Hoymiles HMT series three-phase microinverter need to be used with the special three-phase system accessories, including three-phase bus cable, unlock tool, end cap, etc. Please find more information in chapter 4.1. A DTU is required if the user wants to see the information and solar production on Hoymiles Monitoring System. 1.3 Target Group This manual is only for qualified technician, who has been trained or has demonstrated skills can install and maintain this Microinverter under the guide of this document for safety purpose.
• 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. • Liabilities arising from commercial components are delegated to their respective manufacturers.
Hoymiles HMT series HMT-1800/HMT-2250 are compatible with most 60-cell and 72-cell PV modules. For other types of PV modules, please ensure that they are electrically paired with Hoymiles microinverter. Please see the Tech- nical Data page of this user manual to get more information.
1.Check if the grid configuration parameter is correct and upgrade again. Grid configuration 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 normally, no special treatment is required.
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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 support. Abnormal phase Please check that the wiring of each phase is completely correct. This difference between fault is usually caused by the wrong phase.
Verify the PV module DC voltage is within the allowable range shown in appendix Technical Data of this manual. If the problem persists, please call Hoymiles customer support. Do not try to repair the microinverter. If the troubleshooting fails, please return it to the factory for replacement.
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 protect- ing the components (in particular, the electronic components) from violent, shocks, humidity, vibration, etc.
DC current. But the maximum short circuit current must be equal to or less than the maximum input DC short circuit current. The output DC power of PV module is NOT recommended to exceed 1.35 times the output AC power of the microinverter. Refer to “Hoymiles Warranty Terms & Conditions” for more information. 8.1 DC Input...
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