1. Important Notes
1.1 Product Range
This manual describes the assembly, installation, commissioning, maintenance and failure search of the following
model of Hoymiles Three-Phase Microinverter:
· HMT-180 0 - 6T
· HMT-2250-6T
*Note: “1800” means 1800W, “2250” means 2250W.
1.2 Microinverter Accessories
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 nd 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 qualied technician, who has been trained or has demonstrated skills can install and maintain
this Microinverter under the guide of this document for safety purpose.
1.4 Symbols Used
The safety symbols in this user manual are show as below.
Symbol Usage
Indicates a hazardous situation that can result in deadly electric shock hazards, other
serious physical injury, or re hazards.
Indicates directions which must be fully understood and followed in entirety in order
to avoid potential safety hazards including equipment damage or personal injury.
Indicates this points out that the described operation must not be carried out. The
reader should stop, use caution and fully understand the operations explained before
proceeding.
1.5 Radio Interference Statement
This microinverter has been tested and found to comply with the limits for CE EMC, which can provide reasonable pro-
tection against harmful energy. 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 conrm 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 or television equipment, please try to correct the
interference by one or more of the following measures:
1) Relocate the receiving antenna.
2) Increase the separation between the microinverter and the receiving antenna.
3) Place the shield between the microinverter and the receiving antenna, such as metal / concrete roof.
4) Contact your dealer or an experienced radio/TV technician for help.
© 2020 Hoymiles Power Electronics Inc. All rights reserved.
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Three-phase Microinverter HMT-1800/2250 Important Notes
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