to the instructions the microinverter may cause harmful interference to radio equipment There is no guarantee that the interference will not occur in a particular installation To confirm that the radio or television reception is interfered by this equipment you can turn the equipment off and on If this equipment does cause harmful interference to the radio ...

Page 8: ... in 2015 3 2 Highlights Peak output power up to 600W 700W 800W Adapted to 60 72 cells PV panels Peak efficiency 96 70 CEC weighted efficiency 96 50 Static MPPT efficiency 99 80 Dynamic MPPT efficiency 99 76 in overcast weather Power factor adjustable 0 8 leading 0 8 lagging External antenna for stronger communication with DTU High reliability NEMA6 IP67 enclosure 6000V surge protection 3 3 Termina...

Page 9: ...e that Microinverter will stay in Standby mode The current condition is contradicted with Microinverter operating requirement No house loads or the Export control value has been set as 0 on the DTU under the Zero Export Control mode 5 About Installation 5 1 Accessories Item Description A AC Bus Cable 12 10 AWG Cable B DC Extension Cable 1m C M8 25 screws D AC Connector Unlock Tool E Bus Connector ...

Page 10: ...ance Required If the microinverters are installed on a concrete roof or steel roof the communication with the DTU may be slightly affected Under such installation conditions it is better for the microinverters to be installed 50cm above the roof Otherwise more DTUs may be required to ensure the communication quality between the DTUs and the microinverters 5 4 Preparation Installation of the equipm...

Page 11: ...nces may be present Avoid electromagnetic interference that can compromise the correct operation of electronic equipment When choosing the position of installation comply with the following conditions Install only on structures specifically conceived for photovoltaic modules supplied by installation technicians Install Microinverter underneath of the photovoltaic modules to make sure it works in t...

Page 12: ...llation Steps Step 1 Fix Microinverter on the Rail A Mark the approximate center of each panel on the frame B Fix the screw on the rail 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 Hoymile...

Page 13: ...C connector unlock tool and insert the tool into the side of AC port Step 3 Install AC End Cable A Prepare the AC end cable with the proper length and insert one side of the cable into the cap Match the L N and Ground line into the slot accordingly Tighten the screws and then tighten the cap back to the port Plug the upper cover back to the bus connector B Connect the other side of the AC end cabl...

Page 14: ... 14 HM 600NT HM 700NT HM 800NT B Affix the serial number label to the respective location on the installation map Step 5 Connect PV Modules A Mount the PV modules above the microinverter B Connect the PV modules DC cables to the DC input side of the microinverter ...

Page 15: ...dissipation 3 If both the ventilation and ambient temperature meet the requirements contact your dealer or Hoymiles technical support 125 Grid configuration parameter error 1 Check if the grid configuration parameter is correct and upgrade again 2 If the fault still exists contact your dealer or Hoymiles technical support 126 Software error code 126 1 If the alarm occurs accidentally and the micro...

Page 16: ...2 If the alarm occurs frequently check whether the grid voltage is within the acceptable range If no contact the local power operator or change the grid overvoltage protection limit via Hoymiles monitoring system with the consent of the local power operator 143 Grid undervoltage 1 If the alarm occurs accidentally the grid voltage may be abnormal temporarily The microinverter can recover automatica...

Page 17: ...hat the PV module open circuit voltage is less than or equal to the maximum input voltage 2 If the PV module open circuit voltage is within the normal range contact your dealer or Hoymiles technical support 206 Input port2 overvoltage 1 Please make sure that the PV module open circuit voltage is less than or equal to the maximum input voltage 2 If the PV module open circuit voltage is within the n...

Page 18: ...s technical support 305 Hardware Error Code 305 1 If the alarm occurs accidentally and the microinverter can still work normally no special treatment is required 2 If the alarm occurs frequently and cannot be recovered contact your dealer or Hoymiles technical support 306 Hardware Error Code 306 1 If the alarm occurs accidentally and the microinverter can still work normally no special treatment i...

Page 19: ... Inspection For qualified installer only To troubleshoot an inoperable microinverter follow the steps in the order shown 1 Verify the utility voltage and frequency are within ranges shown in the in appendix Technical Data of this microinverter 2 Check the connection to the utility grid Verify utility power is present at the inverter in question by removing AC then DC power Never disconnect the DC ...

Page 20: ... special brushes Do not attempt to dismantle the Microinverter or make any internal repairs In order to preserving the integrity of safety and insulation the Microinverters are not designed to allow internal repairs The AC output wiring harness AC drop cable on the Microinverter cannot be replaced If the cord is damaged the equipment should be scrapped Maintenance operations must be carried out wi...

Page 21: ...tall the replacement unit Ø Go to the monitoring platform if customer already register this station online please access the Device List page and find the device that you just replaced Please click the down arrow next to the More on the right side of the page and select Replace Input the new Microinverter s SN and click Ok to complete the station changes 7 Decommissions 7 1 Decommissions Disconnec...

Page 22: ... 3 Disposal If the equipment is not used immediately or is stored for long periods check that it is correctly packed The equipment must be stored in well ventilated indoor areas that do not have characteristics that might damage the components of the equipment Take a complete inspection when restarting after a long time or prolonged stop Please dispose the equipment properly after scrapping which ...

Page 23: ...ous output power VA 590 696 766 Maximum continuous output current A 2 84 208V 2 50 240V 3 35 208V 2 92 240V 3 68 208V 3 33 240V Nominal output voltage range V 208 183 229 240 211 264 208 183 229 240 211 264 208 183 229 240 211 264 Nominal frequency range Hz 55 65 under 60Hz 220V 230V Power factor 0 99 default 0 8 leading 0 8 lagging Output current harmonic distortion 3 3 3 Maximum 20A branch 5 208...

Page 24: ...irements of local electrical utility Simultaneous use of Fixed Power Factor and Volt Var is not supported l Manufacturer s Stated Accuracy l SA9 Low High Voltage Ride Through L H VRT and Must Trip Settings Dimensions W H D mm 250 170 28 250 170 28 250 170 28 Weight kg 2 6 2 6 2 6 Enclosure rating Outdoor NEMA IP67 Cooling Natural convection No fans Model HM 600NT HM 700NT HM 800NT Communication 2 ...

Page 25: ...ndatory Operation 11 sec 11 21 sec Low Voltage 3 LV3 V 50 1 sec Momentary Cessation 1 5 sec 1 5 2 sec Region System Frequency Default Settings Ride Through Until s Ride Through Operational Mode Trip Time Default s Range of Adjustable Trip Time Default s High Frequency 2 HF2 f 62 No Ride Through N A 0 16 sec 0 16 sec High Frequency 1 HF1 60 5 f 62 299 sec Mandatory Operation 300 sec 0 1 300 sec Nea...

Page 26: ...Reactive power absorption inductive under excited VAr 189 223 245 Reactive power production capacitive overexcited VAr 189 223 245 Units HM 600NT HM 700NT HM 800NT Output power rating W 590 696 766 Manufacturer s stated P f accuracy Prated 5 5 5 Maximum slope of frequency droop Prated Hz 100 100 100 Minimum slope of frequency droop Prated Hz 20 20 20 Units HM 600NT HM 700NT HM 800NT Output power r...

Page 27: ... 2019 Hoymiles Converter Technology Co Ltd All rights reserved 27 HM 600NT HM 700NT HM 800NT Appendix 1 Installation Map ...

Page 28: ...DIAGRAM 120VAC 240VAC SPLIT PHASE UP TO 5 HM 800NTs PER 20A AC BRANCH CIRCUIT GROUND NEUTRAL W AC DISTRIBUTION PANEL OR SUBPANEL METER AC BRANCH CABLE BROWN L BLUE N YELLOW GREEN G BRANCH END CAP L1 PHASE L1 L2 ETHERNET CONNECTION TO BROADBAND ROUTER CONNECTION TO DTU POWER ADAPATER 5V DTU UP TO 49 HM 800NTs L2 ...

Page 29: ...ION PANEL OR SUBPANEL METER AC BRANCH CABLE BROWN L BLUE N YELLOW GREEN G L1 L2 L3 ETHERNET CONNECTION TO BROADBAND ROUTER CONNECTION TO DTU POWER ADAPATER 5V DTU UP TO 49 HM 800NTs UP TO 5 HM 800NTs PER 20A AC BRANCH CIRCUIT PHASE L1 L3 UP TO 5 HM 800NTs PER 20A AC BRANCH CIRCUIT PHASE L1 L2 UP TO 5 HM 800NTs PER 20A AC BRANCH CIRCUIT PHASE L2 L3 BRANCH END CAP ...

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